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For #299, refine the codec info structure.
This commit is contained in:
winlin
parent
5e419c66f8
commit
c4a510b834
10 changed files with 574 additions and 298 deletions
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@ -36,7 +36,7 @@ using namespace std;
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string srs_codec_video2str(SrsCodecVideo codec)
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{
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switch (codec) {
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case SrsCodecVideoAVC:
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case SrsCodecVideoAVC:
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return "H264";
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case SrsCodecVideoOn2VP6:
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case SrsCodecVideoOn2VP6WithAlphaChannel:
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@ -78,6 +78,185 @@ string srs_codec_audio2str(SrsCodecAudio codec)
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}
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}
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string srs_codec_audio_samplerate2str(SrsCodecAudioSampleRate v)
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{
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switch (v) {
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case SrsCodecAudioSampleRate5512: return "5512";
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case SrsCodecAudioSampleRate11025: return "11025";
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case SrsCodecAudioSampleRate22050: return "22050";
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case SrsCodecAudioSampleRate44100: return "44100";
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default: return "Other";
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}
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}
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SrsFlvCodec::SrsFlvCodec()
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{
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}
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SrsFlvCodec::~SrsFlvCodec()
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{
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}
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bool SrsFlvCodec::video_is_keyframe(char* data, int size)
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{
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// 2bytes required.
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if (size < 1) {
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return false;
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}
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char frame_type = data[0];
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frame_type = (frame_type >> 4) & 0x0F;
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return frame_type == SrsCodecVideoAVCFrameKeyFrame;
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}
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bool SrsFlvCodec::video_is_sequence_header(char* data, int size)
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{
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// sequence header only for h264
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if (!video_is_h264(data, size)) {
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return false;
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}
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// 2bytes required.
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if (size < 2) {
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return false;
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}
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char frame_type = data[0];
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frame_type = (frame_type >> 4) & 0x0F;
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char avc_packet_type = data[1];
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return frame_type == SrsCodecVideoAVCFrameKeyFrame
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&& avc_packet_type == SrsCodecVideoAVCTypeSequenceHeader;
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}
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bool SrsFlvCodec::audio_is_sequence_header(char* data, int size)
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{
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// sequence header only for aac
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if (!audio_is_aac(data, size)) {
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return false;
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}
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// 2bytes required.
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if (size < 2) {
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return false;
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}
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char aac_packet_type = data[1];
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return aac_packet_type == SrsCodecAudioTypeSequenceHeader;
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}
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bool SrsFlvCodec::video_is_h264(char* data, int size)
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{
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// 1bytes required.
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if (size < 1) {
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return false;
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}
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char codec_id = data[0];
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codec_id = codec_id & 0x0F;
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return codec_id == SrsCodecVideoAVC;
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}
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bool SrsFlvCodec::audio_is_aac(char* data, int size)
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{
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// 1bytes required.
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if (size < 1) {
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return false;
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}
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char sound_format = data[0];
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sound_format = (sound_format >> 4) & 0x0F;
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return sound_format == SrsCodecAudioAAC;
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}
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bool SrsFlvCodec::video_is_acceptable(char* data, int size)
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{
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// 1bytes required.
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if (size < 1) {
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return false;
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}
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char frame_type = data[0];
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char codec_id = frame_type & 0x0f;
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frame_type = (frame_type >> 4) & 0x0f;
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if (frame_type < 1 || frame_type > 5) {
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return false;
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}
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if (codec_id < 2 || codec_id > 7) {
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return false;
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}
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return true;
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}
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/**
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* the public data, event HLS disable, others can use it.
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*/
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// 0 = 5.5 kHz = 5512 Hz
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// 1 = 11 kHz = 11025 Hz
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// 2 = 22 kHz = 22050 Hz
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// 3 = 44 kHz = 44100 Hz
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int flv_sample_rates[] = {5512, 11025, 22050, 44100};
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// the sample rates in the codec,
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// in the sequence header.
