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/*
* Copyright (c) 2010 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.
*/
#include "vp8.h"
/*!\defgroup vp8_decoder WebM VP8 Decoder
* \ingroup vp8
*
* @{
*/
/*!\file
* \brief Provides definitions for using the VP8 algorithm within the vpx Decoder
* interface.
*/
#ifndef VP8DX_H
#define VP8DX_H
#ifdef __cplusplus
extern "C" {
#endif
/*!\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.
* @{
*/
extern vpx_codec_iface_t vpx_codec_vp8_dx_algo;
extern vpx_codec_iface_t *vpx_codec_vp8_dx(void);
/* TODO(jkoleszar): These move to VP9 in a later patch set. */
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
*
* This set of macros define the control functions available for the VP8
* decoder interface.
*
* \sa #vpx_codec_control
*/
enum vp8_dec_control_id {
/** control function to get info on which reference frames were updated
* by the last decode
*/
VP8D_GET_LAST_REF_UPDATES = VP8_DECODER_CTRL_ID_START,
/** check if the indicated frame is corrupted */
VP8D_GET_FRAME_CORRUPTED,
/** control function to get info on which reference frames were used
* by the last decode
*/
VP8D_GET_LAST_REF_USED,
/** decryption function to decrypt encoded buffer data immediately
* before decoding. Takes a vp8_decrypt_init, which contains
* a callback function and opaque context pointer.
*/
VP8D_SET_DECRYPTOR,
/** For testing. */
VP9_INVERT_TILE_DECODE_ORDER,
VP8_DECODER_CTRL_ID_MAX
};
/*!\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;
/*!\brief VP8 decoder control function parameter type
*
* Defines the data types that VP8D control functions take. Note that
* additional common controls are defined in vp8.h
*
*/
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(VP9_INVERT_TILE_DECODE_ORDER, int)
/*! @} - end defgroup vp8_decoder */
#ifdef __cplusplus
} // extern "C"
#endif
#endif
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