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enum.go
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package main
const (
SRS_MP4_EOF_SIZE = 0
SRS_MP4_USE_LARGE_SIZE = 1
SrsMp4BoxTypeForbidden = 0x00
SrsMp4BoxTypeUUID = 0x75756964 // 'uuid'
SrsMp4BoxTypeFTYP = 0x66747970 // 'ftyp'
SrsMp4BoxTypeMDAT = 0x6d646174 // 'mdat'
SrsMp4BoxTypeFREE = 0x66726565 // 'free'
SrsMp4BoxTypeSKIP = 0x736b6970 // 'skip'
SrsMp4BoxTypeMOOV = 0x6d6f6f76 // 'moov'
SrsMp4BoxTypeMVHD = 0x6d766864 // 'mvhd'
SrsMp4BoxTypeTRAK = 0x7472616b // 'trak'
SrsMp4BoxTypeTKHD = 0x746b6864 // 'tkhd'
SrsMp4BoxTypeEDTS = 0x65647473 // 'edts'
SrsMp4BoxTypeELST = 0x656c7374 // 'elst'
SrsMp4BoxTypeMDIA = 0x6d646961 // 'mdia'
SrsMp4BoxTypeMDHD = 0x6d646864 // 'mdhd'
SrsMp4BoxTypeHDLR = 0x68646c72 // 'hdlr'
SrsMp4BoxTypeMINF = 0x6d696e66 // 'minf'
SrsMp4BoxTypeVMHD = 0x766d6864 // 'vmhd'
SrsMp4BoxTypeSMHD = 0x736d6864 // 'smhd'
SrsMp4BoxTypeDINF = 0x64696e66 // 'dinf'
SrsMp4BoxTypeURL = 0x75726c20 // 'url '
SrsMp4BoxTypeURN = 0x75726e20 // 'urn '
SrsMp4BoxTypeDREF = 0x64726566 // 'dref'
SrsMp4BoxTypeSTBL = 0x7374626c // 'stbl'
SrsMp4BoxTypeSTSD = 0x73747364 // 'stsd'
SrsMp4BoxTypeSTTS = 0x73747473 // 'stts'
SrsMp4BoxTypeCTTS = 0x63747473 // 'ctts'
SrsMp4BoxTypeSTSS = 0x73747373 // 'stss'
SrsMp4BoxTypeSTSC = 0x73747363 // 'stsc'
SrsMp4BoxTypeSTCO = 0x7374636f // 'stco'
SrsMp4BoxTypeCO64 = 0x636f3634 // 'co64'
SrsMp4BoxTypeSTSZ = 0x7374737a // 'stsz'
SrsMp4BoxTypeSTZ2 = 0x73747a32 // 'stz2'
SrsMp4BoxTypeAVC1 = 0x61766331 // 'avc1'
SrsMp4BoxTypeAVCC = 0x61766343 // 'avcC'
SrsMp4BoxTypeMP4A = 0x6d703461 // 'mp4a'
SrsMp4BoxTypeESDS = 0x65736473 // 'esds'
SrsMp4BoxTypeUDTA = 0x75647461 // 'udta'
SrsMp4BoxBrandForbidden = 0x00
SrsMp4BoxBrandISOM = 0x69736f6d // 'isom'
SrsMp4BoxBrandISO2 = 0x69736f32 // 'iso2'
SrsMp4BoxBrandAVC1 = 0x61766331 // 'avc1'
SrsMp4BoxBrandMP41 = 0x6d703431 // 'mp41'
// The type of track, maybe combine of types.
SrsMp4TrackTypeForbidden = 0x00
SrsMp4TrackTypeAudio = 0x01
SrsMp4TrackTypeVideo = 0x02
)
/**
* The video codec id.
* @doc video_file_format_spec_v10_1.pdf, page78, E.4.3.1 VIDEODATA
* CodecID UB [4]
* Codec Identifier. The following values are defined for FLV:
* 2 = Sorenson H.263
* 3 = Screen video
* 4 = On2 VP6
* 5 = On2 VP6 with alpha channel
* 6 = Screen video version 2
* 7 = AVC
*/
const (
// set to the zero to reserved, for array map.
