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304 lines
8.7 KiB
C
304 lines
8.7 KiB
C
/*
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* AVI Decompressor (VFW decompressors wrapper)
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*
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* Copyright 2004-2005 Christian Costa
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "quartz_private.h"
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#include "pin.h"
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#include "uuids.h"
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#include "vfwmsgs.h"
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#include "amvideo.h"
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#include "windef.h"
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#include "winbase.h"
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#include "dshow.h"
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#include "strmif.h"
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#include "vfwmsgs.h"
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#include "vfw.h"
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#include <assert.h>
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#include "wine/unicode.h"
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#include "wine/debug.h"
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#include "transform.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter);
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typedef struct AVIDecImpl
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{
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TransformFilterImpl tf;
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HIC hvid;
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BITMAPINFOHEADER* pBihIn;
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BITMAPINFOHEADER* pBihOut;
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} AVIDecImpl;
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static HRESULT AVIDec_ProcessBegin(TransformFilterImpl* pTransformFilter)
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{
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AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
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DWORD result;
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TRACE("(%p)->()\n", This);
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result = ICDecompressBegin(This->hvid, This->pBihIn, This->pBihOut);
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if (result != ICERR_OK)
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{
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ERR("Cannot start processing (%d)\n", result);
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return E_FAIL;
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}
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return S_OK;
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}
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static HRESULT AVIDec_ProcessSampleData(TransformFilterImpl* pTransformFilter, IMediaSample *pSample)
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{
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AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
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VIDEOINFOHEADER* format;
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AM_MEDIA_TYPE amt;
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HRESULT hr;
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DWORD res;
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IMediaSample* pOutSample = NULL;
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DWORD cbDstStream;
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LPBYTE pbDstStream;
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DWORD cbSrcStream;
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LPBYTE pbSrcStream;
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hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
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if (FAILED(hr))
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{
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ERR("Cannot get pointer to sample data (%x)\n", hr);
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return hr;
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}
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cbSrcStream = IMediaSample_GetActualDataLength(pSample);
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TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, (long)cbSrcStream);
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hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
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if (FAILED(hr)) {
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ERR("Unable to retrieve media type\n");
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goto error;
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}
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format = (VIDEOINFOHEADER*)amt.pbFormat;
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/* Update input size to match sample size */
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This->pBihIn->biSizeImage = cbSrcStream;
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hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
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if (FAILED(hr)) {
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ERR("Unable to get delivery buffer (%x)\n", hr);
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goto error;
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}
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hr = IMediaSample_SetActualDataLength(pOutSample, 0);
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assert(hr == S_OK);
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hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
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if (FAILED(hr)) {
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ERR("Unable to get pointer to buffer (%x)\n", hr);
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goto error;
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}
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cbDstStream = IMediaSample_GetSize(pOutSample);
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if (cbDstStream < This->pBihOut->biSizeImage) {
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ERR("Sample size is too small %d < %d\n", cbDstStream, This->pBihOut->biSizeImage);
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hr = E_FAIL;
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goto error;
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}
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res = ICDecompress(This->hvid, 0, This->pBihIn, pbSrcStream, This->pBihOut, pbDstStream);
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if (res != ICERR_OK)
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ERR("Error occurred during the decompression (%x)\n", res);
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hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pOutSample);
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if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
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ERR("Error sending sample (%x)\n", hr);
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goto error;
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}
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error:
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if (pOutSample)
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IMediaSample_Release(pOutSample);
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return hr;
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}
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static HRESULT AVIDec_ProcessEnd(TransformFilterImpl* pTransformFilter)
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{
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AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
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DWORD result;
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TRACE("(%p)->()\n", This);
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result = ICDecompressEnd(This->hvid);
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if (result != ICERR_OK)
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{
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ERR("Cannot stop processing (%d)\n", result);
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return E_FAIL;
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}
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return S_OK;
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}
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static HRESULT AVIDec_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt)
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{
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AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
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HRESULT hr = S_FALSE;
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TRACE("(%p)->(%p)\n", This, pmt);
