Tox: library update

11 files changed, 2592 insertions, 2109 deletions

diff --git a/protocols/Tox/include/tox.h b/protocols/Tox/include/tox.h
index 11633b7b87..ef38789370 100644
--- a/protocols/Tox/include/tox.h
+++ b/protocols/Tox/include/tox.h
@@ -180,7 +180,7 @@ uint32_t tox_version_minor(void);
  * The patch or revision number. Incremented when bugfixes are applied without
  * changing any functionality or API or ABI.
  */
-#define TOX_VERSION_PATCH              8
+#define TOX_VERSION_PATCH              9
 
 uint32_t tox_version_patch(void);
 
diff --git a/protocols/Tox/include/vpx/svc_context.h b/protocols/Tox/include/vpx/svc_context.h
deleted file mode 100644
index f4933f8d6e..0000000000
--- a/protocols/Tox/include/vpx/svc_context.h
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-/**
- * SvcContext - input parameters and state to encode a multi-layered
- * spatial SVC frame
- */
-
-#ifndef VPX_SVC_CONTEXT_H_
-#define VPX_SVC_CONTEXT_H_
-
-#include "vpx/vp8cx.h"
-#include "vpx/vpx_encoder.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef enum SVC_ENCODING_MODE {
-  INTER_LAYER_PREDICTION_I,
-  ALT_INTER_LAYER_PREDICTION_IP,
-  INTER_LAYER_PREDICTION_IP,
-  USE_GOLDEN_FRAME
-} SVC_ENCODING_MODE;
-
-typedef enum SVC_LOG_LEVEL {
-  SVC_LOG_ERROR,
-  SVC_LOG_INFO,
-  SVC_LOG_DEBUG
-} SVC_LOG_LEVEL;
-
-typedef struct {
-  // public interface to svc_command options
-  int spatial_layers;               // number of layers
-  int first_frame_full_size;        // set to one to force first frame full size
-  SVC_ENCODING_MODE encoding_mode;  // svc encoding strategy
-  SVC_LOG_LEVEL log_level;  // amount of information to display
-  int log_print;  // when set, printf log messages instead of returning the
-                  // message with svc_get_message
-
-  // private storage for vpx_svc_encode
-  void *internal;
-} SvcContext;
-
-/**
- * Set SVC options
- * options are supplied as a single string separated by spaces
- * Format: encoding-mode=<i|ip|alt-ip|gf>
- *         layers=<layer_count>
- *         scaling-factors=<n1>/<d1>,<n2>/<d2>,...
- *         quantizers=<q1>,<q2>,...
- */
-vpx_codec_err_t vpx_svc_set_options(SvcContext *svc_ctx, const char *options);
-
-/**
- * Set SVC quantizer values
- * values comma separated, ordered from lowest resolution to highest
- * e.g., "60,53,39,33,27"
- */
-vpx_codec_err_t vpx_svc_set_quantizers(SvcContext *svc_ctx,
-                                       const char *quantizer_values);
-
-/**
- * Set SVC scale factors
- * values comma separated, ordered from lowest resolution to highest
- * e.g.,  "4/16,5/16,7/16,11/16,16/16"
- */
-vpx_codec_err_t vpx_svc_set_scale_factors(SvcContext *svc_ctx,
-                                          const char *scale_factors);
-
-/**
- * initialize SVC encoding
- */
-vpx_codec_err_t vpx_svc_init(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
-                             vpx_codec_iface_t *iface,
-                             vpx_codec_enc_cfg_t *cfg);
-/**
- * encode a frame of video with multiple layers
- */
-vpx_codec_err_t vpx_svc_encode(SvcContext *svc_ctx, vpx_codec_ctx_t *codec_ctx,
-                               struct vpx_image *rawimg, vpx_codec_pts_t pts,
-                               int64_t duration, int deadline);
-
-/**
- * finished with svc encoding, release allocated resources
- */
-void vpx_svc_release(SvcContext *svc_ctx);
-
-/**
- * dump accumulated statistics and reset accumulated values
- */
-const char *vpx_svc_dump_statistics(SvcContext *svc_ctx);
-
-/**
- *  get status message from previous encode
- */
-const char *vpx_svc_get_message(const SvcContext *svc_ctx);
-
-/**
- * return size of encoded data to be returned by vpx_svc_get_buffer
- */
-size_t vpx_svc_get_frame_size(const SvcContext *svc_ctx);
-
-/**
- * return buffer with encoded data
- */
-void *vpx_svc_get_buffer(const SvcContext *svc_ctx);
-
-/**
- * return spatial resolution of the specified layer
- */
-vpx_codec_err_t vpx_svc_get_layer_resolution(const SvcContext *svc_ctx,
-                                             int layer,
-                                             unsigned int *width,
-                                             unsigned int *height);
-/**
- * return number of frames that have been encoded
- */
-int vpx_svc_get_encode_frame_count(const SvcContext *svc_ctx);
-
-/**
- * return 1 if last encoded frame was a keyframe
- */
-int vpx_svc_is_keyframe(const SvcContext *svc_ctx);
-
-/**
- * force the next frame to be a keyframe
- */
-void vpx_svc_set_keyframe(SvcContext *svc_ctx);
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  /* VPX_SVC_CONTEXT_H_ */
diff --git a/protocols/Tox/include/vpx/vp8.h b/protocols/Tox/include/vpx/vp8.h
index 056fa7aed7..059c9d0f65 100644
--- a/protocols/Tox/include/vpx/vp8.h
+++ b/protocols/Tox/include/vpx/vp8.h
@@ -27,8 +27,8 @@
 /*!\file
  * \brief Provides controls common to both the VP8 encoder and decoder.
  */
-#ifndef VP8_H
-#define VP8_H
+#ifndef VPX_VP8_H_
+#define VPX_VP8_H_
 
 #include "./vpx_codec.h"
 #include "./vpx_image.h"
@@ -42,21 +42,23 @@ extern "C" {
  * The set of macros define the control functions of VP8 interface
  */
 enum vp8_com_control_id {
-  VP8_SET_REFERENCE           = 1,    /**< pass in an external frame into decoder to be used as reference frame */
-  VP8_COPY_REFERENCE          = 2,    /**< get a copy of reference frame from the decoder */
-  VP8_SET_POSTPROC            = 3,    /**< set the decoder's post processing settings  */
-  VP8_SET_DBG_COLOR_REF_FRAME = 4,    /**< set the reference frames to color for each macroblock */
-  VP8_SET_DBG_COLOR_MB_MODES  = 5,    /**< set which macro block modes to color */
-  VP8_SET_DBG_COLOR_B_MODES   = 6,    /**< set which blocks modes to color */
-  VP8_SET_DBG_DISPLAY_MV      = 7,    /**< set which motion vector modes to draw */
+  /*!\brief pass in an external frame into decoder to be used as reference frame
+   */
+  VP8_SET_REFERENCE = 1,
+  VP8_COPY_REFERENCE = 2, /**< get a copy of reference frame from the decoder */
+  VP8_SET_POSTPROC = 3,   /**< set the decoder's post processing settings  */
+  VP8_SET_DBG_COLOR_REF_FRAME = 4, /**< \deprecated */
+  VP8_SET_DBG_COLOR_MB_MODES = 5,  /**< \deprecated */
+  VP8_SET_DBG_COLOR_B_MODES = 6,   /**< \deprecated */
+  VP8_SET_DBG_DISPLAY_MV = 7,      /**< \deprecated */
 
   /* TODO(jkoleszar): The encoder incorrectly reuses some of these values (5+)
    * for its control ids. These should be migrated to something like the
    * VP8_DECODER_CTRL_ID_START range next time we're ready to break the ABI.
    */
-  VP9_GET_REFERENCE           = 128,  /**< get a pointer to a reference frame */
+  VP9_GET_REFERENCE = 128, /**< get a pointer to a reference frame */
   VP8_COMMON_CTRL_ID_MAX,
-  VP8_DECODER_CTRL_ID_START   = 256
+  VP8_DECODER_CTRL_ID_START = 256
 };
 
 /*!\brief post process flags
@@ -64,15 +66,16 @@ enum vp8_com_control_id {
  * The set of macros define VP8 decoder post processing flags
  */
 enum vp8_postproc_level {
-  VP8_NOFILTERING             = 0,
-  VP8_DEBLOCK                 = 1 << 0,
-  VP8_DEMACROBLOCK            = 1 << 1,
-  VP8_ADDNOISE                = 1 << 2,
-  VP8_DEBUG_TXT_FRAME_INFO    = 1 << 3, /**< print frame information */
-  VP8_DEBUG_TXT_MBLK_MODES    = 1 << 4, /**< print macro block modes over each macro block */
-  VP8_DEBUG_TXT_DC_DIFF       = 1 << 5, /**< print dc diff for each macro block */
-  VP8_DEBUG_TXT_RATE_INFO     = 1 << 6, /**< print video rate info (encoder only) */
-  VP8_MFQE                    = 1 << 10
+  VP8_NOFILTERING = 0,
+  VP8_DEBLOCK = 1 << 0,
+  VP8_DEMACROBLOCK = 1 << 1,
+  VP8_ADDNOISE = 1 << 2,
+  VP8_DEBUG_TXT_FRAME_INFO = 1 << 3, /**< print frame information */
+  VP8_DEBUG_TXT_MBLK_MODES =
+      1 << 4, /**< print macro block modes over each macro block */
+  VP8_DEBUG_TXT_DC_DIFF = 1 << 5,   /**< print dc diff for each macro block */
+  VP8_DEBUG_TXT_RATE_INFO = 1 << 6, /**< print video rate info (encoder only) */
+  VP8_MFQE = 1 << 10
 };
 
 /*!\brief post process flags
@@ -83,9 +86,11 @@ enum vp8_postproc_level {
  */
 
 typedef struct vp8_postproc_cfg {
-  int post_proc_flag;         /**< the types of post processing to be done, should be combination of "vp8_postproc_level" */
-  int deblocking_level;       /**< the strength of deblocking, valid range [0, 16] */
-  int noise_level;            /**< the strength of additive noise, valid range [0, 16] */
+  /*!\brief the types of post processing to be done, should be combination of
+   * "vp8_postproc_level" */
+  int post_proc_flag;
+  int deblocking_level; /**< the strength of deblocking, valid range [0, 16] */
+  int noise_level; /**< the strength of additive noise, valid range [0, 16] */
 } vp8_postproc_cfg_t;
 
 /*!\brief reference frame type
@@ -103,8 +108,8 @@ typedef enum vpx_ref_frame_type {
  * Define the data struct to access vp8 reference frames.
  */
 typedef struct vpx_ref_frame {
-  vpx_ref_frame_type_t  frame_type;   /**< which reference frame */
-  vpx_image_t           img;          /**< reference frame data in image format */
+  vpx_ref_frame_type_t frame_type; /**< which reference frame */
+  vpx_image_t img;                 /**< reference frame data in image format */
 } vpx_ref_frame_t;
 
 /*!\brief VP9 specific reference frame data struct
@@ -112,27 +117,37 @@ typedef struct vpx_ref_frame {
  * Define the data struct to access vp9 reference frames.
  */
 typedef struct vp9_ref_frame {
-  int idx; /**< frame index to get (input) */
-  vpx_image_t  img; /**< img structure to populate (output) */
+  int idx;         /**< frame index to get (input) */
+  vpx_image_t img; /**< img structure to populate (output) */
 } vp9_ref_frame_t;
 
+/*!\cond */
 /*!\brief vp8 decoder control function parameter type
  *
  * defines the data type for each of VP8 decoder control function requires
  */
-VPX_CTRL_USE_TYPE(VP8_SET_REFERENCE,           vpx_ref_frame_t *)
-VPX_CTRL_USE_TYPE(VP8_COPY_REFERENCE,          vpx_ref_frame_t *)
-VPX_CTRL_USE_TYPE(VP8_SET_POSTPROC,            vp8_postproc_cfg_t *)
-VPX_CTRL_USE_TYPE(VP8_SET_DBG_COLOR_REF_FRAME, int)
-VPX_CTRL_USE_TYPE(VP8_SET_DBG_COLOR_MB_MODES,  int)
-VPX_CTRL_USE_TYPE(VP8_SET_DBG_COLOR_B_MODES,   int)
-VPX_CTRL_USE_TYPE(VP8_SET_DBG_DISPLAY_MV,      int)
-VPX_CTRL_USE_TYPE(VP9_GET_REFERENCE,           vp9_ref_frame_t *)
+VPX_CTRL_USE_TYPE(VP8_SET_REFERENCE, vpx_ref_frame_t *)
+#define VPX_CTRL_VP8_SET_REFERENCE
+VPX_CTRL_USE_TYPE(VP8_COPY_REFERENCE, vpx_ref_frame_t *)
+#define VPX_CTRL_VP8_COPY_REFERENCE
+VPX_CTRL_USE_TYPE(VP8_SET_POSTPROC, vp8_postproc_cfg_t *)
+#define VPX_CTRL_VP8_SET_POSTPROC
+VPX_CTRL_USE_TYPE_DEPRECATED(VP8_SET_DBG_COLOR_REF_FRAME, int)
+#define VPX_CTRL_VP8_SET_DBG_COLOR_REF_FRAME
+VPX_CTRL_USE_TYPE_DEPRECATED(VP8_SET_DBG_COLOR_MB_MODES, int)
+#define VPX_CTRL_VP8_SET_DBG_COLOR_MB_MODES
+VPX_CTRL_USE_TYPE_DEPRECATED(VP8_SET_DBG_COLOR_B_MODES, int)
+#define VPX_CTRL_VP8_SET_DBG_COLOR_B_MODES
+VPX_CTRL_USE_TYPE_DEPRECATED(VP8_SET_DBG_DISPLAY_MV, int)
+#define VPX_CTRL_VP8_SET_DBG_DISPLAY_MV
+VPX_CTRL_USE_TYPE(VP9_GET_REFERENCE, vp9_ref_frame_t *)
+#define VPX_CTRL_VP9_GET_REFERENCE
 
+/*!\endcond */
 /*! @} - end defgroup vp8 */
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
-#endif
+#endif  // VPX_VP8_H_
diff --git a/protocols/Tox/include/vpx/vp8cx.h b/protocols/Tox/include/vpx/vp8cx.h
index c0424f1466..cc90159bc3 100644
--- a/protocols/Tox/include/vpx/vp8cx.h
+++ b/protocols/Tox/include/vpx/vp8cx.h
@@ -7,18 +7,19 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#ifndef VP8CX_H
-#define VP8CX_H
+#ifndef VPX_VP8CX_H_
+#define VPX_VP8CX_H_
 
-/*!\defgroup vp8_encoder WebM VP8 Encoder
+/*!\defgroup vp8_encoder WebM VP8/VP9 Encoder
  * \ingroup vp8
  *
  * @{
  */
-#include "vp8.h"
+#include "./vp8.h"
+#include "./vpx_encoder.h"
 
 /*!\file
- * \brief Provides definitions for using the VP8 encoder algorithm within the
+ * \brief Provides definitions for using VP8 or VP9 encoder algorithm within the
  *        vpx Codec Interface.
  */
 
@@ -28,22 +29,22 @@ extern "C" {
 
 /*!\name Algorithm interface for VP8
  *
- * This interface provides the capability to encode raw VP8 streams, as would
- * be found in AVI files.
+ * This interface provides the capability to encode raw VP8 streams.
  * @{
  */
-extern vpx_codec_iface_t  vpx_codec_vp8_cx_algo;
+extern vpx_codec_iface_t vpx_codec_vp8_cx_algo;
 extern vpx_codec_iface_t *vpx_codec_vp8_cx(void);
+/*!@} - end algorithm interface member group*/
 
-/* TODO(jkoleszar): These move to VP9 in a later patch set. */
-extern vpx_codec_iface_t  vpx_codec_vp9_cx_algo;
+/*!\name Algorithm interface for VP9
+ *
+ * This interface provides the capability to encode raw VP9 streams.
+ * @{
+ */
+extern vpx_codec_iface_t vpx_codec_vp9_cx_algo;
 extern vpx_codec_iface_t *vpx_codec_vp9_cx(void);
-extern vpx_codec_iface_t  vpx_codec_vp9x_cx_algo;
-extern vpx_codec_iface_t *vpx_codec_vp9x_cx(void);
-
 /*!@} - end algorithm interface member group*/
 
-
 /*
  * Algorithm Flags
  */
@@ -54,8 +55,7 @@ extern vpx_codec_iface_t *vpx_codec_vp9x_cx(void);
  * predictor. When not set, the encoder will choose whether to use the
  * last frame or not automatically.
  */
-#define VP8_EFLAG_NO_REF_LAST      (1<<16)
-
+#define VP8_EFLAG_NO_REF_LAST (1 << 16)
 
 /*!\brief Don't reference the golden frame
  *
@@ -63,8 +63,7 @@ extern vpx_codec_iface_t *vpx_codec_vp9x_cx(void);
  * predictor. When not set, the encoder will choose whether to use the
  * golden frame or not automatically.
  */
-#define VP8_EFLAG_NO_REF_GF        (1<<17)
-
+#define VP8_EFLAG_NO_REF_GF (1 << 17)
 
 /*!\brief Don't reference the alternate reference frame
  *
@@ -72,108 +71,171 @@ extern vpx_codec_iface_t *vpx_codec_vp9x_cx(void);
  * predictor. When not set, the encoder will choose whether to use the
  * alt ref frame or not automatically.
  */
-#define VP8_EFLAG_NO_REF_ARF       (1<<21)
-
+#define VP8_EFLAG_NO_REF_ARF (1 << 21)
 
 /*!\brief Don't update the last frame
  *
  * When this flag is set, the encoder will not update the last frame with
  * the contents of the current frame.
  */
-#define VP8_EFLAG_NO_UPD_LAST      (1<<18)
-
+#define VP8_EFLAG_NO_UPD_LAST (1 << 18)
 
 /*!\brief Don't update the golden frame
  *
  * When this flag is set, the encoder will not update the golden frame with
  * the contents of the current frame.
  */
-#define VP8_EFLAG_NO_UPD_GF        (1<<22)
-
+#define VP8_EFLAG_NO_UPD_GF (1 << 22)
 
 /*!\brief Don't update the alternate reference frame
  *
  * When this flag is set, the encoder will not update the alt ref frame with
  * the contents of the current frame.
  */
-#define VP8_EFLAG_NO_UPD_ARF       (1<<23)
-
+#define VP8_EFLAG_NO_UPD_ARF (1 << 23)
 
 /*!\brief Force golden frame update
  *
  * When this flag is set, the encoder copy the contents of the current frame
  * to the golden frame buffer.
  */
-#define VP8_EFLAG_FORCE_GF         (1<<19)
-
+#define VP8_EFLAG_FORCE_GF (1 << 19)
 
 /*!\brief Force alternate reference frame update
  *
  * When this flag is set, the encoder copy the contents of the current frame
  * to the alternate reference frame buffer.
  */
-#define VP8_EFLAG_FORCE_ARF        (1<<24)
-
+#define VP8_EFLAG_FORCE_ARF (1 << 24)
 
 /*!\brief Disable entropy update
  *
  * When this flag is set, the encoder will not update its internal entropy
  * model based on the entropy of this frame.
  */
-#define VP8_EFLAG_NO_UPD_ENTROPY   (1<<20)
-
+#define VP8_EFLAG_NO_UPD_ENTROPY (1 << 20)
 
-/*!\brief VP8 encoder control functions
+/*!\brief VPx encoder control functions
  *
- * This set of macros define the control functions available for the VP8
+ * This set of macros define the control functions available for VPx
  * encoder interface.
  *
  * \sa #vpx_codec_control
  */
 enum vp8e_enc_control_id {
-  VP8E_UPD_ENTROPY           = 5,  /**< control function to set mode of entropy update in encoder */
-  VP8E_UPD_REFERENCE,              /**< control function to set reference update mode in encoder */
-  VP8E_USE_REFERENCE,              /**< control function to set which reference frame encoder can use */
-  VP8E_SET_ROI_MAP,                /**< control function to pass an ROI map to encoder */
-  VP8E_SET_ACTIVEMAP,              /**< control function to pass an Active map to encoder */
-  VP8E_SET_SCALEMODE         = 11, /**< control function to set encoder scaling mode */
-  /*!\brief control function to set vp8 encoder cpuused
+  /*!\brief Codec control function to pass an ROI map to encoder.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_ROI_MAP = 8,
+
+  /*!\brief Codec control function to pass an Active map to encoder.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_ACTIVEMAP,
+
+  /*!\brief Codec control function to set encoder scaling mode.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_SCALEMODE = 11,
+
+  /*!\brief Codec control function to set encoder internal speed settings.
    *
    * Changes in this value influences, among others, the encoder's selection
    * of motion estimation methods. Values greater than 0 will increase encoder
    * speed at the expense of quality.
-   * The full set of adjustments can be found in
-   * onyx_if.c:vp8_set_speed_features().
-   * \todo List highlights of the changes at various levels.
-   *
-   * \note Valid range: -16..16
-   */
-  VP8E_SET_CPUUSED           = 13,
-  VP8E_SET_ENABLEAUTOALTREF,       /**< control function to enable vp8 to automatic set and use altref frame */
-  VP8E_SET_NOISE_SENSITIVITY,      /**< control function to set noise sensitivity */
-  VP8E_SET_SHARPNESS,              /**< control function to set sharpness */
-  VP8E_SET_STATIC_THRESHOLD,       /**< control function to set the threshold for macroblocks treated static */
-  VP8E_SET_TOKEN_PARTITIONS,       /**< control function to set the number of token partitions  */
-  VP8E_GET_LAST_QUANTIZER,         /**< return the quantizer chosen by the
-                                          encoder for the last frame using the internal
-                                          scale */
-  VP8E_GET_LAST_QUANTIZER_64,      /**< return the quantizer chosen by the
-                                          encoder for the last frame, using the 0..63
-                                          scale as used by the rc_*_quantizer config
-                                          parameters */
-  VP8E_SET_ARNR_MAXFRAMES,         /**< control function to set the max number of frames blurred creating arf*/
-  VP8E_SET_ARNR_STRENGTH,         /**< control function to set the filter strength for the arf */
-  VP8E_SET_ARNR_TYPE,         /**< control function to set the type of filter to use for the arf*/
-  VP8E_SET_TUNING,                 /**< control function to set visual tuning */
-  /*!\brief control function to set constrained quality level
+   *
+   * \note Valid range for VP8: -16..16
+   * \note Valid range for VP9: -8..8
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_CPUUSED = 13,
+
+  /*!\brief Codec control function to enable automatic set and use alf frames.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_ENABLEAUTOALTREF,
+
+  /*!\brief control function to set noise sensitivity
+   *
+   * 0: off, 1: OnYOnly, 2: OnYUV,
+   * 3: OnYUVAggressive, 4: Adaptive
+   *
+   * Supported in codecs: VP8
+   */
+  VP8E_SET_NOISE_SENSITIVITY,
+
+  /*!\brief Codec control function to set sharpness.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_SHARPNESS,
+
+  /*!\brief Codec control function to set the threshold for MBs treated static.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_STATIC_THRESHOLD,
+
+  /*!\brief Codec control function to set the number of token partitions.
+   *
+   * Supported in codecs: VP8
+   */
+  VP8E_SET_TOKEN_PARTITIONS,
+
+  /*!\brief Codec control function to get last quantizer chosen by the encoder.
+   *
+   * Return value uses internal quantizer scale defined by the codec.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_GET_LAST_QUANTIZER,
+
+  /*!\brief Codec control function to get last quantizer chosen by the encoder.
+   *
+   * Return value uses the 0..63 scale as used by the rc_*_quantizer config
+   * parameters.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_GET_LAST_QUANTIZER_64,
+
+  /*!\brief Codec control function to set the max no of frames to create arf.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_ARNR_MAXFRAMES,
+
+  /*!\brief Codec control function to set the filter strength for the arf.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_ARNR_STRENGTH,
+
+  /*!\deprecated control function to set the filter type to use for the arf. */
+  VP8E_SET_ARNR_TYPE,
+
+  /*!\brief Codec control function to set visual tuning.
+   *
+   * Supported in codecs: VP8, VP9
+   */
+  VP8E_SET_TUNING,
+
+  /*!\brief Codec control function to set constrained quality level.
    *
    * \attention For this value to be used vpx_codec_enc_cfg_t::g_usage must be
    *            set to #VPX_CQ.
    * \note Valid range: 0..63
+   *
+   * Supported in codecs: VP8, VP9
    */
   VP8E_SET_CQ_LEVEL,
 
-  /*!\brief Max data rate for Intra frames
+  /*!\brief Codec control function to set Max data rate for Intra frames.
    *
    * This value controls additional clamping on the maximum size of a
    * keyframe. It is expressed as a percentage of the average
@@ -184,19 +246,337 @@ enum vp8e_enc_control_id {
    * For example, to allocate no more than 4.5 frames worth of bitrate
    * to a keyframe, set this to 450.
    *
+   * Supported in codecs: VP8, VP9
    */
   VP8E_SET_MAX_INTRA_BITRATE_PCT,
 
+  /*!\brief Codec control function to set reference and update frame flags.
+   *
+   *  Supported in codecs: VP8
+   */
+  VP8E_SET_FRAME_FLAGS,
+
+  /*!\brief Codec control function to set max data rate for Inter frames.
+   *
+   * This value controls additional clamping on the maximum size of an
+   * inter frame. It is expressed as a percentage of the average
+   * per-frame bitrate, with the special (and default) value 0 meaning
+   * unlimited, or no additional clamping beyond the codec's built-in
+   * algorithm.
+   *
+   * For example, to allow no more than 4.5 frames worth of bitrate
+   * to an inter frame, set this to 450.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_MAX_INTER_BITRATE_PCT,
+
+  /*!\brief Boost percentage for Golden Frame in CBR mode.
+   *
+   * This value controls the amount of boost given to Golden Frame in
+   * CBR mode. It is expressed as a percentage of the average
+   * per-frame bitrate, with the special (and default) value 0 meaning
+   * the feature is off, i.e., no golden frame boost in CBR mode and
+   * average bitrate target is used.
+   *
+   * For example, to allow 100% more bits, i.e, 2X, in a golden frame
+   * than average frame, set this to 100.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_GF_CBR_BOOST_PCT,
+
+  /*!\brief Codec control function to set the temporal layer id.
+   *
+   * For temporal scalability: this control allows the application to set the
+   * layer id for each frame to be encoded. Note that this control must be set
+   * for every frame prior to encoding. The usage of this control function
+   * supersedes the internal temporal pattern counter, which is now deprecated.
+   *
+   * Supported in codecs: VP8
+   */
+  VP8E_SET_TEMPORAL_LAYER_ID,
 
-  /* TODO(jkoleszar): Move to vp9cx.h */
+  /*!\brief Codec control function to set encoder screen content mode.
+   *
+   * 0: off, 1: On, 2: On with more aggressive rate control.
+   *
+   * Supported in codecs: VP8
+   */
+  VP8E_SET_SCREEN_CONTENT_MODE,
+
+  /*!\brief Codec control function to set lossless encoding mode.
+   *
+   * VP9 can operate in lossless encoding mode, in which the bitstream
+   * produced will be able to decode and reconstruct a perfect copy of
+   * input source. This control function provides a mean to switch encoder
+   * into lossless coding mode(1) or normal coding mode(0) that may be lossy.
+   *                          0 = lossy coding mode
+   *                          1 = lossless coding mode
+   *
+   *  By default, encoder operates in normal coding mode (maybe lossy).
+   *
+   * Supported in codecs: VP9
+   */
   VP9E_SET_LOSSLESS,
+
+  /*!\brief Codec control function to set number of tile columns.
+   *
+   * In encoding and decoding, VP9 allows an input image frame be partitioned
+   * into separated vertical tile columns, which can be encoded or decoded
+   * independently. This enables easy implementation of parallel encoding and
+   * decoding. This control requests the encoder to use column tiles in
+   * encoding an input frame, with number of tile columns (in Log2 unit) as
+   * the parameter:
+   *             0 = 1 tile column
+   *             1 = 2 tile columns
+   *             2 = 4 tile columns
+   *             .....
+   *             n = 2**n tile columns
+   * The requested tile columns will be capped by encoder based on image size
+   * limitation (The minimum width of a tile column is 256 pixel, the maximum
+   * is 4096).
+   *
+   * By default, the value is 0, i.e. one single column tile for entire image.
+   *
+   * Supported in codecs: VP9
+   */
   VP9E_SET_TILE_COLUMNS,
+
+  /*!\brief Codec control function to set number of tile rows.
+   *
+   * In encoding and decoding, VP9 allows an input image frame be partitioned
+   * into separated horizontal tile rows. Tile rows are encoded or decoded
+   * sequentially. Even though encoding/decoding of later tile rows depends on
+   * earlier ones, this allows the encoder to output data packets for tile rows
+   * prior to completely processing all tile rows in a frame, thereby reducing
+   * the latency in processing between input and output. The parameter
+   * for this control describes the number of tile rows, which has a valid
+   * range [0, 2]:
+   *            0 = 1 tile row
+   *            1 = 2 tile rows
+   *            2 = 4 tile rows
+   *
+   * By default, the value is 0, i.e. one single row tile for entire image.
+   *
+   * Supported in codecs: VP9
+   */
   VP9E_SET_TILE_ROWS,
+
+  /*!\brief Codec control function to enable frame parallel decoding feature.
+   *
+   * VP9 has a bitstream feature to reduce decoding dependency between frames
+   * by turning off backward update of probability context used in encoding
+   * and decoding. This allows staged parallel processing of more than one
+   * video frames in the decoder. This control function provides a mean to
+   * turn this feature on or off for bitstreams produced by encoder.
+   *
+   * By default, this feature is off.
+   *
+   * Supported in codecs: VP9
+   */
   VP9E_SET_FRAME_PARALLEL_DECODING,
+
+  /*!\brief Codec control function to set adaptive quantization mode.
+   *
+   * VP9 has a segment based feature that allows encoder to adaptively change
+   * quantization parameter for each segment within a frame to improve the
+   * subjective quality. This control makes encoder operate in one of the
+   * several AQ_modes supported.
+   *
+   * By default, encoder operates with AQ_Mode 0(adaptive quantization off).
+   *
+   * Supported in codecs: VP9
+   */
   VP9E_SET_AQ_MODE,
 