SrsVideoCodecIdReserved = 0
SrsVideoCodecIdForbidden = 0
SrsVideoCodecIdReserved1 = 1
SrsVideoCodecIdReserved2 = 9
// for user to disable video, for example, use pure audio hls.
SrsVideoCodecIdDisabled = 8
SrsVideoCodecIdSorensonH263 = 2
SrsVideoCodecIdScreenVideo = 3
SrsVideoCodecIdOn2VP6 = 4
SrsVideoCodecIdOn2VP6WithAlphaChannel = 5
SrsVideoCodecIdScreenVideoVersion2 = 6
SrsVideoCodecIdAVC = 7
)
/**
* The audio codec id.
* @doc video_file_format_spec_v10_1.pdf, page 76, E.4.2 Audio Tags
* SoundFormat UB [4]
* Format of SoundData. The following values are defined:
* 0 = Linear PCM, platform endian
* 1 = ADPCM
* 2 = MP3
* 3 = Linear PCM, little endian
* 4 = Nellymoser 16 kHz mono
* 5 = Nellymoser 8 kHz mono
* 6 = Nellymoser
* 7 = G.711 A-law logarithmic PCM
* 8 = G.711 mu-law logarithmic PCM
* 9 = reserved
* 10 = AAC
* 11 = Speex
* 14 = MP3 8 kHz
* 15 = Device-specific sound
* Formats 7, 8, 14, and 15 are reserved.
* AAC is supported in Flash Player 9,0,115,0 and higher.
* Speex is supported in Flash Player 10 and higher.
*/
const (
// set to the max value to reserved, for array map.
SrsAudioCodecIdReserved1 = 16
SrsAudioCodecIdForbidden = 16
// for user to disable audio, for example, use pure video hls.
SrsAudioCodecIdDisabled = 17
SrsAudioCodecIdLinearPCMPlatformEndian = 0
SrsAudioCodecIdADPCM = 1
SrsAudioCodecIdMP3 = 2
SrsAudioCodecIdLinearPCMLittleEndian = 3
SrsAudioCodecIdNellymoser16kHzMono = 4
SrsAudioCodecIdNellymoser8kHzMono = 5
SrsAudioCodecIdNellymoser = 6
SrsAudioCodecIdReservedG711AlawLogarithmicPCM = 7
SrsAudioCodecIdReservedG711MuLawLogarithmicPCM = 8
SrsAudioCodecIdReserved = 9
SrsAudioCodecIdAAC = 10
SrsAudioCodecIdSpeex = 11
SrsAudioCodecIdReservedMP3_8kHz = 14
SrsAudioCodecIdReservedDeviceSpecificSound = 15
)
/**
* The audio sample rate.
* @see srs_flv_srates and srs_aac_srates.
* @doc video_file_format_spec_v10_1.pdf, page 76, E.4.2 Audio Tags
* 0 = 5.5 kHz = 5512 Hz
* 1 = 11 kHz = 11025 Hz
* 2 = 22 kHz = 22050 Hz
* 3 = 44 kHz = 44100 Hz
* However, we can extends this table.
*/
const (
// set to the max value to reserved, for array map.
SrsAudioSampleRateReserved = 4
SrsAudioSampleRateForbidden = 4
SrsAudioSampleRate5512 = 0
SrsAudioSampleRate11025 = 1
SrsAudioSampleRate22050 = 2
SrsAudioSampleRate44100 = 3
)
type AudioSampleRate int
func (v AudioSampleRate) HumanRead() int {
switch int(v) {
case 0:
return 5512
case 1:
return 11025
case 2:
return 22050
case 3:
return 44100
}
return 0
}
/**
* The audio sample size in bits.
* @doc video_file_format_spec_v10_1.pdf, page 76, E.4.2 Audio Tags
* Size of each audio sample. This parameter only pertains to
* uncompressed formats. Compressed formats always decode
* to 16 bits internally.
* 0 = 8-bit samples
* 1 = 16-bit samples
*/
const (
// set to the max value to reserved, for array map.
SrsAudioSampleBitsReserved = 2
SrsAudioSampleBitsForbidden = 2
SrsAudioSampleBits8bit = 0
SrsAudioSampleBits16bit = 1
)
type AudioSoundBits int
func (v AudioSoundBits) HumanRead() int {
switch int(v) {
case 0:
return 8
case 1:
return 16
}
return 0
}
/**
* The audio channels.
