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https://github.com/reactos/wine.git
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279 lines
6.8 KiB
C
279 lines
6.8 KiB
C
/*
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* Copyright 2003 Michael Günnewig
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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 <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "vfw.h"
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#include "avifile_private.h"
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#include "extrachunk.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(avifile);
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/***********************************************************************/
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typedef struct _ITmpFileImpl {
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IAVIFile IAVIFile_iface;
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LONG ref;
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AVIFILEINFOW fInfo;
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PAVISTREAM *ppStreams;
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} ITmpFileImpl;
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static inline ITmpFileImpl *impl_from_IAVIFile(IAVIFile *iface)
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{
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return CONTAINING_RECORD(iface, ITmpFileImpl, IAVIFile_iface);
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}
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static HRESULT WINAPI ITmpFile_fnQueryInterface(IAVIFile *iface, REFIID refiid,
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LPVOID *obj)
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{
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ITmpFileImpl *This = impl_from_IAVIFile(iface);
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TRACE("(%p,%s,%p)\n", This, debugstr_guid(refiid), obj);
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if (IsEqualGUID(&IID_IUnknown, refiid) ||
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IsEqualGUID(&IID_IAVIFile, refiid)) {
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*obj = iface;
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IAVIFile_AddRef(iface);
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return S_OK;
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}
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return OLE_E_ENUM_NOMORE;
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}
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static ULONG WINAPI ITmpFile_fnAddRef(IAVIFile *iface)
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{
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ITmpFileImpl *This = impl_from_IAVIFile(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) -> %d\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI ITmpFile_fnRelease(IAVIFile *iface)
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{
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ITmpFileImpl *This = impl_from_IAVIFile(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) -> %d\n", iface, ref);
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if (!ref) {
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unsigned int i;
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for (i = 0; i < This->fInfo.dwStreams; i++) {
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if (This->ppStreams[i] != NULL) {
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AVIStreamRelease(This->ppStreams[i]);
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This->ppStreams[i] = NULL;
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}
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}
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HeapFree(GetProcessHeap(), 0, This);
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return 0;
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}
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return ref;
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}
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static HRESULT WINAPI ITmpFile_fnInfo(IAVIFile *iface,
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AVIFILEINFOW *afi, LONG size)
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{
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ITmpFileImpl *This = impl_from_IAVIFile(iface);
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TRACE("(%p,%p,%d)\n",iface,afi,size);
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if (afi == NULL)
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return AVIERR_BADPARAM;
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if (size < 0)
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return AVIERR_BADSIZE;
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memcpy(afi, &This->fInfo, min((DWORD)size, sizeof(This->fInfo)));
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if ((DWORD)size < sizeof(This->fInfo))
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return AVIERR_BUFFERTOOSMALL;
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return AVIERR_OK;
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}
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static HRESULT WINAPI ITmpFile_fnGetStream(IAVIFile *iface, PAVISTREAM *avis,
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DWORD fccType, LONG lParam)
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{
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ITmpFileImpl *This = impl_from_IAVIFile(iface);
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ULONG nStream = (ULONG)-1;
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TRACE("(%p,%p,0x%08X,%d)\n", iface, avis, fccType, lParam);
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if (avis == NULL || lParam < 0)
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return AVIERR_BADPARAM;
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if (fccType != streamtypeANY) {
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/* search the number of the specified stream */
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ULONG i;
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for (i = 0; i < This->fInfo.dwStreams; i++) {
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AVISTREAMINFOW sInfo;
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HRESULT hr;
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hr = AVIStreamInfoW(This->ppStreams[i], &sInfo, sizeof(sInfo));
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if (FAILED(hr))
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return hr;
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if (sInfo.fccType == fccType) {
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if (lParam == 0) {
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nStream = i;
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break;
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} else
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lParam--;
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}
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}
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} else
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nStream = lParam;
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/* Does the requested stream exist ? */
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if (nStream < This->fInfo.dwStreams && This->ppStreams[nStream] != NULL) {
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*avis = This->ppStreams[nStream];
