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//==========================================================================;
// MSVidEncoder.cpp : Declaration of the CMSVidEncoder
// copyright (c) Microsoft Corp. 1998-1999.
/////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#ifndef TUNING_MODEL_ONLY
#include "msvidencoder.h"
// HARD CODED pids for program stream video and audio
const ULONG g_AudioID = 0xC0;const ULONG g_VideoID = 0xE0;
DEFINE_EXTERN_OBJECT_ENTRY(CLSID_MSVidEncoder, CEncoder)
// "Copied" From Demux Proppage
static BYTE g_Mpeg2ProgramVideo [] = { 0x00, 0x00, 0x00, 0x00, // .hdr.rcSource.left = 0x00000000
0x00, 0x00, 0x00, 0x00, // .hdr.rcSource.top = 0x00000000
0xD0, 0x02, 0x00, 0x00, // .hdr.rcSource.right = 0x000002d0
0xE0, 0x01, 0x00, 0x00, // .hdr.rcSource.bottom = 0x000001e0
0x00, 0x00, 0x00, 0x00, // .hdr.rcTarget.left = 0x00000000
0x00, 0x00, 0x00, 0x00, // .hdr.rcTarget.top = 0x00000000
0x00, 0x00, 0x00, 0x00, // .hdr.rcTarget.right = 0x00000000
0x00, 0x00, 0x00, 0x00, // .hdr.rcTarget.bottom = 0x00000000
0x00, 0x09, 0x3D, 0x00, // .hdr.dwBitRate = 0x003d0900
0x00, 0x00, 0x00, 0x00, // .hdr.dwBitErrorRate = 0x00000000
0x63, 0x17, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, // .hdr.AvgTimePerFrame = 0x0000000000051763
0x00, 0x00, 0x00, 0x00, // .hdr.dwInterlaceFlags = 0x00000000
0x00, 0x00, 0x00, 0x00, // .hdr.dwCopyProtectFlags = 0x00000000
0x04, 0x00, 0x00, 0x00, // .hdr.dwPictAspectRatioX = 0x00000004
0x03, 0x00, 0x00, 0x00, // .hdr.dwPictAspectRatioY = 0x00000003
0x00, 0x00, 0x00, 0x00, // .hdr.dwReserved1 = 0x00000000
0x00, 0x00, 0x00, 0x00, // .hdr.dwReserved2 = 0x00000000
0x28, 0x00, 0x00, 0x00, // .hdr.bmiHeader.biSize = 0x00000028
0xD0, 0x02, 0x00, 0x00, // .hdr.bmiHeader.biWidth = 0x000002d0
0xE0, 0x01, 0x00, 0x00, // .hdr.bmiHeader.biHeight = 0x00000000
0x00, 0x00, // .hdr.bmiHeader.biPlanes = 0x0000
0x00, 0x00, // .hdr.bmiHeader.biBitCount = 0x0000
0x00, 0x00, 0x00, 0x00, // .hdr.bmiHeader.biCompression = 0x00000000
0x00, 0x00, 0x00, 0x00, // .hdr.bmiHeader.biSizeImage = 0x00000000
0xD0, 0x07, 0x00, 0x00, // .hdr.bmiHeader.biXPelsPerMeter = 0x000007d0
0x27, 0xCF, 0x00, 0x00, // .hdr.bmiHeader.biYPelsPerMeter = 0x0000cf27
0x00, 0x00, 0x00, 0x00, // .hdr.bmiHeader.biClrUsed = 0x00000000
0x00, 0x00, 0x00, 0x00, // .hdr.bmiHeader.biClrImportant = 0x00000000
0x98, 0xF4, 0x06, 0x00, // .dwStartTimeCode = 0x0006f498
0x56, 0x00, 0x00, 0x00, // .cbSequenceHeader = 0x00000056
0x02, 0x00, 0x00, 0x00, // .dwProfile = 0x00000002
0x02, 0x00, 0x00, 0x00, // .dwLevel = 0x00000002
0x00, 0x00, 0x00, 0x00, // .Flags = 0x00000000
// .dwSequenceHeader [1]
0x00, 0x00, 0x01, 0xB3, 0x2D, 0x01, 0xE0, 0x24, 0x09, 0xC4, 0x23, 0x81, 0x10, 0x11, 0x11, 0x12, 0x12, 0x12, 0x13, 0x13, 0x13, 0x13, 0x14, 0x14, 0x14, 0x14, 0x14, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x16, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x18, 0x18, 0x18, 0x19, 0x18, 0x18, 0x18, 0x19, 0x1A, 0x1A, 0x1A, 0x1A, 0x19, 0x1B, 0x1B, 0x1B, 0x1B, 0x1B, 0x1C, 0x1C, 0x1C, 0x1C, 0x1E, 0x1E, 0x1E, 0x1F, 0x1F, 0x21, 0x00, 0x00, 0x01, 0xB5, 0x14, 0x82, 0x00, 0x01, 0x00, 0x00} ;
// WaveFormatEx format block; generated with the following settings:
//
// fwHeadFlags = 0x1c;
// wHeadEmphasis = 1;
// fwHeadModeExt = 1;
