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MP3: Fix bug for TS or HLS with mp3 codec. v4.0.269 (#296) (#3333)

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* MP3: Fix bug for TS or HLS with mp3 codec. v4.0.269 (#296)

1. Refresh HLS audio codec if changed in stream.
2. Refresh TS audio codec if changed in stream.
3. Fix mp3 demux bug in SrsFormat::audio_mp3_demux.
4. Use 3(MPEG1) not 4(MPEG2) as PMT stream type, follow FFmpeg.
5. MP3: Update utest for mp3 sample parsing.
6. MP3: Ignore empty frame sample.
7. UTest: Fix utest failed, do not copy files.
This commit is contained in:
Winlin 2022-12-25 11:43:26 +08:00 • committed by GitHub
parent 2573a25101
commit 577cd299e1
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 109 additions and 38 deletions
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28
trunk/src/app/srs_app_hls.cpp
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@ -202,6 +202,7 @@ SrsHlsMuxer::SrsHlsMuxer()
async = new SrsAsyncCallWorker();
context = new SrsTsContext();
segments = new SrsFragmentWindow();
latest_acodec_ = SrsAudioCodecIdForbidden;
memset(key, 0, 16);
memset(iv, 0, 16);
@ -263,6 +264,24 @@ int SrsHlsMuxer::deviation()
return deviation_ts;
}
SrsAudioCodecId SrsHlsMuxer::latest_acodec()
{
// If current context writer exists, we query from it.
if (current && current->tscw) return current->tscw->acodec();
// Get the configured or updated config.
return latest_acodec_;
}
void SrsHlsMuxer::set_latest_acodec(SrsAudioCodecId v)
{
// Refresh the codec in context writer for current segment.
if (current && current->tscw) current->tscw->set_acodec(v);
// Refresh the codec for future segments.
latest_acodec_ = v;
}
srs_error_t SrsHlsMuxer::initialize()
{
return srs_success;
@ -371,6 +390,8 @@ srs_error_t SrsHlsMuxer::segment_open()
srs_warn("hls: use aac for other codec=%s", default_acodec_str.c_str());
}
}
// Now that we know the latest audio codec in stream, use it.
if (latest_acodec_ != SrsAudioCodecIdForbidden) default_acodec = latest_acodec_;
// load the default vcodec from config.
SrsVideoCodecId default_vcodec = SrsVideoCodecIdAVC;
@ -963,6 +984,13 @@ srs_error_t SrsHlsController::on_sequence_header()
srs_error_t SrsHlsController::write_audio(SrsAudioFrame* frame, int64_t pts)
{
srs_error_t err = srs_success;
// Refresh the codec ASAP.
if (muxer->latest_acodec() != frame->acodec()->id) {
srs_trace("HLS: Switch audio codec %d(%s) to %d(%s)", muxer->latest_acodec(), srs_audio_codec_id2str(muxer->latest_acodec()).c_str(),
frame->acodec()->id, srs_audio_codec_id2str(frame->acodec()->id).c_str());
muxer->set_latest_acodec(frame->acodec()->id);
}
// write audio to cache.
if ((err = tsmc->cache_audio(frame, pts)) != srs_success) {