666 lines
18 KiB
C++
666 lines
18 KiB
C++
/*
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* Copyright (C) 2003-2006 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "StdAfx.h"
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#include <mmintrin.h>
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#include "BaseVideoFilter.h"
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#include "../dsutil/DSUtil.h"
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#include "../dsutil/MediaTypes.h"
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#include <initguid.h>
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#include "../include/moreuuids.h"
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//
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// CBaseVideoFilter
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//
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CBaseVideoFilter::CBaseVideoFilter(TCHAR* pName, LPUNKNOWN lpunk, HRESULT* phr, REFCLSID clsid, long cBuffers)
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: CTransformFilter(pName, lpunk, clsid)
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, m_cBuffers(cBuffers)
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{
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if(phr) *phr = S_OK;
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if(!(m_pInput = new CBaseVideoInputPin(NAME("CBaseVideoInputPin"), this, phr, L"Video"))) *phr = E_OUTOFMEMORY;
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if(FAILED(*phr)) return;
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if(!(m_pOutput = new CBaseVideoOutputPin(NAME("CBaseVideoOutputPin"), this, phr, L"Output"))) *phr = E_OUTOFMEMORY;
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if(FAILED(*phr)) {delete m_pInput, m_pInput = NULL; return;}
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m_wout = m_win = m_w = 0;
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m_hout = m_hin = m_h = 0;
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m_arxout = m_arxin = m_arx = 0;
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m_aryout = m_aryin = m_ary = 0;
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}
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CBaseVideoFilter::~CBaseVideoFilter()
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{
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}
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int CBaseVideoFilter::GetPinCount()
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{
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return 2;
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}
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CBasePin* CBaseVideoFilter::GetPin(int n)
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{
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switch(n)
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{
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case 0: return m_pInput;
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case 1: return m_pOutput;
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}
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return NULL;
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}
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HRESULT CBaseVideoFilter::Receive(IMediaSample* pIn)
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{
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_mm_empty(); // just for safety
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CAutoLock cAutoLock(&m_csReceive);
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HRESULT hr;
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AM_SAMPLE2_PROPERTIES* const pProps = m_pInput->SampleProps();
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if(pProps->dwStreamId != AM_STREAM_MEDIA)
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return m_pOutput->Deliver(pIn);
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AM_MEDIA_TYPE* pmt;
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if(SUCCEEDED(pIn->GetMediaType(&pmt)) && pmt)
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{
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CMediaType mt(*pmt);
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m_pInput->SetMediaType(&mt);
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DeleteMediaType(pmt);
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}
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if(FAILED(hr = Transform(pIn)))
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return hr;
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return S_OK;
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}
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HRESULT CBaseVideoFilter::GetDeliveryBuffer(int w, int h, IMediaSample** ppOut)
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{
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CheckPointer(ppOut, E_POINTER);
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HRESULT hr;
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if(FAILED(hr = ReconnectOutput(w, h)))
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return hr;