* @doc video_file_format_spec_v10_1.pdf, page 77, E.4.2 Audio Tags
* Mono or stereo sound
* 0 = Mono sound
* 1 = Stereo sound
*/
const (
// set to the max value to reserved, for array map.
SrsAudioChannelsReserved = 2
SrsAudioChannelsForbidden = 2
SrsAudioChannelsMono = 0
SrsAudioChannelsStereo = 1
)
/**
* Table 7-1 - NAL unit type codes, syntax element categories, and NAL unit type classes
* ISO_IEC_14496-10-AVC-2012.pdf, page 83.
*/
const (
// Unspecified
SrsAvcNaluTypeReserved = 0
SrsAvcNaluTypeForbidden = 0
// Coded slice of a non-IDR picture slice_layer_without_partitioning_rbsp( )
SrsAvcNaluTypeNonIDR = 1
// Coded slice data partition A slice_data_partition_a_layer_rbsp( )
SrsAvcNaluTypeDataPartitionA = 2
// Coded slice data partition B slice_data_partition_b_layer_rbsp( )
SrsAvcNaluTypeDataPartitionB = 3
// Coded slice data partition C slice_data_partition_c_layer_rbsp( )
SrsAvcNaluTypeDataPartitionC = 4
// Coded slice of an IDR picture slice_layer_without_partitioning_rbsp( )
SrsAvcNaluTypeIDR = 5
// Supplemental enhancement information (SEI) sei_rbsp( )
SrsAvcNaluTypeSEI = 6
// Sequence parameter set seq_parameter_set_rbsp( )
SrsAvcNaluTypeSPS = 7
// Picture parameter set pic_parameter_set_rbsp( )
SrsAvcNaluTypePPS = 8
// Access unit delimiter access_unit_delimiter_rbsp( )
SrsAvcNaluTypeAccessUnitDelimiter = 9
// End of sequence end_of_seq_rbsp( )
SrsAvcNaluTypeEOSequence = 10
// End of stream end_of_stream_rbsp( )
SrsAvcNaluTypeEOStream = 11
// Filler data filler_data_rbsp( )
SrsAvcNaluTypeFilterData = 12
// Sequence parameter set extension seq_parameter_set_extension_rbsp( )
SrsAvcNaluTypeSPSExt = 13
// Prefix NAL unit prefix_nal_unit_rbsp( )
SrsAvcNaluTypePrefixNALU = 14
// Subset sequence parameter set subset_seq_parameter_set_rbsp( )
SrsAvcNaluTypeSubsetSPS = 15
// Coded slice of an auxiliary coded picture without partitioning slice_layer_without_partitioning_rbsp( )
SrsAvcNaluTypeLayerWithoutPartition = 19
// Coded slice extension slice_layer_extension_rbsp( )
SrsAvcNaluTypeCodedSliceExt = 20
)
/**
* the aac profile, for ADTS(HLS/TS)
* @see https://github.com/ossrs/srs/issues/310
*/
const (
SrsAacProfileReserved = 3
// @see 7.1 Profiles, aac-iso-13818-7.pdf, page 40
SrsAacProfileMain = 0
SrsAacProfileLC = 1
SrsAacProfileSSR = 2
)
/**
* the level for avc/h.264.
* @see Annex A Profiles and levels, ISO_IEC_14496-10-AVC-2003.pdf, page 207.
*/
const (
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
)
/**
* 8.4.3.3 Semantics
* ISO_IEC_14496-12-base-format-2012.pdf, page 37
*/
const (
SrsMp4HandlerTypeForbidden = 0x00
SrsMp4HandlerTypeVIDE = 0x76696465 // 'vide'
SrsMp4HandlerTypeSOUN = 0x736f756e // 'soun'
)
// Table 1 — List of Class Tags for Descriptors
// ISO_IEC_14496-1-System-2010.pdf, page 31
const (
SrsMp4ESTagESforbidden = 0x00
SrsMp4ESTagESObjectDescrTag = 0x01
SrsMp4ESTagESInitialObjectDescrTag = 0x02
SrsMp4ESTagESDescrTag = 0x03
SrsMp4ESTagESDecoderConfigDescrTag = 0x04
SrsMp4ESTagESDecSpecificInfoTag = 0x05
SrsMp4ESTagESSLConfigDescrTag = 0x06
SrsMp4ESTagESExtSLConfigDescrTag = 0x064
)
// Table 5 — objectTypeIndication Values
// ISO_IEC_14496-1-System-2010.pdf, page 49
const (
SrsMp4ObjectTypeForbidden = 0x00
// Audio ISO/IEC 14496-3
SrsMp4ObjectTypeAac = 0x40
)
// Table 6 — streamType Values
// ISO_IEC_14496-1-System-2010.pdf, page 51
const (
SrsMp4StreamTypeForbidden = 0x00
SrsMp4StreamTypeAudioStream = 0x05
)
/*
*********************************************************************
FLV enums
*********************************************************************
*/
/**
* The frame type, for example, audio, video or data.
