diff options
Diffstat (limited to 'protocols/Tox/include/vpx/vpx_image.h')
| -rw-r--r-- | protocols/Tox/include/vpx/vpx_image.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/protocols/Tox/include/vpx/vpx_image.h b/protocols/Tox/include/vpx/vpx_image.h new file mode 100644 index 0000000000..c304bacd07 --- /dev/null +++ b/protocols/Tox/include/vpx/vpx_image.h @@ -0,0 +1,243 @@ +/* + * 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. + */ + + +/*!\file + * \brief Describes the vpx image descriptor and associated operations + * + */ +#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 + */ + 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 +} +#endif |