enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
int has_alpha, int *loss_ptr);
+#if FF_API_GET_ALPHA_INFO
#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */
#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */
* Tell if an image really has transparent alpha values.
* @return ored mask of FF_ALPHA_xxx constants
*/
+attribute_deprecated
int img_get_alpha_info(const AVPicture *src,
enum PixelFormat pix_fmt, int width, int height);
+#endif
/* deinterlace a picture */
/* deinterlace - if not supported return -1 */
return 0;
}
+#if FF_API_GET_ALPHA_INFO
/* NOTE: we scan all the pixels to have an exact information */
static int get_alpha_info_pal8(const AVPicture *src, int width, int height)
{
}
return ret;
}
+#endif
#if !(HAVE_MMX && HAVE_YASM)
/* filter parameters: [-1 4 2 4 -1] // 8 */
#ifndef FF_API_MJPEG_GLOBAL_OPTS
#define FF_API_MJPEG_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
#endif
+#ifndef FF_API_GET_ALPHA_INFO
+#define FF_API_GET_ALPHA_INFO (LIBAVCODEC_VERSION_MAJOR < 54)
+#endif
#endif /* AVCODEC_VERSION_H */