* @doc video_file_format_spec_v10_1.pdf, page 75, E.4.1 FLV Tag
*/
const (
// set to the zero to reserved, for array map.
SrsFrameTypeReserved = 0
SrsFrameTypeForbidden = 0
// 8 = audio
SrsFrameTypeAudio = 8
// 9 = video
SrsFrameTypeVideo = 9
// 18 = script data
SrsFrameTypeScript = 18
)
/**
* The video AVC frame type, such as I/P/B.
* @doc video_file_format_spec_v10_1.pdf, page78, E.4.3.1 VIDEODATA
* Frame Type UB [4]
* Type of video frame. The following values are defined:
* 1 = key frame (for AVC, a seekable frame)
* 2 = inter frame (for AVC, a non-seekable frame)
* 3 = disposable inter frame (H.263 only)
* 4 = generated key frame (reserved for server use only)
* 5 = video info/command frame
*/
const (
// set to the zero to reserved, for array map.
SrsVideoAvcFrameTypeReserved = 0
SrsVideoAvcFrameTypeForbidden = 0
SrsVideoAvcFrameTypeReserved1 = 6
SrsVideoAvcFrameTypeKeyFrame = 1
SrsVideoAvcFrameTypeInterFrame = 2
SrsVideoAvcFrameTypeDisposableInterFrame = 3
SrsVideoAvcFrameTypeGeneratedKeyFrame = 4
SrsVideoAvcFrameTypeVideoInfoFrame = 5
)
/**
* The video AVC frame trait(characteristic).
* @doc video_file_format_spec_v10_1.pdf, page79, E.4.3.2 AVCVIDEOPACKET
* AVCPacketType IF CodecID == 7 UI8
* The following values are defined:
* 0 = AVC sequence header
* 1 = AVC NALU
* 2 = AVC end of sequence (lower level NALU sequence ender is not required or supported)
*/
const (
// set to the max value to reserved, for array map.
SrsVideoAvcFrameTraitReserved = 3
SrsVideoAvcFrameTraitForbidden = 3
SrsVideoAvcFrameTraitSequenceHeader = 0
SrsVideoAvcFrameTraitNALU = 1
SrsVideoAvcFrameTraitSequenceHeaderEOF = 2
)
/**
* The audio AAC frame trait(characteristic).
* @doc video_file_format_spec_v10_1.pdf, page 77, E.4.2 Audio Tags
* AACPacketType IF SoundFormat == 10 UI8
* The following values are defined:
* 0 = AAC sequence header
* 1 = AAC raw
*/
const (
// set to the max value to reserved, for array map.
SrsAudioAacFrameTraitReserved = 2
SrsAudioAacFrameTraitForbidden = 2
SrsAudioAacFrameTraitSequenceHeader = 0
SrsAudioAacFrameTraitRawData = 1
)
/**
* E.4.1 FLV Tag, page 75
*/
const (
SRS_RTMP_TYPE_AUDIO = 8
SRS_RTMP_TYPE_VIDEO = 9
SRS_RTMP_TYPE_SCRIPT = 18
)
/*
@doc video_file_format_spec_v10_1.pdf, page 80
*/
const (
AMF_DATA_TYPE_NUMBER = 0
AMF_DATA_TYPE_BOOLEAN = 1
AMF_DATA_TYPE_STRING = 2
AMF_DATA_TYPE_Reference = 7
AMF_DATA_TYPE_ECMA_array = 8
)