diff options
Diffstat (limited to 'gst-libs/gst/dshow/gstdshowfakesrc.cpp')
| -rw-r--r-- | gst-libs/gst/dshow/gstdshowfakesrc.cpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/gst-libs/gst/dshow/gstdshowfakesrc.cpp b/gst-libs/gst/dshow/gstdshowfakesrc.cpp new file mode 100644 index 00000000..2c6bcc88 --- /dev/null +++ b/gst-libs/gst/dshow/gstdshowfakesrc.cpp @@ -0,0 +1,205 @@ +/* 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" + +static CCritSec g_pCriticSec; + +/* output pin*/ +CDshowFakeOutputPin::CDshowFakeOutputPin (CBaseFilter *pFilter, CCritSec *sec): + CBaseOutputPin("FakeOutputPin", pFilter, sec, &m_hres, L"output") +{ +} + +CDshowFakeOutputPin::~CDshowFakeOutputPin() +{ + +} + +HRESULT CDshowFakeOutputPin::GetMediaType(int iPosition, CMediaType *pMediaType) +{ + if(iPosition == 0) { + *pMediaType = m_MediaType; + return S_OK; + } + + return VFW_S_NO_MORE_ITEMS; +} + +HRESULT CDshowFakeOutputPin::CheckMediaType(const CMediaType *pmt) +{ + if (m_MediaType == *pmt) { + return S_OK; + } + + return S_FALSE; +} + +HRESULT CDshowFakeOutputPin::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 CDshowFakeOutputPin::SetMediaType (AM_MEDIA_TYPE *pmt) +{ + m_MediaType.Set (*pmt); + m_SampleSize = m_MediaType.GetSampleSize(); + return S_OK; +} + +STDMETHODIMP CDshowFakeOutputPin::PushBuffer(byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount) +{ + 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); + } + if (discount) + pSample->SetDiscontinuity(TRUE); + else + pSample->SetDiscontinuity(FALSE); + + pSample->SetSyncPoint(TRUE); + pSample->SetPreroll(FALSE); + + if (start != -1) + pSample->SetTime(&start, &stop); + + hres = Deliver(pSample); + pSample->Release(); + } + + return S_OK; +} + +STDMETHODIMP CDshowFakeOutputPin::Flush () +{ + DeliverBeginFlush(); + DeliverEndFlush(); + return S_OK; +} + +STDMETHODIMP CDshowFakeOutputPin::SetSampleSize (unsigned int size) +{ + m_SampleSize = size; + return S_OK; +} + +/* filter */ +CDshowFakeSrc::CDshowFakeSrc():CBaseFilter("DshowFakeSink", NULL, &g_pCriticSec, CLSID_DshowFakeSrc) +{ + m_pOutputPin = new CDshowFakeOutputPin((CSource *)this, m_pLock); +} + +CDshowFakeSrc::~CDshowFakeSrc() +{ + if (m_pOutputPin) + delete m_pOutputPin; +} + +//Object creation. +CUnknown* WINAPI CDshowFakeSrc::CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr) +{ + CDshowFakeSrc *pNewObject = new CDshowFakeSrc(); + if (pNewObject == NULL) { + *pHr = E_OUTOFMEMORY; + } + return pNewObject; +} + +int CDshowFakeSrc::GetPinCount() +{ + return 1; +} + +CBasePin *CDshowFakeSrc::GetPin(int n) +{ + return (CBasePin *)m_pOutputPin; +} + + +STDMETHODIMP CDshowFakeSrc::QueryInterface(REFIID riid, void **ppvObject) +{ + if (riid == IID_IGstDshowInterface) { + *ppvObject = (IGstDshowInterface*) this; + AddRef(); + return S_OK; + } + else + return CBaseFilter::QueryInterface (riid, ppvObject); +} + +ULONG STDMETHODCALLTYPE CDshowFakeSrc::AddRef() +{ + return CBaseFilter::AddRef(); +} + +ULONG STDMETHODCALLTYPE CDshowFakeSrc::Release() +{ + return CBaseFilter::Release(); +} + +STDMETHODIMP CDshowFakeSrc::gst_set_media_type (AM_MEDIA_TYPE *pmt) +{ + m_pOutputPin->SetMediaType(pmt); + return S_OK; +} + +STDMETHODIMP CDshowFakeSrc::gst_set_buffer_callback (push_buffer_func push, byte *data) +{ + return E_NOTIMPL; +} + +STDMETHODIMP CDshowFakeSrc::gst_push_buffer (byte *buffer, __int64 start, __int64 stop, unsigned int size, bool discount) +{ + m_pOutputPin->PushBuffer(buffer, start, stop, size, discount); + return S_OK; +} + +STDMETHODIMP CDshowFakeSrc::gst_flush () +{ + m_pOutputPin->Flush(); + return S_OK; +} + +STDMETHODIMP CDshowFakeSrc::gst_set_sample_size(unsigned int size) +{ + m_pOutputPin->SetSampleSize(size); + return S_OK; +}
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