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if(FAILED(hr = m_pOutput->GetDeliveryBuffer(ppOut, NULL, NULL, 0)))
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return hr;
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AM_MEDIA_TYPE* pmt;
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if(SUCCEEDED((*ppOut)->GetMediaType(&pmt)) && pmt)
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{
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CMediaType mt = *pmt;
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m_pOutput->SetMediaType(&mt);
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DeleteMediaType(pmt);
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}
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(*ppOut)->SetDiscontinuity(FALSE);
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(*ppOut)->SetSyncPoint(TRUE);
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// FIXME: hell knows why but without this the overlay mixer starts very skippy
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// (don't enable this for other renderers, the old for example will go crazy if you do)
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if(GetCLSID(m_pOutput->GetConnected()) == CLSID_OverlayMixer)
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(*ppOut)->SetDiscontinuity(TRUE);
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return S_OK;
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}
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HRESULT CBaseVideoFilter::ReconnectOutput(int w, int h)
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{
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CMediaType& mt = m_pOutput->CurrentMediaType();
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int w_org = m_w;
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int h_org = m_h;
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bool fForceReconnection = false;
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if(w != m_w || h != m_h)
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{
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fForceReconnection = true;
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m_w = w;
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m_h = h;
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}
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HRESULT hr = S_OK;
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if(fForceReconnection || m_w != m_wout || m_h != m_hout || m_arx != m_arxout || m_ary != m_aryout)
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{
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if(GetCLSID(m_pOutput->GetConnected()) == CLSID_VideoRenderer)
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{
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NotifyEvent(EC_ERRORABORT, 0, 0);
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return E_FAIL;
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}
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BITMAPINFOHEADER* bmi = NULL;
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if(mt.formattype == FORMAT_VideoInfo)
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{
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VIDEOINFOHEADER* vih = (VIDEOINFOHEADER*)mt.Format();
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SetRect(&vih->rcSource, 0, 0, m_w, m_h);
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SetRect(&vih->rcTarget, 0, 0, m_w, m_h);
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bmi = &vih->bmiHeader;
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bmi->biXPelsPerMeter = m_w * m_ary;
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bmi->biYPelsPerMeter = m_h * m_arx;
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}
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else if(mt.formattype == FORMAT_VideoInfo2)
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{
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VIDEOINFOHEADER2* vih = (VIDEOINFOHEADER2*)mt.Format();
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SetRect(&vih->rcSource, 0, 0, m_w, m_h);
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SetRect(&vih->rcTarget, 0, 0, m_w, m_h);
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bmi = &vih->bmiHeader;
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vih->dwPictAspectRatioX = m_arx;
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vih->dwPictAspectRatioY = m_ary;
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}
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bmi->biWidth = m_w;
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bmi->biHeight = m_h;
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bmi->biSizeImage = m_w*m_h*bmi->biBitCount>>3;
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hr = m_pOutput->GetConnected()->QueryAccept(&mt);
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ASSERT(SUCCEEDED(hr)); // should better not fail, after all "mt" is the current media type, just with a different resolution
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HRESULT hr1 = 0, hr2 = 0;
