According to Lu Qi-Ming <directshow实务精选> The book avchat to perfect the procedure is divided into client and server side, and joined the H264 encoding.

AVChat_C_S1\VideoClient\CallDlg.cpp
...........\...........\CallDlg.h
...........\...........\CAudioCaptureFilter2.cpp
...........\...........\CAudioCaptureFilter2.h
...........\...........\CAVDevice.cpp
...........\...........\CAVDevice.h
...........\...........\CClientAdmin.cpp
...........\...........\CClientAdmin.h
...........\...........\CDXFilter.cpp
...........\...........\CDXFilter.h
...........\...........\CDXGraph.cpp
...........\...........\CDXGraph.h
...........\...........\CFilterNetReceiver.cpp
...........\...........\CFilterNetReceiver.h
...........\...........\CFilterNetSender.cpp
...........\...........\CFilterNetSender.h
...........\...........\CMsgReceiver.cpp
...........\...........\CMsgReceiver.h
...........\...........\CMsgStation.cpp
...........\...........\CMsgStation.h
...........\...........\CNetOutPin.cpp
...........\...........\CNetOutPin.h
...........\...........\CObjectList.cpp
...........\...........\CObjectList.h
...........\...........\CPreviewAdmin.cpp
...........\...........\CPreviewAdmin.h
...........\...........\CRoleAdmin.cpp
...........\...........\CRoleAdmin.h
...........\...........\CStreamSocket.cpp
...........\...........\CStreamSocket.h
...........\...........\CTCPListener.cpp
...........\...........\CTCPListener.h
...........\...........\CUDPManager.cpp
...........\...........\CUDPManager.h
...........\...........\CVideoCaptureFilter2.cpp
...........\...........\CVideoCaptureFilter2.h
...........\...........\CVideoWindow.cpp
...........\...........\CVideoWindow.h
...........\...........\CXInputPin.cpp
...........\...........\CXInputPin.h
...........\...........\GlobalDefs.h
...........\...........\ReadMe.txt
...........\...........\res\VideoClient.ico
...........\...........\...\VideoClient.rc2
...........\...........\resource.h
...........\...........\StdAfx.cpp
...........\...........\StdAfx.h
...........\...........\UDsUtils.cpp
...........\...........\UDsUtils.h
...........\...........\UFilterUtils.cpp
...........\...........\UFilterUtils.h
...........\...........\UNetwork.cpp
...........\...........\UNetwork.h
...........\...........\VideoClient.aps
...........\...........\VideoClient.clw
...........\...........\VideoClient.cpp
...........\...........\VideoClient.dsp
...........\...........\VideoClient.dsw
...........\...........\VideoClient.h
...........\...........\VideoClient.ncb
...........\...........\VideoClient.opt
...........\...........\VideoClient.plg
...........\...........\VideoClient.rc
...........\...........\VideoClientDlg.cpp
...........\...........\VideoClientDlg.h
...........\.....Server\CAudioCaptureFilter2.cpp
...........\...........\CAudioCaptureFilter2.h
...........\...........\CAVDevice.cpp
...........\...........\CAVDevice.h
...........\...........\CDXFilter.cpp
...........\...........\CDXFilter.h
...........\...........\CDXGraph.cpp
...........\...........\CDXGraph.h
...........\...........\CFilterNetReceiver.cpp
...........\...........\CFilterNetReceiver.h
...........\...........\CFilterNetSender.cpp
...........\...........\CFilterNetSender.h
...........\...........\CMsgReceiver.cpp
...........\...........\CMsgReceiver.h
...........\...........\CMsgStation.cpp
...........\...........\CMsgStation.h
...........\...........\CNetOutPin.cpp
...........\...........\CNetOutPin.h
...........\...........\CObjectList.cpp
...........\...........\CObjectList.h
...........\...........\CPreviewAdmin.cpp
...........\...........\CPreviewAdmin.h
...........\...........\CRoleAdmin.cpp
...........\...........\CRoleAdmin.h
...........\...........\CServerAdmin.cpp
...........\...........\CServerAdmin.h
...........\...........\CStreamSocket.cpp
...........\...........\CStreamSocket.h
...........\...........\CUDPManager.cpp
...........\...........\CUDPManager.h
...........\...........\CVideoCaptureFilter2.cpp
...........\...........\CVideoCaptureFilter2.h
...........\...........\CVideoWindow.cpp
...........\...........\CVideoWindow.h
...........\...........\CXInputPin.cpp

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