137 lines
5.6 KiB
C++
137 lines
5.6 KiB
C++
#ifndef _flv_proto_h_
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#define _flv_proto_h_
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// FLV Tag Type
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#define FLV_TYPE_AUDIO 8
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#define FLV_TYPE_VIDEO 9
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#define FLV_TYPE_SCRIPT 18
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// FLV Audio Type
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#define FLV_AUDIO_LPCM (0 << 4) // Linear PCM, platform endian
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#define FLV_AUDIO_ADPCM (1 << 4)
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#define FLV_AUDIO_MP3 (2 << 4)
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#define FLV_AUDIO_LLPCM (3 << 4) // Linear PCM, little endian
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#define FLV_AUDIO_FLAC (4 << 4) // Nellymoser16KMono -> FLAC(enhanced rtmp v2)
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#define FLV_AUDIO_EAC3 (5 << 4) // Nellymoser8KMono -> EAC3(enhanced rtmp v2)
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#define FLV_AUDIO_Nelly (6 << 4) // Nellymoser
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#define FLV_AUDIO_G711A (7 << 4) // G711 A-law
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#define FLV_AUDIO_G711U (8 << 4) // G711 mu-law
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#define FLV_AUDIO_FOURCC (9 << 4) // enhanced rtmp v2
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#define FLV_AUDIO_AAC (10 << 4)
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#define FLV_AUDIO_SPEEX (11 << 4)
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#define FLV_AUDIO_AC3 (12 << 4) // enhanced rtmp v2
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#define FLV_AUDIO_OPUS (13 << 4) // opus-codec.org
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#define FLV_AUDIO_MP3_8K (14 << 4) // MP3 8 kHz
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#define FLV_AUDIO_DEVIDE (15 << 4) // Device-specific sound
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#define FLV_AUDIO_ASC (0x1000 | FLV_AUDIO_AAC) // AudioSpecificConfig(ISO-14496-3)
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#define FLV_AUDIO_OPUS_HEAD (0x1100 | FLV_AUDIO_OPUS) // https://datatracker.ietf.org/doc/html/rfc7845#section-5.1
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#define FLV_AUDIO_FLAC_HEAD (0x1200 | FLV_AUDIO_FLAC) // xiph.org/flac
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// FLV Video Type
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#define FLV_VIDEO_H263 2 // Sorenson H.263
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#define FLV_VIDEO_SCREEN 3 // Screen video
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#define FLV_VIDEO_VP6 4 // On2 VP6
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#define FLV_VIDEO_H264 7 // AVC
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#define FLV_VIDEO_H265 12 // https://github.com/CDN-Union/H265
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#define FLV_VIDEO_AV1 13 // https://aomediacodec.github.io/av1-isobmff
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#define FLV_VIDEO_AVS3 14
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#define FLV_VIDEO_H266 15
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#define FLV_VIDEO_AVCC (0x2000 | FLV_VIDEO_H264) // AVCDecoderConfigurationRecord(ISO-14496-15)
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#define FLV_VIDEO_HVCC (0x2100 | FLV_VIDEO_H265) // HEVCDecoderConfigurationRecord(ISO-14496-15)
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#define FLV_VIDEO_AV1C (0x2200 | FLV_VIDEO_AV1) // AV1CodecConfigurationRecord(av1-isobmff)
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#define FLV_VIDEO_AVSC (0x2300 | FLV_VIDEO_AVS3) // AVS3DecoderConfigurationRecord
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#define FLV_VIDEO_VVCC (0x2400 | FLV_VIDEO_H266) // VVCDecoderConfigurationRecord(ISO-14496-15)
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#define FLV_SCRIPT_METADATA 0x4000 // onMetaData
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enum
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{
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FLV_SEQUENCE_HEADER = 0, // AVC/AAC sequence header
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FLV_AVPACKET = 1, // AVC NALU / AAC raw
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FLV_END_OF_SEQUENCE = 2, // AVC end of sequence (lower level NALU sequence ender is not required or supported)
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// CompositionTime Offset is implied to equal zero. This is
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// an optimization to save putting SI24 composition time value of zero on
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// the wire. See pseudo code below in the VideoTagBody section
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FLV_PACKET_TYPE_CODED_FRAMES_X = 3,
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// VideoTagBody does not contain video data. VideoTagBody
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// instead contains an AMF encoded metadata. See Metadata Frame
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// section for an illustration of its usage. As an example, the metadata
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// can be HDR information. This is a good way to signal HDR
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// information. This also opens up future ways to express additional
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// metadata that is meant for the next video sequence.
