imgconvert: deprecate avcodec_find_best_pix_fmt()

libavcodec/avcodec.h

@@ -4202,7 +4202,10 @@ unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat pix_fmt);
 int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt,
                              int has_alpha);
 
+#if FF_API_FIND_BEST_PIX_FMT
 /**
+ * @deprecated use avcodec_find_best_pix_fmt2() instead.
+ *
  * Find the best pixel format to convert to given a certain source pixel
  * format.  When converting from one pixel format to another, information loss
  * may occur.  For example, when converting from RGB24 to GRAY, the color
@@ -4224,8 +4227,10 @@ int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_
  * @param[out] loss_ptr Combination of flags informing you what kind of losses will occur.
  * @return The best pixel format to convert to or -1 if none was found.
  */
+attribute_deprecated
 enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
                               int has_alpha, int *loss_ptr);
+#endif /* FF_API_FIND_BEST_PIX_FMT */
 
 /**
  * Find the best pixel format to convert to given a certain source pixel

libavcodec/imgconvert.c

@@ -622,6 +622,7 @@ static enum PixelFormat avcodec_find_best_pix_fmt1(enum PixelFormat *pix_fmt_lis
     return dst_pix_fmt;
 }
 
+#if FF_API_FIND_BEST_PIX_FMT
 enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
                               int has_alpha, int *loss_ptr)
 {
@@ -637,6 +638,7 @@ enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelForma
 
     return avcodec_find_best_pix_fmt2(list, src_pix_fmt, has_alpha, loss_ptr);
 }
+#endif /* FF_API_FIND_BEST_PIX_FMT */
 
 enum PixelFormat avcodec_find_best_pix_fmt2(enum PixelFormat *pix_fmt_list,
                                             enum PixelFormat src_pix_fmt,

libavcodec/version.h

@@ -73,5 +73,8 @@
 #ifndef FF_API_DSP_MASK
 #define FF_API_DSP_MASK         (LIBAVCODEC_VERSION_MAJOR < 55)
 #endif
+#ifndef FF_API_FIND_BEST_PIX_FMT
+#define FF_API_FIND_BEST_PIX_FMT (LIBAVCODEC_VERSION_MAJOR < 55)
+#endif
 
 #endif /* AVCODEC_VERSION_H */