@@ -42,6 +42,10 @@ int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);

  */

 AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);

+/**

+ * Return the index into tab at which {a,b} match elements {[0],[1]} of tab.

+ * If there is no such matching pair then size is returned.

+ */

 int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);

 #endif /* AVCODEC_INTERNAL_H */