WebRTC/RTP Server: Technical Specs

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This page is a copy of the original page on the AVObjects' web site and can also be viewed here.

DirectShow Interfaces

Filter Interfaces IBaseFilter, IAMFilterMiscFlags, IMediaSeeking, IPersistStream, ISpecifyPropertyPages, IAVOWRtpServer
Input Pin Media Types AVC/H264:
  • MEDIATYPE_Video
  • MEDIASUBTYPE_H264, MEDIASUBTYPE_AVC1, MEDIASUBTYPE_H264ByteStream
  • FORMAT_MPEG2Video, FORMAT_VideoInfo, FORMAT_VideoInfo2

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}

A-Law (PCMA):

  • MEDIATYPE_Audio/ KSDATAFORMAT_SUBTYPE_ALAW/ FORMAT_WaveFormatEx WAVE_FORMAT_ALAW

U-Law (PCMU):

  • MEDIATYPE_Audio/ KSDATAFORMAT_SUBTYPE_MULAW/ FORMAT_WaveFormatEx WAVE_FORMAT_MULAW
Input Pin Interfaces IPin
Merit MERIT_NORMAL
Filter Categories DirectShow filters, AVObjects filters
Filter Name AVObjects WRtpServer
Executable WRtpServer.dll
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