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/*
* Copyright (C) 2003-2004 Gabest
* http://www.gabest.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "StdAfx.h"
#include <mmreg.h>
#include <initguid.h>
#include "DiracSplitter.h"
#include <moreuuids.h>
#ifdef REGISTER_FILTER
const AMOVIESETUP_MEDIATYPE sudPinTypesIn[] =
{
{&MEDIATYPE_Stream, &MEDIASUBTYPE_Dirac},
{&MEDIATYPE_Stream, &MEDIASUBTYPE_NULL}
};
const AMOVIESETUP_PIN sudpPins[] =
{
{L"Input", FALSE, FALSE, FALSE, FALSE, &CLSID_NULL, NULL, countof(sudPinTypesIn), sudPinTypesIn},
{L"Output", FALSE, TRUE, FALSE, FALSE, &CLSID_NULL, NULL, 0, NULL}
};
const AMOVIESETUP_MEDIATYPE sudPinTypesIn2[] =
{
{&MEDIATYPE_Video, &MEDIASUBTYPE_DiracVideo},
};
const AMOVIESETUP_MEDIATYPE sudPinTypesOut2[] =
{
{&MEDIATYPE_Video, &MEDIASUBTYPE_NULL},
};
const AMOVIESETUP_PIN sudpPins2[] =
{
{L"Input", FALSE, FALSE, FALSE, FALSE, &CLSID_NULL, NULL, countof(sudPinTypesIn2), sudPinTypesIn2},
{L"Output", FALSE, TRUE, FALSE, FALSE, &CLSID_NULL, NULL, countof(sudPinTypesOut2), sudPinTypesOut2}
};
const AMOVIESETUP_FILTER sudFilter[] =
{
{&__uuidof(CDiracSplitterFilter), L"MPC - Dirac Splitter", MERIT_NORMAL, countof(sudpPins), sudpPins, CLSID_LegacyAmFilterCategory},
{&__uuidof(CDiracSourceFilter), L"MPC - Dirac Source", MERIT_NORMAL, 0, NULL, CLSID_LegacyAmFilterCategory},
{&__uuidof(CDiracVideoDecoder), L"MPC - Dirac Video Decoder", MERIT_UNLIKELY, countof(sudpPins2), sudpPins2, CLSID_LegacyAmFilterCategory},
};
CFactoryTemplate g_Templates[] =
{
{sudFilter[0].strName, sudFilter[0].clsID, CreateInstance<CDiracSplitterFilter>, NULL, &sudFilter[0]},
{sudFilter[1].strName, sudFilter[1].clsID, CreateInstance<CDiracSourceFilter>, NULL, &sudFilter[1]},
{sudFilter[2].strName, sudFilter[2].clsID, CreateInstance<CDiracVideoDecoder>, NULL, &sudFilter[2]},
};
int g_cTemplates = countof(g_Templates);
STDAPI DllRegisterServer()
{
RegisterSourceFilter(
CLSID_AsyncReader,
MEDIASUBTYPE_Dirac,
_T("0,8,,4B572D4449524143"), // KW-DIRAC
_T(".drc"), NULL);
return AMovieDllRegisterServer2(TRUE);
}
STDAPI DllUnregisterServer()
{
UnRegisterSourceFilter(MEDIASUBTYPE_Dirac);
return AMovieDllRegisterServer2(FALSE);
}
#include "..\..\FilterApp.h"
CFilterApp theApp;
#endif
//
// CDiracSplitterFilter
//
CDiracSplitterFilter::CDiracSplitterFilter(LPUNKNOWN pUnk, HRESULT* phr)
: CBaseSplitterFilter(NAME("CDiracSplitterFilter"), pUnk, phr, __uuidof(this))
{
}
STDMETHODIMP CDiracSplitterFilter::NonDelegatingQueryInterface(REFIID riid, void** ppv)
{
CheckPointer(ppv, E_POINTER);
return
