The value in AVCodecParameters->codec_tag may not be correct for IVF,
as it's the case when remuxing AV1 streams from mp4, so ignore it and
write the correct value based on codec ID instead.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavformat/ivfenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/ivfenc.c b/libavformat/ivfenc.c
index af803d59ee..66441a2a43 100644
--- a/libavformat/ivfenc.c
+++ b/libavformat/ivfenc.c
@@ -46,7 +46,7 @@ static int ivf_write_header(AVFormatContext *s)
avio_write(pb, "DKIF", 4);
avio_wl16(pb, 0); // version
avio_wl16(pb, 32); // header length
- avio_wl32(pb, par->codec_tag ? par->codec_tag :
+ avio_wl32(pb,
par->codec_id == AV_CODEC_ID_VP9 ? AV_RL32("VP90") :
par->codec_id == AV_CODEC_ID_VP8 ? AV_RL32("VP80") :
AV_RL32("AV01"));
avio_wl16(pb, par->width);
--
2.19.0
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