[FFmpeg-devel] [PATCH]Only expect prores packet offset in mkv if the specified codec id was set

[Carl Eugen Hoyos]

Hi!

Attached patch will be necessary to support decoding broken prores-in-mkv.

Please comment, Carl Eugen
-------------- next part --------------
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 4390b6b..91249a2 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2543,7 +2543,7 @@ static int matroska_parse_frame
         pkt_data = wv_data;
     }
 
-    if (st->codec->codec_id == AV_CODEC_ID_PRORES)
+    if (!strcmp(track->codec_id, "V_PRORES"))
         offset = 8;
 
     pkt = av_mallocz(sizeof(AVPacket));