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CComPtr<IMediaSample> pOut;
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if(SUCCEEDED(hr1 = m_pOutput->GetConnected()->ReceiveConnection(m_pOutput, &mt))
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&& SUCCEEDED(hr2 = m_pOutput->GetDeliveryBuffer(&pOut, NULL, NULL, 0)))
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{
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AM_MEDIA_TYPE* pmt;
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if(SUCCEEDED(pOut->GetMediaType(&pmt)) && pmt)
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{
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CMediaType mt = *pmt;
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m_pOutput->SetMediaType(&mt);
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DeleteMediaType(pmt);
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}
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else // stupid overlay mixer won't let us know the new pitch...
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{
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long size = pOut->GetSize();
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bmi->biWidth = size / bmi->biHeight * 8 / bmi->biBitCount;
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}
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}
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else
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{
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m_w = w_org;
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m_h = h_org;
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return E_FAIL;
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}
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m_wout = m_w;
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m_hout = m_h;
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m_arxout = m_arx;
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m_aryout = m_ary;
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// some renderers don't send this
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NotifyEvent(EC_VIDEO_SIZE_CHANGED, MAKELPARAM(m_w, m_h), 0);
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return S_OK;
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}
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return S_FALSE;
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}
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HRESULT CBaseVideoFilter::CopyBuffer(BYTE* pOut, BYTE* pIn, int w, int h, int pitchIn, const GUID& subtype, bool fInterlaced)
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{
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int abs_h = abs(h);
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BYTE* pInYUV[3] = {pIn, pIn + pitchIn*abs_h, pIn + pitchIn*abs_h + (pitchIn>>1)*(abs_h>>1)};
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return CopyBuffer(pOut, pInYUV, w, h, pitchIn, subtype, fInterlaced);
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}
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HRESULT CBaseVideoFilter::CopyBuffer(BYTE* pOut, BYTE** ppIn, int w, int h, int pitchIn, const GUID& subtype, bool fInterlaced)
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{
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BITMAPINFOHEADER bihOut;
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ExtractBIH(&m_pOutput->CurrentMediaType(), &bihOut);
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int pitchOut = 0;
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if(bihOut.biCompression == BI_RGB || bihOut.biCompression == BI_BITFIELDS)
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{
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pitchOut = bihOut.biWidth*bihOut.biBitCount>>3;
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if(bihOut.biHeight > 0)
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{
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pOut += pitchOut*(h-1);
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pitchOut = -pitchOut;
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if(h < 0) h = -h;
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}
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}
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if(h < 0)
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{
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h = -h;
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ppIn[0] += pitchIn*(h-1);
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ppIn[1] += (pitchIn>>1)*((h>>1)-1);
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ppIn[2] += (pitchIn>>1)*((h>>1)-1);
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pitchIn = -pitchIn;
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}
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if(subtype == MEDIASUBTYPE_I420 || subtype == MEDIASUBTYPE_IYUV || subtype == MEDIASUBTYPE_YV12)
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{
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BYTE* pIn = ppIn[0];
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BYTE* pInU = ppIn[1];