__super::NonDelegatingQueryInterface(riid, ppv);
}
HRESULT CDiracSplitterFilter::CreateOutputs(IAsyncReader* pAsyncReader)
{
CheckPointer(pAsyncReader, E_POINTER);
HRESULT hr = E_FAIL;
m_pFile.Free();
m_pFile.Attach(DNew CDiracSplitterFile(pAsyncReader, hr));
if(!m_pFile) return E_OUTOFMEMORY;
if(FAILED(hr)) {m_pFile.Free(); return hr;}
CAtlArray<CMediaType> mts;
mts.Add(m_pFile->GetMediaType());
CAutoPtr<CBaseSplitterOutputPin> pPinOut(DNew CBaseSplitterOutputPin(mts, L"Video", this, this, &hr));
AddOutputPin(0, pPinOut);
m_rtNewStart = m_rtCurrent = 0;
m_rtNewStop = m_rtStop = m_rtDuration = m_pFile->GetDuration();
return m_pOutputs.GetCount() > 0 ? S_OK : E_FAIL;
}
bool CDiracSplitterFilter::DemuxInit()
{
if(!m_pFile) return(false);
// TODO
return(true);
}
void CDiracSplitterFilter::DemuxSeek(REFERENCE_TIME rt)
{
REFERENCE_TIME rtPreroll = 0; //10000000;
if(rt <= rtPreroll || m_rtDuration <= 0)
{
//m_pFile->Seek(8);
m_pFile->Seek(0);
}
else
{
// TODO
__int64 len = m_pFile->GetLength();
__int64 seekpos = (__int64)(1.0*rt/m_rtDuration*len);
m_pFile->Seek(seekpos);
seekpos = 0;
REFERENCE_TIME rtmax = rt - rtPreroll;
REFERENCE_TIME rtmin = rtmax - 5000000;
REFERENCE_TIME pdt = _I64_MIN;
BYTE code;
for(int j = 0; j < 10; j++)
{
while(m_pFile->Next(code) && code != AU_START_CODE);
if(code != AU_START_CODE) {m_pFile->Seek(seekpos >>= 1); continue;}
__int64 pos = m_pFile->GetPos() - 5;
REFERENCE_TIME rt = ((DIRACINFOHEADER*)m_pFile->GetMediaType().Format())->hdr.AvgTimePerFrame * m_pFile->UnsignedGolombDecode();
REFERENCE_TIME dt = rt - rtmax;
if(dt > 0 && dt == pdt) dt = 10000000i64;
if(rtmin <= rt && rt <= rtmax || pdt > 0 && dt < 0)
{
seekpos = pos;
break;
}
m_pFile->Seek(pos - (__int64)(1.0*dt/m_rtDuration*len));
pdt = dt;
}
m_pFile->Seek(seekpos);
}
}
bool CDiracSplitterFilter::DemuxLoop()
{
HRESULT hr = S_OK;
REFERENCE_TIME rtAvgTimePerFrame = ((DIRACINFOHEADER*)m_pFile->GetMediaType().Format())->hdr.AvgTimePerFrame;
BYTE code;
while(SUCCEEDED(hr) && !CheckRequest(NULL))
{
int size = 0, fnum = 0;
const BYTE* pBuff = m_pFile->NextBlock(code, size, fnum);
if(!pBuff || size < 5) break;
if(isFrameStartCode(code))
{
CAutoPtr<Packet> p(DNew Packet());
p->SetCount(size);
memcpy(p->GetData(), pBuff, size);
p->TrackNumber = 0;
p->rtStart = rtAvgTimePerFrame*fnum;
p->rtStop = p->rtStart + rtAvgTimePerFrame;
p->bSyncPoint = code == AU_START_CODE;
hr = DeliverPacket(p);
}
if(code == SEQ_END_CODE)
break;
}
return(true);
}
//
// CDiracSourceFilter
//
CDiracSourceFilter::CDiracSourceFilter(LPUNKNOWN pUnk, HRESULT* phr)
