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https://gitee.com/openharmony/third_party_ffmpeg
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lavc: deprecate img_get_alpha_info().
It's never been touched or used in any way since it was added in 2003 and only works for PIX_FMT_PAL8, which makes me conclude that nobody's ever used it.
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@ -3500,6 +3500,7 @@ int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_
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enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
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int has_alpha, int *loss_ptr);
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#if FF_API_GET_ALPHA_INFO
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#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */
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#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */
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@ -3507,8 +3508,10 @@ enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelForma
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* Tell if an image really has transparent alpha values.
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* @return ored mask of FF_ALPHA_xxx constants
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*/
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attribute_deprecated
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int img_get_alpha_info(const AVPicture *src,
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enum PixelFormat pix_fmt, int width, int height);
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#endif
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/* deinterlace a picture */
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/* deinterlace - if not supported return -1 */
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@ -862,6 +862,7 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
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return 0;
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}
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#if FF_API_GET_ALPHA_INFO
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/* NOTE: we scan all the pixels to have an exact information */
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static int get_alpha_info_pal8(const AVPicture *src, int width, int height)
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{
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@ -908,6 +909,7 @@ int img_get_alpha_info(const AVPicture *src,
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}
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return ret;
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}
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#endif
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#if !(HAVE_MMX && HAVE_YASM)
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/* filter parameters: [-1 4 2 4 -1] // 8 */
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@ -98,5 +98,8 @@
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#ifndef FF_API_MJPEG_GLOBAL_OPTS
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#define FF_API_MJPEG_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
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#endif
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#ifndef FF_API_GET_ALPHA_INFO
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#define FF_API_GET_ALPHA_INFO (LIBAVCODEC_VERSION_MAJOR < 54)
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#endif
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#endif /* AVCODEC_VERSION_H */
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