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AVIDec_Cleanup(pTransformFilter);
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/* Check root (GUID w/o FOURCC) */
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if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) &&
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(!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Video)+4, sizeof(GUID)-4)) &&
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(IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo)))
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{
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VIDEOINFOHEADER* format = (VIDEOINFOHEADER*)pmt->pbFormat;
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This->hvid = ICLocate(pmt->majortype.Data1, pmt->subtype.Data1, &format->bmiHeader, NULL, ICMODE_DECOMPRESS);
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if (This->hvid)
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{
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AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent;
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const CLSID* outsubtype;
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DWORD bih_size;
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DWORD output_depth = format->bmiHeader.biBitCount;
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DWORD result;
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switch(format->bmiHeader.biBitCount)
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{
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case 32: outsubtype = &MEDIASUBTYPE_RGB32; break;
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case 24: outsubtype = &MEDIASUBTYPE_RGB24; break;
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case 16: outsubtype = &MEDIASUBTYPE_RGB565; break;
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case 8: outsubtype = &MEDIASUBTYPE_RGB8; break;
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default:
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TRACE("Non standard input depth %d, forced ouptut depth to 32\n", format->bmiHeader.biBitCount);
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outsubtype = &MEDIASUBTYPE_RGB32;
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output_depth = 32;
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break;
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}
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/* Copy bitmap header from media type to 1 for input and 1 for output */
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bih_size = format->bmiHeader.biSize + format->bmiHeader.biClrUsed * 4;
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This->pBihIn = (BITMAPINFOHEADER*)CoTaskMemAlloc(bih_size);
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if (!This->pBihIn)
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{
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hr = E_OUTOFMEMORY;
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goto failed;
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}
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This->pBihOut = (BITMAPINFOHEADER*)CoTaskMemAlloc(bih_size);
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if (!This->pBihOut)
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{
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hr = E_OUTOFMEMORY;
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goto failed;
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}
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memcpy(This->pBihIn, &format->bmiHeader, bih_size);
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memcpy(This->pBihOut, &format->bmiHeader, bih_size);
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/* Update output format as non compressed bitmap */
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This->pBihOut->biCompression = 0;
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This->pBihOut->biBitCount = output_depth;
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This->pBihOut->biSizeImage = This->pBihOut->biWidth * This->pBihOut->biHeight * This->pBihOut->biBitCount / 8;
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result = ICDecompressQuery(This->hvid, This->pBihIn, This->pBihOut);
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if (result != ICERR_OK)
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{
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TRACE("Unable to found a suitable output format (%d)\n", result);
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goto failed;
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}
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/* Update output media type */
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CopyMediaType(outpmt, pmt);
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outpmt->subtype = *outsubtype;
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memcpy(&(((VIDEOINFOHEADER*)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
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/* Update buffer size of media samples in output */
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((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = This->pBihOut->biSizeImage;
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TRACE("Connection accepted\n");
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return S_OK;
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}
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TRACE("Unable to find a suitable VFW decompressor\n");
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}
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failed:
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AVIDec_Cleanup(pTransformFilter);
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TRACE("Connection refused\n");
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return hr;
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}
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static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter)
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{
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AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
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TRACE("(%p)->()\n", This);
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if (This->hvid)
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ICClose(This->hvid);
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if (This->pBihIn)
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CoTaskMemFree(This->pBihIn);
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if (This->pBihOut)
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CoTaskMemFree(This->pBihOut);
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This->hvid = NULL;
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This->pBihIn = NULL;
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This->pBihOut = NULL;
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return S_OK;
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}
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static const TransformFuncsTable AVIDec_FuncsTable = {
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AVIDec_ProcessBegin,
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AVIDec_ProcessSampleData,
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AVIDec_ProcessEnd,
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NULL,
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AVIDec_ConnectInput,
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AVIDec_Cleanup
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};
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HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv)
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{
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HRESULT hr;
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AVIDecImpl * This;
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TRACE("(%p, %p)\n", pUnkOuter, ppv);
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*ppv = NULL;
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if (pUnkOuter)
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return CLASS_E_NOAGGREGATION;
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/* Note: This memory is managed by the transform filter once created */
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This = CoTaskMemAlloc(sizeof(AVIDecImpl));
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This->hvid = NULL;
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This->pBihIn = NULL;
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This->pBihOut = NULL;
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hr = TransformFilter_Create(&(This->tf), &CLSID_AVIDec, &AVIDec_FuncsTable);
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if (FAILED(hr))
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return hr;
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*ppv = (LPVOID)This;
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return hr;
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}
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