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//
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// note: presence of PacketTypeMetadata means that FrameType
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// flags at the top of this table should be ignored
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FLV_PACKET_TYPE_METADATA = 4,
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// Carriage of bitstream in MPEG-2 TS format
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// note: PacketTypeSequenceStart and PacketTypeMPEG2TSSequenceStart
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// are mutually exclusive
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FLV_PACKET_TYPE_MPEG2TS_SEQUENCE_START = 5,
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// Turns on video multitrack mode
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FLV_PACKET_TYPE_MULTITRACK = 6,
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// audio
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FLV_AUDIO_PACKET_TYPE_MULTICHANNEL_CONFIG = 4,
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FLV_AUDIO_PACKET_TYPE_MULTITRACK = 5, // Turns on audio multitrack mode
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};
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enum
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{
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FLV_VIDEO_KEY_FRAME = 1, // key frame (for AVC, a seekable frame)
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FLV_VIDEO_INTER_FRAME = 2, // inter frame (for AVC, a non-seekable frame)
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FLV_VIDEO_DISPOSABLE_INTER_FRAME = 3, // H.263 only
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FLV_VIDEO_GENERATED_KEY_FRAME = 4, // generated key frame (reserved for server use only)
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FLV_VIDEO_COMMAND_FRAME = 5, // video info/command frame
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};
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enum
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{
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FLV_SOUND_RATE_5500 = 0, // 5.5 kHz
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FLV_SOUND_RATE_11025 = 1, // 11 kHz
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FLV_SOUND_RATE_22050 = 2, // 22 kHz
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FLV_SOUND_RATE_44100 = 3, // 44 kHz
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};
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enum
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{
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FLV_SOUND_BIT_8 = 0, // 8-bit samples
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FLV_SOUND_BIT_16 = 1, // 16-bit samples
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};
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enum
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{
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FLV_SOUND_CHANNEL_MONO = 0, // 1-channel
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FLV_SOUND_CHANNEL_STEREO = 1, // 2-channels
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};
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// AvMultitrackType
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enum flv_audio_multi_track_e
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{
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FLV_AUDIO_MULTI_TRACK_ONE = 0, // OneTrack
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FLV_AUDIO_MULTI_TRACK_MANY = 1, // ManyTracks
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FLV_AUDIO_MULTI_TRACK_MANY_CODECS = 2, // ManyTracksManyCodecs
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FLV_AUDIO_MULTI_TRACK_NONE = 255,
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};
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#define FLV_VIDEO_FOURCC(a, b, c, d) (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
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#define FLV_VIDEO_FOURCC_VP9 FLV_VIDEO_FOURCC('v', 'p', '0', '9')
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#define FLV_VIDEO_FOURCC_AV1 FLV_VIDEO_FOURCC('a', 'v', '0', '1')
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#define FLV_VIDEO_FOURCC_AVC FLV_VIDEO_FOURCC('a', 'v', 'c', '1') // H.264
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#define FLV_VIDEO_FOURCC_HEVC FLV_VIDEO_FOURCC('h', 'v', 'c', '1') // H.265
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#define FLV_VIDEO_FOURCC_VVC FLV_VIDEO_FOURCC('v', 'v', 'c', '1') // H.266
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#define FLV_AUDIO_FOURCC_AC3 FLV_VIDEO_FOURCC('a', 'c', '-', '3') // AC-3/E-AC-3 - <https://en.wikipedia.org/wiki/Dolby_Digital>
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#define FLV_AUDIO_FOURCC_EAC3 FLV_VIDEO_FOURCC('e', 'c', '-', '3')
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#define FLV_AUDIO_FOURCC_OPUS FLV_VIDEO_FOURCC('O', 'p', 'u', 's') // Opus audio - <https://opus-codec.org/>
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#define FLV_AUDIO_FOURCC_MP3 FLV_VIDEO_FOURCC('.', 'm', 'p', '3') // Mp3 audio - <https://en.wikipedia.org/wiki/MP3>
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#define FLV_AUDIO_FOURCC_FLAC FLV_VIDEO_FOURCC('f', 'L', 'a', 'C') // Free Lossless Audio Codec - <https://xiph.org/flac/format.html>
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#define FLV_AUDIO_FOURCC_AAC FLV_VIDEO_FOURCC('m', 'p', '4', 'a') // Advanced Audio Coding - <https://en.wikipedia.org/wiki/Advanced_Audio_Coding>
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#endif /* !_flv_proto_h_ */
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