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BYTE* pInV = ppIn[2];
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if(subtype == MEDIASUBTYPE_YV12) {BYTE* tmp = pInU; pInU = pInV; pInV = tmp;}
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BYTE* pOutU = pOut + bihOut.biWidth*h;
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BYTE* pOutV = pOut + bihOut.biWidth*h*5/4;
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if(bihOut.biCompression == '21VY') {BYTE* tmp = pOutU; pOutU = pOutV; pOutV = tmp;}
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ASSERT(w <= abs(pitchIn));
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if(bihOut.biCompression == '2YUY')
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{
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BitBltFromI420ToYUY2(w, h, pOut, bihOut.biWidth*2, pIn, pInU, pInV, pitchIn, fInterlaced);
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}
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else if(bihOut.biCompression == '024I' || bihOut.biCompression == 'VUYI' || bihOut.biCompression == '21VY')
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{
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BitBltFromI420ToI420(w, h, pOut, pOutU, pOutV, bihOut.biWidth, pIn, pInU, pInV, pitchIn);
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}
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else if(bihOut.biCompression == BI_RGB || bihOut.biCompression == BI_BITFIELDS)
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{
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if(!BitBltFromI420ToRGB(w, h, pOut, pitchOut, bihOut.biBitCount, pIn, pInU, pInV, pitchIn))
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{
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for(DWORD y = 0; y < h; y++, pOut += pitchOut)
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memset(pOut, 0, pitchOut);
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}
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}
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}
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else if(subtype == MEDIASUBTYPE_YUY2)
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{
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if(bihOut.biCompression == '2YUY')
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{
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BitBltFromYUY2ToYUY2(w, h, pOut, bihOut.biWidth*2, ppIn[0], pitchIn);
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}
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else if(bihOut.biCompression == BI_RGB || bihOut.biCompression == BI_BITFIELDS)
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{
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if(!BitBltFromYUY2ToRGB(w, h, pOut, pitchOut, bihOut.biBitCount, ppIn[0], pitchIn))
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{
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for(DWORD y = 0; y < h; y++, pOut += pitchOut)
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memset(pOut, 0, pitchOut);
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}
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}
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}
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else if(subtype == MEDIASUBTYPE_ARGB32 || subtype == MEDIASUBTYPE_RGB32 || subtype == MEDIASUBTYPE_RGB24 || subtype == MEDIASUBTYPE_RGB565)
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{
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int sbpp =
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subtype == MEDIASUBTYPE_ARGB32 || subtype == MEDIASUBTYPE_RGB32 ? 32 :
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subtype == MEDIASUBTYPE_RGB24 ? 24 :
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subtype == MEDIASUBTYPE_RGB565 ? 16 : 0;
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if(bihOut.biCompression == '2YUY')
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{
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// TODO
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// BitBltFromRGBToYUY2();
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}
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else if(bihOut.biCompression == BI_RGB || bihOut.biCompression == BI_BITFIELDS)
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{
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if(!BitBltFromRGBToRGB(w, h, pOut, pitchOut, bihOut.biBitCount, ppIn[0], pitchIn, sbpp))
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{
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for(DWORD y = 0; y < h; y++, pOut += pitchOut)
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memset(pOut, 0, pitchOut);
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}
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}
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}
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else
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{
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return VFW_E_TYPE_NOT_ACCEPTED;
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}
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return S_OK;
