[FFmpeg-devel] [PATCH] avformat/matroskadec: disable parsing for AV1 streams

[James Almer]

Keyframes are signaled at the container level on Matroska/Webm files,
so bitstream parsing for that purpose is unnecessary.

Should speed up demuxing a bit.

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavformat/matroskadec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 81e9bb9bff..491c4ddf35 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2507,7 +2507,8 @@ static int matroska_parse_tracks(AVFormatContext *s)
                           st->codecpar->width  * track->video.display_height * display_height_mul,
                           255);
             }
-            if (st->codecpar->codec_id != AV_CODEC_ID_HEVC)
+            if (st->codecpar->codec_id != AV_CODEC_ID_HEVC &&
+                st->codecpar->codec_id != AV_CODEC_ID_AV1)
                 st->need_parsing = AVSTREAM_PARSE_HEADERS;
 
             if (track->default_duration) {
-- 
2.21.0