[FFmpeg-devel] [PATCH] avformat/matroskadec: ignore CodecPrivate if the stream is VP9

[James Almer]

Defined in a recent revision of https://www.webmproject.org/docs/container/

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavformat/matroskadec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index cda8df2213..edc4f5d476 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2397,6 +2397,10 @@ static int matroska_parse_tracks(AVFormatContext *s)
                 return ret;
         } else if (codec_id == AV_CODEC_ID_PRORES && track->codec_priv.size == 4) {
             fourcc = AV_RL32(track->codec_priv.data);
+        } else if (codec_id == AV_CODEC_ID_VP9 && track->codec_priv.size) {
+            /* we don't need any value stored in CodecPrivate.
+               make sure that it's not exported as extradata. */
+            track->codec_priv.size = 0;
         }
         track->codec_priv.size -= extradata_offset;
 
-- 
2.16.1