If AVOutputFormat.video_codec, audio_codec or subtitle_codec
is AV_CODEC_ID_NONE, it means that there is no default codec
for this format and not that it is supported to mux AV_CODEC_ID_NONE.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavformat/mux_utils.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/libavformat/mux_utils.c b/libavformat/mux_utils.c
index 9d811c14e2..841a19a3a2 100644
--- a/libavformat/mux_utils.c
+++ b/libavformat/mux_utils.c
@@ -39,9 +39,10 @@ int avformat_query_codec(const AVOutputFormat *ofmt, enum
AVCodecID codec_id,
return ffofmt(ofmt)->query_codec(codec_id, std_compliance);
else if (ofmt->codec_tag)
return !!av_codec_get_tag2(ofmt->codec_tag, codec_id, &codec_tag);
- else if (codec_id == ofmt->video_codec ||
- codec_id == ofmt->audio_codec ||
- codec_id == ofmt->subtitle_codec)
+ else if (codec_id != AV_CODEC_ID_NONE &&
+ (codec_id == ofmt->video_codec ||
+ codec_id == ofmt->audio_codec ||
+ codec_id == ofmt->subtitle_codec))
return 1;
}
return AVERROR_PATCHWELCOME;
--
2.40.1
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