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int aac_sample_rates[] =
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{
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96000, 88200, 64000, 48000,
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44100, 32000, 24000, 22050,
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16000, 12000, 11025, 8000,
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7350, 0, 0, 0
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};
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string srs_codec_audio_samplesize2str(SrsCodecAudioSampleSize v)
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{
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switch (v) {
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case SrsCodecAudioSampleSize16bit: return "16bits";
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case SrsCodecAudioSampleSize8bit: return "8bits";
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default: return "Other";
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}
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}
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string srs_codec_audio_channels2str(SrsCodecAudioSoundType v)
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{
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switch (v) {
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case SrsCodecAudioSoundTypeStereo: return "Stereo";
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case SrsCodecAudioSoundTypeMono: return "Mono";
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default: return "Other";
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}
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}
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string srs_codec_avc_nalu2str(SrsAvcNaluType nalu_type)
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{
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switch (nalu_type) {
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case SrsAvcNaluTypeNonIDR: return "NonIDR";
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case SrsAvcNaluTypeDataPartitionA: return "DataPartitionA";
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case SrsAvcNaluTypeDataPartitionB: return "DataPartitionB";
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case SrsAvcNaluTypeDataPartitionC: return "DataPartitionC";
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case SrsAvcNaluTypeIDR: return "IDR";
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case SrsAvcNaluTypeSEI: return "SEI";
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case SrsAvcNaluTypeSPS: return "SPS";
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case SrsAvcNaluTypePPS: return "PPS";
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case SrsAvcNaluTypeAccessUnitDelimiter: return "AccessUnitDelimiter";
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case SrsAvcNaluTypeEOSequence: return "EOSequence";
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case SrsAvcNaluTypeEOStream: return "EOStream";
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case SrsAvcNaluTypeFilterData: return "FilterData";
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case SrsAvcNaluTypeSPSExt: return "SPSExt";
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case SrsAvcNaluTypePrefixNALU: return "PrefixNALU";
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case SrsAvcNaluTypeSubsetSPS: return "SubsetSPS";
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case SrsAvcNaluTypeLayerWithoutPartition: return "LayerWithoutPartition";
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case SrsAvcNaluTypeCodedSliceExt: return "CodedSliceExt";
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case SrsAvcNaluTypeReserved: default: return "Other";
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}
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}
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string srs_codec_aac_profile2str(SrsAacProfile aac_profile)
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{
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switch (aac_profile) {
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@ -162,193 +341,68 @@ string srs_codec_avc_level2str(SrsAvcLevel level)
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}
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}
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string srs_codec_audio_samplerate2str(SrsCodecAudioSampleRate v)
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SrsSample::SrsSample()
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{
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switch (v) {
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case SrsCodecAudioSampleRate5512: return "5512";
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case SrsCodecAudioSampleRate11025: return "11025";
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case SrsCodecAudioSampleRate22050: return "22050";
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case SrsCodecAudioSampleRate44100: return "44100";
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default: return "Other";
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}
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nb_unit = 0;
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unit = NULL;
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}
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/**
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* the public data, event HLS disable, others can use it.
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*/
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// 0 = 5.5 kHz = 5512 Hz
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// 1 = 11 kHz = 11025 Hz
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// 2 = 22 kHz = 22050 Hz
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// 3 = 44 kHz = 44100 Hz
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int flv_sample_rates[] = {5512, 11025, 22050, 44100};
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// the sample rates in the codec,
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// in the sequence header.
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int aac_sample_rates[] =
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{
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96000, 88200, 64000, 48000,
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44100, 32000, 24000, 22050,
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16000, 12000, 11025, 8000,
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7350, 0, 0, 0
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};
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SrsFlvCodec::SrsFlvCodec()
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SrsSample::~SrsSample()
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{
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}
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SrsFlvCodec::~SrsFlvCodec()
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SrsCodec::SrsCodec()
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{
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}
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bool SrsFlvCodec::video_is_keyframe(char* data, int size)
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SrsCodec::~SrsCodec()
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{
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// 2bytes required.
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if (size < 1) {
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return false;
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}
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char frame_type = data[0];
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frame_type = (frame_type >> 4) & 0x0F;
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return frame_type == SrsCodecVideoAVCFrameKeyFrame;
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}
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bool SrsFlvCodec::video_is_sequence_header(char* data, int size)
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SrsAudioCodec::SrsAudioCodec()
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{
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// sequence header only for h264
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if (!video_is_h264(data, size)) {
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return false;
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}
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// 2bytes required.