// fwHeadMode = 1;
// dwHeadBitrate = 0x3e800;
// fwHeadLayer = 0x2;
// wfx.cbSize = 0x16;
// wfx.wBitsPerSample = 0;
// wfx.nBlockAlign = 0x300;
// wfx.nAvgBytesPerSec = 0x7d00;
// wfx.nSamplesPerSec = 0xbb80;
// wfx.nChannels = 2;
// wfx.wFormatTag = 0x50;
// dwPTSLow = 0;
// dwPTSHigh = 0;
static BYTE g_MPEG1AudioFormat [] = { 0x50, 0x00, 0x02, 0x00, 0x80, 0xBB, 0x00, 0x00, 0x00, 0x7D, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x16, 0x00, 0x02, 0x00, 0x00, 0xE8, 0x03, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} ;// End "Copied" From Demux Proppage
STDMETHODIMP CEncoder::get_AudioEncoderInterface(/*[out, retval]*/ IUnknown **ppEncInt){ if(!ppEncInt){ return E_POINTER; } DSMediaType mediaAudio(MEDIATYPE_Audio); DSFilter p_filter = m_Filters[m_iEncoder]; HRESULT hr = E_NOINTERFACE; // Starting at the ecoder filter find the pin/filter implimenting the endcoder api for audio
// This should work because of two facts
// 1. only one audio path or audio path coming into the encoder filter
// 2. we only need to find one matching media type to identify the pin type
do{ DSFilter::iterator pins; // check the current filters pins for a audio media type
for(pins = p_filter.begin(); pins != p_filter.end(); ++pins){ for(DSPin::iterator mTypes = (*pins).begin(); mTypes != (*pins).end(); ++mTypes){ if((*mTypes) == mediaAudio){ // see if the current pin impliments the encoder api
(*pins).QueryInterface(&m_qiAudEnc) ; if(m_qiAudEnc){ hr = m_qiAudEnc.QueryInterface(ppEncInt); if(SUCCEEDED(hr)){ return S_OK; } else{ return E_UNEXPECTED; } } break; } } // If we did not get to the end of the media types then we found a audio type and the pin did not inpliment the interface
// time to track backwards
if(mTypes != (*pins).end() && (*pins).GetDirection() == PINDIR_INPUT){ // Following the audio path get the next filter backwards from current filter
DSPin back = (*pins).GetConnection(); if(back){ p_filter = back.GetFilter(); // Check to see if the new filter impliments the encoder api
if(p_filter){ p_filter.QueryInterface(&m_qiAudEnc); if(m_qiAudEnc){ hr = m_qiAudEnc.QueryInterface(ppEncInt); if(SUCCEEDED(hr)){ return S_OK; } else{ return E_UNEXPECTED; } } } } break; } } if(pins == p_filter.end()){ p_filter.Release(); } } while(p_filter && FAILED(hr)); return hr;}
STDMETHODIMP CEncoder::get_VideoEncoderInterface(/*[out, retval]*/ IUnknown **ppEncInt){ if(!ppEncInt){ return E_POINTER; } DSMediaType mediaVideo(MEDIATYPE_Video); DSFilter p_filter = m_Filters[m_iEncoder]; HRESULT hr = E_NOINTERFACE; if(!m_qiVidEnc){ hr = p_filter.QueryInterface(&m_qiVidEnc); if(FAILED(hr)){ m_qiVidEnc = static_cast<IUnknown*>(NULL); } }
if(m_qiVidEnc){ hr = m_qiVidEnc.QueryInterface(ppEncInt); if(SUCCEEDED(hr)){ return S_OK; } else{ return hr; } }
// Starting at the ecoder filter find the pin/filter implimenting the endcoder api for video
// This should work because of two facts
// 1. only one video path or audio path coming into the encoder filter
// 2. we only need to find one matching media type to identify the pin type
do{ DSFilter::iterator pins; // check the current filters pins for a video media type
for(pins = p_filter.begin(); pins != p_filter.end(); ++pins){ DSPin::iterator mTypes; for(mTypes = (*pins).begin(); mTypes != (*pins).end(); ++mTypes){ if((*mTypes) == mediaVideo){ // see if the current pin impliments the encoder api