+  /*!\brief Codec control function to enable/disable periodic Q boost.
+   *
+   * One VP9 encoder speed feature is to enable quality boost by lowering
+   * frame level Q periodically. This control function provides a mean to
+   * turn on/off this feature.
+   *               0 = off
+   *               1 = on
+   *
+   * By default, the encoder is allowed to use this feature for appropriate
+   * encoding modes.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_FRAME_PERIODIC_BOOST,
+
+  /*!\brief Codec control function to set noise sensitivity.
+   *
+   *  0: off, 1: On(YOnly)
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_NOISE_SENSITIVITY,
+
+  /*!\brief Codec control function to turn on/off SVC in encoder.
+   * \note Return value is VPX_CODEC_INVALID_PARAM if the encoder does not
+   *       support SVC in its current encoding mode
+   *  0: off, 1: on
+   *
+   * Supported in codecs: VP9
+   */
   VP9E_SET_SVC,
-  VP9E_SET_SVC_PARAMETERS
+
+  /*!\brief Codec control function to set parameters for SVC.
+   * \note Parameters contain min_q, max_q, scaling factor for each of the
+   *       SVC layers.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_SVC_PARAMETERS,
+
+  /*!\brief Codec control function to set svc layer for spatial and temporal.
+   * \note Valid ranges: 0..#vpx_codec_enc_cfg::ss_number_layers for spatial
+   *                     layer and 0..#vpx_codec_enc_cfg::ts_number_layers for
+   *                     temporal layer.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_SVC_LAYER_ID,
+
+  /*!\brief Codec control function to set content type.
+   * \note Valid parameter range:
+   *              VP9E_CONTENT_DEFAULT = Regular video content (Default)
+   *              VP9E_CONTENT_SCREEN  = Screen capture content
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_TUNE_CONTENT,
+
+  /*!\brief Codec control function to get svc layer ID.
+   * \note The layer ID returned is for the data packet from the registered
+   *       callback function.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_GET_SVC_LAYER_ID,
+
+  /*!\brief Codec control function to register callback to get per layer packet.
+   * \note Parameter for this control function is a structure with a callback
+   *       function and a pointer to private data used by the callback.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_REGISTER_CX_CALLBACK,
+
+  /*!\brief Codec control function to set color space info.
+   * \note Valid ranges: 0..7, default is "UNKNOWN".
+   *                     0 = UNKNOWN,
+   *                     1 = BT_601
+   *                     2 = BT_709
+   *                     3 = SMPTE_170
+   *                     4 = SMPTE_240
+   *                     5 = BT_2020
+   *                     6 = RESERVED
+   *                     7 = SRGB
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_COLOR_SPACE,
+
+  /*!\brief Codec control function to set temporal layering mode.
+   * \note Valid ranges: 0..3, default is "0"
+   * (VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING).
+   *                     0 = VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING
+   *                     1 = VP9E_TEMPORAL_LAYERING_MODE_BYPASS
+   *                     2 = VP9E_TEMPORAL_LAYERING_MODE_0101
+   *                     3 = VP9E_TEMPORAL_LAYERING_MODE_0212
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_TEMPORAL_LAYERING_MODE,
+
+  /*!\brief Codec control function to set minimum interval between GF/ARF frames
+   *
+   * By default the value is set as 4.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_MIN_GF_INTERVAL,
+
+  /*!\brief Codec control function to set minimum interval between GF/ARF frames
+   *
+   * By default the value is set as 16.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_MAX_GF_INTERVAL,
+
+  /*!\brief Codec control function to get an Active map back from the encoder.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_GET_ACTIVEMAP,
+
+  /*!\brief Codec control function to set color range bit.
+   * \note Valid ranges: 0..1, default is 0
+   *                     0 = Limited range (16..235 or HBD equivalent)
+   *                     1 = Full range (0..255 or HBD equivalent)
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_COLOR_RANGE,
+
+  /*!\brief Codec control function to set the frame flags and buffer indices
+   * for spatial layers. The frame flags and buffer indices are set using the
+   * struct #vpx_svc_ref_frame_config defined below.
+   *
+   * Supported in codecs: VP9
+  */
+  VP9E_SET_SVC_REF_FRAME_CONFIG,
+
+  /*!\brief Codec control function to set intended rendering image size.
+   *
+   * By default, this is identical to the image size in pixels.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_RENDER_SIZE,
+
+  /*!\brief Codec control function to set target level.
+   *
+   * 255: off (default); 0: only keep level stats; 10: target for level 1.0;
+   * 11: target for level 1.1; ... 62: target for level 6.2
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_TARGET_LEVEL,
+
+  /*!\brief Codec control function to get bitstream level.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_GET_LEVEL,
+
+  /*!\brief Codec control function to enable/disable special mode for altref
+   *        adaptive quantization. You can use it with --aq-mode concurrently.
+   *
+   * Enable special adaptive quantization for altref frames based on their
+   * expected prediction quality for the future frames.
+   *
+   * Supported in codecs: VP9
+   */
+  VP9E_SET_ALT_REF_AQ,
+
+  /*!\brief Boost percentage for Golden Frame in CBR mode.
+    *
+    * This value controls the amount of boost given to Golden Frame in
+    * CBR mode. It is expressed as a percentage of the average
+    * per-frame bitrate, with the special (and default) value 0 meaning
+    * the feature is off, i.e., no golden frame boost in CBR mode and
+    * average bitrate target is used.
+    *
+    * For example, to allow 100% more bits, i.e, 2X, in a golden frame
+    * than average frame, set this to 100.
+    *
+    * Supported in codecs: VP8
+    */
+  VP8E_SET_GF_CBR_BOOST_PCT,
 };
 
 /*!\brief vpx 1-D scaling mode
@@ -204,12 +584,38 @@ enum vp8e_enc_control_id {
  * This set of constants define 1-D vpx scaling modes
  */
 typedef enum vpx_scaling_mode_1d {
-  VP8E_NORMAL      = 0,
-  VP8E_FOURFIVE    = 1,
-  VP8E_THREEFIVE   = 2,
-  VP8E_ONETWO      = 3
+  VP8E_NORMAL = 0,
+  VP8E_FOURFIVE = 1,
+  VP8E_THREEFIVE = 2,
+  VP8E_ONETWO = 3
 } VPX_SCALING_MODE;
 
+/*!\brief Temporal layering mode enum for VP9 SVC.
+ *
+ * This set of macros define the different temporal layering modes.
+ * Supported codecs: VP9 (in SVC mode)
+ *
+ */
+typedef enum vp9e_temporal_layering_mode {
+  /*!\brief No temporal layering.
+   * Used when only spatial layering is used.
+   */
+  VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING = 0,
+
+  /*!\brief Bypass mode.
+   * Used when application needs to control temporal layering.
+   * This will only work when the number of spatial layers equals 1.
+   */
+  VP9E_TEMPORAL_LAYERING_MODE_BYPASS = 1,
+
+  /*!\brief 0-1-0-1... temporal layering scheme with two temporal layers.
+   */
+  VP9E_TEMPORAL_LAYERING_MODE_0101 = 2,
+
+  /*!\brief 0-2-1-2... temporal layering scheme with three temporal layers.
+   */
+  VP9E_TEMPORAL_LAYERING_MODE_0212 = 3
+} VP9E_TEMPORAL_LAYERING_MODE;
 
 /*!\brief  vpx region of interest map
  *
@@ -220,13 +626,13 @@ typedef enum vpx_scaling_mode_1d {
 typedef struct vpx_roi_map {
   /*! An id between 0 and 3 for each 16x16 region within a frame. */
   unsigned char *roi_map;
-  unsigned int rows;       /**< Number of rows. */
-  unsigned int cols;       /**< Number of columns. */
+  unsigned int rows; /**< Number of rows. */
+  unsigned int cols; /**< Number of columns. */
   // TODO(paulwilkins): broken for VP9 which has 8 segments
   // q and loop filter deltas for each segment
   // (see MAX_MB_SEGMENTS)
-  int delta_q[4];          /**< Quantizer deltas. */
-  int delta_lf[4];         /**< Loop filter deltas. */
+  int delta_q[4];  /**< Quantizer deltas. */
+  int delta_lf[4]; /**< Loop filter deltas. */
   /*! Static breakout threshold for each segment. */
   unsigned int static_threshold[4];
 } vpx_roi_map_t;
@@ -237,11 +643,11 @@ typedef struct vpx_roi_map {
  *
  */
 
-
 typedef struct vpx_active_map {
-  unsigned char  *active_map; /**< specify an on (1) or off (0) each 16x16 region within a frame */
-  unsigned int    rows;       /**< number of rows */
-  unsigned int    cols;       /**< number of cols */
+  /*!\brief specify an on (1) or off (0) each 16x16 region within a frame */
+  unsigned char *active_map;
+  unsigned int rows; /**< number of rows */
+  unsigned int cols; /**< number of cols */
 } vpx_active_map_t;
 
 /*!\brief  vpx image scaling mode
@@ -250,53 +656,66 @@ typedef struct vpx_active_map {
  *
  */
 typedef struct vpx_scaling_mode {
-  VPX_SCALING_MODE    h_scaling_mode;  /**< horizontal scaling mode */
-  VPX_SCALING_MODE    v_scaling_mode;  /**< vertical scaling mode   */
+  VPX_SCALING_MODE h_scaling_mode; /**< horizontal scaling mode */
+  VPX_SCALING_MODE v_scaling_mode; /**< vertical scaling mode   */
 } vpx_scaling_mode_t;
 
 /*!\brief VP8 token partition mode
  *
  * This defines VP8 partitioning mode for compressed data, i.e., the number of
- * sub-streams in the bitstream. Used for parallelized decoding.
+ * sub-streams in the bitstream. Used for parallelized decoding.
  *
  */
 
 typedef enum {
-  VP8_ONE_TOKENPARTITION   = 0,
-  VP8_TWO_TOKENPARTITION   = 1,
-  VP8_FOUR_TOKENPARTITION  = 2,
+  VP8_ONE_TOKENPARTITION = 0,
+  VP8_TWO_TOKENPARTITION = 1,
+  VP8_FOUR_TOKENPARTITION = 2,
   VP8_EIGHT_TOKENPARTITION = 3
 } vp8e_token_partitions;
 
+/*!brief VP9 encoder content type */
+typedef enum {
+  VP9E_CONTENT_DEFAULT,
+  VP9E_CONTENT_SCREEN,
+  VP9E_CONTENT_INVALID
+} vp9e_tune_content;
 
 /*!\brief VP8 model tuning parameters
  *
  * Changes the encoder to tune for certain types of input material.
  *
  */
-typedef enum {
-  VP8_TUNE_PSNR,
-  VP8_TUNE_SSIM
-} vp8e_tuning;
+typedef enum { VP8_TUNE_PSNR, VP8_TUNE_SSIM } vp8e_tuning;
 
-/*!\brief  vp9 svc parameters
+/*!\brief  vp9 svc layer parameters
  *
- * This defines parameters for svc encoding.
+ * This defines the spatial and temporal layer id numbers for svc encoding.
+ * This is used with the #VP9E_SET_SVC_LAYER_ID control to set the spatial and
+ * temporal layer id for the current frame.
  *
  */
-typedef struct vpx_svc_parameters {
-  unsigned int width;         /**< width of current spatial layer */
-  unsigned int height;        /**< height of current spatial layer */
-  int layer;                  /**< current layer number - 0 = base */
-  int flags;                  /**< encode frame flags */
-  int max_quantizer;          /**< max quantizer for current layer */
-  int min_quantizer;          /**< min quantizer for current layer */
-  int distance_from_i_frame;  /**< frame number within current gop */
-  int lst_fb_idx;             /**< last frame frame buffer index */
-  int gld_fb_idx;             /**< golden frame frame buffer index */
-  int alt_fb_idx;             /**< alt reference frame frame buffer index */
-} vpx_svc_parameters_t;
+typedef struct vpx_svc_layer_id {
+  int spatial_layer_id;  /**< Spatial layer id number. */
+  int temporal_layer_id; /**< Temporal layer id number. */
+} vpx_svc_layer_id_t;
 
+/*!\brief  vp9 svc frame flag parameters.
+ *
+ * This defines the frame flags and buffer indices for each spatial layer for
+ * svc encoding.
+ * This is used with the #VP9E_SET_SVC_REF_FRAME_CONFIG control to set frame
+ * flags and buffer indices for each spatial layer for the current (super)frame.
+ *
+ */
+typedef struct vpx_svc_ref_frame_config {
+  int frame_flags[VPX_TS_MAX_LAYERS]; /**< Frame flags. */
+  int lst_fb_idx[VPX_TS_MAX_LAYERS];  /**< Last buffer index. */
+  int gld_fb_idx[VPX_TS_MAX_LAYERS];  /**< Golden buffer index. */
+  int alt_fb_idx[VPX_TS_MAX_LAYERS];  /**< Altref buffer index. */
+} vpx_svc_ref_frame_config_t;
+
+/*!\cond */
 /*!\brief VP8 encoder control function parameter type
  *
  * Defines the data types that VP8E control functions take. Note that
@@ -304,51 +723,128 @@ typedef struct vpx_svc_parameters {
  *
  */
 
+VPX_CTRL_USE_TYPE(VP8E_SET_FRAME_FLAGS, int)
+#define VPX_CTRL_VP8E_SET_FRAME_FLAGS
+VPX_CTRL_USE_TYPE(VP8E_SET_TEMPORAL_LAYER_ID, int)
+#define VPX_CTRL_VP8E_SET_TEMPORAL_LAYER_ID
+VPX_CTRL_USE_TYPE(VP8E_SET_ROI_MAP, vpx_roi_map_t *)
+#define VPX_CTRL_VP8E_SET_ROI_MAP
+VPX_CTRL_USE_TYPE(VP8E_SET_ACTIVEMAP, vpx_active_map_t *)
+#define VPX_CTRL_VP8E_SET_ACTIVEMAP
+VPX_CTRL_USE_TYPE(VP8E_SET_SCALEMODE, vpx_scaling_mode_t *)
+#define VPX_CTRL_VP8E_SET_SCALEMODE
+
+VPX_CTRL_USE_TYPE(VP9E_SET_SVC, int)
+#define VPX_CTRL_VP9E_SET_SVC
+VPX_CTRL_USE_TYPE(VP9E_SET_SVC_PARAMETERS, void *)
+#define VPX_CTRL_VP9E_SET_SVC_PARAMETERS
+VPX_CTRL_USE_TYPE(VP9E_REGISTER_CX_CALLBACK, void *)
+#define VPX_CTRL_VP9E_REGISTER_CX_CALLBACK
+VPX_CTRL_USE_TYPE(VP9E_SET_SVC_LAYER_ID, vpx_svc_layer_id_t *)
+#define VPX_CTRL_VP9E_SET_SVC_LAYER_ID
+
+VPX_CTRL_USE_TYPE(VP8E_SET_CPUUSED, int)
+#define VPX_CTRL_VP8E_SET_CPUUSED
+VPX_CTRL_USE_TYPE(VP8E_SET_ENABLEAUTOALTREF, unsigned int)
+#define VPX_CTRL_VP8E_SET_ENABLEAUTOALTREF
+VPX_CTRL_USE_TYPE(VP8E_SET_NOISE_SENSITIVITY, unsigned int)
+#define VPX_CTRL_VP8E_SET_NOISE_SENSITIVITY
+VPX_CTRL_USE_TYPE(VP8E_SET_SHARPNESS, unsigned int)
+#define VPX_CTRL_VP8E_SET_SHARPNESS
+VPX_CTRL_USE_TYPE(VP8E_SET_STATIC_THRESHOLD, unsigned int)
+#define VPX_CTRL_VP8E_SET_STATIC_THRESHOLD
+VPX_CTRL_USE_TYPE(VP8E_SET_TOKEN_PARTITIONS, int) /* vp8e_token_partitions */
+#define VPX_CTRL_VP8E_SET_TOKEN_PARTITIONS
+
+VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_MAXFRAMES, unsigned int)
+#define VPX_CTRL_VP8E_SET_ARNR_MAXFRAMES
+VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_STRENGTH, unsigned int)
+#define VPX_CTRL_VP8E_SET_ARNR_STRENGTH
+VPX_CTRL_USE_TYPE_DEPRECATED(VP8E_SET_ARNR_TYPE, unsigned int)
+#define VPX_CTRL_VP8E_SET_ARNR_TYPE
+VPX_CTRL_USE_TYPE(VP8E_SET_TUNING, int) /* vp8e_tuning */
+#define VPX_CTRL_VP8E_SET_TUNING
+VPX_CTRL_USE_TYPE(VP8E_SET_CQ_LEVEL, unsigned int)
+#define VPX_CTRL_VP8E_SET_CQ_LEVEL
+
+VPX_CTRL_USE_TYPE(VP9E_SET_TILE_COLUMNS, int)
+#define VPX_CTRL_VP9E_SET_TILE_COLUMNS
+VPX_CTRL_USE_TYPE(VP9E_SET_TILE_ROWS, int)
+#define VPX_CTRL_VP9E_SET_TILE_ROWS
+
+VPX_CTRL_USE_TYPE(VP8E_GET_LAST_QUANTIZER, int *)
+#define VPX_CTRL_VP8E_GET_LAST_QUANTIZER
+VPX_CTRL_USE_TYPE(VP8E_GET_LAST_QUANTIZER_64, int *)
+#define VPX_CTRL_VP8E_GET_LAST_QUANTIZER_64
+VPX_CTRL_USE_TYPE(VP9E_GET_SVC_LAYER_ID, vpx_svc_layer_id_t *)
+#define VPX_CTRL_VP9E_GET_SVC_LAYER_ID
 
-/* These controls have been deprecated in favor of the flags parameter to
- * vpx_codec_encode(). See the definition of VP8_EFLAG_* above.
- */
-VPX_CTRL_USE_TYPE_DEPRECATED(VP8E_UPD_ENTROPY,            int)
-VPX_CTRL_USE_TYPE_DEPRECATED(VP8E_UPD_REFERENCE,          int)
-VPX_CTRL_USE_TYPE_DEPRECATED(VP8E_USE_REFERENCE,          int)
+VPX_CTRL_USE_TYPE(VP8E_SET_MAX_INTRA_BITRATE_PCT, unsigned int)
+#define VPX_CTRL_VP8E_SET_MAX_INTRA_BITRATE_PCT
+VPX_CTRL_USE_TYPE(VP8E_SET_MAX_INTER_BITRATE_PCT, unsigned int)
+#define VPX_CTRL_VP8E_SET_MAX_INTER_BITRATE_PCT
 
-VPX_CTRL_USE_TYPE(VP8E_SET_ROI_MAP,            vpx_roi_map_t *)
-VPX_CTRL_USE_TYPE(VP8E_SET_ACTIVEMAP,          vpx_active_map_t *)
-VPX_CTRL_USE_TYPE(VP8E_SET_SCALEMODE,          vpx_scaling_mode_t *)
+VPX_CTRL_USE_TYPE(VP8E_SET_GF_CBR_BOOST_PCT, unsigned int)
+#define VPX_CTRL_VP8E_SET_GF_CBR_BOOST_PCT
 
-VPX_CTRL_USE_TYPE(VP9E_SET_SVC,                int)
-VPX_CTRL_USE_TYPE(VP9E_SET_SVC_PARAMETERS,     vpx_svc_parameters_t *)
+VPX_CTRL_USE_TYPE(VP8E_SET_SCREEN_CONTENT_MODE, unsigned int)
+#define VPX_CTRL_VP8E_SET_SCREEN_CONTENT_MODE
 
-VPX_CTRL_USE_TYPE(VP8E_SET_CPUUSED,            int)
-VPX_CTRL_USE_TYPE(VP8E_SET_ENABLEAUTOALTREF,   unsigned int)
-VPX_CTRL_USE_TYPE(VP8E_SET_NOISE_SENSITIVITY,  unsigned int)
-VPX_CTRL_USE_TYPE(VP8E_SET_SHARPNESS,          unsigned int)
-VPX_CTRL_USE_TYPE(VP8E_SET_STATIC_THRESHOLD,   unsigned int)
-VPX_CTRL_USE_TYPE(VP8E_SET_TOKEN_PARTITIONS,   int) /* vp8e_token_partitions */
+VPX_CTRL_USE_TYPE(VP9E_SET_GF_CBR_BOOST_PCT, unsigned int)
+#define VPX_CTRL_VP9E_SET_GF_CBR_BOOST_PCT
 
-VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_MAXFRAMES,     unsigned int)
-VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_STRENGTH,     unsigned int)
-VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_TYPE,     unsigned int)
-VPX_CTRL_USE_TYPE(VP8E_SET_TUNING,             int) /* vp8e_tuning */
-VPX_CTRL_USE_TYPE(VP8E_SET_CQ_LEVEL,      unsigned int)
+VPX_CTRL_USE_TYPE(VP9E_SET_LOSSLESS, unsigned int)
+#define VPX_CTRL_VP9E_SET_LOSSLESS
 
-VPX_CTRL_USE_TYPE(VP9E_SET_TILE_COLUMNS,  int)
-VPX_CTRL_USE_TYPE(VP9E_SET_TILE_ROWS,  int)
+VPX_CTRL_USE_TYPE(VP9E_SET_FRAME_PARALLEL_DECODING, unsigned int)
+#define VPX_CTRL_VP9E_SET_FRAME_PARALLEL_DECODING
 
-VPX_CTRL_USE_TYPE(VP8E_GET_LAST_QUANTIZER,     int *)
-VPX_CTRL_USE_TYPE(VP8E_GET_LAST_QUANTIZER_64,  int *)
+VPX_CTRL_USE_TYPE(VP9E_SET_AQ_MODE, unsigned int)
+#define VPX_CTRL_VP9E_SET_AQ_MODE
 
-VPX_CTRL_USE_TYPE(VP8E_SET_MAX_INTRA_BITRATE_PCT, unsigned int)
+VPX_CTRL_USE_TYPE(VP9E_SET_ALT_REF_AQ, int)
+#define VPX_CTRL_VP9E_SET_ALT_REF_AQ
 
-VPX_CTRL_USE_TYPE(VP9E_SET_LOSSLESS, unsigned int)
+VPX_CTRL_USE_TYPE(VP9E_SET_FRAME_PERIODIC_BOOST, unsigned int)
+#define VPX_CTRL_VP9E_SET_FRAME_PERIODIC_BOOST
 
-VPX_CTRL_USE_TYPE(VP9E_SET_FRAME_PARALLEL_DECODING, unsigned int)
+VPX_CTRL_USE_TYPE(VP9E_SET_NOISE_SENSITIVITY, unsigned int)
+#define VPX_CTRL_VP9E_SET_NOISE_SENSITIVITY
 
-VPX_CTRL_USE_TYPE(VP9E_SET_AQ_MODE, unsigned int)
+VPX_CTRL_USE_TYPE(VP9E_SET_TUNE_CONTENT, int) /* vp9e_tune_content */
+#define VPX_CTRL_VP9E_SET_TUNE_CONTENT
+
+VPX_CTRL_USE_TYPE(VP9E_SET_COLOR_SPACE, int)
+#define VPX_CTRL_VP9E_SET_COLOR_SPACE
+
+VPX_CTRL_USE_TYPE(VP9E_SET_MIN_GF_INTERVAL, unsigned int)
+#define VPX_CTRL_VP9E_SET_MIN_GF_INTERVAL
+
+VPX_CTRL_USE_TYPE(VP9E_SET_MAX_GF_INTERVAL, unsigned int)
+#define VPX_CTRL_VP9E_SET_MAX_GF_INTERVAL
+
+VPX_CTRL_USE_TYPE(VP9E_GET_ACTIVEMAP, vpx_active_map_t *)
+#define VPX_CTRL_VP9E_GET_ACTIVEMAP
 
+VPX_CTRL_USE_TYPE(VP9E_SET_COLOR_RANGE, int)
+#define VPX_CTRL_VP9E_SET_COLOR_RANGE
+
+VPX_CTRL_USE_TYPE(VP9E_SET_SVC_REF_FRAME_CONFIG, vpx_svc_ref_frame_config_t *)
+#define VPX_CTRL_VP9E_SET_SVC_REF_FRAME_CONFIG
+
+VPX_CTRL_USE_TYPE(VP9E_SET_RENDER_SIZE, int *)
+#define VPX_CTRL_VP9E_SET_RENDER_SIZE
+
+VPX_CTRL_USE_TYPE(VP9E_SET_TARGET_LEVEL, unsigned int)
+#define VPX_CTRL_VP9E_SET_TARGET_LEVEL
+
+VPX_CTRL_USE_TYPE(VP9E_GET_LEVEL, int *)
+#define VPX_CTRL_VP9E_GET_LEVEL
+
+/*!\endcond */
 /*! @} - end defgroup vp8_encoder */
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
-#endif
+#endif  // VPX_VP8CX_H_
diff --git a/protocols/Tox/include/vpx/vp8dx.h b/protocols/Tox/include/vpx/vp8dx.h
index d3093c48c5..0d7759eb25 100644
--- a/protocols/Tox/include/vpx/vp8dx.h
+++ b/protocols/Tox/include/vpx/vp8dx.h
@@ -8,43 +8,43 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-
-#include "vp8.h"
-
-/*!\defgroup vp8_decoder WebM VP8 Decoder
+/*!\defgroup vp8_decoder WebM VP8/VP9 Decoder
  * \ingroup vp8
  *
  * @{
  */
 /*!\file
- * \brief Provides definitions for using the VP8 algorithm within the vpx Decoder
+ * \brief Provides definitions for using VP8 or VP9 within the vpx Decoder
  *        interface.
  */
-#ifndef VP8DX_H
-#define VP8DX_H
+#ifndef VPX_VP8DX_H_
+#define VPX_VP8DX_H_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+/* Include controls common to both the encoder and decoder */
+#include "./vp8.h"
+
 /*!\name Algorithm interface for VP8
  *
- * This interface provides the capability to decode raw VP8 streams, as would
- * be found in AVI files and other non-Flash uses.
+ * This interface provides the capability to decode VP8 streams.
  * @{
  */
-extern vpx_codec_iface_t  vpx_codec_vp8_dx_algo;
+extern vpx_codec_iface_t vpx_codec_vp8_dx_algo;
 extern vpx_codec_iface_t *vpx_codec_vp8_dx(void);
+/*!@} - end algorithm interface member group*/
 
-/* TODO(jkoleszar): These move to VP9 in a later patch set. */
-extern vpx_codec_iface_t  vpx_codec_vp9_dx_algo;
+/*!\name Algorithm interface for VP9
+ *
+ * This interface provides the capability to decode VP9 streams.
+ * @{
+ */
+extern vpx_codec_iface_t vpx_codec_vp9_dx_algo;
 extern vpx_codec_iface_t *vpx_codec_vp9_dx(void);
 /*!@} - end algorithm interface member group*/
 
-/* Include controls common to both the encoder and decoder */
-#include "vp8.h"
-
-
 /*!\enum vp8_dec_control_id
  * \brief VP8 decoder control functions
  *
@@ -68,31 +68,80 @@ enum vp8_dec_control_id {
   VP8D_GET_LAST_REF_USED,
 