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if (size < 2) {
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return false;
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}
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char frame_type = data[0];
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frame_type = (frame_type >> 4) & 0x0F;
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char avc_packet_type = data[1];
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return frame_type == SrsCodecVideoAVCFrameKeyFrame
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&& avc_packet_type == SrsCodecVideoAVCTypeSequenceHeader;
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acodec = SrsCodecAudioForbidden;
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sound_rate = SrsCodecAudioSampleRateForbidden;
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sound_size = SrsCodecAudioSampleSizeForbidden;
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sound_type = SrsCodecAudioSoundTypeForbidden;
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aac_packet_type = SrsCodecAudioTypeForbidden;
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}
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bool SrsFlvCodec::audio_is_sequence_header(char* data, int size)
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SrsAudioCodec::~SrsAudioCodec()
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{
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// sequence header only for aac
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if (!audio_is_aac(data, size)) {
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return false;
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}
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// 2bytes required.
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if (size < 2) {
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return false;
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}
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char aac_packet_type = data[1];
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return aac_packet_type == SrsCodecAudioTypeSequenceHeader;
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}
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bool SrsFlvCodec::video_is_h264(char* data, int size)
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SrsCodecFlvTag SrsAudioCodec::codec()
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{
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// 1bytes required.
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if (size < 1) {
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return false;
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}
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char codec_id = data[0];
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codec_id = codec_id & 0x0F;
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return codec_id == SrsCodecVideoAVC;
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return SrsCodecFlvTagAudio;
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}
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bool SrsFlvCodec::audio_is_aac(char* data, int size)
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SrsVideoCodec::SrsVideoCodec()
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{
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// 1bytes required.
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if (size < 1) {
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return false;
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}
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char sound_format = data[0];
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sound_format = (sound_format >> 4) & 0x0F;
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return sound_format == SrsCodecAudioAAC;
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frame_type = SrsCodecVideoAVCFrameForbidden;
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avc_packet_type = SrsCodecVideoAVCTypeForbidden;
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has_idr = has_aud = has_sps_pps = false;
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first_nalu_type = SrsAvcNaluTypeForbidden;
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}
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bool SrsFlvCodec::video_is_acceptable(char* data, int size)
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SrsVideoCodec::~SrsVideoCodec()
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{
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// 1bytes required.
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if (size < 1) {
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return false;
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}
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char frame_type = data[0];
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char codec_id = frame_type & 0x0f;
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frame_type = (frame_type >> 4) & 0x0f;
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if (frame_type < 1 || frame_type > 5) {
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return false;
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}
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if (codec_id < 2 || codec_id > 7) {
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return false;
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}
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return true;
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}
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string srs_codec_audio_samplesize2str(SrsCodecAudioSampleSize v)
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SrsCodecFlvTag SrsVideoCodec::codec()
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{
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switch (v) {
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case SrsCodecAudioSampleSize16bit: return "16bits";
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case SrsCodecAudioSampleSize8bit: return "8bits";
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default: return "Other";
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}
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return SrsCodecFlvTagVideo;
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}
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string srs_codec_audio_channels2str(SrsCodecAudioSoundType v)
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SrsFrame::SrsFrame()
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{
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switch (v) {
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case SrsCodecAudioSoundTypeStereo: return "Stereo";
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case SrsCodecAudioSoundTypeMono: return "Mono";
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default: return "Other";
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}
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codec = NULL;
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nb_samples = 0;
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}
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string srs_codec_avc_nalu2str(SrsAvcNaluType nalu_type)
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{
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switch (nalu_type) {
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case SrsAvcNaluTypeNonIDR: return "NonIDR";
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case SrsAvcNaluTypeDataPartitionA: return "DataPartitionA";
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case SrsAvcNaluTypeDataPartitionB: return "DataPartitionB";
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case SrsAvcNaluTypeDataPartitionC: return "DataPartitionC";
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case SrsAvcNaluTypeIDR: return "IDR";
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case SrsAvcNaluTypeSEI: return "SEI";
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case SrsAvcNaluTypeSPS: return "SPS";
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case SrsAvcNaluTypePPS: return "PPS";
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case SrsAvcNaluTypeAccessUnitDelimiter: return "AccessUnitDelimiter";
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case SrsAvcNaluTypeEOSequence: return "EOSequence";
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case SrsAvcNaluTypeEOStream: return "EOStream";
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case SrsAvcNaluTypeFilterData: return "FilterData";
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case SrsAvcNaluTypeSPSExt: return "SPSExt";
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case SrsAvcNaluTypePrefixNALU: return "PrefixNALU";
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case SrsAvcNaluTypeSubsetSPS: return "SubsetSPS";
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case SrsAvcNaluTypeLayerWithoutPartition: return "LayerWithoutPartition";
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case SrsAvcNaluTypeCodedSliceExt: return "CodedSliceExt";
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case SrsAvcNaluTypeReserved: default: return "Other";
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}
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}
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SrsCodecSampleUnit::SrsCodecSampleUnit()
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{
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size = 0;
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bytes = NULL;
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}
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SrsCodecSampleUnit::~SrsCodecSampleUnit()
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SrsFrame::~SrsFrame()
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{
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srs_freep(codec);
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}
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SrsCodecSample::SrsCodecSample()
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@ -412,8 +466,6 @@ int SrsCodecSample::add_sample_unit(char* bytes, int size)
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return ret;
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}
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#if !defined(SRS_EXPORT_LIBRTMP)
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SrsAvcAacCodec::SrsAvcAacCodec()
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{
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avc_parse_sps = true;
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@ -1205,7 +1257,7 @@ int SrsAvcAacCodec::avc_demux_annexb_format(SrsBuffer* stream, SrsCodecSample* s
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}
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// got the NALU.
