diff options
Diffstat (limited to 'sys/dshowdecwrapper/gstdshowfakesrc.cpp')
| -rw-r--r-- | sys/dshowdecwrapper/gstdshowfakesrc.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/sys/dshowdecwrapper/gstdshowfakesrc.cpp b/sys/dshowdecwrapper/gstdshowfakesrc.cpp new file mode 100644 index 00000000..8095c36e --- /dev/null +++ b/sys/dshowdecwrapper/gstdshowfakesrc.cpp @@ -0,0 +1,153 @@ +/* GStreamer + * Copyright (C) 2007 Sebastien Moutte <sebastien@moutte.net> + * + * gstdshowfakesrc.cpp: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "gstdshowfakesrc.h" + +const GUID CLSID_DecodeFakeSrc = +{ 0x039527db, 0x6b48, 0x45a7, { 0xab, 0xcf, 0x21, 0xab, 0xc5, 0x44, 0xbb, 0xb6} }; + +static CCritSec g_pCriticSec; + +/* output pin*/ +FakeOutputPin::FakeOutputPin (CBaseFilter *pFilter, CCritSec *sec): + CBaseOutputPin("FakeOutputPin", pFilter, sec, &m_hres, L"output") +{ +} + +FakeOutputPin::~FakeOutputPin() +{ +} + +HRESULT FakeOutputPin::GetMediaType(int iPosition, + CMediaType *pMediaType) +{ + if(iPosition == 0) { + *pMediaType = m_MediaType; + return S_OK; + } + + return VFW_S_NO_MORE_ITEMS; +} + +HRESULT FakeOutputPin::CheckMediaType(const CMediaType *pmt) +{ + if (m_MediaType == *pmt) { + return S_OK; + } + + return S_FALSE; +} + +HRESULT FakeOutputPin::DecideBufferSize (IMemAllocator *pAlloc, + ALLOCATOR_PROPERTIES *ppropInputRequest) +{ + ALLOCATOR_PROPERTIES properties; + ppropInputRequest->cbBuffer = m_SampleSize; + ppropInputRequest->cBuffers = 1; + HRESULT hres = pAlloc->SetProperties(ppropInputRequest, &properties); + pAlloc->Commit(); + + return S_OK; +} + +STDMETHODIMP FakeOutputPin::SetMediaType (AM_MEDIA_TYPE *pmt) +{ + m_MediaType.Set (*pmt); + m_SampleSize = m_MediaType.GetSampleSize(); + return S_OK; +} + +STDMETHODIMP FakeOutputPin::PushBuffer(byte *buffer, + __int64 start, __int64 stop, + unsigned int size, bool discont) +{ + IMediaSample *pSample = NULL; + + if (start != -1) { + start /= 100; + stop /= 100; + } + + HRESULT hres = GetDeliveryBuffer(&pSample, NULL, NULL, 0); + if (hres == S_OK && pSample) + { + BYTE *sample_buffer; + pSample->GetPointer(&sample_buffer); + if(sample_buffer) + { + memcpy (sample_buffer, buffer, size); + pSample->SetActualDataLength(size); + } + pSample->SetDiscontinuity(discont); + + pSample->SetSyncPoint(TRUE); + pSample->SetPreroll(FALSE); + + if (start != -1) + pSample->SetTime(&start, &stop); + + hres = Deliver(pSample); + pSample->Release(); + } + + return S_OK; +} + +STDMETHODIMP FakeOutputPin::Flush () +{ + DeliverBeginFlush(); + DeliverEndFlush(); + return S_OK; +} + +STDMETHODIMP FakeOutputPin::SetSampleSize (unsigned int size) +{ + m_SampleSize = size; + return S_OK; +} + +/* filter */ +FakeSrc::FakeSrc() : + CBaseFilter("DshowFakeSink", NULL, &g_pCriticSec, CLSID_DecodeFakeSrc) +{ + m_pOutputPin = new FakeOutputPin((CSource *)this, m_pLock); +} + +FakeSrc::~FakeSrc() +{ + if (m_pOutputPin) + delete m_pOutputPin; +} + +int FakeSrc::GetPinCount() +{ + return 1; +} + +CBasePin *FakeSrc::GetPin(int n) +{ + return (CBasePin *)m_pOutputPin; +} + +FakeOutputPin *FakeSrc::GetOutputPin() +{ + return m_pOutputPin; +}
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