   /** decryption function to decrypt encoded buffer data immediately
-   * before decoding. Takes a vp8_decrypt_init, which contains
+   * before decoding. Takes a vpx_decrypt_init, which contains
    * a callback function and opaque context pointer.
    */
-  VP8D_SET_DECRYPTOR,
-
-  /** For testing. */
+  VPXD_SET_DECRYPTOR,
+  VP8D_SET_DECRYPTOR = VPXD_SET_DECRYPTOR,
+
+  /** control function to get the dimensions that the current frame is decoded
+   * at. This may be different to the intended display size for the frame as
+   * specified in the wrapper or frame header (see VP9D_GET_DISPLAY_SIZE). */
+  VP9D_GET_FRAME_SIZE,
+
+  /** control function to get the current frame's intended display dimensions
+   * (as specified in the wrapper or frame header). This may be different to
+   * the decoded dimensions of this frame (see VP9D_GET_FRAME_SIZE). */
+  VP9D_GET_DISPLAY_SIZE,
+
+  /** control function to get the bit depth of the stream. */
+  VP9D_GET_BIT_DEPTH,
+
+  /** control function to set the byte alignment of the planes in the reference
+   * buffers. Valid values are power of 2, from 32 to 1024. A value of 0 sets
+   * legacy alignment. I.e. Y plane is aligned to 32 bytes, U plane directly
+   * follows Y plane, and V plane directly follows U plane. Default value is 0.
+   */
+  VP9_SET_BYTE_ALIGNMENT,
+
+  /** control function to invert the decoding order to from right to left. The
+   * function is used in a test to confirm the decoding independence of tile
+   * columns. The function may be used in application where this order
+   * of decoding is desired.
+   *
+   * TODO(yaowu): Rework the unit test that uses this control, and in a future
+   *              release, this test-only control shall be removed.
+   */
   VP9_INVERT_TILE_DECODE_ORDER,
 
+  /** control function to set the skip loop filter flag. Valid values are
+   * integers. The decoder will skip the loop filter when its value is set to
+   * nonzero. If the loop filter is skipped the decoder may accumulate decode
+   * artifacts. The default value is 0.
+   */
+  VP9_SET_SKIP_LOOP_FILTER,
+
+  /** control function to decode SVC stream up to the x spatial layers,
+   * where x is passed in through the control, and is 0 for base layer.
+   */
+  VP9_DECODE_SVC_SPATIAL_LAYER,
+
   VP8_DECODER_CTRL_ID_MAX
 };
 
+/** Decrypt n bytes of data from input -> output, using the decrypt_state
+ *  passed in VPXD_SET_DECRYPTOR.
+ */
+typedef void (*vpx_decrypt_cb)(void *decrypt_state, const unsigned char *input,
+                               unsigned char *output, int count);
+
 /*!\brief Structure to hold decryption state
  *
  * Defines a structure to hold the decryption state and access function.
  */
-typedef struct vp8_decrypt_init {
-    /** Decrypt n bytes of data from input -> output, using the decrypt_state
-     *  passed in VP8D_SET_DECRYPTOR.
-     */
-    void (*decrypt_cb)(void *decrypt_state, const unsigned char *input,
-                       unsigned char *output, int count);
-    /*! Decryption state. */
-    void *decrypt_state;
-} vp8_decrypt_init;
+typedef struct vpx_decrypt_init {
+  /*! Decrypt callback. */
+  vpx_decrypt_cb decrypt_cb;
+
+  /*! Decryption state. */
+  void *decrypt_state;
+} vpx_decrypt_init;
+
+/*!\brief A deprecated alias for vpx_decrypt_init.
+ */
+typedef vpx_decrypt_init vp8_decrypt_init;
 
+/*!\cond */
 /*!\brief VP8 decoder control function parameter type
  *
  * Defines the data types that VP8D control functions take. Note that
@@ -100,17 +149,32 @@ typedef struct vp8_decrypt_init {
  *
  */
 
-
-VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_UPDATES,   int *)
-VPX_CTRL_USE_TYPE(VP8D_GET_FRAME_CORRUPTED,    int *)
-VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_USED,      int *)
-VPX_CTRL_USE_TYPE(VP8D_SET_DECRYPTOR,          vp8_decrypt_init *)
+VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_UPDATES, int *)
+#define VPX_CTRL_VP8D_GET_LAST_REF_UPDATES
+VPX_CTRL_USE_TYPE(VP8D_GET_FRAME_CORRUPTED, int *)
+#define VPX_CTRL_VP8D_GET_FRAME_CORRUPTED
+VPX_CTRL_USE_TYPE(VP8D_GET_LAST_REF_USED, int *)
+#define VPX_CTRL_VP8D_GET_LAST_REF_USED
+VPX_CTRL_USE_TYPE(VPXD_SET_DECRYPTOR, vpx_decrypt_init *)
+#define VPX_CTRL_VPXD_SET_DECRYPTOR
+VPX_CTRL_USE_TYPE(VP8D_SET_DECRYPTOR, vpx_decrypt_init *)
+#define VPX_CTRL_VP8D_SET_DECRYPTOR
+VPX_CTRL_USE_TYPE(VP9D_GET_DISPLAY_SIZE, int *)
+#define VPX_CTRL_VP9D_GET_DISPLAY_SIZE
+VPX_CTRL_USE_TYPE(VP9D_GET_BIT_DEPTH, unsigned int *)
+#define VPX_CTRL_VP9D_GET_BIT_DEPTH
+VPX_CTRL_USE_TYPE(VP9D_GET_FRAME_SIZE, int *)
+#define VPX_CTRL_VP9D_GET_FRAME_SIZE
 VPX_CTRL_USE_TYPE(VP9_INVERT_TILE_DECODE_ORDER, int)
+#define VPX_CTRL_VP9_INVERT_TILE_DECODE_ORDER
+#define VPX_CTRL_VP9_DECODE_SVC_SPATIAL_LAYER
+VPX_CTRL_USE_TYPE(VP9_DECODE_SVC_SPATIAL_LAYER, int)
 
+/*!\endcond */
 /*! @} - end defgroup vp8_decoder */
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
-#endif
+#endif  // VPX_VP8DX_H_
diff --git a/protocols/Tox/include/vpx/vpx_codec.h b/protocols/Tox/include/vpx/vpx_codec.h
index 3ea36d6ef1..fe75d23872 100644
--- a/protocols/Tox/include/vpx/vpx_codec.h
+++ b/protocols/Tox/include/vpx/vpx_codec.h
@@ -8,7 +8,6 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-
 /*!\defgroup codec Common Algorithm Interface
  * This abstraction allows applications to easily support multiple video
  * formats with minimal code duplication. This section describes the interface
@@ -36,523 +35,429 @@
  * Once initialized, the instance is manged using other functions from
  * the vpx_codec_* family.
  */
-#ifndef VPX_CODEC_H
-#define VPX_CODEC_H
+#ifndef VPX_VPX_CODEC_H_
+#define VPX_VPX_CODEC_H_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include "vpx_integer.h"
-#include "vpx_image.h"
+#include "./vpx_integer.h"
+#include "./vpx_image.h"
 
-  /*!\brief Decorator indicating a function is deprecated */
+/*!\brief Decorator indicating a function is deprecated */
 #ifndef DEPRECATED
 #if defined(__GNUC__) && __GNUC__
-#define DEPRECATED          __attribute__ ((deprecated))
+#define DEPRECATED __attribute__((deprecated))
 #elif defined(_MSC_VER)
 #define DEPRECATED
 #else
 #define DEPRECATED
 #endif
-#endif  /* DEPRECATED */
+#endif /* DEPRECATED */
 
 #ifndef DECLSPEC_DEPRECATED
 #if defined(__GNUC__) && __GNUC__
 #define DECLSPEC_DEPRECATED /**< \copydoc #DEPRECATED */
 #elif defined(_MSC_VER)
-#define DECLSPEC_DEPRECATED __declspec(deprecated) /**< \copydoc #DEPRECATED */
+/*!\brief \copydoc #DEPRECATED */
+#define DECLSPEC_DEPRECATED __declspec(deprecated)
 #else
 #define DECLSPEC_DEPRECATED /**< \copydoc #DEPRECATED */
 #endif
-#endif  /* DECLSPEC_DEPRECATED */
+#endif /* DECLSPEC_DEPRECATED */
 
-  /*!\brief Decorator indicating a function is potentially unused */
+/*!\brief Decorator indicating a function is potentially unused */
 #ifdef UNUSED
-#elif __GNUC__
-#define UNUSED __attribute__ ((unused))
+#elif defined(__GNUC__) || defined(__clang__)
+#define UNUSED __attribute__((unused))
 #else
 #define UNUSED
 #endif
 
-  /*!\brief Current ABI version number
-   *
-   * \internal
-   * If this file is altered in any way that changes the ABI, this value
-   * must be bumped.  Examples include, but are not limited to, changing
-   * types, removing or reassigning enums, adding/removing/rearranging
-   * fields to structures
-   */
-#define VPX_CODEC_ABI_VERSION (2 + VPX_IMAGE_ABI_VERSION) /**<\hideinitializer*/
-
-  /*!\brief Algorithm return codes */
-  typedef enum {
-    /*!\brief Operation completed without error */
-    VPX_CODEC_OK,
-
-    /*!\brief Unspecified error */
-    VPX_CODEC_ERROR,
-
-    /*!\brief Memory operation failed */
-    VPX_CODEC_MEM_ERROR,
-
-    /*!\brief ABI version mismatch */
-    VPX_CODEC_ABI_MISMATCH,
-
-    /*!\brief Algorithm does not have required capability */
-    VPX_CODEC_INCAPABLE,
-
-    /*!\brief The given bitstream is not supported.
-     *
-     * The bitstream was unable to be parsed at the highest level. The decoder
-     * is unable to proceed. This error \ref SHOULD be treated as fatal to the
-     * stream. */
-    VPX_CODEC_UNSUP_BITSTREAM,
-
-    /*!\brief Encoded bitstream uses an unsupported feature
-     *
-     * The decoder does not implement a feature required by the encoder. This
-     * return code should only be used for features that prevent future
-     * pictures from being properly decoded. This error \ref MAY be treated as
-     * fatal to the stream or \ref MAY be treated as fatal to the current GOP.
-     */
-    VPX_CODEC_UNSUP_FEATURE,
-
-    /*!\brief The coded data for this stream is corrupt or incomplete
-     *
-     * There was a problem decoding the current frame.  This return code
-     * should only be used for failures that prevent future pictures from
-     * being properly decoded. This error \ref MAY be treated as fatal to the
-     * stream or \ref MAY be treated as fatal to the current GOP. If decoding
-     * is continued for the current GOP, artifacts may be present.
-     */
-    VPX_CODEC_CORRUPT_FRAME,
-
-    /*!\brief An application-supplied parameter is not valid.
-     *
-     */
-    VPX_CODEC_INVALID_PARAM,
-
-    /*!\brief An iterator reached the end of list.
-     *
-     */
-    VPX_CODEC_LIST_END
-
-  }
-  vpx_codec_err_t;
-
-
-  /*! \brief Codec capabilities bitfield
-   *
-   *  Each codec advertises the capabilities it supports as part of its
-   *  ::vpx_codec_iface_t interface structure. Capabilities are extra interfaces
-   *  or functionality, and are not required to be supported.
-   *
-   *  The available flags are specified by VPX_CODEC_CAP_* defines.
-   */
-  typedef long vpx_codec_caps_t;
-#define VPX_CODEC_CAP_DECODER 0x1 /**< Is a decoder */
-#define VPX_CODEC_CAP_ENCODER 0x2 /**< Is an encoder */
-#define VPX_CODEC_CAP_XMA     0x4 /**< Supports eXternal Memory Allocation */
+/*!\brief Current ABI version number
+ *
+ * \internal
+ * If this file is altered in any way that changes the ABI, this value
+ * must be bumped.  Examples include, but are not limited to, changing
+ * types, removing or reassigning enums, adding/removing/rearranging
+ * fields to structures
+ */
+#define VPX_CODEC_ABI_VERSION (3 + VPX_IMAGE_ABI_VERSION) /**<\hideinitializer*/
 
+/*!\brief Algorithm return codes */
+typedef enum {
+  /*!\brief Operation completed without error */
+  VPX_CODEC_OK,
 
-  /*! \brief Initialization-time Feature Enabling
-   *
-   *  Certain codec features must be known at initialization time, to allow for
-   *  proper memory allocation.
-   *
-   *  The available flags are specified by VPX_CODEC_USE_* defines.
-   */
-  typedef long vpx_codec_flags_t;
-#define VPX_CODEC_USE_XMA 0x00000001    /**< Use eXternal Memory Allocation mode */
+  /*!\brief Unspecified error */
+  VPX_CODEC_ERROR,
 
+  /*!\brief Memory operation failed */
+  VPX_CODEC_MEM_ERROR,
 
-  /*!\brief Codec interface structure.
-   *
-   * Contains function pointers and other data private to the codec
-   * implementation. This structure is opaque to the application.
-   */
-  typedef const struct vpx_codec_iface vpx_codec_iface_t;
+  /*!\brief ABI version mismatch */
+  VPX_CODEC_ABI_MISMATCH,
 
+  /*!\brief Algorithm does not have required capability */
+  VPX_CODEC_INCAPABLE,
 
-  /*!\brief Codec private data structure.
+  /*!\brief The given bitstream is not supported.
    *
-   * Contains data private to the codec implementation. This structure is opaque
-   * to the application.
-   */
-  typedef       struct vpx_codec_priv  vpx_codec_priv_t;
-
+   * The bitstream was unable to be parsed at the highest level. The decoder
+   * is unable to proceed. This error \ref SHOULD be treated as fatal to the
+   * stream. */
+  VPX_CODEC_UNSUP_BITSTREAM,
 
-  /*!\brief Iterator
+  /*!\brief Encoded bitstream uses an unsupported feature
    *
-   * Opaque storage used for iterating over lists.
+   * The decoder does not implement a feature required by the encoder. This
+   * return code should only be used for features that prevent future
+   * pictures from being properly decoded. This error \ref MAY be treated as
+   * fatal to the stream or \ref MAY be treated as fatal to the current GOP.
    */
-  typedef const void *vpx_codec_iter_t;
-
+  VPX_CODEC_UNSUP_FEATURE,
 
-  /*!\brief Codec context structure
+  /*!\brief The coded data for this stream is corrupt or incomplete
    *
-   * All codecs \ref MUST support this context structure fully. In general,
-   * this data should be considered private to the codec algorithm, and
-   * not be manipulated or examined by the calling application. Applications
-   * may reference the 'name' member to get a printable description of the
-   * algorithm.
+   * There was a problem decoding the current frame.  This return code
+   * should only be used for failures that prevent future pictures from
+   * being properly decoded. This error \ref MAY be treated as fatal to the
+   * stream or \ref MAY be treated as fatal to the current GOP. If decoding
+   * is continued for the current GOP, artifacts may be present.
    */
-  typedef struct vpx_codec_ctx {
-    const char              *name;        /**< Printable interface name */
-    vpx_codec_iface_t       *iface;       /**< Interface pointers */
-    vpx_codec_err_t          err;         /**< Last returned error */
-    const char              *err_detail;  /**< Detailed info, if available */
-    vpx_codec_flags_t        init_flags;  /**< Flags passed at init time */
-    union {
-      struct vpx_codec_dec_cfg  *dec;   /**< Decoder Configuration Pointer */
-      struct vpx_codec_enc_cfg  *enc;   /**< Encoder Configuration Pointer */
-      void                      *raw;
-    }                        config;      /**< Configuration pointer aliasing union */
-    vpx_codec_priv_t        *priv;        /**< Algorithm private storage */
-  } vpx_codec_ctx_t;
-
-
-  /*
-   * Library Version Number Interface
+  VPX_CODEC_CORRUPT_FRAME,
+
+  /*!\brief An application-supplied parameter is not valid.
    *
-   * For example, see the following sample return values:
-   *     vpx_codec_version()           (1<<16 | 2<<8 | 3)
-   *     vpx_codec_version_str()       "v1.2.3-rc1-16-gec6a1ba"
-   *     vpx_codec_version_extra_str() "rc1-16-gec6a1ba"
    */
+  VPX_CODEC_INVALID_PARAM,
 
-  /*!\brief Return the version information (as an integer)
-   *
-   * Returns a packed encoding of the library version number. This will only include
-   * the major.minor.patch component of the version number. Note that this encoded
-   * value should be accessed through the macros provided, as the encoding may change
-   * in the future.
+  /*!\brief An iterator reached the end of list.
    *
    */
-  int vpx_codec_version(void);
-#define VPX_VERSION_MAJOR(v) ((v>>16)&0xff) /**< extract major from packed version */
-#define VPX_VERSION_MINOR(v) ((v>>8)&0xff)  /**< extract minor from packed version */
-#define VPX_VERSION_PATCH(v) ((v>>0)&0xff)  /**< extract patch from packed version */
-
-  /*!\brief Return the version major number */
-#define vpx_codec_version_major() ((vpx_codec_version()>>16)&0xff)
+  VPX_CODEC_LIST_END
 
-  /*!\brief Return the version minor number */
-#define vpx_codec_version_minor() ((vpx_codec_version()>>8)&0xff)
+} vpx_codec_err_t;
 
-  /*!\brief Return the version patch number */
-#define vpx_codec_version_patch() ((vpx_codec_version()>>0)&0xff)
+/*! \brief Codec capabilities bitfield
+ *
+ *  Each codec advertises the capabilities it supports as part of its
+ *  ::vpx_codec_iface_t interface structure. Capabilities are extra interfaces
+ *  or functionality, and are not required to be supported.
+ *
+ *  The available flags are specified by VPX_CODEC_CAP_* defines.
+ */
+typedef long vpx_codec_caps_t;
+#define VPX_CODEC_CAP_DECODER 0x1 /**< Is a decoder */
+#define VPX_CODEC_CAP_ENCODER 0x2 /**< Is an encoder */
 
+/*! \brief Initialization-time Feature Enabling
+ *
+ *  Certain codec features must be known at initialization time, to allow for
+ *  proper memory allocation.
+ *
+ *  The available flags are specified by VPX_CODEC_USE_* defines.
+ */
+typedef long vpx_codec_flags_t;
 
-  /*!\brief Return the version information (as a string)
-   *
-   * Returns a printable string containing the full library version number. This may
-   * contain additional text following the three digit version number, as to indicate
-   * release candidates, prerelease versions, etc.
-   *
-   */
-  const char *vpx_codec_version_str(void);
+/*!\brief Codec interface structure.
+ *
+ * Contains function pointers and other data private to the codec
+ * implementation. This structure is opaque to the application.
+ */
+typedef const struct vpx_codec_iface vpx_codec_iface_t;
 
+/*!\brief Codec private data structure.
+ *
+ * Contains data private to the codec implementation. This structure is opaque
+ * to the application.
+ */
+typedef struct vpx_codec_priv vpx_codec_priv_t;
 
-  /*!\brief Return the version information (as a string)
-   *
-   * Returns a printable "extra string". This is the component of the string returned
-   * by vpx_codec_version_str() following the three digit version number.
-   *
-   */
-  const char *vpx_codec_version_extra_str(void);
+/*!\brief Iterator
+ *
+ * Opaque storage used for iterating over lists.
+ */
+typedef const void *vpx_codec_iter_t;
 
+/*!\brief Codec context structure
+ *
+ * All codecs \ref MUST support this context structure fully. In general,
+ * this data should be considered private to the codec algorithm, and
+ * not be manipulated or examined by the calling application. Applications
+ * may reference the 'name' member to get a printable description of the
+ * algorithm.
+ */
+typedef struct vpx_codec_ctx {
+  const char *name;             /**< Printable interface name */
+  vpx_codec_iface_t *iface;     /**< Interface pointers */
+  vpx_codec_err_t err;          /**< Last returned error */
+  const char *err_detail;       /**< Detailed info, if available */
+  vpx_codec_flags_t init_flags; /**< Flags passed at init time */
+  union {
+    /**< Decoder Configuration Pointer */
+    const struct vpx_codec_dec_cfg *dec;
+    /**< Encoder Configuration Pointer */
+    const struct vpx_codec_enc_cfg *enc;
+    const void *raw;
+  } config;               /**< Configuration pointer aliasing union */
+  vpx_codec_priv_t *priv; /**< Algorithm private storage */
+} vpx_codec_ctx_t;
+
+/*!\brief Bit depth for codec
+ * *
+ * This enumeration determines the bit depth of the codec.
+ */
+typedef enum vpx_bit_depth {
+  VPX_BITS_8 = 8,   /**<  8 bits */
+  VPX_BITS_10 = 10, /**< 10 bits */
+  VPX_BITS_12 = 12, /**< 12 bits */
+} vpx_bit_depth_t;
 
-  /*!\brief Return the build configuration
-   *
-   * Returns a printable string containing an encoded version of the build
-   * configuration. This may be useful to vpx support.
-   *
-   */
-  const char *vpx_codec_build_config(void);
+/*
+ * Library Version Number Interface
+ *
+ * For example, see the following sample return values:
+ *     vpx_codec_version()           (1<<16 | 2<<8 | 3)
+ *     vpx_codec_version_str()       "v1.2.3-rc1-16-gec6a1ba"
+ *     vpx_codec_version_extra_str() "rc1-16-gec6a1ba"
+ */
 
+/*!\brief Return the version information (as an integer)
+ *
+ * Returns a packed encoding of the library version number. This will only
+ * include
+ * the major.minor.patch component of the version number. Note that this encoded
+ * value should be accessed through the macros provided, as the encoding may
+ * change
+ * in the future.
+ *
+ */
+int vpx_codec_version(void);
+#define VPX_VERSION_MAJOR(v) \
+  ((v >> 16) & 0xff) /**< extract major from packed version */
+#define VPX_VERSION_MINOR(v) \
+  ((v >> 8) & 0xff) /**< extract minor from packed version */
+#define VPX_VERSION_PATCH(v) \
+  ((v >> 0) & 0xff) /**< extract patch from packed version */
 
-  /*!\brief Return the name for a given interface
-   *
-   * Returns a human readable string for name of the given codec interface.
-   *
-   * \param[in]    iface     Interface pointer
-   *
-   */
-  const char *vpx_codec_iface_name(vpx_codec_iface_t *iface);
+/*!\brief Return the version major number */
+#define vpx_codec_version_major() ((vpx_codec_version() >> 16) & 0xff)
 
+/*!\brief Return the version minor number */
+#define vpx_codec_version_minor() ((vpx_codec_version() >> 8) & 0xff)
 
-  /*!\brief Convert error number to printable string
-   *
-   * Returns a human readable string for the last error returned by the
-   * algorithm. The returned error will be one line and will not contain
-   * any newline characters.
-   *
-   *
-   * \param[in]    err     Error number.
-   *
-   */
-  const char *vpx_codec_err_to_string(vpx_codec_err_t  err);
+/*!\brief Return the version patch number */
+#define vpx_codec_version_patch() ((vpx_codec_version() >> 0) & 0xff)
 
+/*!\brief Return the version information (as a string)
+ *
+ * Returns a printable string containing the full library version number. This
+ * may
+ * contain additional text following the three digit version number, as to
+ * indicate
+ * release candidates, prerelease versions, etc.
+ *
+ */
+const char *vpx_codec_version_str(void);
 
-  /*!\brief Retrieve error synopsis for codec context
-   *
-   * Returns a human readable string for the last error returned by the
-   * algorithm. The returned error will be one line and will not contain
-   * any newline characters.
-   *
-   *
-   * \param[in]    ctx     Pointer to this instance's context.
-   *
-   */
-  const char *vpx_codec_error(vpx_codec_ctx_t  *ctx);
+/*!\brief Return the version information (as a string)
+ *
+ * Returns a printable "extra string". This is the component of the string
+ * returned
+ * by vpx_codec_version_str() following the three digit version number.
+ *
+ */
+const char *vpx_codec_version_extra_str(void);
 
+/*!\brief Return the build configuration
+ *
+ * Returns a printable string containing an encoded version of the build
+ * configuration. This may be useful to vpx support.
+ *
+ */
+const char *vpx_codec_build_config(void);
 
-  /*!\brief Retrieve detailed error information for codec context
-   *
-   * Returns a human readable string providing detailed information about
-   * the last error.
-   *
-   * \param[in]    ctx     Pointer to this instance's context.
-   *
-   * \retval NULL
-   *     No detailed information is available.
-   */
-  const char *vpx_codec_error_detail(vpx_codec_ctx_t  *ctx);
+/*!\brief Return the name for a given interface
+ *
+ * Returns a human readable string for name of the given codec interface.
+ *
+ * \param[in]    iface     Interface pointer
+ *
+ */
+const char *vpx_codec_iface_name(vpx_codec_iface_t *iface);
 
+/*!\brief Convert error number to printable string
+ *
+ * Returns a human readable string for the last error returned by the
+ * algorithm. The returned error will be one line and will not contain
+ * any newline characters.
+ *
+ *
+ * \param[in]    err     Error number.
+ *
+ */
+const char *vpx_codec_err_to_string(vpx_codec_err_t err);
 
-  /* REQUIRED FUNCTIONS
-   *
-   * The following functions are required to be implemented for all codecs.
-   * They represent the base case functionality expected of all codecs.
-   */
+/*!\brief Retrieve error synopsis for codec context
+ *
+ * Returns a human readable string for the last error returned by the
+ * algorithm. The returned error will be one line and will not contain
+ * any newline characters.
+ *
+ *
+ * \param[in]    ctx     Pointer to this instance's context.
+ *
+ */
+const char *vpx_codec_error(vpx_codec_ctx_t *ctx);
 
-  /*!\brief Destroy a codec instance
-   *
-   * Destroys a codec context, freeing any associated memory buffers.
-   *
-   * \param[in] ctx   Pointer to this instance's context
-   *
-   * \retval #VPX_CODEC_OK
-   *     The codec algorithm initialized.
-   * \retval #VPX_CODEC_MEM_ERROR
-   *     Memory allocation failed.
-   */
-  vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx);
+/*!\brief Retrieve detailed error information for codec context
+ *
+ * Returns a human readable string providing detailed information about
+ * the last error.
+ *
+ * \param[in]    ctx     Pointer to this instance's context.
+ *
+ * \retval NULL
+ *     No detailed information is available.
+ */
+const char *vpx_codec_error_detail(vpx_codec_ctx_t *ctx);
 
+/* REQUIRED FUNCTIONS
+ *
+ * The following functions are required to be implemented for all codecs.
+ * They represent the base case functionality expected of all codecs.
+ */
 
-  /*!\brief Get the capabilities of an algorithm.
-   *
-   * Retrieves the capabilities bitfield from the algorithm's interface.
-   *
-   * \param[in] iface   Pointer to the algorithm interface
-   *
-   */
-  vpx_codec_caps_t vpx_codec_get_caps(vpx_codec_iface_t *iface);
+/*!\brief Destroy a codec instance
+ *
+ * Destroys a codec context, freeing any associated memory buffers.
+ *
+ * \param[in] ctx   Pointer to this instance's context
+ *
+ * \retval #VPX_CODEC_OK
+ *     The codec algorithm initialized.
+ * \retval #VPX_CODEC_MEM_ERROR
+ *     Memory allocation failed.
+ */
+vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx);
 
+/*!\brief Get the capabilities of an algorithm.
+ *
+ * Retrieves the capabilities bitfield from the algorithm's interface.
+ *
+ * \param[in] iface   Pointer to the algorithm interface
+ *
+ */
+vpx_codec_caps_t vpx_codec_get_caps(vpx_codec_iface_t *iface);
 
-  /*!\brief Control algorithm
-   *
-   * This function is used to exchange algorithm specific data with the codec
-   * instance. This can be used to implement features specific to a particular
-   * algorithm.
-   *
-   * This wrapper function dispatches the request to the helper function
-   * associated with the given ctrl_id. It tries to call this function
-   * transparently, but will return #VPX_CODEC_ERROR if the request could not
-   * be dispatched.
-   *
-   * Note that this function should not be used directly. Call the
-   * #vpx_codec_control wrapper macro instead.
-   *
-   * \param[in]     ctx              Pointer to this instance's context
-   * \param[in]     ctrl_id          Algorithm specific control identifier
-   *
-   * \retval #VPX_CODEC_OK
-   *     The control request was processed.
-   * \retval #VPX_CODEC_ERROR
-   *     The control request was not processed.
-   * \retval #VPX_CODEC_INVALID_PARAM
-   *     The data was not valid.
-   */
-  vpx_codec_err_t vpx_codec_control_(vpx_codec_ctx_t  *ctx,
-                                     int               ctrl_id,
-                                     ...);
+/*!\brief Control algorithm
+ *
+ * This function is used to exchange algorithm specific data with the codec
+ * instance. This can be used to implement features specific to a particular
+ * algorithm.
+ *
+ * This wrapper function dispatches the request to the helper function
+ * associated with the given ctrl_id. It tries to call this function
+ * transparently, but will return #VPX_CODEC_ERROR if the request could not
+ * be dispatched.
+ *
+ * Note that this function should not be used directly. Call the
+ * #vpx_codec_control wrapper macro instead.
+ *
+ * \param[in]     ctx              Pointer to this instance's context
+ * \param[in]     ctrl_id          Algorithm specific control identifier
+ *
+ * \retval #VPX_CODEC_OK
+ *     The control request was processed.
+ * \retval #VPX_CODEC_ERROR
+ *     The control request was not processed.
+ * \retval #VPX_CODEC_INVALID_PARAM
+ *     The data was not valid.
+ */
+vpx_codec_err_t vpx_codec_control_(vpx_codec_ctx_t *ctx, int ctrl_id, ...);
 #if defined(VPX_DISABLE_CTRL_TYPECHECKS) && VPX_DISABLE_CTRL_TYPECHECKS
-#    define vpx_codec_control(ctx,id,data) vpx_codec_control_(ctx,id,data)
-#    define VPX_CTRL_USE_TYPE(id, typ)
-#    define VPX_CTRL_USE_TYPE_DEPRECATED(id, typ)
-#    define VPX_CTRL_VOID(id, typ)
+#define vpx_codec_control(ctx, id, data) vpx_codec_control_(ctx, id, data)
+#define VPX_CTRL_USE_TYPE(id, typ)
+#define VPX_CTRL_USE_TYPE_DEPRECATED(id, typ)
+#define VPX_CTRL_VOID(id, typ)
 