: CDiracSplitterFilter(pUnk, phr)
{
m_clsid = __uuidof(this);
m_pInput.Free();
}
//
// CDiracVideoDecoder
//
CDiracVideoDecoder::CDiracVideoDecoder(LPUNKNOWN lpunk, HRESULT* phr)
: CTransformFilter(NAME("CDiracVideoDecoder"), lpunk, __uuidof(this))
{
if(phr) *phr = S_OK;
m_decoder = NULL;
m_pYUV[0] = NULL;
}
CDiracVideoDecoder::~CDiracVideoDecoder()
{
delete [] m_pYUV[0];
}
void CDiracVideoDecoder::InitDecoder()
{
FreeDecoder();
dirac_decoder_t* decoder = dirac_decoder_init(0);
DIRACINFOHEADER* dvih = (DIRACINFOHEADER*)m_pInput->CurrentMediaType().Format();
dirac_buffer(decoder, (BYTE*)&dvih->dwSequenceHeader[0], (BYTE*)&dvih->dwSequenceHeader[0] + dvih->cbSequenceHeader);
m_decoder = decoder;
}
void CDiracVideoDecoder::FreeDecoder()
{
if(m_decoder)
{
dirac_decoder_close((dirac_decoder_t*)m_decoder);
m_decoder = NULL;
delete [] m_pYUV[0]; m_pYUV[0] = NULL;
}
}
HRESULT CDiracVideoDecoder::Receive(IMediaSample* pIn)
{
CAutoLock cAutoLock(&m_csReceive);
HRESULT hr;
AM_SAMPLE2_PROPERTIES* const pProps = m_pInput->SampleProps();
if(pProps->dwStreamId != AM_STREAM_MEDIA)
return m_pOutput->Deliver(pIn);
BYTE* pDataIn = NULL;
if(FAILED(hr = pIn->GetPointer(&pDataIn))) return hr;
long len = pIn->GetActualDataLength();
if(len <= 0) return S_OK; // nothing to do
if(pIn->IsDiscontinuity() == S_OK)
InitDecoder();
dirac_decoder_t* decoder = (dirac_decoder_t*)m_decoder;
hr = S_OK;
while(SUCCEEDED(hr))
{
switch(dirac_parse(decoder))
{
case STATE_BUFFER:
if(len == 0) return S_OK;
dirac_buffer(decoder, pDataIn, pDataIn + len);
len = 0;
break;
case STATE_SEQUENCE:
TRACE(_T("STATE_SEQUENCE\n"));
{
DIRACINFOHEADER* dvih = (DIRACINFOHEADER*)m_pInput->CurrentMediaType().Format();
if(dvih->hdr.bmiHeader.biWidth != decoder->src_params.width
|| dvih->hdr.bmiHeader.biHeight != decoder->src_params.height)
return E_FAIL; // hmm
}
if(!m_pYUV[0])
{
int w = decoder->src_params.width;
int h = decoder->src_params.height;
int wc = decoder->src_params.chroma_width;
int hc = decoder->src_params.chroma_height;
delete [] m_pYUV[0]; m_pYUV[0] = NULL;
m_pYUV[0] = DNew BYTE[w*h + wc*hc*2 + w/2*h/2];
m_pYUV[1] = m_pYUV[0] + w*h;
m_pYUV[2] = m_pYUV[1] + wc*hc;
m_pYUV[3] = m_pYUV[2] + wc*hc;
memset(m_pYUV[3], 0x80, w/2*h/2);
m_rtAvgTimePerFrame = 10000000i64 * decoder->src_params.frame_rate.denominator / decoder->src_params.frame_rate.numerator;
dirac_set_buf(decoder, m_pYUV, NULL);
}
break;
case STATE_SEQUENCE_END:
TRACE(_T("STATE_SEQUENCE_END\n"));
break;
case STATE_INVALID:
TRACE(_T("STATE_INVALID\n"));
return E_FAIL; // TODO: can we recover from this state?
