WebRTC/RTP Server: Technical Specs

• MEDIATYPE_Video
• MEDIASUBTYPE_H264, MEDIASUBTYPE_AVC1, MEDIASUBTYPE_H264ByteStream
• FORMAT_MPEG2Video, FORMAT_VideoInfo, FORMAT_VideoInfo2

NOTE. MEDIASUBTYPE_H264ByteStream = 8D2D71CB-243F-45E3-B2D8-5FD7967EC09B
ITU-T Rec. H.264 (03/2005), Annex.B: Byte stream format
Used in MainConcept H.264 splitter and MainConcept MPEG-2 Demultiplexer for H264 in TS

VP8 ( Fourcc = VP80):

• MEDIATYPE_Video/ Fourcc subtype/ FORMAT_VideoInfo2, FORMAT_VideoInfo

VP9 ( Fourcc = VP90):

• MEDIATYPE_Video/ Fourcc subtype/ FORMAT_VideoInfo2| FORMAT_VideoInfo

Opus:

• MEDIATYPE_Audio / MEDIASUBTYPE_OPUS / FORMAT_WaveFormatEx

MEDIASUBTYPE_OPUS = {B940AE21-195E-4CE6-B324-E703AE733AEC}
pbFormat is WAVEFORMATEXTENSIBLE
WAVEFORMATEX::wFormatTag = WAVE_FORMAT_EXTENSIBLE
WAVEFORMATEX::nChannels = 1 or 2
WAVEFORMATEX::wBitsPerSample = 16
WAVEFORMATEXTENSIBLE::SubFormat = KSDATAFORMAT_SUBTYPE_OPUS = {1DAD5025-02FA-4330-9A60-EC0121E3CE3D}

L16 (PCM):

• MEDIATYPE_Audio / MEDIASUBTYPE_PCM / FORMAT_WaveFormatEx

pbFormat is WAVEFORMATEX
WAVEFORMATEX::wFormatTag = WAVE_FORMAT_PCM
WAVEFORMATEX::nSamplesPerSec = 44100
WAVEFORMATEX::nChannels = 1 or 2
WAVEFORMATEX::wBitsPerSample = 16

A-Law (PCMA):

• MEDIATYPE_Audio / KSDATAFORMAT_SUBTYPE_ALAW / FORMAT_WaveFormatEx

pbFormat is WAVEFORMATEX
WAVEFORMATEX::wFormatTag = WAVE_FORMAT_ALAW
WAVEFORMATEX::nSamplesPerSec = 8000
WAVEFORMATEX::nChannels = 1
WAVEFORMATEX::wBitsPerSample = 8

U-Law (PCMU):

• MEDIATYPE_Audio / KSDATAFORMAT_SUBTYPE_MULAW / FORMAT_WaveFormatEx

pbFormat is WAVEFORMATEX
WAVEFORMATEX::wFormatTag = WAVE_FORMAT_MULAW
WAVEFORMATEX::nSamplesPerSec = 8000
WAVEFORMATEX::nChannels = 1
WAVEFORMATEX::wBitsPerSample = 8