 #else
-  /*!\brief vpx_codec_control wrapper macro
-   *
-   * This macro allows for type safe conversions across the variadic parameter
-   * to vpx_codec_control_().
-   *
-   * \internal
-   * It works by dispatching the call to the control function through a wrapper
-   * function named with the id parameter.
-   */
-#    define vpx_codec_control(ctx,id,data) vpx_codec_control_##id(ctx,id,data)\
-  /**<\hideinitializer*/
-
+/*!\brief vpx_codec_control wrapper macro
+ *
+ * This macro allows for type safe conversions across the variadic parameter
+ * to vpx_codec_control_().
+ *
+ * \internal
+ * It works by dispatching the call to the control function through a wrapper
+ * function named with the id parameter.
+ */
+#define vpx_codec_control(ctx, id, data) \
+  vpx_codec_control_##id(ctx, id, data) /**<\hideinitializer*/
 
-  /*!\brief vpx_codec_control type definition macro
-   *
-   * This macro allows for type safe conversions across the variadic parameter
-   * to vpx_codec_control_(). It defines the type of the argument for a given
-   * control identifier.
-   *
-   * \internal
-   * It defines a static function with
-   * the correctly typed arguments as a wrapper to the type-unsafe internal
-   * function.
-   */
-#    define VPX_CTRL_USE_TYPE(id, typ) \
-  static vpx_codec_err_t \
-  vpx_codec_control_##id(vpx_codec_ctx_t*, int, typ) UNUSED;\
-  \
-  static vpx_codec_err_t \
-  vpx_codec_control_##id(vpx_codec_ctx_t  *ctx, int ctrl_id, typ data) {\
-    return vpx_codec_control_(ctx, ctrl_id, data);\
+/*!\brief vpx_codec_control type definition macro
+ *
+ * This macro allows for type safe conversions across the variadic parameter
+ * to vpx_codec_control_(). It defines the type of the argument for a given
+ * control identifier.
+ *
+ * \internal
+ * It defines a static function with
+ * the correctly typed arguments as a wrapper to the type-unsafe internal
+ * function.
+ */
+#define VPX_CTRL_USE_TYPE(id, typ)                                           \
+  static vpx_codec_err_t vpx_codec_control_##id(vpx_codec_ctx_t *, int, typ) \
+      UNUSED;                                                                \
+                                                                             \
+  static vpx_codec_err_t vpx_codec_control_##id(vpx_codec_ctx_t *ctx,        \
+                                                int ctrl_id, typ data) {     \
+    return vpx_codec_control_(ctx, ctrl_id, data);                           \
   } /**<\hideinitializer*/
 
-
-  /*!\brief vpx_codec_control deprecated type definition macro
-   *
-   * Like #VPX_CTRL_USE_TYPE, but indicates that the specified control is
-   * deprecated and should not be used. Consult the documentation for your
-   * codec for more information.
-   *
-   * \internal
-   * It defines a static function with the correctly typed arguments as a
-   * wrapper to the type-unsafe internal function.
-   */
-#    define VPX_CTRL_USE_TYPE_DEPRECATED(id, typ) \
-  DECLSPEC_DEPRECATED static vpx_codec_err_t \
-  vpx_codec_control_##id(vpx_codec_ctx_t*, int, typ) DEPRECATED UNUSED;\
-  \
-  DECLSPEC_DEPRECATED static vpx_codec_err_t \
-  vpx_codec_control_##id(vpx_codec_ctx_t  *ctx, int ctrl_id, typ data) {\
-    return vpx_codec_control_(ctx, ctrl_id, data);\
+/*!\brief vpx_codec_control deprecated type definition macro
+ *
+ * Like #VPX_CTRL_USE_TYPE, but indicates that the specified control is
+ * deprecated and should not be used. Consult the documentation for your
+ * codec for more information.
+ *
+ * \internal
+ * It defines a static function with the correctly typed arguments as a
+ * wrapper to the type-unsafe internal function.
+ */
+#define VPX_CTRL_USE_TYPE_DEPRECATED(id, typ)                        \
+  DECLSPEC_DEPRECATED static vpx_codec_err_t vpx_codec_control_##id( \
+      vpx_codec_ctx_t *, int, typ) DEPRECATED UNUSED;                \
+                                                                     \
+  DECLSPEC_DEPRECATED static vpx_codec_err_t vpx_codec_control_##id( \
+      vpx_codec_ctx_t *ctx, int ctrl_id, typ data) {                 \
+    return vpx_codec_control_(ctx, ctrl_id, data);                   \
   } /**<\hideinitializer*/
 
-
-  /*!\brief vpx_codec_control void type definition macro
-   *
-   * This macro allows for type safe conversions across the variadic parameter
-   * to vpx_codec_control_(). It indicates that a given control identifier takes
-   * no argument.
-   *
-   * \internal
-   * It defines a static function without a data argument as a wrapper to the
-   * type-unsafe internal function.
-   */
-#    define VPX_CTRL_VOID(id) \
-  static vpx_codec_err_t \
-  vpx_codec_control_##id(vpx_codec_ctx_t*, int) UNUSED;\
-  \
-  static vpx_codec_err_t \
-  vpx_codec_control_##id(vpx_codec_ctx_t  *ctx, int ctrl_id) {\
-    return vpx_codec_control_(ctx, ctrl_id);\
+/*!\brief vpx_codec_control void type definition macro
+ *
+ * This macro allows for type safe conversions across the variadic parameter
+ * to vpx_codec_control_(). It indicates that a given control identifier takes
+ * no argument.
+ *
+ * \internal
+ * It defines a static function without a data argument as a wrapper to the
+ * type-unsafe internal function.
+ */
+#define VPX_CTRL_VOID(id)                                               \
+  static vpx_codec_err_t vpx_codec_control_##id(vpx_codec_ctx_t *, int) \
+      UNUSED;                                                           \
+                                                                        \
+  static vpx_codec_err_t vpx_codec_control_##id(vpx_codec_ctx_t *ctx,   \
+                                                int ctrl_id) {          \
+    return vpx_codec_control_(ctx, ctrl_id);                            \
   } /**<\hideinitializer*/
 
-
 #endif
 
-
-  /*!\defgroup cap_xma External Memory Allocation Functions
-   *
-   * The following functions are required to be implemented for all codecs
-   * that advertise the VPX_CODEC_CAP_XMA capability. Calling these functions
-   * for codecs that don't advertise this capability will result in an error
-   * code being returned, usually VPX_CODEC_INCAPABLE
-   * @{
-   */
-
-
-  /*!\brief Memory Map Entry
-   *
-   * This structure is used to contain the properties of a memory segment. It
-   * is populated by the codec in the request phase, and by the calling
-   * application once the requested allocation has been performed.
-   */
-  typedef struct vpx_codec_mmap {
-    /*
-     * The following members are set by the codec when requesting a segment
-     */
-    unsigned int   id;     /**< identifier for the segment's contents */
-    unsigned long  sz;     /**< size of the segment, in bytes */
-    unsigned int   align;  /**< required alignment of the segment, in bytes */
-    unsigned int   flags;  /**< bitfield containing segment properties */
-#define VPX_CODEC_MEM_ZERO     0x1  /**< Segment must be zeroed by allocation */
-#define VPX_CODEC_MEM_WRONLY   0x2  /**< Segment need not be readable */
-#define VPX_CODEC_MEM_FAST     0x4  /**< Place in fast memory, if available */
-
-    /* The following members are to be filled in by the allocation function */
-    void          *base;   /**< pointer to the allocated segment */
-    void (*dtor)(struct vpx_codec_mmap *map);         /**< destructor to call */
-    void          *priv;   /**< allocator private storage */
-  } vpx_codec_mmap_t; /**< alias for struct vpx_codec_mmap */
-
-
-  /*!\brief Iterate over the list of segments to allocate.
-   *
-   * Iterates over a list of the segments to allocate. The iterator storage
-   * should be initialized to NULL to start the iteration. Iteration is complete
-   * when this function returns VPX_CODEC_LIST_END. The amount of memory needed to
-   * allocate is dependent upon the size of the encoded stream. In cases where the
-   * stream is not available at allocation time, a fixed size must be requested.
-   * The codec will not be able to operate on streams larger than the size used at
-   * allocation time.
-   *
-   * \param[in]      ctx     Pointer to this instance's context.
-   * \param[out]     mmap    Pointer to the memory map entry to populate.
-   * \param[in,out]  iter    Iterator storage, initialized to NULL
-   *
-   * \retval #VPX_CODEC_OK
-   *     The memory map entry was populated.
-   * \retval #VPX_CODEC_ERROR
-   *     Codec does not support XMA mode.
-   * \retval #VPX_CODEC_MEM_ERROR
-   *     Unable to determine segment size from stream info.
-   */
-  vpx_codec_err_t vpx_codec_get_mem_map(vpx_codec_ctx_t                *ctx,
-                                        vpx_codec_mmap_t               *mmap,
-                                        vpx_codec_iter_t               *iter);
-
-
-  /*!\brief Identify allocated segments to codec instance
-   *
-   * Stores a list of allocated segments in the codec. Segments \ref MUST be
-   * passed in the order they are read from vpx_codec_get_mem_map(), but may be
-   * passed in groups of any size. Segments \ref MUST be set only once. The
-   * allocation function \ref MUST ensure that the vpx_codec_mmap_t::base member
-   * is non-NULL. If the segment requires cleanup handling (e.g., calling free()
-   * or close()) then the vpx_codec_mmap_t::dtor member \ref MUST be populated.
-   *
-   * \param[in]      ctx     Pointer to this instance's context.
-   * \param[in]      mmaps   Pointer to the first memory map entry in the list.
-   * \param[in]      num_maps  Number of entries being set at this time
-   *
-   * \retval #VPX_CODEC_OK
-   *     The segment was stored in the codec context.
-   * \retval #VPX_CODEC_INCAPABLE
-   *     Codec does not support XMA mode.
-   * \retval #VPX_CODEC_MEM_ERROR
-   *     Segment base address was not set, or segment was already stored.
-
-   */
-  vpx_codec_err_t  vpx_codec_set_mem_map(vpx_codec_ctx_t   *ctx,
-                                         vpx_codec_mmap_t  *mmaps,
-                                         unsigned int       num_maps);
-
-  /*!@} - end defgroup cap_xma*/
-  /*!@} - end defgroup codec*/
+/*!@} - end defgroup codec*/
 #ifdef __cplusplus
 }
 #endif
-#endif
-
+#endif  // VPX_VPX_CODEC_H_
diff --git a/protocols/Tox/include/vpx/vpx_decoder.h b/protocols/Tox/include/vpx/vpx_decoder.h
index 2dcd024ccc..2ff12112bc 100644
--- a/protocols/Tox/include/vpx/vpx_decoder.h
+++ b/protocols/Tox/include/vpx/vpx_decoder.h
@@ -7,8 +7,8 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#ifndef VPX_DECODER_H
-#define VPX_DECODER_H
+#ifndef VPX_VPX_DECODER_H_
+#define VPX_VPX_DECODER_H_
 
 /*!\defgroup decoder Decoder Algorithm Interface
  * \ingroup codec
@@ -29,306 +29,337 @@
 extern "C" {
 #endif
 
-#include "vpx_codec.h"
-
-  /*!\brief Current ABI version number
-   *
-   * \internal
-   * If this file is altered in any way that changes the ABI, this value
-   * must be bumped.  Examples include, but are not limited to, changing
-   * types, removing or reassigning enums, adding/removing/rearranging
-   * fields to structures
-   */
-#define VPX_DECODER_ABI_VERSION (2 + VPX_CODEC_ABI_VERSION) /**<\hideinitializer*/
-
-  /*! \brief Decoder capabilities bitfield
-   *
-   *  Each decoder advertises the capabilities it supports as part of its
-   *  ::vpx_codec_iface_t interface structure. Capabilities are extra interfaces
-   *  or functionality, and are not required to be supported by a decoder.
-   *
-   *  The available flags are specified by VPX_CODEC_CAP_* defines.
-   */
-#define VPX_CODEC_CAP_PUT_SLICE  0x10000 /**< Will issue put_slice callbacks */
-#define VPX_CODEC_CAP_PUT_FRAME  0x20000 /**< Will issue put_frame callbacks */
-#define VPX_CODEC_CAP_POSTPROC   0x40000 /**< Can postprocess decoded frame */
-#define VPX_CODEC_CAP_ERROR_CONCEALMENT   0x80000 /**< Can conceal errors due to
-  packet loss */
-#define VPX_CODEC_CAP_INPUT_FRAGMENTS   0x100000 /**< Can receive encoded frames
-  one fragment at a time */
-
-  /*! \brief Initialization-time Feature Enabling
-   *
-   *  Certain codec features must be known at initialization time, to allow for
-   *  proper memory allocation.
-   *
-   *  The available flags are specified by VPX_CODEC_USE_* defines.
-   */
-#define VPX_CODEC_CAP_FRAME_THREADING   0x200000 /**< Can support frame-based
-                                                      multi-threading */
-
-#define VPX_CODEC_USE_POSTPROC   0x10000 /**< Postprocess decoded frame */
-#define VPX_CODEC_USE_ERROR_CONCEALMENT 0x20000 /**< Conceal errors in decoded
-  frames */
-#define VPX_CODEC_USE_INPUT_FRAGMENTS   0x40000 /**< The input frame should be
-  passed to the decoder one
-  fragment at a time */
-#define VPX_CODEC_USE_FRAME_THREADING   0x80000 /**< Enable frame-based
-                                                     multi-threading */
-
-  /*!\brief Stream properties
-   *
-   * This structure is used to query or set properties of the decoded
-   * stream. Algorithms may extend this structure with data specific
-   * to their bitstream by setting the sz member appropriately.
-   */
-  typedef struct vpx_codec_stream_info {
-    unsigned int sz;     /**< Size of this structure */
-    unsigned int w;      /**< Width (or 0 for unknown/default) */
-    unsigned int h;      /**< Height (or 0 for unknown/default) */
-    unsigned int is_kf;  /**< Current frame is a keyframe */
-  } vpx_codec_stream_info_t;
-
-  /* REQUIRED FUNCTIONS
-   *
-   * The following functions are required to be implemented for all decoders.
-   * They represent the base case functionality expected of all decoders.
-   */
+#include "./vpx_codec.h"
+#include "./vpx_frame_buffer.h"
 
+/*!\brief Current ABI version number
+ *
+ * \internal
+ * If this file is altered in any way that changes the ABI, this value
+ * must be bumped.  Examples include, but are not limited to, changing
+ * types, removing or reassigning enums, adding/removing/rearranging
+ * fields to structures
+ */
+#define VPX_DECODER_ABI_VERSION \
+  (3 + VPX_CODEC_ABI_VERSION) /**<\hideinitializer*/
 
-  /*!\brief Initialization Configurations
-   *
-   * This structure is used to pass init time configuration options to the
-   * decoder.
-   */
-  typedef struct vpx_codec_dec_cfg {
-    unsigned int threads; /**< Maximum number of threads to use, default 1 */
-    unsigned int w;      /**< Width */
-    unsigned int h;      /**< Height */
-  } vpx_codec_dec_cfg_t; /**< alias for struct vpx_codec_dec_cfg */
+/*! \brief Decoder capabilities bitfield
+ *
+ *  Each decoder advertises the capabilities it supports as part of its
+ *  ::vpx_codec_iface_t interface structure. Capabilities are extra interfaces
+ *  or functionality, and are not required to be supported by a decoder.
+ *
+ *  The available flags are specified by VPX_CODEC_CAP_* defines.
+ */
+#define VPX_CODEC_CAP_PUT_SLICE 0x10000 /**< Will issue put_slice callbacks */
+#define VPX_CODEC_CAP_PUT_FRAME 0x20000 /**< Will issue put_frame callbacks */
+#define VPX_CODEC_CAP_POSTPROC 0x40000  /**< Can postprocess decoded frame */
+/*!\brief Can conceal errors due to packet loss */
+#define VPX_CODEC_CAP_ERROR_CONCEALMENT 0x80000
+/*!\brief Can receive encoded frames one fragment at a time */
+#define VPX_CODEC_CAP_INPUT_FRAGMENTS 0x100000
+
+/*! \brief Initialization-time Feature Enabling
+ *
+ *  Certain codec features must be known at initialization time, to allow for
+ *  proper memory allocation.
+ *
+ *  The available flags are specified by VPX_CODEC_USE_* defines.
+ */
+/*!\brief Can support frame-based multi-threading */
+#define VPX_CODEC_CAP_FRAME_THREADING 0x200000
+/*!brief Can support external frame buffers */
+#define VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER 0x400000
+
+#define VPX_CODEC_USE_POSTPROC 0x10000 /**< Postprocess decoded frame */
+/*!\brief Conceal errors in decoded frames */
+#define VPX_CODEC_USE_ERROR_CONCEALMENT 0x20000
+/*!\brief The input frame should be passed to the decoder one fragment at a
+ * time */
+#define VPX_CODEC_USE_INPUT_FRAGMENTS 0x40000
+/*!\brief Enable frame-based multi-threading */
+#define VPX_CODEC_USE_FRAME_THREADING 0x80000
+
+/*!\brief Stream properties
+ *
+ * This structure is used to query or set properties of the decoded
+ * stream. Algorithms may extend this structure with data specific
+ * to their bitstream by setting the sz member appropriately.
+ */
+typedef struct vpx_codec_stream_info {
+  unsigned int sz;    /**< Size of this structure */
+  unsigned int w;     /**< Width (or 0 for unknown/default) */
+  unsigned int h;     /**< Height (or 0 for unknown/default) */
+  unsigned int is_kf; /**< Current frame is a keyframe */
+} vpx_codec_stream_info_t;
+
+/* REQUIRED FUNCTIONS
+ *
+ * The following functions are required to be implemented for all decoders.
+ * They represent the base case functionality expected of all decoders.
+ */
 
+/*!\brief Initialization Configurations
+ *
+ * This structure is used to pass init time configuration options to the
+ * decoder.
+ */
+typedef struct vpx_codec_dec_cfg {
+  unsigned int threads; /**< Maximum number of threads to use, default 1 */
+  unsigned int w;       /**< Width */
+  unsigned int h;       /**< Height */
+} vpx_codec_dec_cfg_t;  /**< alias for struct vpx_codec_dec_cfg */
 
-  /*!\brief Initialize a decoder instance
-   *
-   * Initializes a decoder context using the given interface. Applications
-   * should call the vpx_codec_dec_init convenience macro instead of this
-   * function directly, to ensure that the ABI version number parameter
-   * is properly initialized.
-   *
-   * If the library was configured with --disable-multithread, this call
-   * is not thread safe and should be guarded with a lock if being used
-   * in a multithreaded context.
-   *
-   * In XMA mode (activated by setting VPX_CODEC_USE_XMA in the flags
-   * parameter), the storage pointed to by the cfg parameter must be
-   * kept readable and stable until all memory maps have been set.
-   *
-   * \param[in]    ctx     Pointer to this instance's context.
-   * \param[in]    iface   Pointer to the algorithm interface to use.
-   * \param[in]    cfg     Configuration to use, if known. May be NULL.
-   * \param[in]    flags   Bitfield of VPX_CODEC_USE_* flags
-   * \param[in]    ver     ABI version number. Must be set to
-   *                       VPX_DECODER_ABI_VERSION
-   * \retval #VPX_CODEC_OK
-   *     The decoder algorithm initialized.
-   * \retval #VPX_CODEC_MEM_ERROR
-   *     Memory allocation failed.
-   */
-  vpx_codec_err_t vpx_codec_dec_init_ver(vpx_codec_ctx_t      *ctx,
-                                         vpx_codec_iface_t    *iface,
-                                         vpx_codec_dec_cfg_t  *cfg,
-                                         vpx_codec_flags_t     flags,
-                                         int                   ver);
+/*!\brief Initialize a decoder instance
+ *
+ * Initializes a decoder context using the given interface. Applications
+ * should call the vpx_codec_dec_init convenience macro instead of this
+ * function directly, to ensure that the ABI version number parameter
+ * is properly initialized.
+ *
+ * If the library was configured with --disable-multithread, this call
+ * is not thread safe and should be guarded with a lock if being used
+ * in a multithreaded context.
+ *
+ * \param[in]    ctx     Pointer to this instance's context.
+ * \param[in]    iface   Pointer to the algorithm interface to use.
+ * \param[in]    cfg     Configuration to use, if known. May be NULL.
+ * \param[in]    flags   Bitfield of VPX_CODEC_USE_* flags
+ * \param[in]    ver     ABI version number. Must be set to
+ *                       VPX_DECODER_ABI_VERSION
+ * \retval #VPX_CODEC_OK
+ *     The decoder algorithm initialized.
+ * \retval #VPX_CODEC_MEM_ERROR
+ *     Memory allocation failed.
+ */
+vpx_codec_err_t vpx_codec_dec_init_ver(vpx_codec_ctx_t *ctx,
+                                       vpx_codec_iface_t *iface,
+                                       const vpx_codec_dec_cfg_t *cfg,
+                                       vpx_codec_flags_t flags, int ver);
 
-  /*!\brief Convenience macro for vpx_codec_dec_init_ver()
-   *
-   * Ensures the ABI version parameter is properly set.
-   */
+/*!\brief Convenience macro for vpx_codec_dec_init_ver()
+ *
+ * Ensures the ABI version parameter is properly set.
+ */
 #define vpx_codec_dec_init(ctx, iface, cfg, flags) \
   vpx_codec_dec_init_ver(ctx, iface, cfg, flags, VPX_DECODER_ABI_VERSION)
 
+/*!\brief Parse stream info from a buffer
+ *
+ * Performs high level parsing of the bitstream. Construction of a decoder
+ * context is not necessary. Can be used to determine if the bitstream is
+ * of the proper format, and to extract information from the stream.
+ *
+ * \param[in]      iface   Pointer to the algorithm interface
+ * \param[in]      data    Pointer to a block of data to parse
+ * \param[in]      data_sz Size of the data buffer
+ * \param[in,out]  si      Pointer to stream info to update. The size member
+ *                         \ref MUST be properly initialized, but \ref MAY be
+ *                         clobbered by the algorithm. This parameter \ref MAY
+ *                         be NULL.
+ *
+ * \retval #VPX_CODEC_OK
+ *     Bitstream is parsable and stream information updated
+ */
+vpx_codec_err_t vpx_codec_peek_stream_info(vpx_codec_iface_t *iface,
+                                           const uint8_t *data,
+                                           unsigned int data_sz,
+                                           vpx_codec_stream_info_t *si);
 
-  /*!\brief Parse stream info from a buffer
-   *
-   * Performs high level parsing of the bitstream. Construction of a decoder
-   * context is not necessary. Can be used to determine if the bitstream is
-   * of the proper format, and to extract information from the stream.
-   *
-   * \param[in]      iface   Pointer to the algorithm interface
-   * \param[in]      data    Pointer to a block of data to parse
-   * \param[in]      data_sz Size of the data buffer
-   * \param[in,out]  si      Pointer to stream info to update. The size member
-   *                         \ref MUST be properly initialized, but \ref MAY be
-   *                         clobbered by the algorithm. This parameter \ref MAY
-   *                         be NULL.
-   *
-   * \retval #VPX_CODEC_OK
-   *     Bitstream is parsable and stream information updated
-   */
-  vpx_codec_err_t vpx_codec_peek_stream_info(vpx_codec_iface_t       *iface,
-                                             const uint8_t           *data,
-                                             unsigned int             data_sz,
-                                             vpx_codec_stream_info_t *si);
-
-
-  /*!\brief Return information about the current stream.
-   *
-   * Returns information about the stream that has been parsed during decoding.
-   *
-   * \param[in]      ctx     Pointer to this instance's context
-   * \param[in,out]  si      Pointer to stream info to update. The size member
-   *                         \ref MUST be properly initialized, but \ref MAY be
-   *                         clobbered by the algorithm. This parameter \ref MAY
-   *                         be NULL.
-   *
-   * \retval #VPX_CODEC_OK
-   *     Bitstream is parsable and stream information updated
-   */
-  vpx_codec_err_t vpx_codec_get_stream_info(vpx_codec_ctx_t         *ctx,
-                                            vpx_codec_stream_info_t *si);
-
-
-  /*!\brief Decode data
-   *
-   * Processes a buffer of coded data. If the processing results in a new
-   * decoded frame becoming available, PUT_SLICE and PUT_FRAME events may be
-   * generated, as appropriate. Encoded data \ref MUST be passed in DTS (decode
-   * time stamp) order. Frames produced will always be in PTS (presentation
-   * time stamp) order.
-   * If the decoder is configured with VPX_CODEC_USE_INPUT_FRAGMENTS enabled,
-   * data and data_sz can contain a fragment of the encoded frame. Fragment
-   * \#n must contain at least partition \#n, but can also contain subsequent
-   * partitions (\#n+1 - \#n+i), and if so, fragments \#n+1, .., \#n+i must
-   * be empty. When no more data is available, this function should be called
-   * with NULL as data and 0 as data_sz. The memory passed to this function
-   * must be available until the frame has been decoded.
-   *
-   * \param[in] ctx          Pointer to this instance's context
-   * \param[in] data         Pointer to this block of new coded data. If
-   *                         NULL, a VPX_CODEC_CB_PUT_FRAME event is posted
-   *                         for the previously decoded frame.
-   * \param[in] data_sz      Size of the coded data, in bytes.
-   * \param[in] user_priv    Application specific data to associate with
-   *                         this frame.
-   * \param[in] deadline     Soft deadline the decoder should attempt to meet,
-   *                         in us. Set to zero for unlimited.
-   *
-   * \return Returns #VPX_CODEC_OK if the coded data was processed completely
-   *         and future pictures can be decoded without error. Otherwise,
-   *         see the descriptions of the other error codes in ::vpx_codec_err_t
-   *         for recoverability capabilities.
-   */
-  vpx_codec_err_t vpx_codec_decode(vpx_codec_ctx_t    *ctx,
-                                   const uint8_t        *data,
-                                   unsigned int            data_sz,
-                                   void               *user_priv,
-                                   long                deadline);
-
-
-  /*!\brief Decoded frames iterator
-   *
-   * Iterates over a list of the frames available for display. The iterator
-   * storage should be initialized to NULL to start the iteration. Iteration is
-   * complete when this function returns NULL.
-   *
-   * The list of available frames becomes valid upon completion of the
-   * vpx_codec_decode call, and remains valid until the next call to vpx_codec_decode.
-   *
-   * \param[in]     ctx      Pointer to this instance's context
-   * \param[in,out] iter     Iterator storage, initialized to NULL
-   *
-   * \return Returns a pointer to an image, if one is ready for display. Frames
-   *         produced will always be in PTS (presentation time stamp) order.
-   */
-  vpx_image_t *vpx_codec_get_frame(vpx_codec_ctx_t  *ctx,
-                                   vpx_codec_iter_t *iter);
+/*!\brief Return information about the current stream.
+ *
+ * Returns information about the stream that has been parsed during decoding.
+ *
+ * \param[in]      ctx     Pointer to this instance's context
+ * \param[in,out]  si      Pointer to stream info to update. The size member
+ *                         \ref MUST be properly initialized, but \ref MAY be
+ *                         clobbered by the algorithm. This parameter \ref MAY
+ *                         be NULL.
+ *
+ * \retval #VPX_CODEC_OK
+ *     Bitstream is parsable and stream information updated
+ */
+vpx_codec_err_t vpx_codec_get_stream_info(vpx_codec_ctx_t *ctx,
+                                          vpx_codec_stream_info_t *si);
 