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}
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HRESULT CBaseVideoFilter::CheckInputType(const CMediaType* mtIn)
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{
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BITMAPINFOHEADER bih;
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ExtractBIH(mtIn, &bih);
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return mtIn->majortype == MEDIATYPE_Video
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&& (mtIn->subtype == MEDIASUBTYPE_YV12
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|| mtIn->subtype == MEDIASUBTYPE_I420
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|| mtIn->subtype == MEDIASUBTYPE_IYUV
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|| mtIn->subtype == MEDIASUBTYPE_YUY2
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|| mtIn->subtype == MEDIASUBTYPE_ARGB32
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|| mtIn->subtype == MEDIASUBTYPE_RGB32
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|| mtIn->subtype == MEDIASUBTYPE_RGB24
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|| mtIn->subtype == MEDIASUBTYPE_RGB565)
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&& (mtIn->formattype == FORMAT_VideoInfo
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|| mtIn->formattype == FORMAT_VideoInfo2)
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&& bih.biHeight > 0
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? S_OK
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: VFW_E_TYPE_NOT_ACCEPTED;
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}
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HRESULT CBaseVideoFilter::CheckTransform(const CMediaType* mtIn, const CMediaType* mtOut)
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{
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if(FAILED(CheckInputType(mtIn)) || mtOut->majortype != MEDIATYPE_Video)
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return VFW_E_TYPE_NOT_ACCEPTED;
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if(mtIn->majortype == MEDIATYPE_Video
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&& (mtIn->subtype == MEDIASUBTYPE_YV12
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|| mtIn->subtype == MEDIASUBTYPE_I420
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|| mtIn->subtype == MEDIASUBTYPE_IYUV))
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{
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if(mtOut->subtype != MEDIASUBTYPE_YV12
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&& mtOut->subtype != MEDIASUBTYPE_I420
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&& mtOut->subtype != MEDIASUBTYPE_IYUV
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&& mtOut->subtype != MEDIASUBTYPE_YUY2
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&& mtOut->subtype != MEDIASUBTYPE_ARGB32
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&& mtOut->subtype != MEDIASUBTYPE_RGB32
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&& mtOut->subtype != MEDIASUBTYPE_RGB24
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&& mtOut->subtype != MEDIASUBTYPE_RGB565)
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return VFW_E_TYPE_NOT_ACCEPTED;
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}
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else if(mtIn->majortype == MEDIATYPE_Video
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&& (mtIn->subtype == MEDIASUBTYPE_YUY2))
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{
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if(mtOut->subtype != MEDIASUBTYPE_YUY2
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&& mtOut->subtype != MEDIASUBTYPE_ARGB32
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&& mtOut->subtype != MEDIASUBTYPE_RGB32
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&& mtOut->subtype != MEDIASUBTYPE_RGB24
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&& mtOut->subtype != MEDIASUBTYPE_RGB565)
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return VFW_E_TYPE_NOT_ACCEPTED;
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}
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else if(mtIn->majortype == MEDIATYPE_Video
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&& (mtIn->subtype == MEDIASUBTYPE_ARGB32
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|| mtIn->subtype == MEDIASUBTYPE_RGB32
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|| mtIn->subtype == MEDIASUBTYPE_RGB24
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|| mtIn->subtype == MEDIASUBTYPE_RGB565))
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{
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if(mtOut->subtype != MEDIASUBTYPE_ARGB32
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&& mtOut->subtype != MEDIASUBTYPE_RGB32
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&& mtOut->subtype != MEDIASUBTYPE_RGB24
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&& mtOut->subtype != MEDIASUBTYPE_RGB565)
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return VFW_E_TYPE_NOT_ACCEPTED;