// break;
default:
TRACE(_T("unknown state\n"));
continue;
}
}
return hr;
}
HRESULT CDiracVideoDecoder::Deliver(IMediaSample* pIn, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
{
CheckPointer(pIn, E_POINTER);
HRESULT hr;
if(pIn->IsPreroll() == S_OK || rtStart < 0)
return S_OK;
CComPtr<IMediaSample> pOut;
BYTE* pDataOut = NULL;
if(FAILED(hr = m_pOutput->GetDeliveryBuffer(&pOut, NULL, NULL, 0))
|| FAILED(hr = pOut->GetPointer(&pDataOut)))
return hr;
AM_MEDIA_TYPE* pmt;
if(SUCCEEDED(pOut->GetMediaType(&pmt)) && pmt)
{
CMediaType mt(*pmt);
m_pOutput->SetMediaType(&mt);
DeleteMediaType(pmt);
}
TRACE(_T("CDiracVideoDecoder::Deliver(%I64d, %I64d)\n"), rtStart, rtStop);
pOut->SetTime(&rtStart, &rtStop);
pOut->SetMediaTime(NULL, NULL);
pOut->SetDiscontinuity(pIn->IsDiscontinuity() == S_OK);
pOut->SetSyncPoint(TRUE);
if(GetCLSID(m_pOutput->GetConnected()) == CLSID_OverlayMixer)
pOut->SetDiscontinuity(TRUE);
Copy(pDataOut);
return m_pOutput->Deliver(pOut);
}
void CDiracVideoDecoder::Copy(BYTE* pOut)
{
// FIXME: modes other than I420 and Y-only
BITMAPINFOHEADER bihOut;
ExtractBIH(&m_pOutput->CurrentMediaType(), &bihOut);
dirac_decoder_t* decoder = (dirac_decoder_t*)m_decoder;
int w = decoder->src_params.width;
int h = decoder->src_params.height;
int wc = decoder->src_params.chroma_width;
int hc = decoder->src_params.chroma_height;
int pitchIn = w;
BYTE* pY = m_pYUV[0];
BYTE* pU = w/2 == wc && h/2 == hc ? m_pYUV[1] : m_pYUV[3]; // FIXME
BYTE* pV = w/2 == wc && h/2 == hc ? m_pYUV[2] : m_pYUV[3]; // FIXME
if(bihOut.biCompression == '2YUY')
{
BitBltFromI420ToYUY2(w, h, pOut, bihOut.biWidth*2, pY, pU, pV, pitchIn);
}
else if(bihOut.biCompression == 'I420' || bihOut.biCompression == 'VUYI')
{
BitBltFromI420ToI420(w, h, pOut, pOut + bihOut.biWidth*h, pOut + bihOut.biWidth*h*5/4, bihOut.biWidth, pY, pU, pV, pitchIn);
}
else if(bihOut.biCompression == '21VY')
{
BitBltFromI420ToI420(w, h, pOut, pOut + bihOut.biWidth*h*5/4, pOut + bihOut.biWidth*h, bihOut.biWidth, pY, pU, pV, pitchIn);
}
else if(bihOut.biCompression == BI_RGB || bihOut.biCompression == BI_BITFIELDS)
{
int pitchOut = bihOut.biWidth*bihOut.biBitCount>>3;
if(bihOut.biHeight > 0)
{
pOut += pitchOut*(h-1);
pitchOut = -pitchOut;
}
if(!BitBltFromI420ToRGB(w, h, pOut, pitchOut, bihOut.biBitCount, pY, pU, pV, pitchIn))
{
for(DWORD y = 0; y < h; y++, pOut += pitchOut)
memset(pOut, 0, pitchOut);
}
}
}
HRESULT CDiracVideoDecoder::CheckInputType(const CMediaType* mtIn)
{
