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| author | Zhao Zhili <zhilizhao@tencent.com> | 2023-02-07 05:25:45 +0800 |
|---|---|---|
| committer | Zhao Zhili <zhilizhao@tencent.com> | 2023-02-19 01:31:45 +0800 |
| commit | 59a9727c241aa50f18e713dbabbdd5cf3d379411 (patch) | |
| tree | e71c8860093154a2dfb42d8b3c2bf1e924ca1110 /libavformat | |
| parent | 9f7e51e513665a72fb753887666259a883487947 (diff) | |
| download | ffmpeg-59a9727c241aa50f18e713dbabbdd5cf3d379411.tar.gz | |
avformat/flvenc: fix EOS tag
FLV spec only has AVC end of sequence tag, and the EOS tag has a
CodecID as other video data packet. MPEG4 doesn't conformance to
the spec, but it's there for a decade. So only 'fix' the EOS tag
rather than remove it completely.
Reviewed-by: Steven Liu <lq@chinaffmpeg.org>
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/flvenc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c index 81d9b6100d..64ea554dad 100644 --- a/libavformat/flvenc.c +++ b/libavformat/flvenc.c @@ -235,13 +235,16 @@ static void put_timestamp(AVIOContext *pb, int64_t ts) { avio_w8(pb, (ts >> 24) & 0x7F); } -static void put_avc_eos_tag(AVIOContext *pb, unsigned ts) +static void put_eos_tag(AVIOContext *pb, unsigned ts, enum AVCodecID codec_id) { + uint32_t tag = ff_codec_get_tag(flv_video_codec_ids, codec_id); + /* ub[4] FrameType = 1, ub[4] CodecId */ + tag |= 1 << 4; avio_w8(pb, FLV_TAG_TYPE_VIDEO); avio_wb24(pb, 5); /* Tag Data Size */ put_timestamp(pb, ts); avio_wb24(pb, 0); /* StreamId = 0 */ - avio_w8(pb, 23); /* ub[4] FrameType = 1, ub[4] CodecId = 7 */ + avio_w8(pb, tag); avio_w8(pb, 2); /* AVC end of sequence */ avio_wb24(pb, 0); /* Always 0 for AVC EOS. */ avio_wb32(pb, 16); /* Size of FLV tag */ @@ -783,7 +786,7 @@ end: FLVStreamContext *sc = s->streams[i]->priv_data; if (par->codec_type == AVMEDIA_TYPE_VIDEO && (par->codec_id == AV_CODEC_ID_H264 || par->codec_id == AV_CODEC_ID_MPEG4)) - put_avc_eos_tag(pb, sc->last_ts); + put_eos_tag(pb, sc->last_ts, par->codec_id); } } |