+/*!\brief Decode data
+ *
+ * Processes a buffer of coded data. If the processing results in a new
+ * decoded frame becoming available, PUT_SLICE and PUT_FRAME events may be
+ * generated, as appropriate. Encoded data \ref MUST be passed in DTS (decode
+ * time stamp) order. Frames produced will always be in PTS (presentation
+ * time stamp) order.
+ * If the decoder is configured with VPX_CODEC_USE_INPUT_FRAGMENTS enabled,
+ * data and data_sz can contain a fragment of the encoded frame. Fragment
+ * \#n must contain at least partition \#n, but can also contain subsequent
+ * partitions (\#n+1 - \#n+i), and if so, fragments \#n+1, .., \#n+i must
+ * be empty. When no more data is available, this function should be called
+ * with NULL as data and 0 as data_sz. The memory passed to this function
+ * must be available until the frame has been decoded.
+ *
+ * \param[in] ctx          Pointer to this instance's context
+ * \param[in] data         Pointer to this block of new coded data. If
+ *                         NULL, a VPX_CODEC_CB_PUT_FRAME event is posted
+ *                         for the previously decoded frame.
+ * \param[in] data_sz      Size of the coded data, in bytes.
+ * \param[in] user_priv    Application specific data to associate with
+ *                         this frame.
+ * \param[in] deadline     Soft deadline the decoder should attempt to meet,
+ *                         in us. Set to zero for unlimited.
+ *
+ * \return Returns #VPX_CODEC_OK if the coded data was processed completely
+ *         and future pictures can be decoded without error. Otherwise,
+ *         see the descriptions of the other error codes in ::vpx_codec_err_t
+ *         for recoverability capabilities.
+ */
+vpx_codec_err_t vpx_codec_decode(vpx_codec_ctx_t *ctx, const uint8_t *data,
+                                 unsigned int data_sz, void *user_priv,
+                                 long deadline);
 
-  /*!\defgroup cap_put_frame Frame-Based Decoding Functions
-   *
-   * The following functions are required to be implemented for all decoders
-   * that advertise the VPX_CODEC_CAP_PUT_FRAME capability. Calling these functions
-   * for codecs that don't advertise this capability will result in an error
-   * code being returned, usually VPX_CODEC_ERROR
-   * @{
-   */
+/*!\brief Decoded frames iterator
+ *
+ * Iterates over a list of the frames available for display. The iterator
+ * storage should be initialized to NULL to start the iteration. Iteration is
+ * complete when this function returns NULL.
+ *
+ * The list of available frames becomes valid upon completion of the
+ * vpx_codec_decode call, and remains valid until the next call to
+ * vpx_codec_decode.
+ *
+ * \param[in]     ctx      Pointer to this instance's context
+ * \param[in,out] iter     Iterator storage, initialized to NULL
+ *
+ * \return Returns a pointer to an image, if one is ready for display. Frames
+ *         produced will always be in PTS (presentation time stamp) order.
+ */
+vpx_image_t *vpx_codec_get_frame(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter);
 
-  /*!\brief put frame callback prototype
-   *
-   * This callback is invoked by the decoder to notify the application of
-   * the availability of decoded image data.
-   */
-  typedef void (*vpx_codec_put_frame_cb_fn_t)(void        *user_priv,
-                                              const vpx_image_t *img);
+/*!\defgroup cap_put_frame Frame-Based Decoding Functions
+ *
+ * The following functions are required to be implemented for all decoders
+ * that advertise the VPX_CODEC_CAP_PUT_FRAME capability. Calling these
+ * functions
+ * for codecs that don't advertise this capability will result in an error
+ * code being returned, usually VPX_CODEC_ERROR
+ * @{
+ */
 
+/*!\brief put frame callback prototype
+ *
+ * This callback is invoked by the decoder to notify the application of
+ * the availability of decoded image data.
+ */
+typedef void (*vpx_codec_put_frame_cb_fn_t)(void *user_priv,
+                                            const vpx_image_t *img);
 
-  /*!\brief Register for notification of frame completion.
-   *
-   * Registers a given function to be called when a decoded frame is
-   * available.
-   *
-   * \param[in] ctx          Pointer to this instance's context
-   * \param[in] cb           Pointer to the callback function
-   * \param[in] user_priv    User's private data
-   *
-   * \retval #VPX_CODEC_OK
-   *     Callback successfully registered.
-   * \retval #VPX_CODEC_ERROR
-   *     Decoder context not initialized, or algorithm not capable of
-   *     posting slice completion.
-   */
-  vpx_codec_err_t vpx_codec_register_put_frame_cb(vpx_codec_ctx_t             *ctx,
-                                                  vpx_codec_put_frame_cb_fn_t  cb,
-                                                  void                        *user_priv);
+/*!\brief Register for notification of frame completion.
+ *
+ * Registers a given function to be called when a decoded frame is
+ * available.
+ *
+ * \param[in] ctx          Pointer to this instance's context
+ * \param[in] cb           Pointer to the callback function
+ * \param[in] user_priv    User's private data
+ *
+ * \retval #VPX_CODEC_OK
+ *     Callback successfully registered.
+ * \retval #VPX_CODEC_ERROR
+ *     Decoder context not initialized, or algorithm not capable of
+ *     posting slice completion.
+ */
+vpx_codec_err_t vpx_codec_register_put_frame_cb(vpx_codec_ctx_t *ctx,
+                                                vpx_codec_put_frame_cb_fn_t cb,
+                                                void *user_priv);
 
+/*!@} - end defgroup cap_put_frame */
 
-  /*!@} - end defgroup cap_put_frame */
+/*!\defgroup cap_put_slice Slice-Based Decoding Functions
+ *
+ * The following functions are required to be implemented for all decoders
+ * that advertise the VPX_CODEC_CAP_PUT_SLICE capability. Calling these
+ * functions
+ * for codecs that don't advertise this capability will result in an error
+ * code being returned, usually VPX_CODEC_ERROR
+ * @{
+ */
 
-  /*!\defgroup cap_put_slice Slice-Based Decoding Functions
-   *
-   * The following functions are required to be implemented for all decoders
-   * that advertise the VPX_CODEC_CAP_PUT_SLICE capability. Calling these functions
-   * for codecs that don't advertise this capability will result in an error
-   * code being returned, usually VPX_CODEC_ERROR
-   * @{
-   */
+/*!\brief put slice callback prototype
+ *
+ * This callback is invoked by the decoder to notify the application of
+ * the availability of partially decoded image data. The
+ */
+typedef void (*vpx_codec_put_slice_cb_fn_t)(void *user_priv,
+                                            const vpx_image_t *img,
+                                            const vpx_image_rect_t *valid,
+                                            const vpx_image_rect_t *update);
 
-  /*!\brief put slice callback prototype
-   *
-   * This callback is invoked by the decoder to notify the application of
-   * the availability of partially decoded image data. The
-   */
-  typedef void (*vpx_codec_put_slice_cb_fn_t)(void         *user_priv,
-                                              const vpx_image_t      *img,
-                                              const vpx_image_rect_t *valid,
-                                              const vpx_image_rect_t *update);
+/*!\brief Register for notification of slice completion.
+ *
+ * Registers a given function to be called when a decoded slice is
+ * available.
+ *
+ * \param[in] ctx          Pointer to this instance's context
+ * \param[in] cb           Pointer to the callback function
+ * \param[in] user_priv    User's private data
+ *
+ * \retval #VPX_CODEC_OK
+ *     Callback successfully registered.
+ * \retval #VPX_CODEC_ERROR
+ *     Decoder context not initialized, or algorithm not capable of
+ *     posting slice completion.
+ */
+vpx_codec_err_t vpx_codec_register_put_slice_cb(vpx_codec_ctx_t *ctx,
+                                                vpx_codec_put_slice_cb_fn_t cb,
+                                                void *user_priv);
 
+/*!@} - end defgroup cap_put_slice*/
 
-  /*!\brief Register for notification of slice completion.
-   *
-   * Registers a given function to be called when a decoded slice is
-   * available.
-   *
-   * \param[in] ctx          Pointer to this instance's context
-   * \param[in] cb           Pointer to the callback function
-   * \param[in] user_priv    User's private data
-   *
-   * \retval #VPX_CODEC_OK
-   *     Callback successfully registered.
-   * \retval #VPX_CODEC_ERROR
-   *     Decoder context not initialized, or algorithm not capable of
-   *     posting slice completion.
-   */
-  vpx_codec_err_t vpx_codec_register_put_slice_cb(vpx_codec_ctx_t             *ctx,
-                                                  vpx_codec_put_slice_cb_fn_t  cb,
-                                                  void                        *user_priv);
+/*!\defgroup cap_external_frame_buffer External Frame Buffer Functions
+ *
+ * The following section is required to be implemented for all decoders
+ * that advertise the VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER capability.
+ * Calling this function for codecs that don't advertise this capability
+ * will result in an error code being returned, usually VPX_CODEC_ERROR.
+ *
+ * \note
+ * Currently this only works with VP9.
+ * @{
+ */
 
+/*!\brief Pass in external frame buffers for the decoder to use.
+ *
+ * Registers functions to be called when libvpx needs a frame buffer
+ * to decode the current frame and a function to be called when libvpx does
+ * not internally reference the frame buffer. This set function must
+ * be called before the first call to decode or libvpx will assume the
+ * default behavior of allocating frame buffers internally.
+ *
+ * \param[in] ctx          Pointer to this instance's context
+ * \param[in] cb_get       Pointer to the get callback function
+ * \param[in] cb_release   Pointer to the release callback function
+ * \param[in] cb_priv      Callback's private data
+ *
+ * \retval #VPX_CODEC_OK
+ *     External frame buffers will be used by libvpx.
+ * \retval #VPX_CODEC_INVALID_PARAM
+ *     One or more of the callbacks were NULL.
+ * \retval #VPX_CODEC_ERROR
+ *     Decoder context not initialized, or algorithm not capable of
+ *     using external frame buffers.
+ *
+ * \note
+ * When decoding VP9, the application may be required to pass in at least
+ * #VP9_MAXIMUM_REF_BUFFERS + #VPX_MAXIMUM_WORK_BUFFERS external frame
+ * buffers.
+ */
+vpx_codec_err_t vpx_codec_set_frame_buffer_functions(
+    vpx_codec_ctx_t *ctx, vpx_get_frame_buffer_cb_fn_t cb_get,
+    vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv);
 
-  /*!@} - end defgroup cap_put_slice*/
+/*!@} - end defgroup cap_external_frame_buffer */
 
-  /*!@} - end defgroup decoder*/
+/*!@} - end defgroup decoder*/
 #ifdef __cplusplus
 }
 #endif
-#endif
-
+#endif  // VPX_VPX_DECODER_H_
diff --git a/protocols/Tox/include/vpx/vpx_encoder.h b/protocols/Tox/include/vpx/vpx_encoder.h
index 56752cfcfb..28fcd5f999 100644
--- a/protocols/Tox/include/vpx/vpx_encoder.h
+++ b/protocols/Tox/include/vpx/vpx_encoder.h
@@ -7,8 +7,8 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#ifndef VPX_ENCODER_H
-#define VPX_ENCODER_H
+#ifndef VPX_VPX_ENCODER_H_
+#define VPX_VPX_ENCODER_H_
 
 /*!\defgroup encoder Encoder Algorithm Interface
  * \ingroup codec
@@ -29,908 +29,952 @@
 extern "C" {
 #endif
 
-#include "vpx_codec.h"
+#include "./vpx_codec.h"
 
-  /*! Temporal Scalability: Maximum length of the sequence defining frame
-   * layer membership
-   */
+/*! Temporal Scalability: Maximum length of the sequence defining frame
+ * layer membership
+ */
 #define VPX_TS_MAX_PERIODICITY 16
 
-  /*! Temporal Scalability: Maximum number of coding layers */
-#define VPX_TS_MAX_LAYERS       5
+/*! Temporal Scalability: Maximum number of coding layers */
+#define VPX_TS_MAX_LAYERS 5
 
-  /*!\deprecated Use #VPX_TS_MAX_PERIODICITY instead. */
+/*!\deprecated Use #VPX_TS_MAX_PERIODICITY instead. */
 #define MAX_PERIODICITY VPX_TS_MAX_PERIODICITY
 
-  /*!\deprecated Use #VPX_TS_MAX_LAYERS instead. */
-#define MAX_LAYERS      VPX_TS_MAX_LAYERS
+/*! Temporal+Spatial Scalability: Maximum number of coding layers */
+#define VPX_MAX_LAYERS 12  // 3 temporal + 4 spatial layers are allowed.
+
+/*!\deprecated Use #VPX_MAX_LAYERS instead. */
+#define MAX_LAYERS VPX_MAX_LAYERS  // 3 temporal + 4 spatial layers allowed.
 
 /*! Spatial Scalability: Maximum number of coding layers */
-#define VPX_SS_MAX_LAYERS       5
+#define VPX_SS_MAX_LAYERS 5
 
 /*! Spatial Scalability: Default number of coding layers */
-#define VPX_SS_DEFAULT_LAYERS       3
+#define VPX_SS_DEFAULT_LAYERS 1
 
-  /*!\brief Current ABI version number
-   *
-   * \internal
-   * If this file is altered in any way that changes the ABI, this value
-   * must be bumped.  Examples include, but are not limited to, changing
-   * types, removing or reassigning enums, adding/removing/rearranging
-   * fields to structures
-   */
-#define VPX_ENCODER_ABI_VERSION (3 + VPX_CODEC_ABI_VERSION) /**<\hideinitializer*/
+/*!\brief Current ABI version number
+ *
+ * \internal
+ * If this file is altered in any way that changes the ABI, this value
+ * must be bumped.  Examples include, but are not limited to, changing
+ * types, removing or reassigning enums, adding/removing/rearranging
+ * fields to structures
+ */
+#define VPX_ENCODER_ABI_VERSION \
+  (5 + VPX_CODEC_ABI_VERSION) /**<\hideinitializer*/
 
+/*! \brief Encoder capabilities bitfield
+ *
+ *  Each encoder advertises the capabilities it supports as part of its
+ *  ::vpx_codec_iface_t interface structure. Capabilities are extra
+ *  interfaces or functionality, and are not required to be supported
+ *  by an encoder.
+ *
+ *  The available flags are specified by VPX_CODEC_CAP_* defines.
+ */
+#define VPX_CODEC_CAP_PSNR 0x10000 /**< Can issue PSNR packets */
 
-  /*! \brief Encoder capabilities bitfield
-   *
-   *  Each encoder advertises the capabilities it supports as part of its
-   *  ::vpx_codec_iface_t interface structure. Capabilities are extra
-   *  interfaces or functionality, and are not required to be supported
-   *  by an encoder.
-   *
-   *  The available flags are specified by VPX_CODEC_CAP_* defines.
-   */
-#define VPX_CODEC_CAP_PSNR  0x10000 /**< Can issue PSNR packets */
+/*! Can output one partition at a time. Each partition is returned in its
+ *  own VPX_CODEC_CX_FRAME_PKT, with the FRAME_IS_FRAGMENT flag set for
+ *  every partition but the last. In this mode all frames are always
+ *  returned partition by partition.
+ */
+#define VPX_CODEC_CAP_OUTPUT_PARTITION 0x20000
 
-  /*! Can output one partition at a time. Each partition is returned in its
-   *  own VPX_CODEC_CX_FRAME_PKT, with the FRAME_IS_FRAGMENT flag set for
-   *  every partition but the last. In this mode all frames are always
-   *  returned partition by partition.
-   */
-#define VPX_CODEC_CAP_OUTPUT_PARTITION  0x20000
+/*! Can support input images at greater than 8 bitdepth.
+ */
+#define VPX_CODEC_CAP_HIGHBITDEPTH 0x40000
+
+/*! \brief Initialization-time Feature Enabling
+ *
+ *  Certain codec features must be known at initialization time, to allow
+ *  for proper memory allocation.
+ *
+ *  The available flags are specified by VPX_CODEC_USE_* defines.
+ */
+#define VPX_CODEC_USE_PSNR 0x10000 /**< Calculate PSNR on each frame */
+/*!\brief Make the encoder output one  partition at a time. */
+#define VPX_CODEC_USE_OUTPUT_PARTITION 0x20000
+#define VPX_CODEC_USE_HIGHBITDEPTH 0x40000 /**< Use high bitdepth */
 
+/*!\brief Generic fixed size buffer structure
+ *
+ * This structure is able to hold a reference to any fixed size buffer.
+ */
+typedef struct vpx_fixed_buf {
+  void *buf;       /**< Pointer to the data */
+  size_t sz;       /**< Length of the buffer, in chars */
+} vpx_fixed_buf_t; /**< alias for struct vpx_fixed_buf */
 
-  /*! \brief Initialization-time Feature Enabling
-   *
-   *  Certain codec features must be known at initialization time, to allow
-   *  for proper memory allocation.
-   *
-   *  The available flags are specified by VPX_CODEC_USE_* defines.
-   */
-#define VPX_CODEC_USE_PSNR  0x10000 /**< Calculate PSNR on each frame */
-#define VPX_CODEC_USE_OUTPUT_PARTITION  0x20000 /**< Make the encoder output one
-  partition at a time. */
+/*!\brief Time Stamp Type
+ *
+ * An integer, which when multiplied by the stream's time base, provides
+ * the absolute time of a sample.
+ */
+typedef int64_t vpx_codec_pts_t;
 
+/*!\brief Compressed Frame Flags
+ *
+ * This type represents a bitfield containing information about a compressed
+ * frame that may be useful to an application. The most significant 16 bits
+ * can be used by an algorithm to provide additional detail, for example to
+ * support frame types that are codec specific (MPEG-1 D-frames for example)
+ */
+typedef uint32_t vpx_codec_frame_flags_t;
+#define VPX_FRAME_IS_KEY 0x1 /**< frame is the start of a GOP */
+/*!\brief frame can be dropped without affecting the stream (no future frame
+ * depends on this one) */
+#define VPX_FRAME_IS_DROPPABLE 0x2
+/*!\brief frame should be decoded but will not be shown */
+#define VPX_FRAME_IS_INVISIBLE 0x4
+/*!\brief this is a fragment of the encoded frame */
+#define VPX_FRAME_IS_FRAGMENT 0x8
+
+/*!\brief Error Resilient flags
+ *
+ * These flags define which error resilient features to enable in the
+ * encoder. The flags are specified through the
+ * vpx_codec_enc_cfg::g_error_resilient variable.
+ */
+typedef uint32_t vpx_codec_er_flags_t;
+/*!\brief Improve resiliency against losses of whole frames */
+#define VPX_ERROR_RESILIENT_DEFAULT 0x1
+/*!\brief The frame partitions are independently decodable by the bool decoder,
+ * meaning that partitions can be decoded even though earlier partitions have
+ * been lost. Note that intra prediction is still done over the partition
+ * boundary. */
+#define VPX_ERROR_RESILIENT_PARTITIONS 0x2
+
+/*!\brief Encoder output packet variants
+ *
+ * This enumeration lists the different kinds of data packets that can be
+ * returned by calls to vpx_codec_get_cx_data(). Algorithms \ref MAY
+ * extend this list to provide additional functionality.
+ */
+enum vpx_codec_cx_pkt_kind {
+  VPX_CODEC_CX_FRAME_PKT,   /**< Compressed video frame */
+  VPX_CODEC_STATS_PKT,      /**< Two-pass statistics for this frame */
+  VPX_CODEC_FPMB_STATS_PKT, /**< first pass mb statistics for this frame */
+  VPX_CODEC_PSNR_PKT,       /**< PSNR statistics for this frame */
+// Spatial SVC is still experimental and may be removed before the next ABI
+// bump.
+#if VPX_ENCODER_ABI_VERSION > (5 + VPX_CODEC_ABI_VERSION)
+  VPX_CODEC_SPATIAL_SVC_LAYER_SIZES, /**< Sizes for each layer in this frame*/
+  VPX_CODEC_SPATIAL_SVC_LAYER_PSNR,  /**< PSNR for each layer in this frame*/
+#endif
+  VPX_CODEC_CUSTOM_PKT = 256 /**< Algorithm extensions  */
+};
 
-  /*!\brief Generic fixed size buffer structure
-   *
-   * This structure is able to hold a reference to any fixed size buffer.
-   */
-  typedef struct vpx_fixed_buf {
-    void          *buf; /**< Pointer to the data */
-    size_t         sz;  /**< Length of the buffer, in chars */
-  } vpx_fixed_buf_t; /**< alias for struct vpx_fixed_buf */
+/*!\brief Encoder output packet
+ *
+ * This structure contains the different kinds of output data the encoder
+ * may produce while compressing a frame.
+ */
+typedef struct vpx_codec_cx_pkt {
+  enum vpx_codec_cx_pkt_kind kind; /**< packet variant */
+  union {
+    struct {
+      void *buf; /**< compressed data buffer */
+      size_t sz; /**< length of compressed data */
+      /*!\brief time stamp to show frame (in timebase units) */
+      vpx_codec_pts_t pts;
+      /*!\brief duration to show frame (in timebase units) */
+      unsigned long duration;
+      vpx_codec_frame_flags_t flags; /**< flags for this frame */
+      /*!\brief the partition id defines the decoding order of the partitions.
+       * Only applicable when "output partition" mode is enabled. First
+       * partition has id 0.*/
+      int partition_id;
+    } frame;                            /**< data for compressed frame packet */
+    vpx_fixed_buf_t twopass_stats;      /**< data for two-pass packet */
+    vpx_fixed_buf_t firstpass_mb_stats; /**< first pass mb packet */
+    struct vpx_psnr_pkt {
+      unsigned int samples[4]; /**< Number of samples, total/y/u/v */
+      uint64_t sse[4];         /**< sum squared error, total/y/u/v */
+      double psnr[4];          /**< PSNR, total/y/u/v */
+    } psnr;                    /**< data for PSNR packet */
+    vpx_fixed_buf_t raw;       /**< data for arbitrary packets */
+// Spatial SVC is still experimental and may be removed before the next
+// ABI bump.
+#if VPX_ENCODER_ABI_VERSION > (5 + VPX_CODEC_ABI_VERSION)
+    size_t layer_sizes[VPX_SS_MAX_LAYERS];
+    struct vpx_psnr_pkt layer_psnr[VPX_SS_MAX_LAYERS];
+#endif
 
+    /* This packet size is fixed to allow codecs to extend this
+     * interface without having to manage storage for raw packets,
+     * i.e., if it's smaller than 128 bytes, you can store in the
+     * packet list directly.
+     */
+    char pad[128 - sizeof(enum vpx_codec_cx_pkt_kind)]; /**< fixed sz */
+  } data;                                               /**< packet data */
+} vpx_codec_cx_pkt_t; /**< alias for struct vpx_codec_cx_pkt */
 
-  /*!\brief Time Stamp Type
-   *
-   * An integer, which when multiplied by the stream's time base, provides
-   * the absolute time of a sample.
-   */
-  typedef int64_t vpx_codec_pts_t;
+/*!\brief Encoder return output buffer callback
+ *
+ * This callback function, when registered, returns with packets when each
+ * spatial layer is encoded.
+ */
+// putting the definitions here for now. (agrange: find if there
+// is a better place for this)
+typedef void (*vpx_codec_enc_output_cx_pkt_cb_fn_t)(vpx_codec_cx_pkt_t *pkt,
+                                                    void *user_data);
+
+/*!\brief Callback function pointer / user data pair storage */
+typedef struct vpx_codec_enc_output_cx_cb_pair {
+  vpx_codec_enc_output_cx_pkt_cb_fn_t output_cx_pkt; /**< Callback function */
+  void *user_priv; /**< Pointer to private data */
+} vpx_codec_priv_output_cx_pkt_cb_pair_t;
+
+/*!\brief Rational Number
+ *
+ * This structure holds a fractional value.
+ */
+typedef struct vpx_rational {
+  int num;        /**< fraction numerator */
+  int den;        /**< fraction denominator */
+} vpx_rational_t; /**< alias for struct vpx_rational */
+
+/*!\brief Multi-pass Encoding Pass */
+enum vpx_enc_pass {
+  VPX_RC_ONE_PASS,   /**< Single pass mode */
+  VPX_RC_FIRST_PASS, /**< First pass of multi-pass mode */
+  VPX_RC_LAST_PASS   /**< Final pass of multi-pass mode */
+};
+
+/*!\brief Rate control mode */
+enum vpx_rc_mode {
+  VPX_VBR, /**< Variable Bit Rate (VBR) mode */
+  VPX_CBR, /**< Constant Bit Rate (CBR) mode */
+  VPX_CQ,  /**< Constrained Quality (CQ)  mode */
+  VPX_Q,   /**< Constant Quality (Q) mode */
+};
+
+/*!\brief Keyframe placement mode.
+ *
+ * This enumeration determines whether keyframes are placed automatically by
+ * the encoder or whether this behavior is disabled. Older releases of this
+ * SDK were implemented such that VPX_KF_FIXED meant keyframes were disabled.
+ * This name is confusing for this behavior, so the new symbols to be used
+ * are VPX_KF_AUTO and VPX_KF_DISABLED.
+ */
+enum vpx_kf_mode {
+  VPX_KF_FIXED,       /**< deprecated, implies VPX_KF_DISABLED */
+  VPX_KF_AUTO,        /**< Encoder determines optimal placement automatically */
+  VPX_KF_DISABLED = 0 /**< Encoder does not place keyframes. */
+};
 
+/*!\brief Encoded Frame Flags
+ *
+ * This type indicates a bitfield to be passed to vpx_codec_encode(), defining
+ * per-frame boolean values. By convention, bits common to all codecs will be
+ * named VPX_EFLAG_*, and bits specific to an algorithm will be named
+ * /algo/_eflag_*. The lower order 16 bits are reserved for common use.
+ */
+typedef long vpx_enc_frame_flags_t;
+#define VPX_EFLAG_FORCE_KF (1 << 0) /**< Force this frame to be a keyframe */
 
-  /*!\brief Compressed Frame Flags
-   *
-   * This type represents a bitfield containing information about a compressed
-   * frame that may be useful to an application. The most significant 16 bits
-   * can be used by an algorithm to provide additional detail, for example to
-   * support frame types that are codec specific (MPEG-1 D-frames for example)
+/*!\brief Encoder configuration structure
+ *
+ * This structure contains the encoder settings that have common representations
+ * across all codecs. This doesn't imply that all codecs support all features,
+ * however.
+ */
+typedef struct vpx_codec_enc_cfg {
+  /*
+   * generic settings (g)
    */
-  typedef uint32_t vpx_codec_frame_flags_t;
-#define VPX_FRAME_IS_KEY       0x1 /**< frame is the start of a GOP */
-#define VPX_FRAME_IS_DROPPABLE 0x2 /**< frame can be dropped without affecting
-  the stream (no future frame depends on
-              this one) */
-#define VPX_FRAME_IS_INVISIBLE 0x4 /**< frame should be decoded but will not
-  be shown */
-#define VPX_FRAME_IS_FRAGMENT  0x8 /**< this is a fragment of the encoded
-  frame */
 
-  /*!\brief Error Resilient flags
+  /*!\brief Algorithm specific "usage" value
    *
-   * These flags define which error resilient features to enable in the
-   * encoder. The flags are specified through the
-   * vpx_codec_enc_cfg::g_error_resilient variable.
+   * Algorithms may define multiple values for usage, which may convey the
+   * intent of how the application intends to use the stream. If this value
+   * is non-zero, consult the documentation for the codec to determine its
+   * meaning.
    */
-  typedef uint32_t vpx_codec_er_flags_t;
-#define VPX_ERROR_RESILIENT_DEFAULT     0x1 /**< Improve resiliency against
-  losses of whole frames */
-#define VPX_ERROR_RESILIENT_PARTITIONS  0x2 /**< The frame partitions are
-  independently decodable by the
-  bool decoder, meaning that
-  partitions can be decoded even
-  though earlier partitions have
-  been lost. Note that intra
-  predicition is still done over
-  the partition boundary. */
+  unsigned int g_usage;
 
-  /*!\brief Encoder output packet variants
+  /*!\brief Maximum number of threads to use
    *
-   * This enumeration lists the different kinds of data packets that can be
-   * returned by calls to vpx_codec_get_cx_data(). Algorithms \ref MAY
-   * extend this list to provide additional functionality.
+   * For multi-threaded implementations, use no more than this number of
+   * threads. The codec may use fewer threads than allowed. The value
+   * 0 is equivalent to the value 1.
    */
-  enum vpx_codec_cx_pkt_kind {
-    VPX_CODEC_CX_FRAME_PKT,    /**< Compressed video frame */
-    VPX_CODEC_STATS_PKT,       /**< Two-pass statistics for this frame */
-    VPX_CODEC_PSNR_PKT,        /**< PSNR statistics for this frame */
-    VPX_CODEC_CUSTOM_PKT = 256 /**< Algorithm extensions  */
-  };
+  unsigned int g_threads;
 