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}
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return S_OK;
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}
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HRESULT CBaseVideoFilter::CheckOutputType(const CMediaType& mtOut)
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{
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int wout = 0, hout = 0, arxout = 0, aryout = 0;
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return ExtractDim(&mtOut, wout, hout, arxout, aryout)
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&& m_h == abs((int)hout)
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&& mtOut.subtype != MEDIASUBTYPE_ARGB32
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? S_OK
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: VFW_E_TYPE_NOT_ACCEPTED;
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}
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HRESULT CBaseVideoFilter::DecideBufferSize(IMemAllocator* pAllocator, ALLOCATOR_PROPERTIES* pProperties)
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{
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if(m_pInput->IsConnected() == FALSE) return E_UNEXPECTED;
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BITMAPINFOHEADER bih;
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ExtractBIH(&m_pOutput->CurrentMediaType(), &bih);
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long cBuffers = m_pOutput->CurrentMediaType().formattype == FORMAT_VideoInfo ? 1 : m_cBuffers;
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pProperties->cBuffers = m_cBuffers;
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pProperties->cbBuffer = bih.biSizeImage;
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pProperties->cbAlign = 1;
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pProperties->cbPrefix = 0;
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HRESULT hr;
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ALLOCATOR_PROPERTIES Actual;
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if(FAILED(hr = pAllocator->SetProperties(pProperties, &Actual)))
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return hr;
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return pProperties->cBuffers > Actual.cBuffers || pProperties->cbBuffer > Actual.cbBuffer
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? E_FAIL
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: NOERROR;
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}
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HRESULT CBaseVideoFilter::GetMediaType(int iPosition, CMediaType* pmt)
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{
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if(m_pInput->IsConnected() == FALSE) return E_UNEXPECTED;
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struct {const GUID* subtype; WORD biPlanes, biBitCount; DWORD biCompression;} fmts[] =
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{
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{&MEDIASUBTYPE_YV12, 3, 12, '21VY'},
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{&MEDIASUBTYPE_I420, 3, 12, '024I'},
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{&MEDIASUBTYPE_IYUV, 3, 12, 'VUYI'},
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{&MEDIASUBTYPE_YUY2, 1, 16, '2YUY'},
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{&MEDIASUBTYPE_ARGB32, 1, 32, BI_RGB},
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{&MEDIASUBTYPE_RGB32, 1, 32, BI_RGB},
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{&MEDIASUBTYPE_RGB24, 1, 24, BI_RGB},
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{&MEDIASUBTYPE_RGB565, 1, 16, BI_RGB},
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{&MEDIASUBTYPE_RGB555, 1, 16, BI_RGB},
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{&MEDIASUBTYPE_ARGB32, 1, 32, BI_BITFIELDS},
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{&MEDIASUBTYPE_RGB32, 1, 32, BI_BITFIELDS},
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{&MEDIASUBTYPE_RGB24, 1, 24, BI_BITFIELDS},
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{&MEDIASUBTYPE_RGB565, 1, 16, BI_BITFIELDS},
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{&MEDIASUBTYPE_RGB555, 1, 16, BI_BITFIELDS},
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};
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// this will make sure we won't connect to the old renderer in dvd mode
|
|
// that renderer can't switch the format dynamically
|
|
|
|
bool fFoundDVDNavigator = false;
|
|
CComPtr<IBaseFilter> pBF = this;
|
|
CComPtr<IPin> pPin = m_pInput;
|
|
for(; !fFoundDVDNavigator && (pBF = GetUpStreamFilter(pBF, pPin)); pPin = GetFirstPin(pBF))
|
|
fFoundDVDNavigator = GetCLSID(pBF) == CLSID_DVDNavigator;
|
|
|
|
if(fFoundDVDNavigator || m_pInput->CurrentMediaType().formattype == FORMAT_VideoInfo2)
|
|
iPosition = iPosition*2;
|
|
|
|
//
|
|
|
|
if(iPosition < 0) return E_INVALIDARG;
|
|
if(iPosition >= 2*countof(fmts)) return VFW_S_NO_MORE_ITEMS;
|
|
|
|
pmt->majortype = MEDIATYPE_Video;
|
|
pmt->subtype = *fmts[iPosition/2].subtype;
|
|
|
|
int w = m_win, h = m_hin, arx = m_arxin, ary = m_aryin;
