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Code Issues Releases Wiki Activity

MP3: Support dump stream information. v5.0.117 (#296) (#3339)

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This commit is contained in:
winlin 2022-12-25 21:11:08 +08:00
parent 23b7939574
commit 95defe6dad
8 changed files with 100 additions and 77 deletions
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15
trunk/src/kernel/srs_kernel_codec.cpp
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@ -670,7 +670,8 @@ srs_error_t SrsFormat::on_audio(int64_t timestamp, char* data, int size)
if (codec != SrsAudioCodecIdMP3 && codec != SrsAudioCodecIdAAC) {
return err;
}
bool fresh = !acodec;
if (!acodec) {
acodec = new SrsAudioCodecConfig();
}
@ -686,7 +687,7 @@ srs_error_t SrsFormat::on_audio(int64_t timestamp, char* data, int size)
buffer->skip(-1 * buffer->pos());
if (codec == SrsAudioCodecIdMP3) {
return audio_mp3_demux(buffer, timestamp);
return audio_mp3_demux(buffer, timestamp, fresh);
}
return audio_aac_demux(buffer, timestamp);
@ -755,6 +756,12 @@ bool SrsFormat::is_aac_sequence_header()
&& audio && audio->aac_packet_type == SrsAudioAacFrameTraitSequenceHeader;
}
bool SrsFormat::is_mp3_sequence_header()
{
return acodec && acodec->id == SrsAudioCodecIdMP3
&& audio && audio->aac_packet_type == SrsAudioMp3FrameTraitSequenceHeader;
}
bool SrsFormat::is_avc_sequence_header()
{
bool h264 = (vcodec && vcodec->id == SrsVideoCodecIdAVC);
@ -1449,13 +1456,13 @@ srs_error_t SrsFormat::audio_aac_demux(SrsBuffer* stream, int64_t timestamp)
return err;
}
srs_error_t SrsFormat::audio_mp3_demux(SrsBuffer* stream, int64_t timestamp)
srs_error_t SrsFormat::audio_mp3_demux(SrsBuffer* stream, int64_t timestamp, bool fresh)
{
srs_error_t err = srs_success;
audio->cts = 0;
audio->dts = timestamp;
audio->aac_packet_type = SrsAudioMp3FrameTrait;
audio->aac_packet_type = fresh ? SrsAudioMp3FrameTraitSequenceHeader : SrsAudioMp3FrameTraitRawData;
// @see: E.4.2 Audio Tags, video_file_format_spec_v10_1.pdf, page 76
int8_t sound_format = stream->read_1bytes();