(*pins).QueryInterface(&m_qiVidEnc) ; if(m_qiVidEnc){ hr = m_qiVidEnc.QueryInterface(ppEncInt); if(SUCCEEDED(hr)){ return S_OK; } else{ return hr; } } break; } } // If we did not get to the end of the media types then we found a video type and the pin did not inpliment the interface
// time to track backwards
if(mTypes != (*pins).end() && (*pins).GetDirection() == PINDIR_INPUT){ // Following the video path get the next filter backwards from current filter
DSPin back = (*pins).GetConnection(); if(back){ p_filter = back.GetFilter(); // Check to see if the new filter impliments the encoder api
if(p_filter){ p_filter.QueryInterface(&m_qiVidEnc); if(m_qiVidEnc){ hr = m_qiVidEnc.QueryInterface(ppEncInt); if(SUCCEEDED(hr)){ return S_OK; } else{ return E_UNEXPECTED; } } } } break; } } if(pins == p_filter.end()){ p_filter.Release(); } } while(p_filter && FAILED(hr)); return hr;}
HRESULT CEncoder::Unload(void) { IMSVidGraphSegmentImpl<CEncoder, MSVidSEG_XFORM, &GUID_NULL>::Unload(); m_iEncoder = -1; m_qiVidEnc.Release(); m_qiAudEnc.Release(); return NOERROR;}// IMSVidGraphSegment
STDMETHODIMP CEncoder::Build() { return NOERROR;}
STDMETHODIMP CEncoder::PreRun() { return NOERROR;}
STDMETHODIMP CEncoder::put_Container(IMSVidGraphSegmentContainer *pCtl){ if (!m_fInit) { return CO_E_NOTINITIALIZED; } try { if (!pCtl) { return Unload(); }
if (m_pContainer) { if (!m_pContainer.IsEqualObject(VWSegmentContainer(pCtl))) { return Error(IDS_OBJ_ALREADY_INIT, __uuidof(IMSVidEncoder), CO_E_ALREADYINITIALIZED); } else { return NO_ERROR; } } // DON'T addref the container. we're guaranteed nested lifetimes
// and an addref creates circular refcounts so we never unload.
m_pContainer.p = pCtl; m_pGraph = m_pContainer.GetGraph(); // Add some filters when there is an encoder api
DSFilter pEncoder(m_pGraph.AddMoniker(m_pDev)); if (!pEncoder) { return E_UNEXPECTED; } m_Filters.push_back(pEncoder); m_iEncoder = 0; TRACELM(TRACE_DETAIL, "CMSVidEncoder::put_Container() Encoder added"); DSFilter::iterator fPin; DSMediaType mpeg2ProgramType(MEDIATYPE_Stream, MEDIASUBTYPE_MPEG2_PROGRAM); DSMediaType streamType(MEDIATYPE_Stream); for(fPin = pEncoder.begin(); fPin != pEncoder.end(); ++fPin) { DSPin curPin(*fPin); DSPin::iterator pMedia; // Find the Mpeg2 Progam Steam Pin if there is one
for(pMedia = curPin.begin(); pMedia != curPin.end(); ++pMedia){ if ((*pMedia) == streamType && curPin.GetDirection() == PINDIR_OUTPUT){ break; } } if(pMedia == curPin.end()){ continue; } else{ if((*pMedia) == mpeg2ProgramType){ // Found the program stream pin get a demux and set it up
CComQIPtr<IMpeg2Demultiplexer> qiDeMux; qiDeMux.CoCreateInstance(CLSID_MPEG2Demultiplexer);
if(!qiDeMux){ ASSERT(FALSE); return E_UNEXPECTED; }
DSFilter DeMux(qiDeMux); DSFilterList intermediates; CString csName(_T("MPEG-2 Demultiplexer"));
HRESULT hr = m_pGraph.AddFilter(DeMux, csName); if (FAILED(hr)) { ASSERT(FALSE); return E_UNEXPECTED; }
m_Filters.push_back(DeMux); m_iDemux = m_Filters.size() - 1;
for(DSFilter::iterator dPin = DeMux.begin(); dPin != DeMux.end(); ++dPin){ DSPin demuxIn(*dPin); if(demuxIn.GetDirection() == PINDIR_INPUT){ hr = demuxIn.Connect(curPin); if (FAILED(hr)) { ASSERT(FALSE); return E_UNEXPECTED; } } }
// Sprout the audio and video pins on the demxu
DSPin dspAudio, dspVideo; DSMediaType mtVideo(MEDIATYPE_Video, MEDIASUBTYPE_MPEG2_VIDEO, FORMAT_MPEG2Video); mtVideo.p->bFixedSizeSamples = TRUE; mtVideo.p->cbFormat = sizeof(g_Mpeg2ProgramVideo); mtVideo.p->pbFormat = g_Mpeg2ProgramVideo;
DSMediaType mtAudio(MEDIATYPE_Audio, MEDIASUBTYPE_MPEG1Payload, FORMAT_WaveFormatEx); mtAudio.p->bFixedSizeSamples = TRUE; mtAudio.p->cbFormat = sizeof(g_MPEG1AudioFormat); mtAudio.p->pbFormat = g_MPEG1AudioFormat;
CComBSTR szAudio("Audio Pin"); CComBSTR szVideo("Video Pin");
hr = qiDeMux->CreateOutputPin(mtAudio, szAudio, &dspAudio); if (FAILED(hr)) { ASSERT(FALSE); return E_UNEXPECTED; }
hr = qiDeMux->CreateOutputPin(mtVideo, szVideo, &dspVideo); if (FAILED(hr)) { ASSERT(FALSE); return E_UNEXPECTED; }
// Map the pids correctly
// TODO: use the encoder api to find the pids for audio and video
CComQIPtr<IMPEG2StreamIdMap>qiMapper(dspVideo); hr = qiMapper->MapStreamId(g_VideoID, MPEG2_PROGRAM_ELEMENTARY_STREAM, 0, 0); if (FAILED(hr)) { ASSERT(FALSE); return E_UNEXPECTED; }
qiMapper = dspAudio; hr = qiMapper->MapStreamId(g_AudioID, MPEG2_PROGRAM_ELEMENTARY_STREAM, 0, 0); if (FAILED(hr)) { ASSERT(FALSE); return E_UNEXPECTED; }
// Clean up
mtVideo.p->cbFormat = 0; mtVideo.p->pbFormat = 0; mtAudio.p->cbFormat = 0; mtAudio.p->pbFormat = 0; break; }#if 0 // code to support custom demux (e.g. asf/wmv demux by a third party)
else{ CRegKey c; TCHAR szCLSID[MAX_PATH + 1]; szCLSID[0] = 0; CString keyname(_T("SOFTWARE\\Debug\\MSVidCtl")); DWORD rc = c.Open(HKEY_LOCAL_MACHINE, keyname, KEY_READ); if (rc == ERROR_SUCCESS) { DWORD len = sizeof(szCLSID); rc = c.QueryValue(szCLSID, _T("CustomDemuxCLSID"), &len); if (rc != ERROR_SUCCESS) { szCLSID[0] = 0; } } DSFilter DeMux; CComBSTR asfCLSID(szCLSID); GUID2 asfDemux(asfCLSID); DeMux.CoCreateInstance(asfDemux);
if(!DeMux){ ASSERT(FALSE); return E_UNEXPECTED; }
DSFilterList intermediates; CString csName(_T("Custom Demultiplexer"));
HRESULT hr = m_pGraph.AddFilter(DeMux, csName); if (FAILED(hr)) { ASSERT(FALSE); return E_UNEXPECTED; }
m_Filters.push_back(DeMux); m_iDemux = m_Filters.size() - 1;
for(DSFilter::iterator dPin = DeMux.begin(); dPin != DeMux.end(); ++dPin){ DSPin demuxIn(*dPin); if(demuxIn.GetDirection() == PINDIR_INPUT){ hr = demuxIn.Connect(curPin); if (FAILED(hr)) { ASSERT(FALSE); return E_UNEXPECTED; } } } }#endif
} } // Don't fail if there is no program stream pin. could be elementry streams or non-mpeg content
return NOERROR; } catch (ComException &e) { return e; } catch(...) { return E_UNEXPECTED; } return NOERROR;}
// IMSVidDevice
STDMETHODIMP CEncoder::get_Name(BSTR * Name){ if (!m_fInit) { return CO_E_NOTINITIALIZED; } try {
CComBSTR DefaultName("Encoder Segment"); return GetName(((m_iEncoder > -1) ? (m_Filters[m_iEncoder]) : DSFilter()), m_pDev, DefaultName).CopyTo(Name); return NOERROR; } catch(...) { return E_POINTER; }}
STDMETHODIMP CEncoder::InterfaceSupportsErrorInfo(REFIID riid){ static const IID* arr[] = { &IID_IMSVidEncoder }; for (int i=0; i < sizeof(arr) / sizeof(arr[0]); i++){ if (InlineIsEqualGUID(*arr[i],riid)) return S_OK; } return S_FALSE;}#endif // TUNING_MODEL_ONLY
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