|
|
GetOutputSize(w, h, arx, ary);
|
|
|
|
BITMAPINFOHEADER bihOut;
|
|
memset(&bihOut, 0, sizeof(bihOut));
|
|
bihOut.biSize = sizeof(bihOut);
|
|
bihOut.biWidth = w;
|
|
bihOut.biHeight = h;
|
|
bihOut.biPlanes = fmts[iPosition/2].biPlanes;
|
|
bihOut.biBitCount = fmts[iPosition/2].biBitCount;
|
|
bihOut.biCompression = fmts[iPosition/2].biCompression;
|
|
bihOut.biSizeImage = w*h*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;
|
|
vih->bmiHeader.biXPelsPerMeter = vih->bmiHeader.biWidth * ary;
|
|
vih->bmiHeader.biYPelsPerMeter = vih->bmiHeader.biHeight * arx;
|
|
}
|
|
else
|
|
{
|
|
pmt->formattype = FORMAT_VideoInfo2;
|
|
VIDEOINFOHEADER2* vih = (VIDEOINFOHEADER2*)pmt->AllocFormatBuffer(sizeof(VIDEOINFOHEADER2));
|
|
memset(vih, 0, sizeof(VIDEOINFOHEADER2));
|
|
vih->bmiHeader = bihOut;
|
|
vih->dwPictAspectRatioX = arx;
|
|
vih->dwPictAspectRatioY = ary;
|
|
if(IsVideoInterlaced()) vih->dwInterlaceFlags = AMINTERLACE_IsInterlaced;
|
|
}
|
|
|
|
CMediaType& mt = m_pInput->CurrentMediaType();
|
|
|
|
// these fields have the same field offset in all four structs
|
|
((VIDEOINFOHEADER*)pmt->Format())->AvgTimePerFrame = ((VIDEOINFOHEADER*)mt.Format())->AvgTimePerFrame;
|
|
((VIDEOINFOHEADER*)pmt->Format())->dwBitRate = ((VIDEOINFOHEADER*)mt.Format())->dwBitRate;
|
|
((VIDEOINFOHEADER*)pmt->Format())->dwBitErrorRate = ((VIDEOINFOHEADER*)mt.Format())->dwBitErrorRate;
|
|
|
|
CorrectMediaType(pmt);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT CBaseVideoFilter::SetMediaType(PIN_DIRECTION dir, const CMediaType* pmt)
|
|
{
|
|
if(dir == PINDIR_INPUT)
|
|
{
|
|
m_w = m_h = m_arx = m_ary = 0;
|
|
ExtractDim(pmt, m_w, m_h, m_arx, m_ary);
|
|
m_win = m_w;
|
|
m_hin = m_h;
|
|
m_arxin = m_arx;
|
|
m_aryin = m_ary;
|
|
GetOutputSize(m_w, m_h, m_arx, m_ary);
|
|
}
|
|
else if(dir == PINDIR_OUTPUT)
|
|
{
|
|
int wout = 0, hout = 0, arxout = 0, aryout = 0;
|
|
ExtractDim(pmt, wout, hout, arxout, aryout);
|
|
if(m_w == wout && m_h == hout && m_arx == arxout && m_ary == aryout)
|
|
{
|
|
m_wout = wout;
|
|
m_hout = hout;
|
|
m_arxout = arxout;
|
|
m_aryout = aryout;
|
|
}
|
|
}
|
|
|
|
return __super::SetMediaType(dir, pmt);
|
|
}
|
|
|
|
//
|
|
// CBaseVideoInputAllocator
|
|
//
|
|
|
|
CBaseVideoInputAllocator::CBaseVideoInputAllocator(HRESULT* phr)
|
|
: CMemAllocator(NAME("CBaseVideoInputAllocator"), NULL, phr)
|
|
{
|
|
if(phr) *phr = S_OK;
|
|
}
|
|
|
|
void CBaseVideoInputAllocator::SetMediaType(const CMediaType& mt)
|
|
{
|
|
m_mt = mt;
|
|
}
|
|
|
|
STDMETHODIMP CBaseVideoInputAllocator::GetBuffer(IMediaSample** ppBuffer, REFERENCE_TIME* pStartTime, REFERENCE_TIME* pEndTime, DWORD dwFlags)
|
|
{
|
|
if(!m_bCommitted)
|
|
return VFW_E_NOT_COMMITTED;
|
|
|
|
HRESULT hr = __super::GetBuffer(ppBuffer, pStartTime, pEndTime, dwFlags);
|
|
|
|
if(SUCCEEDED(hr) && m_mt.majortype != GUID_NULL)
|
|
{
|
|
(*ppBuffer)->SetMediaType(&m_mt);
|
|
m_mt.majortype = GUID_NULL;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
//
|
|
// CBaseVideoInputPin
|
|
//
|
|
|
|
CBaseVideoInputPin::CBaseVideoInputPin(TCHAR* pObjectName, CBaseVideoFilter* pFilter, HRESULT* phr, LPCWSTR pName)
|
|
: CTransformInputPin(pObjectName, pFilter, phr, pName)
|
|
, m_pAllocator(NULL)
|
|
{
|
|
}
|
|
|
|
CBaseVideoInputPin::~CBaseVideoInputPin()
|
|
{
|
|
delete m_pAllocator;
|
|
}
|
|
|
|
STDMETHODIMP CBaseVideoInputPin::GetAllocator(IMemAllocator** ppAllocator)
|
|
{
|
|
CheckPointer(ppAllocator, E_POINTER);
|
|
|
|
if(m_pAllocator == NULL)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
m_pAllocator = new CBaseVideoInputAllocator(&hr);
|
|
m_pAllocator->AddRef();
|
|
}
|
|
|
|
(*ppAllocator = m_pAllocator)->AddRef();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP CBaseVideoInputPin::ReceiveConnection(IPin* pConnector, const AM_MEDIA_TYPE* pmt)
|
|
{
|
|
CAutoLock cObjectLock(m_pLock);
|
|
|
|
if(m_Connected)
|
|
{
|
|
CMediaType mt(*pmt);
|
|
|
|
if(FAILED(CheckMediaType(&mt)))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
|
|
ALLOCATOR_PROPERTIES props, actual;
|
|
|
|
CComPtr<IMemAllocator> pMemAllocator;
|
|
if(FAILED(GetAllocator(&pMemAllocator))
|
|
|| FAILED(pMemAllocator->Decommit())
|
|
|| FAILED(pMemAllocator->GetProperties(&props)))
|
|
return E_FAIL;
|
|
|
|
BITMAPINFOHEADER bih;
|
|
if(ExtractBIH(pmt, &bih) && bih.biSizeImage)
|
|
props.cbBuffer = bih.biSizeImage;
|
|
|
|
if(FAILED(pMemAllocator->SetProperties(&props, &actual))
|
|
|| FAILED(pMemAllocator->Commit())
|
|
|| props.cbBuffer != actual.cbBuffer)
|
|
return E_FAIL;
|
|
|
|
if(m_pAllocator)
|
|
m_pAllocator->SetMediaType(mt);
|
|
|
|
return SetMediaType(&mt) == S_OK
|
|
? S_OK
|
|
: VFW_E_TYPE_NOT_ACCEPTED;
|
|
}
|
|
|
|
return __super::ReceiveConnection(pConnector, pmt);
|
|
}
|
|
|
|
//
|
|
// CBaseVideoOutputPin
|
|
//
|
|
|
|
CBaseVideoOutputPin::CBaseVideoOutputPin(TCHAR* pObjectName, CBaseVideoFilter* pFilter, HRESULT* phr, LPCWSTR pName)
|
|
: CTransformOutputPin(pObjectName, pFilter, phr, pName)
|
|
{
|
|
}
|
|
|
|
HRESULT CBaseVideoOutputPin::CheckMediaType(const CMediaType* mtOut)
|
|
{
|
|
if(IsConnected())
|
|
{
|
|
HRESULT hr = ((CBaseVideoFilter*)m_pFilter)->CheckOutputType(*mtOut);
|
|
if(FAILED(hr)) return hr;
|
|
}
|
|
|
|
return __super::CheckMediaType(mtOut);
|
|
}
|