-
-  /*!\brief Encoder output packet
+  /*!\brief Bitstream profile to use
    *
-   * This structure contains the different kinds of output data the encoder
-   * may produce while compressing a frame.
+   * Some codecs support a notion of multiple bitstream profiles. Typically
+   * this maps to a set of features that are turned on or off. Often the
+   * profile to use is determined by the features of the intended decoder.
+   * Consult the documentation for the codec to determine the valid values
+   * for this parameter, or set to zero for a sane default.
    */
-  typedef struct vpx_codec_cx_pkt {
-    enum vpx_codec_cx_pkt_kind  kind; /**< packet variant */
-    union {
-      struct {
-        void                    *buf;      /**< compressed data buffer */
-        size_t                   sz;       /**< length of compressed data */
-        vpx_codec_pts_t          pts;      /**< time stamp to show frame
-                                                    (in timebase units) */
-        unsigned long            duration; /**< duration to show frame
-                                                    (in timebase units) */
-        vpx_codec_frame_flags_t  flags;    /**< flags for this frame */
-        int                      partition_id; /**< the partition id
-                                              defines the decoding order
-                                              of the partitions. Only
-                                              applicable when "output partition"
-                                              mode is enabled. First partition
-                                              has id 0.*/
-
-      } frame;  /**< data for compressed frame packet */
-      struct vpx_fixed_buf twopass_stats;  /**< data for two-pass packet */
-      struct vpx_psnr_pkt {
-        unsigned int samples[4];  /**< Number of samples, total/y/u/v */
-        uint64_t     sse[4];      /**< sum squared error, total/y/u/v */
-        double       psnr[4];     /**< PSNR, total/y/u/v */
-      } psnr;                       /**< data for PSNR packet */
-      struct vpx_fixed_buf raw;     /**< data for arbitrary packets */
+  unsigned int g_profile; /**< profile of bitstream to use */
 
-      /* This packet size is fixed to allow codecs to extend this
-       * interface without having to manage storage for raw packets,
-       * i.e., if it's smaller than 128 bytes, you can store in the
-       * packet list directly.
-       */
-      char pad[128 - sizeof(enum vpx_codec_cx_pkt_kind)]; /**< fixed sz */
-    } data; /**< packet data */
-  } vpx_codec_cx_pkt_t; /**< alias for struct vpx_codec_cx_pkt */
-
-
-  /*!\brief Rational Number
-   *
-   * This structure holds a fractional value.
-   */
-  typedef struct vpx_rational {
-    int num; /**< fraction numerator */
-    int den; /**< fraction denominator */
-  } vpx_rational_t; /**< alias for struct vpx_rational */
-
-
-  /*!\brief Multi-pass Encoding Pass */
-  enum vpx_enc_pass {
-    VPX_RC_ONE_PASS,   /**< Single pass mode */
-    VPX_RC_FIRST_PASS, /**< First pass of multi-pass mode */
-    VPX_RC_LAST_PASS   /**< Final pass of multi-pass mode */
-  };
-
-
-  /*!\brief Rate control mode */
-  enum vpx_rc_mode {
-    VPX_VBR,  /**< Variable Bit Rate (VBR) mode */
-    VPX_CBR,  /**< Constant Bit Rate (CBR) mode */
-    VPX_CQ,   /**< Constrained Quality (CQ)  mode */
-    VPX_Q,    /**< Constant Quality (Q) mode */
-  };
-
-
-  /*!\brief Keyframe placement mode.
-   *
-   * This enumeration determines whether keyframes are placed automatically by
-   * the encoder or whether this behavior is disabled. Older releases of this
-   * SDK were implemented such that VPX_KF_FIXED meant keyframes were disabled.
-   * This name is confusing for this behavior, so the new symbols to be used
-   * are VPX_KF_AUTO and VPX_KF_DISABLED.
-   */
-  enum vpx_kf_mode {
-    VPX_KF_FIXED, /**< deprecated, implies VPX_KF_DISABLED */
-    VPX_KF_AUTO,  /**< Encoder determines optimal placement automatically */
-    VPX_KF_DISABLED = 0 /**< Encoder does not place keyframes. */
-  };
-
-
-  /*!\brief Encoded Frame Flags
+  /*!\brief Width of the frame
    *
-   * This type indicates a bitfield to be passed to vpx_codec_encode(), defining
-   * per-frame boolean values. By convention, bits common to all codecs will be
-   * named VPX_EFLAG_*, and bits specific to an algorithm will be named
-   * /algo/_eflag_*. The lower order 16 bits are reserved for common use.
-   */
-  typedef long vpx_enc_frame_flags_t;
-#define VPX_EFLAG_FORCE_KF (1<<0)  /**< Force this frame to be a keyframe */
-
-
-  /*!\brief Encoder configuration structure
-   *
-   * This structure contains the encoder settings that have common representations
-   * across all codecs. This doesn't imply that all codecs support all features,
-   * however.
-   */
-  typedef struct vpx_codec_enc_cfg {
-    /*
-     * generic settings (g)
-     */
-
-    /*!\brief Algorithm specific "usage" value
-     *
-     * Algorithms may define multiple values for usage, which may convey the
-     * intent of how the application intends to use the stream. If this value
-     * is non-zero, consult the documentation for the codec to determine its
-     * meaning.
-     */
-    unsigned int           g_usage;
-
-
-    /*!\brief Maximum number of threads to use
-     *
-     * For multi-threaded implementations, use no more than this number of
-     * threads. The codec may use fewer threads than allowed. The value
-     * 0 is equivalent to the value 1.
-     */
-    unsigned int           g_threads;
-
-
-    /*!\brief Bitstream profile to use
-     *
-     * Some codecs support a notion of multiple bitstream profiles. Typically
-     * this maps to a set of features that are turned on or off. Often the
-     * profile to use is determined by the features of the intended decoder.
-     * Consult the documentation for the codec to determine the valid values
-     * for this parameter, or set to zero for a sane default.
-     */
-    unsigned int           g_profile;  /**< profile of bitstream to use */
-
-
-
-    /*!\brief Width of the frame
-     *
-     * This value identifies the presentation resolution of the frame,
-     * in pixels. Note that the frames passed as input to the encoder must
-     * have this resolution. Frames will be presented by the decoder in this
-     * resolution, independent of any spatial resampling the encoder may do.
-     */
-    unsigned int           g_w;
-
-
-    /*!\brief Height of the frame
-     *
-     * This value identifies the presentation resolution of the frame,
-     * in pixels. Note that the frames passed as input to the encoder must
-     * have this resolution. Frames will be presented by the decoder in this
-     * resolution, independent of any spatial resampling the encoder may do.
-     */
-    unsigned int           g_h;
-
-
-    /*!\brief Stream timebase units
-     *
-     * Indicates the smallest interval of time, in seconds, used by the stream.
-     * For fixed frame rate material, or variable frame rate material where
-     * frames are timed at a multiple of a given clock (ex: video capture),
-     * the \ref RECOMMENDED method is to set the timebase to the reciprocal
-     * of the frame rate (ex: 1001/30000 for 29.970 Hz NTSC). This allows the
-     * pts to correspond to the frame number, which can be handy. For
-     * re-encoding video from containers with absolute time timestamps, the
-     * \ref RECOMMENDED method is to set the timebase to that of the parent
-     * container or multimedia framework (ex: 1/1000 for ms, as in FLV).
-     */
-    struct vpx_rational    g_timebase;
-
-
-    /*!\brief Enable error resilient modes.
-     *
-     * The error resilient bitfield indicates to the encoder which features
-     * it should enable to take measures for streaming over lossy or noisy
-     * links.
-     */
-    vpx_codec_er_flags_t   g_error_resilient;
-
-
-    /*!\brief Multi-pass Encoding Mode
-     *
-     * This value should be set to the current phase for multi-pass encoding.
-     * For single pass, set to #VPX_RC_ONE_PASS.
-     */
-    enum vpx_enc_pass      g_pass;
-
-
-    /*!\brief Allow lagged encoding
-     *
-     * If set, this value allows the encoder to consume a number of input
-     * frames before producing output frames. This allows the encoder to
-     * base decisions for the current frame on future frames. This does
-     * increase the latency of the encoding pipeline, so it is not appropriate
-     * in all situations (ex: realtime encoding).
-     *
-     * Note that this is a maximum value -- the encoder may produce frames
-     * sooner than the given limit. Set this value to 0 to disable this
-     * feature.
-     */
-    unsigned int           g_lag_in_frames;
-
-
-    /*
-     * rate control settings (rc)
-     */
-
-    /*!\brief Temporal resampling configuration, if supported by the codec.
-     *
-     * Temporal resampling allows the codec to "drop" frames as a strategy to
-     * meet its target data rate. This can cause temporal discontinuities in
-     * the encoded video, which may appear as stuttering during playback. This
-     * trade-off is often acceptable, but for many applications is not. It can
-     * be disabled in these cases.
-     *
-     * Note that not all codecs support this feature. All vpx VPx codecs do.
-     * For other codecs, consult the documentation for that algorithm.
-     *
-     * This threshold is described as a percentage of the target data buffer.
-     * When the data buffer falls below this percentage of fullness, a
-     * dropped frame is indicated. Set the threshold to zero (0) to disable
-     * this feature.
-     */
-    unsigned int           rc_dropframe_thresh;
-
-
-    /*!\brief Enable/disable spatial resampling, if supported by the codec.
-     *
-     * Spatial resampling allows the codec to compress a lower resolution
-     * version of the frame, which is then upscaled by the encoder to the
-     * correct presentation resolution. This increases visual quality at
-     * low data rates, at the expense of CPU time on the encoder/decoder.
-     */
-    unsigned int           rc_resize_allowed;
-
-
-    /*!\brief Spatial resampling up watermark.
-     *
-     * This threshold is described as a percentage of the target data buffer.
-     * When the data buffer rises above this percentage of fullness, the
-     * encoder will step up to a higher resolution version of the frame.
-     */
-    unsigned int           rc_resize_up_thresh;
-
-
-    /*!\brief Spatial resampling down watermark.
-     *
-     * This threshold is described as a percentage of the target data buffer.
-     * When the data buffer falls below this percentage of fullness, the
-     * encoder will step down to a lower resolution version of the frame.
-     */
-    unsigned int           rc_resize_down_thresh;
-
-
-    /*!\brief Rate control algorithm to use.
-     *
-     * Indicates whether the end usage of this stream is to be streamed over
-     * a bandwidth constrained link, indicating that Constant Bit Rate (CBR)
-     * mode should be used, or whether it will be played back on a high
-     * bandwidth link, as from a local disk, where higher variations in
-     * bitrate are acceptable.
-     */
-    enum vpx_rc_mode       rc_end_usage;
-
-
-    /*!\brief Two-pass stats buffer.
-     *
-     * A buffer containing all of the stats packets produced in the first
-     * pass, concatenated.
-     */
-    struct vpx_fixed_buf   rc_twopass_stats_in;
-
-
-    /*!\brief Target data rate
-     *
-     * Target bandwidth to use for this stream, in kilobits per second.
-     */
-    unsigned int           rc_target_bitrate;
-
-
-    /*
-     * quantizer settings
-     */
-
-
-    /*!\brief Minimum (Best Quality) Quantizer
-     *
-     * The quantizer is the most direct control over the quality of the
-     * encoded image. The range of valid values for the quantizer is codec
-     * specific. Consult the documentation for the codec to determine the
-     * values to use. To determine the range programmatically, call
-     * vpx_codec_enc_config_default() with a usage value of 0.
-     */
-    unsigned int           rc_min_quantizer;
-
-
-    /*!\brief Maximum (Worst Quality) Quantizer
-     *
-     * The quantizer is the most direct control over the quality of the
-     * encoded image. The range of valid values for the quantizer is codec
-     * specific. Consult the documentation for the codec to determine the
-     * values to use. To determine the range programmatically, call
-     * vpx_codec_enc_config_default() with a usage value of 0.
-     */
-    unsigned int           rc_max_quantizer;
-
-
-    /*
-     * bitrate tolerance
-     */
-
-
-    /*!\brief Rate control adaptation undershoot control
-     *
-     * This value, expressed as a percentage of the target bitrate,
-     * controls the maximum allowed adaptation speed of the codec.
-     * This factor controls the maximum amount of bits that can
-     * be subtracted from the target bitrate in order to compensate
-     * for prior overshoot.
-     *
-     * Valid values in the range 0-1000.
-     */
-    unsigned int           rc_undershoot_pct;
-
-
-    /*!\brief Rate control adaptation overshoot control
-     *
-     * This value, expressed as a percentage of the target bitrate,
-     * controls the maximum allowed adaptation speed of the codec.
-     * This factor controls the maximum amount of bits that can
-     * be added to the target bitrate in order to compensate for
-     * prior undershoot.
-     *
-     * Valid values in the range 0-1000.
-     */
-    unsigned int           rc_overshoot_pct;
-
-
-    /*
-     * decoder buffer model parameters
-     */
-
-
-    /*!\brief Decoder Buffer Size
-     *
-     * This value indicates the amount of data that may be buffered by the
-     * decoding application. Note that this value is expressed in units of
-     * time (milliseconds). For example, a value of 5000 indicates that the
-     * client will buffer (at least) 5000ms worth of encoded data. Use the
-     * target bitrate (#rc_target_bitrate) to convert to bits/bytes, if
-     * necessary.
-     */
-    unsigned int           rc_buf_sz;
-
-
-    /*!\brief Decoder Buffer Initial Size
-     *
-     * This value indicates the amount of data that will be buffered by the
-     * decoding application prior to beginning playback. This value is
-     * expressed in units of time (milliseconds). Use the target bitrate
-     * (#rc_target_bitrate) to convert to bits/bytes, if necessary.
-     */
-    unsigned int           rc_buf_initial_sz;
-
-
-    /*!\brief Decoder Buffer Optimal Size
-     *
-     * This value indicates the amount of data that the encoder should try
-     * to maintain in the decoder's buffer. This value is expressed in units
-     * of time (milliseconds). Use the target bitrate (#rc_target_bitrate)
-     * to convert to bits/bytes, if necessary.
-     */
-    unsigned int           rc_buf_optimal_sz;
+   * This value identifies the presentation resolution of the frame,
+   * in pixels. Note that the frames passed as input to the encoder must
+   * have this resolution. Frames will be presented by the decoder in this
+   * resolution, independent of any spatial resampling the encoder may do.
+   */
+  unsigned int g_w;
 
+  /*!\brief Height of the frame
+   *
+   * This value identifies the presentation resolution of the frame,
+   * in pixels. Note that the frames passed as input to the encoder must
+   * have this resolution. Frames will be presented by the decoder in this
+   * resolution, independent of any spatial resampling the encoder may do.
+   */
+  unsigned int g_h;
 
-    /*
-     * 2 pass rate control parameters
-     */
+  /*!\brief Bit-depth of the codec
+   *
+   * This value identifies the bit_depth of the codec,
+   * Only certain bit-depths are supported as identified in the
+   * vpx_bit_depth_t enum.
+   */
+  vpx_bit_depth_t g_bit_depth;
 
+  /*!\brief Bit-depth of the input frames
+   *
+   * This value identifies the bit_depth of the input frames in bits.
+   * Note that the frames passed as input to the encoder must have
+   * this bit-depth.
+   */
+  unsigned int g_input_bit_depth;
+
+  /*!\brief Stream timebase units
+   *
+   * Indicates the smallest interval of time, in seconds, used by the stream.
+   * For fixed frame rate material, or variable frame rate material where
+   * frames are timed at a multiple of a given clock (ex: video capture),
+   * the \ref RECOMMENDED method is to set the timebase to the reciprocal
+   * of the frame rate (ex: 1001/30000 for 29.970 Hz NTSC). This allows the
+   * pts to correspond to the frame number, which can be handy. For
+   * re-encoding video from containers with absolute time timestamps, the
+   * \ref RECOMMENDED method is to set the timebase to that of the parent
+   * container or multimedia framework (ex: 1/1000 for ms, as in FLV).
+   */
+  struct vpx_rational g_timebase;
 
-    /*!\brief Two-pass mode CBR/VBR bias
-     *
-     * Bias, expressed on a scale of 0 to 100, for determining target size
-     * for the current frame. The value 0 indicates the optimal CBR mode
-     * value should be used. The value 100 indicates the optimal VBR mode
-     * value should be used. Values in between indicate which way the
-     * encoder should "lean."
-     */
-    unsigned int           rc_2pass_vbr_bias_pct;       /**< RC mode bias between CBR and VBR(0-100: 0->CBR, 100->VBR)   */
+  /*!\brief Enable error resilient modes.
+   *
+   * The error resilient bitfield indicates to the encoder which features
+   * it should enable to take measures for streaming over lossy or noisy
+   * links.
+   */
+  vpx_codec_er_flags_t g_error_resilient;
 
+  /*!\brief Multi-pass Encoding Mode
+   *
+   * This value should be set to the current phase for multi-pass encoding.
+   * For single pass, set to #VPX_RC_ONE_PASS.
+   */
+  enum vpx_enc_pass g_pass;
 
-    /*!\brief Two-pass mode per-GOP minimum bitrate
-     *
-     * This value, expressed as a percentage of the target bitrate, indicates
-     * the minimum bitrate to be used for a single GOP (aka "section")
-     */
-    unsigned int           rc_2pass_vbr_minsection_pct;
+  /*!\brief Allow lagged encoding
+   *
+   * If set, this value allows the encoder to consume a number of input
+   * frames before producing output frames. This allows the encoder to
+   * base decisions for the current frame on future frames. This does
+   * increase the latency of the encoding pipeline, so it is not appropriate
+   * in all situations (ex: realtime encoding).
+   *
+   * Note that this is a maximum value -- the encoder may produce frames
+   * sooner than the given limit. Set this value to 0 to disable this
+   * feature.
+   */
+  unsigned int g_lag_in_frames;
 
+  /*
+   * rate control settings (rc)
+   */
 
-    /*!\brief Two-pass mode per-GOP maximum bitrate
-     *
-     * This value, expressed as a percentage of the target bitrate, indicates
-     * the maximum bitrate to be used for a single GOP (aka "section")
-     */
-    unsigned int           rc_2pass_vbr_maxsection_pct;
+  /*!\brief Temporal resampling configuration, if supported by the codec.
+   *
+   * Temporal resampling allows the codec to "drop" frames as a strategy to
+   * meet its target data rate. This can cause temporal discontinuities in
+   * the encoded video, which may appear as stuttering during playback. This
+   * trade-off is often acceptable, but for many applications is not. It can
+   * be disabled in these cases.
+   *
+   * Note that not all codecs support this feature. All vpx VPx codecs do.
+   * For other codecs, consult the documentation for that algorithm.
+   *
+   * This threshold is described as a percentage of the target data buffer.
+   * When the data buffer falls below this percentage of fullness, a
+   * dropped frame is indicated. Set the threshold to zero (0) to disable
+   * this feature.
+   */
+  unsigned int rc_dropframe_thresh;
 
+  /*!\brief Enable/disable spatial resampling, if supported by the codec.
+   *
+   * Spatial resampling allows the codec to compress a lower resolution
+   * version of the frame, which is then upscaled by the encoder to the
+   * correct presentation resolution. This increases visual quality at
+   * low data rates, at the expense of CPU time on the encoder/decoder.
+   */
+  unsigned int rc_resize_allowed;
 
-    /*
-     * keyframing settings (kf)
-     */
+  /*!\brief Internal coded frame width.
+   *
+   * If spatial resampling is enabled this specifies the width of the
+   * encoded frame.
+   */
+  unsigned int rc_scaled_width;
 
-    /*!\brief Keyframe placement mode
-     *
-     * This value indicates whether the encoder should place keyframes at a
-     * fixed interval, or determine the optimal placement automatically
-     * (as governed by the #kf_min_dist and #kf_max_dist parameters)
-     */
-    enum vpx_kf_mode       kf_mode;
+  /*!\brief Internal coded frame height.
+   *
+   * If spatial resampling is enabled this specifies the height of the
+   * encoded frame.
+   */
+  unsigned int rc_scaled_height;
 
+  /*!\brief Spatial resampling up watermark.
+   *
+   * This threshold is described as a percentage of the target data buffer.
+   * When the data buffer rises above this percentage of fullness, the
+   * encoder will step up to a higher resolution version of the frame.
+   */
+  unsigned int rc_resize_up_thresh;
 
-    /*!\brief Keyframe minimum interval
-     *
-     * This value, expressed as a number of frames, prevents the encoder from
-     * placing a keyframe nearer than kf_min_dist to the previous keyframe. At
-     * least kf_min_dist frames non-keyframes will be coded before the next
-     * keyframe. Set kf_min_dist equal to kf_max_dist for a fixed interval.
-     */
-    unsigned int           kf_min_dist;
+  /*!\brief Spatial resampling down watermark.
+   *
+   * This threshold is described as a percentage of the target data buffer.
+   * When the data buffer falls below this percentage of fullness, the
+   * encoder will step down to a lower resolution version of the frame.
+   */
+  unsigned int rc_resize_down_thresh;
 
+  /*!\brief Rate control algorithm to use.
+   *
+   * Indicates whether the end usage of this stream is to be streamed over
+   * a bandwidth constrained link, indicating that Constant Bit Rate (CBR)
+   * mode should be used, or whether it will be played back on a high
+   * bandwidth link, as from a local disk, where higher variations in
+   * bitrate are acceptable.
+   */
+  enum vpx_rc_mode rc_end_usage;
 
-    /*!\brief Keyframe maximum interval
-     *
-     * This value, expressed as a number of frames, forces the encoder to code
-     * a keyframe if one has not been coded in the last kf_max_dist frames.
-     * A value of 0 implies all frames will be keyframes. Set kf_min_dist
-     * equal to kf_max_dist for a fixed interval.
-     */
-    unsigned int           kf_max_dist;
+  /*!\brief Two-pass stats buffer.
+   *
+   * A buffer containing all of the stats packets produced in the first
+   * pass, concatenated.
+   */
+  vpx_fixed_buf_t rc_twopass_stats_in;
 
-    /*
-     * Spatial scalability settings (ss)
-     */
+  /*!\brief first pass mb stats buffer.
+   *
+   * A buffer containing all of the first pass mb stats packets produced
+   * in the first pass, concatenated.
+   */
+  vpx_fixed_buf_t rc_firstpass_mb_stats_in;
 
-    /*!\brief Number of coding layers (spatial)
-     *
-     * This value specifies the number of coding layers to be used.
-     */
-    unsigned int           ss_number_layers;
+  /*!\brief Target data rate
+   *
+   * Target bandwidth to use for this stream, in kilobits per second.
+   */
+  unsigned int rc_target_bitrate;
 
-    /*!\brief Number of coding layers
-     *
-     * This value specifies the number of coding layers to be used.
-     */
-    unsigned int           ts_number_layers;
+  /*
+   * quantizer settings
+   */
 
-    /*!\brief Target bitrate for each layer
-     *
-     * These values specify the target coding bitrate for each coding layer.
-     */
-    unsigned int           ts_target_bitrate[VPX_TS_MAX_LAYERS];
+  /*!\brief Minimum (Best Quality) Quantizer
+   *
+   * The quantizer is the most direct control over the quality of the
+   * encoded image. The range of valid values for the quantizer is codec
+   * specific. Consult the documentation for the codec to determine the
+   * values to use. To determine the range programmatically, call
+   * vpx_codec_enc_config_default() with a usage value of 0.
+   */
+  unsigned int rc_min_quantizer;
 
-    /*!\brief Frame rate decimation factor for each layer
-     *
-     * These values specify the frame rate decimation factors to apply
-     * to each layer.
-     */
-    unsigned int           ts_rate_decimator[VPX_TS_MAX_LAYERS];
-
-    /*!\brief Length of the sequence defining frame layer membership
-     *
-     * This value specifies the length of the sequence that defines the
-     * membership of frames to layers. For example, if ts_periodicity=8 then
-     * frames are assigned to coding layers with a repeated sequence of
-     * length 8.
-     */
-    unsigned int           ts_periodicity;
-
-    /*!\brief Template defining the membership of frames to coding layers
-     *
-     * This array defines the membership of frames to coding layers. For a
-     * 2-layer encoding that assigns even numbered frames to one layer (0)
-     * and odd numbered frames to a second layer (1) with ts_periodicity=8,
-     * then ts_layer_id = (0,1,0,1,0,1,0,1).
-     */
-    unsigned int           ts_layer_id[VPX_TS_MAX_PERIODICITY];
-  } vpx_codec_enc_cfg_t; /**< alias for struct vpx_codec_enc_cfg */
+  /*!\brief Maximum (Worst Quality) Quantizer
+   *
+   * The quantizer is the most direct control over the quality of the
+   * encoded image. The range of valid values for the quantizer is codec
+   * specific. Consult the documentation for the codec to determine the
+   * values to use. To determine the range programmatically, call
+   * vpx_codec_enc_config_default() with a usage value of 0.
+   */
+  unsigned int rc_max_quantizer;
 
+  /*
+   * bitrate tolerance
+   */
 
-  /*!\brief Initialize an encoder instance
+  /*!\brief Rate control adaptation undershoot control
    *
-   * Initializes a encoder context using the given interface. Applications
-   * should call the vpx_codec_enc_init convenience macro instead of this
-   * function directly, to ensure that the ABI version number parameter
-   * is properly initialized.
+   * This value, expressed as a percentage of the target bitrate,
+   * controls the maximum allowed adaptation speed of the codec.
+   * This factor controls the maximum amount of bits that can
+   * be subtracted from the target bitrate in order to compensate
+   * for prior overshoot.
    *
-   * If the library was configured with --disable-multithread, this call
-   * is not thread safe and should be guarded with a lock if being used
-   * in a multithreaded context.
+   * Valid values in the range 0-1000.
+   */
+  unsigned int rc_undershoot_pct;
+
+  /*!\brief Rate control adaptation overshoot control
    *
-   * In XMA mode (activated by setting VPX_CODEC_USE_XMA in the flags
-   * parameter), the storage pointed to by the cfg parameter must be
-   * kept readable and stable until all memory maps have been set.
+   * This value, expressed as a percentage of the target bitrate,
+   * controls the maximum allowed adaptation speed of the codec.
+   * This factor controls the maximum amount of bits that can
+   * be added to the target bitrate in order to compensate for
+   * prior undershoot.
    *
-   * \param[in]    ctx     Pointer to this instance's context.
-   * \param[in]    iface   Pointer to the algorithm interface to use.
-   * \param[in]    cfg     Configuration to use, if known. May be NULL.
-   * \param[in]    flags   Bitfield of VPX_CODEC_USE_* flags
-   * \param[in]    ver     ABI version number. Must be set to
-   *                       VPX_ENCODER_ABI_VERSION
-   * \retval #VPX_CODEC_OK
-   *     The decoder algorithm initialized.
-   * \retval #VPX_CODEC_MEM_ERROR
-   *     Memory allocation failed.
+   * Valid values in the range 0-1000.
    */
-  vpx_codec_err_t vpx_codec_enc_init_ver(vpx_codec_ctx_t      *ctx,
-                                         vpx_codec_iface_t    *iface,
-                                         vpx_codec_enc_cfg_t  *cfg,
-                                         vpx_codec_flags_t     flags,
-                                         int                   ver);
+  unsigned int rc_overshoot_pct;
 
+  /*
+   * decoder buffer model parameters
+   */
 
-  /*!\brief Convenience macro for vpx_codec_enc_init_ver()
+  /*!\brief Decoder Buffer Size
    *
-   * Ensures the ABI version parameter is properly set.
+   * This value indicates the amount of data that may be buffered by the
+   * decoding application. Note that this value is expressed in units of
+   * time (milliseconds). For example, a value of 5000 indicates that the
+   * client will buffer (at least) 5000ms worth of encoded data. Use the
+   * target bitrate (#rc_target_bitrate) to convert to bits/bytes, if
+   * necessary.
    */
-#define vpx_codec_enc_init(ctx, iface, cfg, flags) \
-  vpx_codec_enc_init_ver(ctx, iface, cfg, flags, VPX_ENCODER_ABI_VERSION)
+  unsigned int rc_buf_sz;
 
