diff options
Diffstat (limited to 'thirdparties/iphone/include/vpx/vpx_image.h')
-rwxr-xr-x | thirdparties/iphone/include/vpx/vpx_image.h | 217 |
1 files changed, 109 insertions, 108 deletions
diff --git a/thirdparties/iphone/include/vpx/vpx_image.h b/thirdparties/iphone/include/vpx/vpx_image.h index c06d351..ac5de63 100755 --- a/thirdparties/iphone/include/vpx/vpx_image.h +++ b/thirdparties/iphone/include/vpx/vpx_image.h @@ -20,14 +20,14 @@ extern "C" { #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 - */ +/*!\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 (3) /**<\hideinitializer*/ @@ -36,8 +36,8 @@ extern "C" { #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 { +/*!\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 */ @@ -64,10 +64,11 @@ extern "C" { 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 */ +} +vpx_img_fmt_t; /**< alias for enum vpx_img_fmt */ - /*!\brief List of supported color spaces */ - typedef enum vpx_color_space { +/*!\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 */ @@ -76,10 +77,10 @@ extern "C" { 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 */ +} vpx_color_space_t; /**< alias for enum vpx_color_space */ - /**\brief Image Descriptor */ - typedef struct vpx_image { +/**\brief Image Descriptor */ +typedef struct vpx_image { vpx_img_fmt_t fmt; /**< Image Format */ vpx_color_space_t cs; /**< Color Space */ @@ -119,103 +120,103 @@ extern "C" { int self_allocd; /**< private */ void *fb_priv; /**< Frame buffer data associated with the image. */ - } vpx_image_t; /**< alias for struct vpx_image */ +} vpx_image_t; /**< alias for struct vpx_image */ - /**\brief Representation of a rectangle on a surface */ - typedef struct vpx_image_rect { +/**\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); +} 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); #ifdef __cplusplus } // extern "C" |