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if ((ret = sample->add_sample_unit(p, pp - p)) != ERROR_SUCCESS) {
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if ((ret = sample->add_sample_unit(p, (int)(pp - p))) != ERROR_SUCCESS) {
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srs_error("annexb add video sample failed. ret=%d", ret);
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return ret;
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}
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@ -1271,5 +1323,3 @@ int SrsAvcAacCodec::avc_demux_ibmf_format(SrsBuffer* stream, SrsCodecSample* sam
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return ret;
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}
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#endif
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@ -301,6 +301,7 @@ enum SrsAvcNaluType
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{
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// Unspecified
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SrsAvcNaluTypeReserved = 0,
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SrsAvcNaluTypeForbidden = 0,
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// Coded slice of a non-IDR picture slice_layer_without_partitioning_rbsp( )
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SrsAvcNaluTypeNonIDR = 1,
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@ -340,23 +341,201 @@ enum SrsAvcNaluType
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std::string srs_codec_avc_nalu2str(SrsAvcNaluType nalu_type);
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/**
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* the codec sample unit.
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* for h.264 video packet, a NALU is a sample unit.
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* for aac raw audio packet, a NALU is the entire aac raw data.
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* for sequence header, it's not a sample unit.
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*/
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class SrsCodecSampleUnit
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* the avc payload format, must be ibmf or annexb format.
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* we guess by annexb first, then ibmf for the first time,
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* and we always use the guessed format for the next time.
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*/
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enum SrsAvcPayloadFormat
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{
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SrsAvcPayloadFormatGuess = 0,
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SrsAvcPayloadFormatAnnexb,
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SrsAvcPayloadFormatIbmf,
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};
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/**
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* the aac profile, for ADTS(HLS/TS)
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* @see https://github.com/ossrs/srs/issues/310
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*/
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||||
enum SrsAacProfile
|
||||
{
|
||||
SrsAacProfileReserved = 3,
|
||||
|
||||
// @see 7.1 Profiles, aac-iso-13818-7.pdf, page 40
|
||||
SrsAacProfileMain = 0,
|
||||
SrsAacProfileLC = 1,
|
||||
SrsAacProfileSSR = 2,
|
||||
};
|
||||
std::string srs_codec_aac_profile2str(SrsAacProfile aac_profile);
|
||||
|
||||
/**
|
||||
* the aac object type, for RTMP sequence header
|
||||
* for AudioSpecificConfig, @see ISO_IEC_14496-3-AAC-2001.pdf, page 33
|
||||
* for audioObjectType, @see ISO_IEC_14496-3-AAC-2001.pdf, page 23
|
||||
*/
|
||||
enum SrsAacObjectType
|
||||
{
|
||||
SrsAacObjectTypeReserved = 0,
|
||||
|
||||
// Table 1.1 - Audio Object Type definition
|
||||
// @see @see ISO_IEC_14496-3-AAC-2001.pdf, page 23
|
||||
SrsAacObjectTypeAacMain = 1,
|
||||
SrsAacObjectTypeAacLC = 2,
|
||||
SrsAacObjectTypeAacSSR = 3,
|
||||
|
||||
// AAC HE = LC+SBR
|
||||
SrsAacObjectTypeAacHE = 5,
|
||||
// AAC HEv2 = LC+SBR+PS
|
||||
SrsAacObjectTypeAacHEV2 = 29,
|
||||
};
|
||||
std::string srs_codec_aac_object2str(SrsAacObjectType aac_object);
|
||||
// ts/hls/adts audio header profile to RTMP sequence header object type.