-
-  /*!\brief Initialize multi-encoder instance
-   *
-   * Initializes multi-encoder context using the given interface.
-   * Applications should call the vpx_codec_enc_init_multi convenience macro
-   * instead of this function directly, to ensure that the ABI version number
-   * parameter is properly initialized.
-   *
-   * In XMA mode (activated by setting VPX_CODEC_USE_XMA in the flags
-   * parameter), the storage pointed to by the cfg parameter must be
-   * kept readable and stable until all memory maps have been set.
+  /*!\brief Decoder Buffer Initial Size
    *
-   * \param[in]    ctx     Pointer to this instance's context.
-   * \param[in]    iface   Pointer to the algorithm interface to use.
-   * \param[in]    cfg     Configuration to use, if known. May be NULL.
-   * \param[in]    num_enc Total number of encoders.
-   * \param[in]    flags   Bitfield of VPX_CODEC_USE_* flags
-   * \param[in]    dsf     Pointer to down-sampling factors.
-   * \param[in]    ver     ABI version number. Must be set to
-   *                       VPX_ENCODER_ABI_VERSION
-   * \retval #VPX_CODEC_OK
-   *     The decoder algorithm initialized.
-   * \retval #VPX_CODEC_MEM_ERROR
-   *     Memory allocation failed.
+   * This value indicates the amount of data that will be buffered by the
+   * decoding application prior to beginning playback. This value is
+   * expressed in units of time (milliseconds). Use the target bitrate
+   * (#rc_target_bitrate) to convert to bits/bytes, if necessary.
    */
-  vpx_codec_err_t vpx_codec_enc_init_multi_ver(vpx_codec_ctx_t      *ctx,
-                                               vpx_codec_iface_t    *iface,
-                                               vpx_codec_enc_cfg_t  *cfg,
-                                               int                   num_enc,
-                                               vpx_codec_flags_t     flags,
-                                               vpx_rational_t       *dsf,
-                                               int                   ver);
+  unsigned int rc_buf_initial_sz;
 
-
-  /*!\brief Convenience macro for vpx_codec_enc_init_multi_ver()
+  /*!\brief Decoder Buffer Optimal Size
    *
-   * Ensures the ABI version parameter is properly set.
+   * This value indicates the amount of data that the encoder should try
+   * to maintain in the decoder's buffer. This value is expressed in units
+   * of time (milliseconds). Use the target bitrate (#rc_target_bitrate)
+   * to convert to bits/bytes, if necessary.
    */
-#define vpx_codec_enc_init_multi(ctx, iface, cfg, num_enc, flags, dsf) \
-  vpx_codec_enc_init_multi_ver(ctx, iface, cfg, num_enc, flags, dsf, \
-                               VPX_ENCODER_ABI_VERSION)
+  unsigned int rc_buf_optimal_sz;
 
+  /*
+   * 2 pass rate control parameters
+   */
 
-  /*!\brief Get a default configuration
-   *
-   * Initializes a encoder configuration structure with default values. Supports
-   * the notion of "usages" so that an algorithm may offer different default
-   * settings depending on the user's intended goal. This function \ref SHOULD
-   * be called by all applications to initialize the configuration structure
-   * before specializing the configuration with application specific values.
-   *
-   * \param[in]    iface   Pointer to the algorithm interface to use.
-   * \param[out]   cfg     Configuration buffer to populate
-   * \param[in]    usage   End usage. Set to 0 or use codec specific values.
-   *
-   * \retval #VPX_CODEC_OK
-   *     The configuration was populated.
-   * \retval #VPX_CODEC_INCAPABLE
-   *     Interface is not an encoder interface.
-   * \retval #VPX_CODEC_INVALID_PARAM
-   *     A parameter was NULL, or the usage value was not recognized.
-   */
-  vpx_codec_err_t  vpx_codec_enc_config_default(vpx_codec_iface_t    *iface,
-                                                vpx_codec_enc_cfg_t  *cfg,
-                                                unsigned int          usage);
-
-
-  /*!\brief Set or change configuration
-   *
-   * Reconfigures an encoder instance according to the given configuration.
-   *
-   * \param[in]    ctx     Pointer to this instance's context
-   * \param[in]    cfg     Configuration buffer to use
-   *
-   * \retval #VPX_CODEC_OK
-   *     The configuration was populated.
-   * \retval #VPX_CODEC_INCAPABLE
-   *     Interface is not an encoder interface.
-   * \retval #VPX_CODEC_INVALID_PARAM
-   *     A parameter was NULL, or the usage value was not recognized.
-   */
-  vpx_codec_err_t  vpx_codec_enc_config_set(vpx_codec_ctx_t            *ctx,
-                                            const vpx_codec_enc_cfg_t  *cfg);
-
-
-  /*!\brief Get global stream headers
-   *
-   * Retrieves a stream level global header packet, if supported by the codec.
-   *
-   * \param[in]    ctx     Pointer to this instance's context
-   *
-   * \retval NULL
-   *     Encoder does not support global header
-   * \retval Non-NULL
-   *     Pointer to buffer containing global header packet
-   */
-  vpx_fixed_buf_t *vpx_codec_get_global_headers(vpx_codec_ctx_t   *ctx);
-
-
-#define VPX_DL_REALTIME     (1)        /**< deadline parameter analogous to
-  *   VPx REALTIME mode. */
-#define VPX_DL_GOOD_QUALITY (1000000)  /**< deadline parameter analogous to
-  *   VPx GOOD QUALITY mode. */
-#define VPX_DL_BEST_QUALITY (0)        /**< deadline parameter analogous to
-  *   VPx BEST QUALITY mode. */
-  /*!\brief Encode a frame
-   *
-   * Encodes a video frame at the given "presentation time." The presentation
-   * time stamp (PTS) \ref MUST be strictly increasing.
-   *
-   * The encoder supports the notion of a soft real-time deadline. Given a
-   * non-zero value to the deadline parameter, the encoder will make a "best
-   * effort" guarantee to  return before the given time slice expires. It is
-   * implicit that limiting the available time to encode will degrade the
-   * output quality. The encoder can be given an unlimited time to produce the
-   * best possible frame by specifying a deadline of '0'. This deadline
-   * supercedes the VPx notion of "best quality, good quality, realtime".
-   * Applications that wish to map these former settings to the new deadline
-   * based system can use the symbols #VPX_DL_REALTIME, #VPX_DL_GOOD_QUALITY,
-   * and #VPX_DL_BEST_QUALITY.
+  /*!\brief Two-pass mode CBR/VBR bias
    *
-   * When the last frame has been passed to the encoder, this function should
-   * continue to be called, with the img parameter set to NULL. This will
-   * signal the end-of-stream condition to the encoder and allow it to encode
-   * any held buffers. Encoding is complete when vpx_codec_encode() is called
-   * and vpx_codec_get_cx_data() returns no data.
-   *
-   * \param[in]    ctx       Pointer to this instance's context
-   * \param[in]    img       Image data to encode, NULL to flush.
-   * \param[in]    pts       Presentation time stamp, in timebase units.
-   * \param[in]    duration  Duration to show frame, in timebase units.
-   * \param[in]    flags     Flags to use for encoding this frame.
-   * \param[in]    deadline  Time to spend encoding, in microseconds. (0=infinite)
-   *
-   * \retval #VPX_CODEC_OK
-   *     The configuration was populated.
-   * \retval #VPX_CODEC_INCAPABLE
-   *     Interface is not an encoder interface.
-   * \retval #VPX_CODEC_INVALID_PARAM
-   *     A parameter was NULL, the image format is unsupported, etc.
+   * Bias, expressed on a scale of 0 to 100, for determining target size
+   * for the current frame. The value 0 indicates the optimal CBR mode
+   * value should be used. The value 100 indicates the optimal VBR mode
+   * value should be used. Values in between indicate which way the
+   * encoder should "lean."
    */
-  vpx_codec_err_t  vpx_codec_encode(vpx_codec_ctx_t            *ctx,
-                                    const vpx_image_t          *img,
-                                    vpx_codec_pts_t             pts,
-                                    unsigned long               duration,
-                                    vpx_enc_frame_flags_t       flags,
-                                    unsigned long               deadline);
+  unsigned int rc_2pass_vbr_bias_pct;
 
-  /*!\brief Set compressed data output buffer
-   *
-   * Sets the buffer that the codec should output the compressed data
-   * into. This call effectively sets the buffer pointer returned in the
-   * next VPX_CODEC_CX_FRAME_PKT packet. Subsequent packets will be
-   * appended into this buffer. The buffer is preserved across frames,
-   * so applications must periodically call this function after flushing
-   * the accumulated compressed data to disk or to the network to reset
-   * the pointer to the buffer's head.
-   *
-   * `pad_before` bytes will be skipped before writing the compressed
-   * data, and `pad_after` bytes will be appended to the packet. The size
-   * of the packet will be the sum of the size of the actual compressed
-   * data, pad_before, and pad_after. The padding bytes will be preserved
-   * (not overwritten).
+  /*!\brief Two-pass mode per-GOP minimum bitrate
    *
-   * Note that calling this function does not guarantee that the returned
-   * compressed data will be placed into the specified buffer. In the
-   * event that the encoded data will not fit into the buffer provided,
-   * the returned packet \ref MAY point to an internal buffer, as it would
-   * if this call were never used. In this event, the output packet will
-   * NOT have any padding, and the application must free space and copy it
-   * to the proper place. This is of particular note in configurations
-   * that may output multiple packets for a single encoded frame (e.g., lagged
-   * encoding) or if the application does not reset the buffer periodically.
+   * This value, expressed as a percentage of the target bitrate, indicates
+   * the minimum bitrate to be used for a single GOP (aka "section")
+   */
+  unsigned int rc_2pass_vbr_minsection_pct;
+
+  /*!\brief Two-pass mode per-GOP maximum bitrate
    *
-   * Applications may restore the default behavior of the codec providing
-   * the compressed data buffer by calling this function with a NULL
-   * buffer.
+   * This value, expressed as a percentage of the target bitrate, indicates
+   * the maximum bitrate to be used for a single GOP (aka "section")
+   */
+  unsigned int rc_2pass_vbr_maxsection_pct;
+
+  /*
+   * keyframing settings (kf)
+   */
+
+  /*!\brief Keyframe placement mode
    *
-   * Applications \ref MUSTNOT call this function during iteration of
-   * vpx_codec_get_cx_data().
+   * This value indicates whether the encoder should place keyframes at a
+   * fixed interval, or determine the optimal placement automatically
+   * (as governed by the #kf_min_dist and #kf_max_dist parameters)
+   */
+  enum vpx_kf_mode kf_mode;
+
+  /*!\brief Keyframe minimum interval
    *
-   * \param[in]    ctx         Pointer to this instance's context
-   * \param[in]    buf         Buffer to store compressed data into
-   * \param[in]    pad_before  Bytes to skip before writing compressed data
-   * \param[in]    pad_after   Bytes to skip after writing compressed data
+   * This value, expressed as a number of frames, prevents the encoder from
+   * placing a keyframe nearer than kf_min_dist to the previous keyframe. At
+   * least kf_min_dist frames non-keyframes will be coded before the next
+   * keyframe. Set kf_min_dist equal to kf_max_dist for a fixed interval.
+   */
+  unsigned int kf_min_dist;
+
+  /*!\brief Keyframe maximum interval
    *
-   * \retval #VPX_CODEC_OK
-   *     The buffer was set successfully.
-   * \retval #VPX_CODEC_INVALID_PARAM
-   *     A parameter was NULL, the image format is unsupported, etc.
+   * This value, expressed as a number of frames, forces the encoder to code
+   * a keyframe if one has not been coded in the last kf_max_dist frames.
+   * A value of 0 implies all frames will be keyframes. Set kf_min_dist
+   * equal to kf_max_dist for a fixed interval.
    */
-  vpx_codec_err_t vpx_codec_set_cx_data_buf(vpx_codec_ctx_t       *ctx,
-                                            const vpx_fixed_buf_t *buf,
-                                            unsigned int           pad_before,
-                                            unsigned int           pad_after);
+  unsigned int kf_max_dist;
 
+  /*
+   * Spatial scalability settings (ss)
+   */
 
-  /*!\brief Encoded data iterator
-   *
-   * Iterates over a list of data packets to be passed from the encoder to the
-   * application. The different kinds of packets available are enumerated in
-   * #vpx_codec_cx_pkt_kind.
+  /*!\brief Number of spatial coding layers.
    *
-   * #VPX_CODEC_CX_FRAME_PKT packets should be passed to the application's
-   * muxer. Multiple compressed frames may be in the list.
-   * #VPX_CODEC_STATS_PKT packets should be appended to a global buffer.
+   * This value specifies the number of spatial coding layers to be used.
+   */
+  unsigned int ss_number_layers;
+
+  /*!\brief Enable auto alt reference flags for each spatial layer.
    *
-   * The application \ref MUST silently ignore any packet kinds that it does
-   * not recognize or support.
+   * These values specify if auto alt reference frame is enabled for each
+   * spatial layer.
+   */
+  int ss_enable_auto_alt_ref[VPX_SS_MAX_LAYERS];
+
+  /*!\brief Target bitrate for each spatial layer.
    *
-   * The data buffers returned from this function are only guaranteed to be
-   * valid until the application makes another call to any vpx_codec_* function.
+   * These values specify the target coding bitrate to be used for each
+   * spatial layer.
+   */
+  unsigned int ss_target_bitrate[VPX_SS_MAX_LAYERS];
+
+  /*!\brief Number of temporal coding layers.
    *
-   * \param[in]     ctx      Pointer to this instance's context
-   * \param[in,out] iter     Iterator storage, initialized to NULL
+   * This value specifies the number of temporal layers to be used.
+   */
+  unsigned int ts_number_layers;
+
+  /*!\brief Target bitrate for each temporal layer.
    *
-   * \return Returns a pointer to an output data packet (compressed frame data,
-   *         two-pass statistics, etc.) or NULL to signal end-of-list.
+   * These values specify the target coding bitrate to be used for each
+   * temporal layer.
+   */
+  unsigned int ts_target_bitrate[VPX_TS_MAX_LAYERS];
+
+  /*!\brief Frame rate decimation factor for each temporal layer.
    *
+   * These values specify the frame rate decimation factors to apply
+   * to each temporal layer.
    */
-  const vpx_codec_cx_pkt_t *vpx_codec_get_cx_data(vpx_codec_ctx_t   *ctx,
-                                                  vpx_codec_iter_t  *iter);
+  unsigned int ts_rate_decimator[VPX_TS_MAX_LAYERS];
+
+  /*!\brief Length of the sequence defining frame temporal layer membership.
+   *
+   * This value specifies the length of the sequence that defines the
+   * membership of frames to temporal layers. For example, if the
+   * ts_periodicity = 8, then the frames are assigned to coding layers with a
+   * repeated sequence of length 8.
+  */
+  unsigned int ts_periodicity;
 
+  /*!\brief Template defining the membership of frames to temporal layers.
+   *
+   * This array defines the membership of frames to temporal coding layers.
+   * For a 2-layer encoding that assigns even numbered frames to one temporal
+   * layer (0) and odd numbered frames to a second temporal layer (1) with
+   * ts_periodicity=8, then ts_layer_id = (0,1,0,1,0,1,0,1).
+  */
+  unsigned int ts_layer_id[VPX_TS_MAX_PERIODICITY];
 
-  /*!\brief Get Preview Frame
+  /*!\brief Target bitrate for each spatial/temporal layer.
    *
-   * Returns an image that can be used as a preview. Shows the image as it would
-   * exist at the decompressor. The application \ref MUST NOT write into this
-   * image buffer.
+   * These values specify the target coding bitrate to be used for each
+   * spatial/temporal layer.
    *
-   * \param[in]     ctx      Pointer to this instance's context
+   */
+  unsigned int layer_target_bitrate[VPX_MAX_LAYERS];
+
+  /*!\brief Temporal layering mode indicating which temporal layering scheme to
+   * use.
    *
-   * \return Returns a pointer to a preview image, or NULL if no image is
-   *         available.
+   * The value (refer to VP9E_TEMPORAL_LAYERING_MODE) specifies the
+   * temporal layering mode to use.
    *
    */
-  const vpx_image_t *vpx_codec_get_preview_frame(vpx_codec_ctx_t   *ctx);
+  int temporal_layering_mode;
+} vpx_codec_enc_cfg_t; /**< alias for struct vpx_codec_enc_cfg */
+
+/*!\brief  vp9 svc extra configure parameters
+ *
+ * This defines max/min quantizers and scale factors for each layer
+ *
+ */
+typedef struct vpx_svc_parameters {
+  int max_quantizers[VPX_MAX_LAYERS];     /**< Max Q for each layer */
+  int min_quantizers[VPX_MAX_LAYERS];     /**< Min Q for each layer */
+  int scaling_factor_num[VPX_MAX_LAYERS]; /**< Scaling factor-numerator */
+  int scaling_factor_den[VPX_MAX_LAYERS]; /**< Scaling factor-denominator */
+  int speed_per_layer[VPX_MAX_LAYERS];    /**< Speed setting for each sl */
+  int temporal_layering_mode;             /**< Temporal layering mode */
+} vpx_svc_extra_cfg_t;
+
+/*!\brief Initialize an encoder instance
+ *
+ * Initializes a encoder context using the given interface. Applications
+ * should call the vpx_codec_enc_init convenience macro instead of this
+ * function directly, to ensure that the ABI version number parameter
+ * is properly initialized.
+ *
+ * If the library was configured with --disable-multithread, this call
+ * is not thread safe and should be guarded with a lock if being used
+ * in a multithreaded context.
+ *
+ * \param[in]    ctx     Pointer to this instance's context.
+ * \param[in]    iface   Pointer to the algorithm interface to use.
+ * \param[in]    cfg     Configuration to use, if known. May be NULL.
+ * \param[in]    flags   Bitfield of VPX_CODEC_USE_* flags
+ * \param[in]    ver     ABI version number. Must be set to
+ *                       VPX_ENCODER_ABI_VERSION
+ * \retval #VPX_CODEC_OK
+ *     The decoder algorithm initialized.
+ * \retval #VPX_CODEC_MEM_ERROR
+ *     Memory allocation failed.
+ */
+vpx_codec_err_t vpx_codec_enc_init_ver(vpx_codec_ctx_t *ctx,
+                                       vpx_codec_iface_t *iface,
+                                       const vpx_codec_enc_cfg_t *cfg,
+                                       vpx_codec_flags_t flags, int ver);
+
+/*!\brief Convenience macro for vpx_codec_enc_init_ver()
+ *
+ * Ensures the ABI version parameter is properly set.
+ */
+#define vpx_codec_enc_init(ctx, iface, cfg, flags) \
+  vpx_codec_enc_init_ver(ctx, iface, cfg, flags, VPX_ENCODER_ABI_VERSION)
+
+/*!\brief Initialize multi-encoder instance
+ *
+ * Initializes multi-encoder context using the given interface.
+ * Applications should call the vpx_codec_enc_init_multi convenience macro
+ * instead of this function directly, to ensure that the ABI version number
+ * parameter is properly initialized.
+ *
+ * \param[in]    ctx     Pointer to this instance's context.
+ * \param[in]    iface   Pointer to the algorithm interface to use.
+ * \param[in]    cfg     Configuration to use, if known. May be NULL.
+ * \param[in]    num_enc Total number of encoders.
+ * \param[in]    flags   Bitfield of VPX_CODEC_USE_* flags
+ * \param[in]    dsf     Pointer to down-sampling factors.
+ * \param[in]    ver     ABI version number. Must be set to
+ *                       VPX_ENCODER_ABI_VERSION
+ * \retval #VPX_CODEC_OK
+ *     The decoder algorithm initialized.
+ * \retval #VPX_CODEC_MEM_ERROR
+ *     Memory allocation failed.
+ */
+vpx_codec_err_t vpx_codec_enc_init_multi_ver(
+    vpx_codec_ctx_t *ctx, vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg,
+    int num_enc, vpx_codec_flags_t flags, vpx_rational_t *dsf, int ver);
+
+/*!\brief Convenience macro for vpx_codec_enc_init_multi_ver()
+ *
+ * Ensures the ABI version parameter is properly set.
+ */
+#define vpx_codec_enc_init_multi(ctx, iface, cfg, num_enc, flags, dsf) \
+  vpx_codec_enc_init_multi_ver(ctx, iface, cfg, num_enc, flags, dsf,   \
+                               VPX_ENCODER_ABI_VERSION)
+
+/*!\brief Get a default configuration
+ *
+ * Initializes a encoder configuration structure with default values. Supports
+ * the notion of "usages" so that an algorithm may offer different default
+ * settings depending on the user's intended goal. This function \ref SHOULD
+ * be called by all applications to initialize the configuration structure
+ * before specializing the configuration with application specific values.
+ *
+ * \param[in]    iface     Pointer to the algorithm interface to use.
+ * \param[out]   cfg       Configuration buffer to populate.
+ * \param[in]    reserved  Must set to 0 for VP8 and VP9.
+ *
+ * \retval #VPX_CODEC_OK
+ *     The configuration was populated.
+ * \retval #VPX_CODEC_INCAPABLE
+ *     Interface is not an encoder interface.
+ * \retval #VPX_CODEC_INVALID_PARAM
+ *     A parameter was NULL, or the usage value was not recognized.
+ */
+vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface,
+                                             vpx_codec_enc_cfg_t *cfg,
+                                             unsigned int reserved);
+
+/*!\brief Set or change configuration
+ *
+ * Reconfigures an encoder instance according to the given configuration.
+ *
+ * \param[in]    ctx     Pointer to this instance's context
+ * \param[in]    cfg     Configuration buffer to use
+ *
+ * \retval #VPX_CODEC_OK
+ *     The configuration was populated.
+ * \retval #VPX_CODEC_INCAPABLE
+ *     Interface is not an encoder interface.
+ * \retval #VPX_CODEC_INVALID_PARAM
+ *     A parameter was NULL, or the usage value was not recognized.
+ */
+vpx_codec_err_t vpx_codec_enc_config_set(vpx_codec_ctx_t *ctx,
+                                         const vpx_codec_enc_cfg_t *cfg);
+
+/*!\brief Get global stream headers
+ *
+ * Retrieves a stream level global header packet, if supported by the codec.
+ *
+ * \param[in]    ctx     Pointer to this instance's context
+ *
+ * \retval NULL
+ *     Encoder does not support global header
+ * \retval Non-NULL
+ *     Pointer to buffer containing global header packet
+ */
+vpx_fixed_buf_t *vpx_codec_get_global_headers(vpx_codec_ctx_t *ctx);
+
+/*!\brief deadline parameter analogous to VPx REALTIME mode. */
+#define VPX_DL_REALTIME (1)
+/*!\brief deadline parameter analogous to  VPx GOOD QUALITY mode. */
+#define VPX_DL_GOOD_QUALITY (1000000)
+/*!\brief deadline parameter analogous to VPx BEST QUALITY mode. */
+#define VPX_DL_BEST_QUALITY (0)
+/*!\brief Encode a frame
+ *
+ * Encodes a video frame at the given "presentation time." The presentation
+ * time stamp (PTS) \ref MUST be strictly increasing.
+ *
+ * The encoder supports the notion of a soft real-time deadline. Given a
+ * non-zero value to the deadline parameter, the encoder will make a "best
+ * effort" guarantee to  return before the given time slice expires. It is
+ * implicit that limiting the available time to encode will degrade the
+ * output quality. The encoder can be given an unlimited time to produce the
+ * best possible frame by specifying a deadline of '0'. This deadline
+ * supercedes the VPx notion of "best quality, good quality, realtime".
+ * Applications that wish to map these former settings to the new deadline
+ * based system can use the symbols #VPX_DL_REALTIME, #VPX_DL_GOOD_QUALITY,
+ * and #VPX_DL_BEST_QUALITY.
+ *
+ * When the last frame has been passed to the encoder, this function should
+ * continue to be called, with the img parameter set to NULL. This will
+ * signal the end-of-stream condition to the encoder and allow it to encode
+ * any held buffers. Encoding is complete when vpx_codec_encode() is called
+ * and vpx_codec_get_cx_data() returns no data.
+ *
+ * \param[in]    ctx       Pointer to this instance's context
+ * \param[in]    img       Image data to encode, NULL to flush.
+ * \param[in]    pts       Presentation time stamp, in timebase units.
+ * \param[in]    duration  Duration to show frame, in timebase units.
+ * \param[in]    flags     Flags to use for encoding this frame.
+ * \param[in]    deadline  Time to spend encoding, in microseconds. (0=infinite)
+ *
+ * \retval #VPX_CODEC_OK
+ *     The configuration was populated.
+ * \retval #VPX_CODEC_INCAPABLE
+ *     Interface is not an encoder interface.
+ * \retval #VPX_CODEC_INVALID_PARAM
+ *     A parameter was NULL, the image format is unsupported, etc.
+ */
+vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img,
+                                 vpx_codec_pts_t pts, unsigned long duration,
+                                 vpx_enc_frame_flags_t flags,
+                                 unsigned long deadline);
+
+/*!\brief Set compressed data output buffer
+ *
+ * Sets the buffer that the codec should output the compressed data
+ * into. This call effectively sets the buffer pointer returned in the
+ * next VPX_CODEC_CX_FRAME_PKT packet. Subsequent packets will be
+ * appended into this buffer. The buffer is preserved across frames,
+ * so applications must periodically call this function after flushing
+ * the accumulated compressed data to disk or to the network to reset
+ * the pointer to the buffer's head.
+ *
+ * `pad_before` bytes will be skipped before writing the compressed
+ * data, and `pad_after` bytes will be appended to the packet. The size
+ * of the packet will be the sum of the size of the actual compressed
+ * data, pad_before, and pad_after. The padding bytes will be preserved
+ * (not overwritten).
+ *
+ * Note that calling this function does not guarantee that the returned
+ * compressed data will be placed into the specified buffer. In the
+ * event that the encoded data will not fit into the buffer provided,
+ * the returned packet \ref MAY point to an internal buffer, as it would
+ * if this call were never used. In this event, the output packet will
+ * NOT have any padding, and the application must free space and copy it
+ * to the proper place. This is of particular note in configurations
+ * that may output multiple packets for a single encoded frame (e.g., lagged
+ * encoding) or if the application does not reset the buffer periodically.
+ *
+ * Applications may restore the default behavior of the codec providing
+ * the compressed data buffer by calling this function with a NULL
+ * buffer.
+ *
+ * Applications \ref MUSTNOT call this function during iteration of
+ * vpx_codec_get_cx_data().
+ *
+ * \param[in]    ctx         Pointer to this instance's context
+ * \param[in]    buf         Buffer to store compressed data into
+ * \param[in]    pad_before  Bytes to skip before writing compressed data
+ * \param[in]    pad_after   Bytes to skip after writing compressed data
+ *
+ * \retval #VPX_CODEC_OK
+ *     The buffer was set successfully.
+ * \retval #VPX_CODEC_INVALID_PARAM
+ *     A parameter was NULL, the image format is unsupported, etc.
+ */
+vpx_codec_err_t vpx_codec_set_cx_data_buf(vpx_codec_ctx_t *ctx,
+                                          const vpx_fixed_buf_t *buf,
+                                          unsigned int pad_before,
+                                          unsigned int pad_after);
 
+/*!\brief Encoded data iterator
+ *
+ * Iterates over a list of data packets to be passed from the encoder to the
+ * application. The different kinds of packets available are enumerated in
+ * #vpx_codec_cx_pkt_kind.
+ *
+ * #VPX_CODEC_CX_FRAME_PKT packets should be passed to the application's
+ * muxer. Multiple compressed frames may be in the list.
+ * #VPX_CODEC_STATS_PKT packets should be appended to a global buffer.
+ *
+ * The application \ref MUST silently ignore any packet kinds that it does
+ * not recognize or support.
+ *
+ * The data buffers returned from this function are only guaranteed to be
+ * valid until the application makes another call to any vpx_codec_* function.
+ *
+ * \param[in]     ctx      Pointer to this instance's context
+ * \param[in,out] iter     Iterator storage, initialized to NULL
+ *
+ * \return Returns a pointer to an output data packet (compressed frame data,
+ *         two-pass statistics, etc.) or NULL to signal end-of-list.
+ *
+ */
+const vpx_codec_cx_pkt_t *vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx,
+                                                vpx_codec_iter_t *iter);
 
