WebRTC/RTP Server: Technical Specs

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|Filter Interfaces
 
|Filter Interfaces
 
|IBaseFilter, IAMFilterMiscFlags, IMediaSeeking, IPersistStream, ISpecifyPropertyPages, IAVOWRtpServer
 
|IBaseFilter, IAMFilterMiscFlags, IMediaSeeking, IPersistStream, ISpecifyPropertyPages, IAVOWRtpServer
 +
 
|-
 
|-
 
|Input Pin Media Types
 
|Input Pin Media Types

Revision as of 09:56, 27 December 2025

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}

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
Input Pin Interfaces IPin
Merit MERIT_NORMAL
Filter Categories DirectShow filters, AVObjects filters
Filter Name AVObjects WRtpServer
Executable WRtpServer.dll
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