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AVIStreamAddRef(*avis);
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return AVIERR_OK;
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}
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/* Sorry, but the specified stream doesn't exist */
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return AVIERR_NODATA;
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}
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static HRESULT WINAPI ITmpFile_fnCreateStream(IAVIFile *iface,PAVISTREAM *avis,
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AVISTREAMINFOW *asi)
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{
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TRACE("(%p,%p,%p)\n",iface,avis,asi);
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return AVIERR_UNSUPPORTED;
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}
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static HRESULT WINAPI ITmpFile_fnWriteData(IAVIFile *iface, DWORD ckid,
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LPVOID lpData, LONG size)
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{
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TRACE("(%p,0x%08X,%p,%d)\n", iface, ckid, lpData, size);
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return AVIERR_UNSUPPORTED;
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}
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static HRESULT WINAPI ITmpFile_fnReadData(IAVIFile *iface, DWORD ckid,
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LPVOID lpData, LONG *size)
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{
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TRACE("(%p,0x%08X,%p,%p)\n", iface, ckid, lpData, size);
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return AVIERR_UNSUPPORTED;
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}
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static HRESULT WINAPI ITmpFile_fnEndRecord(IAVIFile *iface)
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{
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TRACE("(%p)\n",iface);
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return AVIERR_OK;
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}
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static HRESULT WINAPI ITmpFile_fnDeleteStream(IAVIFile *iface, DWORD fccType,
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LONG lParam)
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{
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TRACE("(%p,0x%08X,%d)\n", iface, fccType, lParam);
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return AVIERR_UNSUPPORTED;
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}
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static const struct IAVIFileVtbl itmpft = {
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ITmpFile_fnQueryInterface,
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ITmpFile_fnAddRef,
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ITmpFile_fnRelease,
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ITmpFile_fnInfo,
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ITmpFile_fnGetStream,
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ITmpFile_fnCreateStream,
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ITmpFile_fnWriteData,
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ITmpFile_fnReadData,
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ITmpFile_fnEndRecord,
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ITmpFile_fnDeleteStream
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};
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PAVIFILE AVIFILE_CreateAVITempFile(int nStreams, const PAVISTREAM *ppStreams)
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{
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ITmpFileImpl *tmpFile;
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int i;
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tmpFile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ITmpFileImpl));
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if (tmpFile == NULL)
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return NULL;
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tmpFile->IAVIFile_iface.lpVtbl = &itmpft;
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tmpFile->ref = 1;
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memset(&tmpFile->fInfo, 0, sizeof(tmpFile->fInfo));
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tmpFile->fInfo.dwStreams = nStreams;
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tmpFile->ppStreams = HeapAlloc(GetProcessHeap(), 0, nStreams * sizeof(PAVISTREAM));
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if (tmpFile->ppStreams == NULL) {
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HeapFree(GetProcessHeap(), 0, tmpFile);
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return NULL;
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}
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for (i = 0; i < nStreams; i++) {
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AVISTREAMINFOW sInfo;
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tmpFile->ppStreams[i] = ppStreams[i];
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AVIStreamAddRef(ppStreams[i]);
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AVIStreamInfoW(ppStreams[i], &sInfo, sizeof(sInfo));
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if (i == 0) {
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tmpFile->fInfo.dwScale = sInfo.dwScale;
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tmpFile->fInfo.dwRate = sInfo.dwRate;
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if (!sInfo.dwScale || !sInfo.dwRate) {
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tmpFile->fInfo.dwScale = 1;
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tmpFile->fInfo.dwRate = 100;
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}
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}
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if (tmpFile->fInfo.dwSuggestedBufferSize < sInfo.dwSuggestedBufferSize)
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tmpFile->fInfo.dwSuggestedBufferSize = sInfo.dwSuggestedBufferSize;
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{
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DWORD tmp;
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tmp = MulDiv(AVIStreamSampleToTime(ppStreams[i], sInfo.dwLength),
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tmpFile->fInfo.dwScale, tmpFile->fInfo.dwRate * 1000);
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if (tmpFile->fInfo.dwLength < tmp)
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tmpFile->fInfo.dwLength = tmp;
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tmp = sInfo.rcFrame.right - sInfo.rcFrame.left;
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if (tmpFile->fInfo.dwWidth < tmp)
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tmpFile->fInfo.dwWidth = tmp;
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tmp = sInfo.rcFrame.bottom - sInfo.rcFrame.top;
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if (tmpFile->fInfo.dwHeight < tmp)
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tmpFile->fInfo.dwHeight = tmp;
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}
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}
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return (PAVIFILE)tmpFile;
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}
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