|
||||
SrsAacObjectType srs_codec_aac_ts2rtmp(SrsAacProfile profile);
|
||||
// RTMP sequence header object type to ts/hls/adts audio header profile.
|
||||
SrsAacProfile srs_codec_aac_rtmp2ts(SrsAacObjectType object_type);
|
||||
|
||||
/**
|
||||
* the profile for avc/h.264.
|
||||
* @see Annex A Profiles and levels, ISO_IEC_14496-10-AVC-2003.pdf, page 205.
|
||||
*/
|
||||
enum SrsAvcProfile
|
||||
{
|
||||
SrsAvcProfileReserved = 0,
|
||||
|
||||
// @see ffmpeg, libavcodec/avcodec.h:2713
|
||||
SrsAvcProfileBaseline = 66,
|
||||
// FF_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag
|
||||
// FF_PROFILE_H264_CONSTRAINED_BASELINE (66|FF_PROFILE_H264_CONSTRAINED)
|
||||
SrsAvcProfileConstrainedBaseline = 578,
|
||||
SrsAvcProfileMain = 77,
|
||||
SrsAvcProfileExtended = 88,
|
||||
SrsAvcProfileHigh = 100,
|
||||
SrsAvcProfileHigh10 = 110,
|
||||
SrsAvcProfileHigh10Intra = 2158,
|
||||
SrsAvcProfileHigh422 = 122,
|
||||
SrsAvcProfileHigh422Intra = 2170,
|
||||
SrsAvcProfileHigh444 = 144,
|
||||
SrsAvcProfileHigh444Predictive = 244,
|
||||
SrsAvcProfileHigh444Intra = 2192,
|
||||
};
|
||||
std::string srs_codec_avc_profile2str(SrsAvcProfile profile);
|
||||
|
||||
/**
|
||||
* the level for avc/h.264.
|
||||
* @see Annex A Profiles and levels, ISO_IEC_14496-10-AVC-2003.pdf, page 207.
|
||||
*/
|
||||
enum SrsAvcLevel
|
||||
{
|
||||
SrsAvcLevelReserved = 0,
|
||||
|
||||
SrsAvcLevel_1 = 10,
|
||||
SrsAvcLevel_11 = 11,
|
||||
SrsAvcLevel_12 = 12,
|
||||
SrsAvcLevel_13 = 13,
|
||||
SrsAvcLevel_2 = 20,
|
||||
SrsAvcLevel_21 = 21,
|
||||
SrsAvcLevel_22 = 22,
|
||||
SrsAvcLevel_3 = 30,
|
||||
SrsAvcLevel_31 = 31,
|
||||
SrsAvcLevel_32 = 32,
|
||||
SrsAvcLevel_4 = 40,
|
||||
SrsAvcLevel_41 = 41,
|
||||
SrsAvcLevel_5 = 50,
|
||||
SrsAvcLevel_51 = 51,
|
||||
};
|
||||
std::string srs_codec_avc_level2str(SrsAvcLevel level);
|
||||
|
||||
/**
|
||||
* A sample is the unit of frame.
|
||||
* It's a NALU for H.264.
|
||||
* It's the whole AAC raw data for AAC.
|
||||
* @remark Neither SPS/PPS or ASC is sample unit, it's codec sequence header.
|
||||
*/
|
||||
class SrsSample
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* the sample bytes is directly ptr to packet bytes,
|
||||
* user should never use it when packet destroyed.
|
||||
*/
|
||||
int size;
|
||||
char* bytes;
|
||||
// The size of unit.
|
||||
int nb_unit;
|
||||
// The ptr of unit, user must manage it.