-  /*!@} - end defgroup encoder*/
+/*!\brief Get Preview Frame
+ *
+ * Returns an image that can be used as a preview. Shows the image as it would
+ * exist at the decompressor. The application \ref MUST NOT write into this
+ * image buffer.
+ *
+ * \param[in]     ctx      Pointer to this instance's context
+ *
+ * \return Returns a pointer to a preview image, or NULL if no image is
+ *         available.
+ *
+ */
+const vpx_image_t *vpx_codec_get_preview_frame(vpx_codec_ctx_t *ctx);
+
+/*!@} - end defgroup encoder*/
 #ifdef __cplusplus
 }
 #endif
-#endif
-
+#endif  // VPX_VPX_ENCODER_H_
diff --git a/protocols/Tox/include/vpx/vpx_frame_buffer.h b/protocols/Tox/include/vpx/vpx_frame_buffer.h
new file mode 100644
index 0000000000..ad70cdd572
--- /dev/null
+++ b/protocols/Tox/include/vpx/vpx_frame_buffer.h
@@ -0,0 +1,83 @@
+/*
+ *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VPX_FRAME_BUFFER_H_
+#define VPX_VPX_FRAME_BUFFER_H_
+
+/*!\file
+ * \brief Describes the decoder external frame buffer interface.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "./vpx_integer.h"
+
+/*!\brief The maximum number of work buffers used by libvpx.
+ *  Support maximum 4 threads to decode video in parallel.
+ *  Each thread will use one work buffer.
+ * TODO(hkuang): Add support to set number of worker threads dynamically.
+ */
+#define VPX_MAXIMUM_WORK_BUFFERS 8
+
+/*!\brief The maximum number of reference buffers that a VP9 encoder may use.
+ */
+#define VP9_MAXIMUM_REF_BUFFERS 8
+
+/*!\brief External frame buffer
+ *
+ * This structure holds allocated frame buffers used by the decoder.
+ */
+typedef struct vpx_codec_frame_buffer {
+  uint8_t *data; /**< Pointer to the data buffer */
+  size_t size;   /**< Size of data in bytes */
+  void *priv;    /**< Frame's private data */
+} vpx_codec_frame_buffer_t;
+
+/*!\brief get frame buffer callback prototype
+ *
+ * This callback is invoked by the decoder to retrieve data for the frame
+ * buffer in order for the decode call to complete. The callback must
+ * allocate at least min_size in bytes and assign it to fb->data. The callback
+ * must zero out all the data allocated. Then the callback must set fb->size
+ * to the allocated size. The application does not need to align the allocated
+ * data. The callback is triggered when the decoder needs a frame buffer to
+ * decode a compressed image into. This function may be called more than once
+ * for every call to vpx_codec_decode. The application may set fb->priv to
+ * some data which will be passed back in the ximage and the release function
+ * call. |fb| is guaranteed to not be NULL. On success the callback must
+ * return 0. Any failure the callback must return a value less than 0.
+ *
+ * \param[in] priv         Callback's private data
+ * \param[in] new_size     Size in bytes needed by the buffer
+ * \param[in,out] fb       Pointer to vpx_codec_frame_buffer_t
+ */
+typedef int (*vpx_get_frame_buffer_cb_fn_t)(void *priv, size_t min_size,
+                                            vpx_codec_frame_buffer_t *fb);
+
+/*!\brief release frame buffer callback prototype
+ *
+ * This callback is invoked by the decoder when the frame buffer is not
+ * referenced by any other buffers. |fb| is guaranteed to not be NULL. On
+ * success the callback must return 0. Any failure the callback must return
+ * a value less than 0.
+ *
+ * \param[in] priv         Callback's private data
+ * \param[in] fb           Pointer to vpx_codec_frame_buffer_t
+ */
+typedef int (*vpx_release_frame_buffer_cb_fn_t)(void *priv,
+                                                vpx_codec_frame_buffer_t *fb);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VPX_FRAME_BUFFER_H_
diff --git a/protocols/Tox/include/vpx/vpx_image.h b/protocols/Tox/include/vpx/vpx_image.h
index c304bacd07..d6d3166d2f 100644
--- a/protocols/Tox/include/vpx/vpx_image.h
+++ b/protocols/Tox/include/vpx/vpx_image.h
@@ -8,236 +8,217 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-
 /*!\file
  * \brief Describes the vpx image descriptor and associated operations
  *
  */
+#ifndef VPX_VPX_IMAGE_H_
+#define VPX_VPX_IMAGE_H_
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#ifndef VPX_IMAGE_H
-#define VPX_IMAGE_H
-
-  /*!\brief Current ABI version number
-   *
-   * \internal
-   * If this file is altered in any way that changes the ABI, this value
-   * must be bumped.  Examples include, but are not limited to, changing
-   * types, removing or reassigning enums, adding/removing/rearranging
-   * fields to structures
-   */
-#define VPX_IMAGE_ABI_VERSION (1) /**<\hideinitializer*/
-
-
-#define VPX_IMG_FMT_PLANAR     0x100  /**< Image is a planar format */
-#define VPX_IMG_FMT_UV_FLIP    0x200  /**< V plane precedes U plane in memory */
-#define VPX_IMG_FMT_HAS_ALPHA  0x400  /**< Image has an alpha channel component */
-
-
-  /*!\brief List of supported image formats */
-  typedef enum vpx_img_fmt {
-    VPX_IMG_FMT_NONE,
-    VPX_IMG_FMT_RGB24,   /**< 24 bit per pixel packed RGB */
-    VPX_IMG_FMT_RGB32,   /**< 32 bit per pixel packed 0RGB */
-    VPX_IMG_FMT_RGB565,  /**< 16 bit per pixel, 565 */
-    VPX_IMG_FMT_RGB555,  /**< 16 bit per pixel, 555 */
-    VPX_IMG_FMT_UYVY,    /**< UYVY packed YUV */
-    VPX_IMG_FMT_YUY2,    /**< YUYV packed YUV */
-    VPX_IMG_FMT_YVYU,    /**< YVYU packed YUV */
-    VPX_IMG_FMT_BGR24,   /**< 24 bit per pixel packed BGR */
-    VPX_IMG_FMT_RGB32_LE, /**< 32 bit packed BGR0 */
-    VPX_IMG_FMT_ARGB,     /**< 32 bit packed ARGB, alpha=255 */
-    VPX_IMG_FMT_ARGB_LE,  /**< 32 bit packed BGRA, alpha=255 */
-    VPX_IMG_FMT_RGB565_LE,  /**< 16 bit per pixel, gggbbbbb rrrrrggg */
-    VPX_IMG_FMT_RGB555_LE,  /**< 16 bit per pixel, gggbbbbb 0rrrrrgg */
-    VPX_IMG_FMT_YV12    = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 1, /**< planar YVU */
-    VPX_IMG_FMT_I420    = VPX_IMG_FMT_PLANAR | 2,
-    VPX_IMG_FMT_VPXYV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 3, /** < planar 4:2:0 format with vpx color space */
-    VPX_IMG_FMT_VPXI420 = VPX_IMG_FMT_PLANAR | 4,
-    VPX_IMG_FMT_I422    = VPX_IMG_FMT_PLANAR | 5,
-    VPX_IMG_FMT_I444    = VPX_IMG_FMT_PLANAR | 6,
-    VPX_IMG_FMT_444A    = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_HAS_ALPHA | 7
-  } vpx_img_fmt_t; /**< alias for enum vpx_img_fmt */
-
-#if !defined(VPX_CODEC_DISABLE_COMPAT) || !VPX_CODEC_DISABLE_COMPAT
-#define IMG_FMT_PLANAR         VPX_IMG_FMT_PLANAR     /**< \deprecated Use #VPX_IMG_FMT_PLANAR */
-#define IMG_FMT_UV_FLIP        VPX_IMG_FMT_UV_FLIP    /**< \deprecated Use #VPX_IMG_FMT_UV_FLIP */
-#define IMG_FMT_HAS_ALPHA      VPX_IMG_FMT_HAS_ALPHA  /**< \deprecated Use #VPX_IMG_FMT_HAS_ALPHA */
-
-  /*!\brief Deprecated list of supported image formats
-   * \deprecated New code should use #vpx_img_fmt
-   */
-#define img_fmt   vpx_img_fmt
-  /*!\brief alias for enum img_fmt.
-   * \deprecated New code should use #vpx_img_fmt_t
-   */
-#define img_fmt_t vpx_img_fmt_t
-
-#define IMG_FMT_NONE       VPX_IMG_FMT_NONE       /**< \deprecated Use #VPX_IMG_FMT_NONE */
-#define IMG_FMT_RGB24      VPX_IMG_FMT_RGB24      /**< \deprecated Use #VPX_IMG_FMT_RGB24 */
-#define IMG_FMT_RGB32      VPX_IMG_FMT_RGB32      /**< \deprecated Use #VPX_IMG_FMT_RGB32 */
-#define IMG_FMT_RGB565     VPX_IMG_FMT_RGB565     /**< \deprecated Use #VPX_IMG_FMT_RGB565 */
-#define IMG_FMT_RGB555     VPX_IMG_FMT_RGB555     /**< \deprecated Use #VPX_IMG_FMT_RGB555 */
-#define IMG_FMT_UYVY       VPX_IMG_FMT_UYVY       /**< \deprecated Use #VPX_IMG_FMT_UYVY */
-#define IMG_FMT_YUY2       VPX_IMG_FMT_YUY2       /**< \deprecated Use #VPX_IMG_FMT_YUY2 */
-#define IMG_FMT_YVYU       VPX_IMG_FMT_YVYU       /**< \deprecated Use #VPX_IMG_FMT_YVYU */
-#define IMG_FMT_BGR24      VPX_IMG_FMT_BGR24      /**< \deprecated Use #VPX_IMG_FMT_BGR24 */
-#define IMG_FMT_RGB32_LE   VPX_IMG_FMT_RGB32_LE   /**< \deprecated Use #VPX_IMG_FMT_RGB32_LE */
-#define IMG_FMT_ARGB       VPX_IMG_FMT_ARGB       /**< \deprecated Use #VPX_IMG_FMT_ARGB */
-#define IMG_FMT_ARGB_LE    VPX_IMG_FMT_ARGB_LE    /**< \deprecated Use #VPX_IMG_FMT_ARGB_LE */
-#define IMG_FMT_RGB565_LE  VPX_IMG_FMT_RGB565_LE  /**< \deprecated Use #VPX_IMG_FMT_RGB565_LE */
-#define IMG_FMT_RGB555_LE  VPX_IMG_FMT_RGB555_LE  /**< \deprecated Use #VPX_IMG_FMT_RGB555_LE */
-#define IMG_FMT_YV12       VPX_IMG_FMT_YV12       /**< \deprecated Use #VPX_IMG_FMT_YV12 */
-#define IMG_FMT_I420       VPX_IMG_FMT_I420       /**< \deprecated Use #VPX_IMG_FMT_I420 */
-#define IMG_FMT_VPXYV12    VPX_IMG_FMT_VPXYV12    /**< \deprecated Use #VPX_IMG_FMT_VPXYV12 */
-#define IMG_FMT_VPXI420    VPX_IMG_FMT_VPXI420    /**< \deprecated Use #VPX_IMG_FMT_VPXI420 */
-#endif /* VPX_CODEC_DISABLE_COMPAT */
-
-  /**\brief Image Descriptor */
-  typedef struct vpx_image {
-    vpx_img_fmt_t fmt; /**< Image Format */
-
-    /* Image storage dimensions */
-    unsigned int  w;   /**< Stored image width */
-    unsigned int  h;   /**< Stored image height */
-
-    /* Image display dimensions */
-    unsigned int  d_w;   /**< Displayed image width */
-    unsigned int  d_h;   /**< Displayed image height */
-
-    /* Chroma subsampling info */
-    unsigned int  x_chroma_shift;   /**< subsampling order, X */
-    unsigned int  y_chroma_shift;   /**< subsampling order, Y */
-
-    /* Image data pointers. */
-#define VPX_PLANE_PACKED 0   /**< To be used for all packed formats */
-#define VPX_PLANE_Y      0   /**< Y (Luminance) plane */
-#define VPX_PLANE_U      1   /**< U (Chroma) plane */
-#define VPX_PLANE_V      2   /**< V (Chroma) plane */
-#define VPX_PLANE_ALPHA  3   /**< A (Transparency) plane */
-#if !defined(VPX_CODEC_DISABLE_COMPAT) || !VPX_CODEC_DISABLE_COMPAT
-#define PLANE_PACKED     VPX_PLANE_PACKED
-#define PLANE_Y          VPX_PLANE_Y
-#define PLANE_U          VPX_PLANE_U
-#define PLANE_V          VPX_PLANE_V
-#define PLANE_ALPHA      VPX_PLANE_ALPHA
-#endif
-    unsigned char *planes[4];  /**< pointer to the top left pixel for each plane */
-    int      stride[4];  /**< stride between rows for each plane */
-
-    int     bps; /**< bits per sample (for packed formats) */
-
-    /* The following member may be set by the application to associate data
-     * with this image.
-     */
-    void    *user_priv; /**< may be set by the application to associate data
-                         *   with this image. */
-
-    /* The following members should be treated as private. */
-    unsigned char *img_data;       /**< private */
-    int      img_data_owner; /**< private */
-    int      self_allocd;    /**< private */
-  } vpx_image_t; /**< alias for struct vpx_image */
-
-  /**\brief Representation of a rectangle on a surface */
-  typedef struct vpx_image_rect {
-    unsigned int x; /**< leftmost column */
-    unsigned int y; /**< topmost row */
-    unsigned int w; /**< width */
-    unsigned int h; /**< height */
-  } vpx_image_rect_t; /**< alias for struct vpx_image_rect */
-
-  /*!\brief Open a descriptor, allocating storage for the underlying image
-   *
-   * Returns a descriptor for storing an image of the given format. The
-   * storage for the descriptor is allocated on the heap.
-   *
-   * \param[in]    img       Pointer to storage for descriptor. If this parameter
-   *                         is NULL, the storage for the descriptor will be
-   *                         allocated on the heap.
-   * \param[in]    fmt       Format for the image
-   * \param[in]    d_w       Width of the image
-   * \param[in]    d_h       Height of the image
-   * \param[in]    align     Alignment, in bytes, of the image buffer and
-   *                         each row in the image(stride).
-   *
-   * \return Returns a pointer to the initialized image descriptor. If the img
-   *         parameter is non-null, the value of the img parameter will be
-   *         returned.
-   */
-  vpx_image_t *vpx_img_alloc(vpx_image_t  *img,
-                             vpx_img_fmt_t fmt,
-                             unsigned int d_w,
-                             unsigned int d_h,
-                             unsigned int align);
-
-  /*!\brief Open a descriptor, using existing storage for the underlying image
-   *
-   * Returns a descriptor for storing an image of the given format. The
-   * storage for descriptor has been allocated elsewhere, and a descriptor is
-   * desired to "wrap" that storage.
-   *
-   * \param[in]    img       Pointer to storage for descriptor. If this parameter
-   *                         is NULL, the storage for the descriptor will be
-   *                         allocated on the heap.
-   * \param[in]    fmt       Format for the image
-   * \param[in]    d_w       Width of the image
-   * \param[in]    d_h       Height of the image
-   * \param[in]    align     Alignment, in bytes, of each row in the image.
-   * \param[in]    img_data  Storage to use for the image
-   *
-   * \return Returns a pointer to the initialized image descriptor. If the img
-   *         parameter is non-null, the value of the img parameter will be
-   *         returned.
-   */
-  vpx_image_t *vpx_img_wrap(vpx_image_t  *img,
-                            vpx_img_fmt_t fmt,
-                            unsigned int d_w,
-                            unsigned int d_h,
-                            unsigned int align,
-                            unsigned char      *img_data);
-
-
-  /*!\brief Set the rectangle identifying the displayed portion of the image
-   *
-   * Updates the displayed rectangle (aka viewport) on the image surface to
-   * match the specified coordinates and size.
-   *
-   * \param[in]    img       Image descriptor
-   * \param[in]    x         leftmost column
-   * \param[in]    y         topmost row
-   * \param[in]    w         width
-   * \param[in]    h         height
-   *
-   * \return 0 if the requested rectangle is valid, nonzero otherwise.
-   */
-  int vpx_img_set_rect(vpx_image_t  *img,
-                       unsigned int  x,
-                       unsigned int  y,
-                       unsigned int  w,
-                       unsigned int  h);
-
-
-  /*!\brief Flip the image vertically (top for bottom)
-   *
-   * Adjusts the image descriptor's pointers and strides to make the image
-   * be referenced upside-down.
-   *
-   * \param[in]    img       Image descriptor
+/*!\brief Current ABI version number
+ *
+ * \internal
+ * If this file is altered in any way that changes the ABI, this value
+ * must be bumped.  Examples include, but are not limited to, changing
+ * types, removing or reassigning enums, adding/removing/rearranging
+ * fields to structures
+ */
+#define VPX_IMAGE_ABI_VERSION (4) /**<\hideinitializer*/
+
+#define VPX_IMG_FMT_PLANAR 0x100       /**< Image is a planar format. */
+#define VPX_IMG_FMT_UV_FLIP 0x200      /**< V plane precedes U in memory. */
+#define VPX_IMG_FMT_HAS_ALPHA 0x400    /**< Image has an alpha channel. */
+#define VPX_IMG_FMT_HIGHBITDEPTH 0x800 /**< Image uses 16bit framebuffer. */
+
+/*!\brief List of supported image formats */
+typedef enum vpx_img_fmt {
+  VPX_IMG_FMT_NONE,
+  VPX_IMG_FMT_RGB24,     /**< 24 bit per pixel packed RGB */
+  VPX_IMG_FMT_RGB32,     /**< 32 bit per pixel packed 0RGB */
+  VPX_IMG_FMT_RGB565,    /**< 16 bit per pixel, 565 */
+  VPX_IMG_FMT_RGB555,    /**< 16 bit per pixel, 555 */
+  VPX_IMG_FMT_UYVY,      /**< UYVY packed YUV */
+  VPX_IMG_FMT_YUY2,      /**< YUYV packed YUV */
+  VPX_IMG_FMT_YVYU,      /**< YVYU packed YUV */
+  VPX_IMG_FMT_BGR24,     /**< 24 bit per pixel packed BGR */
+  VPX_IMG_FMT_RGB32_LE,  /**< 32 bit packed BGR0 */
+  VPX_IMG_FMT_ARGB,      /**< 32 bit packed ARGB, alpha=255 */
+  VPX_IMG_FMT_ARGB_LE,   /**< 32 bit packed BGRA, alpha=255 */
+  VPX_IMG_FMT_RGB565_LE, /**< 16 bit per pixel, gggbbbbb rrrrrggg */
+  VPX_IMG_FMT_RGB555_LE, /**< 16 bit per pixel, gggbbbbb 0rrrrrgg */
+  VPX_IMG_FMT_YV12 =
+      VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 1, /**< planar YVU */
+  VPX_IMG_FMT_I420 = VPX_IMG_FMT_PLANAR | 2,
+  VPX_IMG_FMT_VPXYV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP |
+                        3, /** < planar 4:2:0 format with vpx color space */
+  VPX_IMG_FMT_VPXI420 = VPX_IMG_FMT_PLANAR | 4,
+  VPX_IMG_FMT_I422 = VPX_IMG_FMT_PLANAR | 5,
+  VPX_IMG_FMT_I444 = VPX_IMG_FMT_PLANAR | 6,
+  VPX_IMG_FMT_I440 = VPX_IMG_FMT_PLANAR | 7,
+  VPX_IMG_FMT_444A = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_HAS_ALPHA | 6,
+  VPX_IMG_FMT_I42016 = VPX_IMG_FMT_I420 | VPX_IMG_FMT_HIGHBITDEPTH,
+  VPX_IMG_FMT_I42216 = VPX_IMG_FMT_I422 | VPX_IMG_FMT_HIGHBITDEPTH,
+  VPX_IMG_FMT_I44416 = VPX_IMG_FMT_I444 | VPX_IMG_FMT_HIGHBITDEPTH,
+  VPX_IMG_FMT_I44016 = VPX_IMG_FMT_I440 | VPX_IMG_FMT_HIGHBITDEPTH
+} vpx_img_fmt_t; /**< alias for enum vpx_img_fmt */
+
+/*!\brief List of supported color spaces */
+typedef enum vpx_color_space {
+  VPX_CS_UNKNOWN = 0,   /**< Unknown */
+  VPX_CS_BT_601 = 1,    /**< BT.601 */
+  VPX_CS_BT_709 = 2,    /**< BT.709 */
+  VPX_CS_SMPTE_170 = 3, /**< SMPTE.170 */
+  VPX_CS_SMPTE_240 = 4, /**< SMPTE.240 */
+  VPX_CS_BT_2020 = 5,   /**< BT.2020 */
+  VPX_CS_RESERVED = 6,  /**< Reserved */
+  VPX_CS_SRGB = 7       /**< sRGB */
+} vpx_color_space_t;    /**< alias for enum vpx_color_space */
+
+/*!\brief List of supported color range */
+typedef enum vpx_color_range {
+  VPX_CR_STUDIO_RANGE = 0, /**< Y [16..235], UV [16..240] */
+  VPX_CR_FULL_RANGE = 1    /**< YUV/RGB [0..255] */
+} vpx_color_range_t;       /**< alias for enum vpx_color_range */
+
+/**\brief Image Descriptor */
+typedef struct vpx_image {
+  vpx_img_fmt_t fmt;       /**< Image Format */
+  vpx_color_space_t cs;    /**< Color Space */
+  vpx_color_range_t range; /**< Color Range */
+
+  /* Image storage dimensions */
+  unsigned int w;         /**< Stored image width */
+  unsigned int h;         /**< Stored image height */
+  unsigned int bit_depth; /**< Stored image bit-depth */
+
+  /* Image display dimensions */
+  unsigned int d_w; /**< Displayed image width */
+  unsigned int d_h; /**< Displayed image height */
+
+  /* Image intended rendering dimensions */
+  unsigned int r_w; /**< Intended rendering image width */
+  unsigned int r_h; /**< Intended rendering image height */
+
+  /* Chroma subsampling info */
+  unsigned int x_chroma_shift; /**< subsampling order, X */
+  unsigned int y_chroma_shift; /**< subsampling order, Y */
+
+/* Image data pointers. */
+#define VPX_PLANE_PACKED 0  /**< To be used for all packed formats */
+#define VPX_PLANE_Y 0       /**< Y (Luminance) plane */
+#define VPX_PLANE_U 1       /**< U (Chroma) plane */
+#define VPX_PLANE_V 2       /**< V (Chroma) plane */
+#define VPX_PLANE_ALPHA 3   /**< A (Transparency) plane */
+  unsigned char *planes[4]; /**< pointer to the top left pixel for each plane */
+  int stride[4];            /**< stride between rows for each plane */
+
+  int bps; /**< bits per sample (for packed formats) */
+
+  /*!\brief The following member may be set by the application to associate
+   * data with this image.
    */
-  void vpx_img_flip(vpx_image_t *img);
+  void *user_priv;
 
-  /*!\brief Close an image descriptor
-   *
-   * Frees all allocated storage associated with an image descriptor.
-   *
-   * \param[in]    img       Image descriptor
-   */
-  void vpx_img_free(vpx_image_t *img);
+  /* The following members should be treated as private. */
+  unsigned char *img_data; /**< private */
+  int img_data_owner;      /**< private */
+  int self_allocd;         /**< private */
+
+  void *fb_priv; /**< Frame buffer data associated with the image. */
+} vpx_image_t;   /**< alias for struct vpx_image */
+
+/**\brief Representation of a rectangle on a surface */
+typedef struct vpx_image_rect {
+  unsigned int x;   /**< leftmost column */
+  unsigned int y;   /**< topmost row */
+  unsigned int w;   /**< width */
+  unsigned int h;   /**< height */
+} vpx_image_rect_t; /**< alias for struct vpx_image_rect */
+
+/*!\brief Open a descriptor, allocating storage for the underlying image
+ *
+ * Returns a descriptor for storing an image of the given format. The
+ * storage for the descriptor is allocated on the heap.
+ *
+ * \param[in]    img       Pointer to storage for descriptor. If this parameter
+ *                         is NULL, the storage for the descriptor will be
+ *                         allocated on the heap.
+ * \param[in]    fmt       Format for the image
+ * \param[in]    d_w       Width of the image
+ * \param[in]    d_h       Height of the image
+ * \param[in]    align     Alignment, in bytes, of the image buffer and
+ *                         each row in the image(stride).
+ *
+ * \return Returns a pointer to the initialized image descriptor. If the img
+ *         parameter is non-null, the value of the img parameter will be
+ *         returned.
+ */
+vpx_image_t *vpx_img_alloc(vpx_image_t *img, vpx_img_fmt_t fmt,
+                           unsigned int d_w, unsigned int d_h,
+                           unsigned int align);
+
+/*!\brief Open a descriptor, using existing storage for the underlying image
+ *
+ * Returns a descriptor for storing an image of the given format. The
+ * storage for descriptor has been allocated elsewhere, and a descriptor is
+ * desired to "wrap" that storage.
+ *
+ * \param[in]    img       Pointer to storage for descriptor. If this parameter
+ *                         is NULL, the storage for the descriptor will be
+ *                         allocated on the heap.
+ * \param[in]    fmt       Format for the image
+ * \param[in]    d_w       Width of the image
+ * \param[in]    d_h       Height of the image
+ * \param[in]    align     Alignment, in bytes, of each row in the image.
+ * \param[in]    img_data  Storage to use for the image
+ *
+ * \return Returns a pointer to the initialized image descriptor. If the img
+ *         parameter is non-null, the value of the img parameter will be
+ *         returned.
+ */
+vpx_image_t *vpx_img_wrap(vpx_image_t *img, vpx_img_fmt_t fmt, unsigned int d_w,
+                          unsigned int d_h, unsigned int align,
+                          unsigned char *img_data);
+
+/*!\brief Set the rectangle identifying the displayed portion of the image
+ *
+ * Updates the displayed rectangle (aka viewport) on the image surface to
+ * match the specified coordinates and size.
+ *
+ * \param[in]    img       Image descriptor
+ * \param[in]    x         leftmost column
+ * \param[in]    y         topmost row
+ * \param[in]    w         width
+ * \param[in]    h         height
+ *
+ * \return 0 if the requested rectangle is valid, nonzero otherwise.
+ */
+int vpx_img_set_rect(vpx_image_t *img, unsigned int x, unsigned int y,
+                     unsigned int w, unsigned int h);
+
+/*!\brief Flip the image vertically (top for bottom)
+ *
+ * Adjusts the image descriptor's pointers and strides to make the image
+ * be referenced upside-down.
+ *
+ * \param[in]    img       Image descriptor
+ */
+void vpx_img_flip(vpx_image_t *img);
+
+/*!\brief Close an image descriptor
+ *
+ * Frees all allocated storage associated with an image descriptor.
+ *
+ * \param[in]    img       Image descriptor
+ */
+void vpx_img_free(vpx_image_t *img);
 
-#endif
 #ifdef __cplusplus
-}
+}  // extern "C"
 #endif
+
+#endif  // VPX_VPX_IMAGE_H_
diff --git a/protocols/Tox/include/vpx/vpx_integer.h b/protocols/Tox/include/vpx/vpx_integer.h
index 0ccc96cd12..09bad9222d 100644
--- a/protocols/Tox/include/vpx/vpx_integer.h
+++ b/protocols/Tox/include/vpx/vpx_integer.h
@@ -8,29 +8,29 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-
-#ifndef VPX_INTEGER_H
-#define VPX_INTEGER_H
+#ifndef VPX_VPX_INTEGER_H_
+#define VPX_VPX_INTEGER_H_
 
 /* get ptrdiff_t, size_t, wchar_t, NULL */
 #include <stddef.h>
 
-#if (defined(_MSC_VER) && (_MSC_VER < 1600)) || defined(VPX_EMULATE_INTTYPES)
-typedef signed char  int8_t;
+#if defined(_MSC_VER)
+#define VPX_FORCE_INLINE __forceinline
+#define VPX_INLINE __inline
+#else
+#define VPX_FORCE_INLINE __inline__ __attribute__(always_inline)
+// TODO(jbb): Allow a way to force inline off for older compilers.
+#define VPX_INLINE inline
+#endif
+
+#if defined(VPX_EMULATE_INTTYPES)
+typedef signed char int8_t;
 typedef signed short int16_t;
-typedef signed int   int32_t;
+typedef signed int int32_t;
 
-typedef unsigned char  uint8_t;
+typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
-typedef unsigned int   uint32_t;
-
-#if (defined(_MSC_VER) && (_MSC_VER < 1600))
-typedef signed __int64   int64_t;
-typedef unsigned __int64 uint64_t;
-#define INT64_MAX _I64_MAX
-#define INT16_MAX _I16_MAX
-#define INT16_MIN _I16_MIN
-#endif
+typedef unsigned int uint32_t;
 
 #ifndef _UINTPTR_T_DEFINED
 typedef size_t uintptr_t;
@@ -40,18 +40,24 @@ typedef size_t uintptr_t;
 
 /* Most platforms have the C99 standard integer types. */
 
-#if defined(__cplusplus) && !defined(__STDC_FORMAT_MACROS)
+#if defined(__cplusplus)
+#if !defined(__STDC_FORMAT_MACROS)
 #define __STDC_FORMAT_MACROS
 #endif
+#if !defined(__STDC_LIMIT_MACROS)
+#define __STDC_LIMIT_MACROS
+#endif
+#endif  // __cplusplus
+
 #include <stdint.h>
 
 #endif
 
 /* VS2010 defines stdint.h, but not inttypes.h */
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) && _MSC_VER < 1800
 #define PRId64 "I64d"
 #else
 #include <inttypes.h>
 #endif
 
-#endif
+#endif  // VPX_VPX_INTEGER_H_