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avformat/flvenc: fix missing sequence start with MP3 tracks

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When muxing to FLV/RTMP a MP3 track with an ID greater than zero,
enhanced RTMP has to be used, and a sequence start should preceed track
data.

This is already implemented (see line 823 of flvenc.c) but the code is
never reached due to a too-strict condition before it. This patch fixes
the issue.

Signed-off-by: Alessandro Ros <aler9.dev@gmail.com>
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
This commit is contained in:
Alessandro Ros 2025-01-05 13:13:19 +01:00 • committed by Timo Rothenpieler
parent b32a1a69a4
commit 9fe66c7fcb
1 changed files with 1 additions and 0 deletions
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libavformat/flvenc.c
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@ -807,6 +807,7 @@ static void flv_write_codec_header(AVFormatContext* s, AVCodecParameters* par, i
if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264
|| par->codec_id == AV_CODEC_ID_MPEG4 || par->codec_id == AV_CODEC_ID_HEVC
|| par->codec_id == AV_CODEC_ID_AV1 || par->codec_id == AV_CODEC_ID_VP9
|| (par->codec_id == AV_CODEC_ID_MP3 && track_idx)
|| par->codec_id == AV_CODEC_ID_OPUS || par->codec_id == AV_CODEC_ID_FLAC
|| par->codec_id == AV_CODEC_ID_AC3 || par->codec_id == AV_CODEC_ID_EAC3) {
int64_t pos;