|
||||
char* unit;
|
||||
public:
|
||||
SrsCodecSampleUnit();
|
||||
virtual ~SrsCodecSampleUnit();
|
||||
SrsSample();
|
||||
virtual ~SrsSample();
|
||||
};
|
||||
|
||||
/**
|
||||
* The codec is the information of encoder,
|
||||
* corresponding to the sequence header of FLV,
|
||||
* parsed to detail info.
|
||||
*/
|
||||
class SrsCodec
|
||||
{
|
||||
public:
|
||||
SrsCodec();
|
||||
virtual ~SrsCodec();
|
||||
public:
|
||||
// Get the codec type.
|
||||
virtual SrsCodecFlvTag codec() = 0;
|
||||
};
|
||||
|
||||
/**
|
||||
* The audio codec info.
|
||||
*/
|
||||
class SrsAudioCodec : public SrsCodec
|
||||
{
|
||||
public:
|
||||
// audio specified
|
||||
SrsCodecAudio acodec;
|
||||
// audio aac specified.
|
||||
SrsCodecAudioSampleRate sound_rate;
|
||||
SrsCodecAudioSampleSize sound_size;
|
||||
SrsCodecAudioSoundType sound_type;
|
||||
SrsCodecAudioType aac_packet_type;
|
||||
public:
|
||||
SrsAudioCodec();
|
||||
virtual ~SrsAudioCodec();
|
||||
public:
|
||||
virtual SrsCodecFlvTag codec();
|
||||
};
|
||||
|
||||
/**
|
||||
* The video codec info.
|
||||
*/
|
||||
class SrsVideoCodec : public SrsCodec
|
||||
{
|
||||
public:
|
||||
// video specified
|
||||
SrsCodecVideoAVCFrame frame_type;
|
||||
SrsCodecVideoAVCType avc_packet_type;
|
||||
// whether sample_units contains IDR frame.
|
||||
bool has_idr;
|
||||
// Whether exists AUD NALU.
|
||||
bool has_aud;
|
||||
// Whether exists SPS/PPS NALU.
|
||||
bool has_sps_pps;
|
||||
// The first nalu type.
|
||||
SrsAvcNaluType first_nalu_type;
|
||||
public:
|
||||
SrsVideoCodec();
|
||||
virtual ~SrsVideoCodec();
|
||||
public:
|
||||
virtual SrsCodecFlvTag codec();
|
||||
};
|
||||
|
||||
/**
|
||||
* A codec frame, consists of a codec and a group of samples.
|
||||
*/
|
||||
class SrsFrame
|
||||
{
|
||||
public:
|
||||
// The codec info of frame.
|
||||
SrsCodec* codec;
|
||||
// The actual parsed number of samples.
|
||||
int nb_samples;
|
||||
// The sampels cache.
|
||||
SrsSample samples[SRS_MAX_CODEC_SAMPLE];
|
||||
public:
|
||||
SrsFrame();
|
||||
virtual ~SrsFrame();
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
@ -435,112 +614,6 @@ public:
|
|||
int add_sample_unit(char* bytes, int size);
|
||||
};
|
||||
|
||||
/**
|
||||
* the avc payload format, must be ibmf or annexb format.
|
||||
* we guess by annexb first, then ibmf for the first time,
|
||||
* and we always use the guessed format for the next time.
|
||||
*/
|
||||
enum SrsAvcPayloadFormat
|
||||
{
|
||||
SrsAvcPayloadFormatGuess = 0,
|
||||
SrsAvcPayloadFormatAnnexb,
|
||||
SrsAvcPayloadFormatIbmf,
|
||||
};
|
||||
|
||||
/**
|
||||
* the aac profile, for ADTS(HLS/TS)
|
||||
* @see https://github.com/ossrs/srs/issues/310
|
||||
*/
|
||||
enum SrsAacProfile
|
||||
{
|
||||
SrsAacProfileReserved = 3,
|
||||
|
||||
// @see 7.1 Profiles, aac-iso-13818-7.pdf, page 40
|
||||
SrsAacProfileMain = 0,
|
||||
SrsAacProfileLC = 1,
|
||||
SrsAacProfileSSR = 2,
|
||||
};
|
||||
std::string srs_codec_aac_profile2str(SrsAacProfile aac_profile);
|
||||
|
||||
/**
|
||||
* the aac object type, for RTMP sequence header
|
||||
* for AudioSpecificConfig, @see ISO_IEC_14496-3-AAC-2001.pdf, page 33
|
||||
* for audioObjectType, @see ISO_IEC_14496-3-AAC-2001.pdf, page 23
|
||||
*/
|
||||
enum SrsAacObjectType
|
||||
{
|
||||
SrsAacObjectTypeReserved = 0,
|
||||
|
||||
// Table 1.1 - Audio Object Type definition
|
||||
// @see @see ISO_IEC_14496-3-AAC-2001.pdf, page 23
|
||||
SrsAacObjectTypeAacMain = 1,
|
||||
SrsAacObjectTypeAacLC = 2,
|
||||
SrsAacObjectTypeAacSSR = 3,
|
||||
|
||||
// AAC HE = LC+SBR
|
||||
SrsAacObjectTypeAacHE = 5,
|
||||
// AAC HEv2 = LC+SBR+PS
|
||||
SrsAacObjectTypeAacHEV2 = 29,
|
||||
};
|
||||
std::string srs_codec_aac_object2str(SrsAacObjectType aac_object);
|
||||
// ts/hls/adts audio header profile to RTMP sequence header object type.