DIRACINFOHEADER* dvih = (DIRACINFOHEADER*)mtIn->Format();
if(mtIn->majortype != MEDIATYPE_Video
|| mtIn->subtype != MEDIASUBTYPE_DiracVideo
|| mtIn->formattype != FORMAT_DiracVideoInfo
|| (dvih->hdr.bmiHeader.biWidth&1) || (dvih->hdr.bmiHeader.biHeight&1))
return VFW_E_TYPE_NOT_ACCEPTED;
return S_OK;
}
HRESULT CDiracVideoDecoder::CheckTransform(const CMediaType* mtIn, const CMediaType* mtOut)
{
if(m_pOutput && m_pOutput->IsConnected())
{
BITMAPINFOHEADER bih1, bih2;
if(ExtractBIH(mtOut, &bih1) && ExtractBIH(&m_pOutput->CurrentMediaType(), &bih2)
&& abs(bih1.biHeight) != abs(bih2.biHeight))
return VFW_E_TYPE_NOT_ACCEPTED;
}
return mtIn->majortype == MEDIATYPE_Video && mtIn->subtype == MEDIASUBTYPE_DiracVideo
&& mtOut->majortype == MEDIATYPE_Video && (mtOut->subtype == MEDIASUBTYPE_YUY2
|| mtOut->subtype == MEDIASUBTYPE_YV12
|| mtOut->subtype == MEDIASUBTYPE_I420
|| mtOut->subtype == MEDIASUBTYPE_IYUV
|| mtOut->subtype == MEDIASUBTYPE_ARGB32
|| mtOut->subtype == MEDIASUBTYPE_RGB32
|| mtOut->subtype == MEDIASUBTYPE_RGB24
|| mtOut->subtype == MEDIASUBTYPE_RGB565
|| mtOut->subtype == MEDIASUBTYPE_RGB555)
? S_OK
: VFW_E_TYPE_NOT_ACCEPTED;
}
HRESULT CDiracVideoDecoder::DecideBufferSize(IMemAllocator* pAllocator, ALLOCATOR_PROPERTIES* pProperties)
{
if(m_pInput->IsConnected() == FALSE) return E_UNEXPECTED;
BITMAPINFOHEADER bih;
ExtractBIH(&m_pOutput->CurrentMediaType(), &bih);
pProperties->cBuffers = 1;
pProperties->cbBuffer = bih.biSizeImage;
pProperties->cbAlign = 1;
pProperties->cbPrefix = 0;
HRESULT hr;
ALLOCATOR_PROPERTIES Actual;
if(FAILED(hr = pAllocator->SetProperties(pProperties, &Actual)))
return hr;
return(pProperties->cBuffers > Actual.cBuffers || pProperties->cbBuffer > Actual.cbBuffer
? E_FAIL
: NOERROR);
}
HRESULT CDiracVideoDecoder::GetMediaType(int iPosition, CMediaType* pmt)
{
if(m_pInput->IsConnected() == FALSE) return E_UNEXPECTED;
struct {const GUID* subtype; WORD biPlanes, biBitCount; DWORD biCompression;} fmts[] =
{
{&MEDIASUBTYPE_YV12, 3, 12, '21VY'},
{&MEDIASUBTYPE_I420, 3, 12, '024I'},
{&MEDIASUBTYPE_IYUV, 3, 12, 'VUYI'},
{&MEDIASUBTYPE_YUY2, 1, 16, '2YUY'},
{&MEDIASUBTYPE_ARGB32, 1, 32, BI_RGB},
{&MEDIASUBTYPE_RGB32, 1, 32, BI_RGB},
{&MEDIASUBTYPE_RGB24, 1, 24, BI_RGB},
{&MEDIASUBTYPE_RGB565, 1, 16, BI_RGB},
{&MEDIASUBTYPE_RGB555, 1, 16, BI_RGB},
{&MEDIASUBTYPE_ARGB32, 1, 32, BI_BITFIELDS},
{&MEDIASUBTYPE_RGB32, 1, 32, BI_BITFIELDS},
{&MEDIASUBTYPE_RGB24, 1, 24, BI_BITFIELDS},
{&MEDIASUBTYPE_RGB565, 1, 16, BI_BITFIELDS},
{&MEDIASUBTYPE_RGB555, 1, 16, BI_BITFIELDS},
};
if(m_pInput->CurrentMediaType().formattype == FORMAT_VideoInfo)
iPosition = iPosition*2 + 1;
if(iPosition < 0) return E_INVALIDARG;
if(iPosition >= 2*countof(fmts)) return VFW_S_NO_MORE_ITEMS;
BITMAPINFOHEADER bih;
ExtractBIH(&m_pInput->CurrentMediaType(), &bih);
pmt->majortype = MEDIATYPE_Video;
pmt->subtype = *fmts[iPosition/2].subtype;
BITMAPINFOHEADER bihOut;
memset(&bihOut, 0, sizeof(bihOut));
bihOut.biSize = sizeof(bihOut);
bihOut.biWidth = bih.biWidth;
bihOut.biHeight = bih.biHeight;
bihOut.biPlanes = fmts[iPosition/2].biPlanes;
bihOut.biBitCount = fmts[iPosition/2].biBitCount;
bihOut.biCompression = fmts[iPosition/2].biCompression;
bihOut.biSizeImage = bih.biWidth*bih.biHeight*bihOut.biBitCount>>3;
if(iPosition&1)
{
pmt->formattype = FORMAT_VideoInfo;
VIDEOINFOHEADER* vih = (VIDEOINFOHEADER*)pmt->AllocFormatBuffer(sizeof(VIDEOINFOHEADER));
memset(vih, 0, sizeof(VIDEOINFOHEADER));
vih->bmiHeader = bihOut;
if(m_pInput->CurrentMediaType().formattype == FORMAT_VideoInfo2)
{
vih->bmiHeader.biWidth = ((VIDEOINFOHEADER2*)m_pInput->CurrentMediaType().Format())->dwPictAspectRatioX;
vih->bmiHeader.biHeight = ((VIDEOINFOHEADER2*)m_pInput->CurrentMediaType().Format())->dwPictAspectRatioY;
vih->bmiHeader.biSizeImage = vih->bmiHeader.biWidth*vih->bmiHeader.biHeight*vih->bmiHeader.biBitCount>>3;
}
}
else
{
pmt->formattype = FORMAT_VideoInfo2;
VIDEOINFOHEADER2* vih2 = (VIDEOINFOHEADER2*)pmt->AllocFormatBuffer(sizeof(VIDEOINFOHEADER2));
memset(vih2, 0, sizeof(VIDEOINFOHEADER2));
vih2->bmiHeader = bihOut;
vih2->dwPictAspectRatioX = ((VIDEOINFOHEADER2*)m_pInput->CurrentMediaType().Format())->dwPictAspectRatioX;
vih2->dwPictAspectRatioY = ((VIDEOINFOHEADER2*)m_pInput->CurrentMediaType().Format())->dwPictAspectRatioY;
}
CorrectMediaType(pmt);
return S_OK;
}
HRESULT CDiracVideoDecoder::StartStreaming()
{
InitDecoder();
return __super::StartStreaming();
}
HRESULT CDiracVideoDecoder::StopStreaming()
{
FreeDecoder();
return __super::StopStreaming();
}
HRESULT CDiracVideoDecoder::NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
{
CAutoLock cAutoLock(&m_csReceive);
m_fDropFrames = false;
m_tStart = tStart;
return __super::NewSegment(tStart, tStop, dRate);
}
HRESULT CDiracVideoDecoder::AlterQuality(Quality q)
{
if(q.Late > 500*10000i64) m_fDropFrames = true;
if(q.Late <= 0) m_fDropFrames = false;
return E_NOTIMPL;
}
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