|
||||
SrsAacObjectType srs_codec_aac_ts2rtmp(SrsAacProfile profile);
|
||||
// RTMP sequence header object type to ts/hls/adts audio header profile.
|
||||
SrsAacProfile srs_codec_aac_rtmp2ts(SrsAacObjectType object_type);
|
||||
|
||||
/**
|
||||
* the profile for avc/h.264.
|
||||
* @see Annex A Profiles and levels, ISO_IEC_14496-10-AVC-2003.pdf, page 205.
|
||||
*/
|
||||
enum SrsAvcProfile
|
||||
{
|
||||
SrsAvcProfileReserved = 0,
|
||||
|
||||
// @see ffmpeg, libavcodec/avcodec.h:2713
|
||||
SrsAvcProfileBaseline = 66,
|
||||
// FF_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag
|
||||
// FF_PROFILE_H264_CONSTRAINED_BASELINE (66|FF_PROFILE_H264_CONSTRAINED)
|
||||
SrsAvcProfileConstrainedBaseline = 578,
|
||||
SrsAvcProfileMain = 77,
|
||||
SrsAvcProfileExtended = 88,
|
||||
SrsAvcProfileHigh = 100,
|
||||
SrsAvcProfileHigh10 = 110,
|
||||
SrsAvcProfileHigh10Intra = 2158,
|
||||
SrsAvcProfileHigh422 = 122,
|
||||
SrsAvcProfileHigh422Intra = 2170,
|
||||
SrsAvcProfileHigh444 = 144,
|
||||
SrsAvcProfileHigh444Predictive = 244,
|
||||
SrsAvcProfileHigh444Intra = 2192,
|
||||
};
|
||||
std::string srs_codec_avc_profile2str(SrsAvcProfile profile);
|
||||
|
||||
/**
|
||||
* the level for avc/h.264.
|
||||
* @see Annex A Profiles and levels, ISO_IEC_14496-10-AVC-2003.pdf, page 207.
|
||||
*/
|
||||
enum SrsAvcLevel
|
||||
{
|
||||
SrsAvcLevelReserved = 0,
|
||||
|
||||
SrsAvcLevel_1 = 10,
|
||||
SrsAvcLevel_11 = 11,
|
||||
SrsAvcLevel_12 = 12,
|
||||
SrsAvcLevel_13 = 13,
|
||||
SrsAvcLevel_2 = 20,
|
||||
SrsAvcLevel_21 = 21,
|
||||
SrsAvcLevel_22 = 22,
|
||||
SrsAvcLevel_3 = 30,
|
||||
SrsAvcLevel_31 = 31,
|
||||
SrsAvcLevel_32 = 32,
|
||||
SrsAvcLevel_4 = 40,
|
||||
SrsAvcLevel_41 = 41,
|
||||
SrsAvcLevel_5 = 50,
|
||||
SrsAvcLevel_51 = 51,
|
||||
};
|
||||
std::string srs_codec_avc_level2str(SrsAvcLevel level);
|
||||
|
||||
#if !defined(SRS_EXPORT_LIBRTMP)
|
||||
|
||||
/**
|
||||
* the h264/avc and aac codec, for media stream.
|
||||
*
|
||||
|
|
@ -682,5 +755,3 @@ private:
|
|||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue