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519 lines
14 KiB
C
519 lines
14 KiB
C
/*
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* Copyright 2002-2003 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 "vfw.h"
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#include "avifile_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(avifile);
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#ifndef DIBPTR
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#define DIBPTR(lp) ((LPBYTE)(lp) + (lp)->biSize + \
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(lp)->biClrUsed * sizeof(RGBQUAD))
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#endif
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/***********************************************************************/
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static HRESULT WINAPI IGetFrame_fnQueryInterface(IGetFrame *iface,
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REFIID refiid, LPVOID *obj);
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static ULONG WINAPI IGetFrame_fnAddRef(IGetFrame *iface);
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static ULONG WINAPI IGetFrame_fnRelease(IGetFrame *iface);
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static LPVOID WINAPI IGetFrame_fnGetFrame(IGetFrame *iface, LONG lPos);
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static HRESULT WINAPI IGetFrame_fnBegin(IGetFrame *iface, LONG lStart,
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LONG lEnd, LONG lRate);
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static HRESULT WINAPI IGetFrame_fnEnd(IGetFrame *iface);
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static HRESULT WINAPI IGetFrame_fnSetFormat(IGetFrame *iface,
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LPBITMAPINFOHEADER lpbi,
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LPVOID lpBits, INT x, INT y,
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INT dx, INT dy);
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static const struct IGetFrameVtbl igetframeVtbl = {
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IGetFrame_fnQueryInterface,
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IGetFrame_fnAddRef,
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IGetFrame_fnRelease,
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IGetFrame_fnGetFrame,
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IGetFrame_fnBegin,
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IGetFrame_fnEnd,
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IGetFrame_fnSetFormat
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};
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typedef struct _IGetFrameImpl {
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/* IUnknown stuff */
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const IGetFrameVtbl *lpVtbl;
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LONG ref;
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/* IGetFrame stuff */
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BOOL bFixedStream;
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PAVISTREAM pStream;
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LPVOID lpInBuffer;
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LONG cbInBuffer;
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LPBITMAPINFOHEADER lpInFormat;
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LONG cbInFormat;
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LONG lCurrentFrame;
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LPBITMAPINFOHEADER lpOutFormat;
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LPVOID lpOutBuffer;
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HIC hic;
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BOOL bResize;
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DWORD x;
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DWORD y;
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DWORD dx;
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DWORD dy;
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BOOL bFormatChanges;
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DWORD dwFormatChangeCount;
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DWORD dwEditCount;
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} IGetFrameImpl;
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/***********************************************************************/
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static void AVIFILE_CloseCompressor(IGetFrameImpl *This)
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{
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if (This->lpInFormat != This->lpOutFormat) {
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HeapFree(GetProcessHeap(), 0, This->lpOutFormat);
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This->lpOutFormat = NULL;
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}
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HeapFree(GetProcessHeap(), 0, This->lpInFormat);
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This->lpInFormat = NULL;
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if (This->hic != NULL) {
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if (This->bResize)
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ICDecompressExEnd(This->hic);
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else
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ICDecompressEnd(This->hic);
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ICClose(This->hic);
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This->hic = NULL;
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}
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}
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PGETFRAME AVIFILE_CreateGetFrame(PAVISTREAM pStream)
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{
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IGetFrameImpl *pg;
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/* check parameter */
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if (pStream == NULL)
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return NULL;
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pg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IGetFrameImpl));
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if (pg != NULL) {
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pg->lpVtbl = &igetframeVtbl;
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pg->ref = 1;
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pg->lCurrentFrame = -1;
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pg->pStream = pStream;
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IAVIStream_AddRef(pStream);
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}
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return (PGETFRAME)pg;
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}
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static HRESULT WINAPI IGetFrame_fnQueryInterface(IGetFrame *iface,
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REFIID refiid, LPVOID *obj)
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{
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IGetFrameImpl *This = (IGetFrameImpl *)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_IGetFrame, refiid)) {
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*obj = 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 IGetFrame_fnAddRef(IGetFrame *iface)
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{
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IGetFrameImpl *This = (IGetFrameImpl *)iface;
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)\n", iface);
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return ref;
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}
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static ULONG WINAPI IGetFrame_fnRelease(IGetFrame *iface)
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{
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IGetFrameImpl *This = (IGetFrameImpl *)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)\n", iface);
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if (!ref) {
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AVIFILE_CloseCompressor(This);
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if (This->pStream != NULL) {
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IAVIStream_Release(This->pStream);
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This->pStream = NULL;
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}
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HeapFree(GetProcessHeap(), 0, iface);
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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 LPVOID WINAPI IGetFrame_fnGetFrame(IGetFrame *iface, LONG lPos)
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{
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IGetFrameImpl *This = (IGetFrameImpl *)iface;
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LONG readBytes;
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LONG readSamples;
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TRACE("(%p,%d)\n", iface, lPos);
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/* We don't want negative start values! -- marks invalid buffer content */
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if (lPos < 0)
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return NULL;
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/* check state */
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if (This->pStream == NULL)
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return NULL;
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if (This->lpInFormat == NULL)
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return NULL;
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/* Could stream have changed? */
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if (! This->bFixedStream) {
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AVISTREAMINFOW sInfo;
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IAVIStream_Info(This->pStream, &sInfo, sizeof(sInfo));
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if (sInfo.dwEditCount != This->dwEditCount) {
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This->dwEditCount = sInfo.dwEditCount;
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This->lCurrentFrame = -1;
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}
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if (sInfo.dwFormatChangeCount != This->dwFormatChangeCount) {
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/* stream has changed */
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if (This->lpOutFormat != NULL) {
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BITMAPINFOHEADER bi;
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bi = *This->lpOutFormat;
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AVIFILE_CloseCompressor(This);
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if (FAILED(IGetFrame_SetFormat(iface, &bi, NULL, 0, 0, -1, -1))) {
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if (FAILED(IGetFrame_SetFormat(iface, NULL, NULL, 0, 0, -1, -1)))
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return NULL;
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}
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} else if (FAILED(IGetFrame_SetFormat(iface, NULL, NULL, 0, 0, -1, -1)))
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return NULL;
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}
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}
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if (lPos != This->lCurrentFrame) {
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LONG lNext = IAVIStream_FindSample(This->pStream,lPos,FIND_KEY|FIND_PREV);
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if (lNext == -1)
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return NULL; /* frame doesn't exist */
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if (lNext <= This->lCurrentFrame && This->lCurrentFrame < lPos)
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lNext = This->lCurrentFrame + 1;
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for (; lNext <= lPos; lNext++) {
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/* new format for this frame? */
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if (This->bFormatChanges) {
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IAVIStream_ReadFormat(This->pStream, lNext,
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This->lpInFormat, &This->cbInFormat);
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if (This->lpOutFormat != NULL) {
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if (This->lpOutFormat->biBitCount <= 8)
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ICDecompressGetPalette(This->hic, This->lpInFormat,
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This->lpOutFormat);
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}
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}
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/* read input frame */
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while (FAILED(AVIStreamRead(This->pStream, lNext, 1, This->lpInBuffer,
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This->cbInBuffer, &readBytes, &readSamples))) {
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/* not enough memory for input buffer? */
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readBytes = 0;
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if (FAILED(AVIStreamSampleSize(This->pStream, lNext, &readBytes)))
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return NULL; /* bad thing, but bad things will happen */
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if (readBytes <= 0) {
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ERR(": IAVIStream::REad doesn't return needed bytes!\n");
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return NULL;
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}
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/* IAVIStream::Read failed because of other reasons not buffersize? */
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if (This->cbInBuffer >= readBytes)
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break;
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This->cbInBuffer = This->cbInFormat + readBytes;
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This->lpInFormat = HeapReAlloc(GetProcessHeap(), 0, This->lpInFormat, This->cbInBuffer);
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if (This->lpInFormat == NULL)
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return NULL; /* out of memory */
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This->lpInBuffer = (BYTE*)This->lpInFormat + This->cbInFormat;
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}
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if (readSamples != 1) {
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ERR(": no frames read\n");
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return NULL;
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}
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if (readBytes != 0) {
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This->lpInFormat->biSizeImage = readBytes;
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/* nothing to decompress? */
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if (This->hic == NULL) {
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This->lCurrentFrame = lPos;
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return This->lpInFormat;
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}
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if (This->bResize) {
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ICDecompressEx(This->hic,0,This->lpInFormat,This->lpInBuffer,0,0,
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This->lpInFormat->biWidth,This->lpInFormat->biHeight,
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This->lpOutFormat,This->lpOutBuffer,This->x,This->y,
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This->dx,This->dy);
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} else {
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ICDecompress(This->hic, 0, This->lpInFormat, This->lpInBuffer,
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This->lpOutFormat, This->lpOutBuffer);
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}
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}
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} /* for (lNext < lPos) */
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} /* if (This->lCurrentFrame != lPos) */
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return (This->hic == NULL ? This->lpInFormat : This->lpOutFormat);
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}
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static HRESULT WINAPI IGetFrame_fnBegin(IGetFrame *iface, LONG lStart,
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LONG lEnd, LONG lRate)
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{
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IGetFrameImpl *This = (IGetFrameImpl *)iface;
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TRACE("(%p,%d,%d,%d)\n", iface, lStart, lEnd, lRate);
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This->bFixedStream = TRUE;
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return (IGetFrame_GetFrame(iface, lStart) ? AVIERR_OK : AVIERR_ERROR);
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}
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static HRESULT WINAPI IGetFrame_fnEnd(IGetFrame *iface)
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{
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IGetFrameImpl *This = (IGetFrameImpl *)iface;
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TRACE("(%p)\n", iface);
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This->bFixedStream = FALSE;
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return AVIERR_OK;
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}
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static HRESULT WINAPI IGetFrame_fnSetFormat(IGetFrame *iface,
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LPBITMAPINFOHEADER lpbiWanted,
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LPVOID lpBits, INT x, INT y,
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INT dx, INT dy)
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{
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IGetFrameImpl *This = (IGetFrameImpl *)iface;
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AVISTREAMINFOW sInfo;
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LPBITMAPINFOHEADER lpbi = lpbiWanted;
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BOOL bBestDisplay = FALSE;
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TRACE("(%p,%p,%p,%d,%d,%d,%d)\n", iface, lpbiWanted, lpBits,
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x, y, dx, dy);
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if (This->pStream == NULL)
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return AVIERR_ERROR;
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if (lpbiWanted == (LPBITMAPINFOHEADER)AVIGETFRAMEF_BESTDISPLAYFMT) {
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lpbi = NULL;
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bBestDisplay = TRUE;
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}
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IAVIStream_Info(This->pStream, &sInfo, sizeof(sInfo));
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if (sInfo.fccType != streamtypeVIDEO)
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return AVIERR_UNSUPPORTED;
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This->bFormatChanges =
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(sInfo.dwFlags & AVISTREAMINFO_FORMATCHANGES ? TRUE : FALSE );
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This->dwFormatChangeCount = sInfo.dwFormatChangeCount;
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This->dwEditCount = sInfo.dwEditCount;
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This->lCurrentFrame = -1;
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/* get input format from stream */
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if (This->lpInFormat == NULL) {
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HRESULT hr;
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This->cbInBuffer = (LONG)sInfo.dwSuggestedBufferSize;
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if (This->cbInBuffer == 0)
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This->cbInBuffer = 1024;
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IAVIStream_ReadFormat(This->pStream, sInfo.dwStart,
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NULL, &This->cbInFormat);
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This->lpInFormat = HeapAlloc(GetProcessHeap(), 0, This->cbInFormat + This->cbInBuffer);
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if (This->lpInFormat == NULL) {
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AVIFILE_CloseCompressor(This);
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return AVIERR_MEMORY;
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}
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hr = IAVIStream_ReadFormat(This->pStream, sInfo.dwStart, This->lpInFormat, &This->cbInFormat);
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if (FAILED(hr)) {
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AVIFILE_CloseCompressor(This);
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return hr;
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}
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This->lpInBuffer = ((LPBYTE)This->lpInFormat) + This->cbInFormat;
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}
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/* check input format */
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if (This->lpInFormat->biClrUsed == 0 && This->lpInFormat->biBitCount <= 8)
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This->lpInFormat->biClrUsed = 1u << This->lpInFormat->biBitCount;
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if (This->lpInFormat->biSizeImage == 0 &&
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This->lpInFormat->biCompression == BI_RGB) {
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This->lpInFormat->biSizeImage =
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DIBWIDTHBYTES(*This->lpInFormat) * This->lpInFormat->biHeight;
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}
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/* only to pass through? */
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if (This->lpInFormat->biCompression == BI_RGB && lpBits == NULL) {
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if (lpbi == NULL ||
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(lpbi->biCompression == BI_RGB &&
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lpbi->biWidth == This->lpInFormat->biWidth &&
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lpbi->biHeight == This->lpInFormat->biHeight &&
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lpbi->biBitCount == This->lpInFormat->biBitCount)) {
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This->lpOutFormat = This->lpInFormat;
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This->lpOutBuffer = DIBPTR(This->lpInFormat);
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return AVIERR_OK;
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}
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}
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/* need memory for output format? */
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if (This->lpOutFormat == NULL) {
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This->lpOutFormat =
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HeapAlloc(GetProcessHeap(), 0, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
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if (This->lpOutFormat == NULL) {
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AVIFILE_CloseCompressor(This);
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return AVIERR_MEMORY;
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}
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}
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/* need handle to video compressor */
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if (This->hic == NULL) {
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FOURCC fccHandler;
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if (This->lpInFormat->biCompression == BI_RGB)
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fccHandler = comptypeDIB;
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else if (This->lpInFormat->biCompression == BI_RLE8)
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fccHandler = mmioFOURCC('R','L','E',' ');
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else
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fccHandler = sInfo.fccHandler;
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if (lpbi != NULL) {
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if (lpbi->biWidth == 0)
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lpbi->biWidth = This->lpInFormat->biWidth;
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if (lpbi->biHeight == 0)
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lpbi->biHeight = This->lpInFormat->biHeight;
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}
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This->hic = ICLocate(ICTYPE_VIDEO, fccHandler, This->lpInFormat, lpbi, ICMODE_DECOMPRESS);
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if (This->hic == NULL) {
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AVIFILE_CloseCompressor(This);
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return AVIERR_NOCOMPRESSOR;
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}
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}
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/* output format given? */
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if (lpbi != NULL) {
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/* check the given output format ... */
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if (lpbi->biClrUsed == 0 && lpbi->biBitCount <= 8)
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lpbi->biClrUsed = 1u << lpbi->biBitCount;
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/* ... and remember it */
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memcpy(This->lpOutFormat, lpbi,
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lpbi->biSize + lpbi->biClrUsed * sizeof(RGBQUAD));
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if (lpbi->biBitCount <= 8)
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ICDecompressGetPalette(This->hic, This->lpInFormat, This->lpOutFormat);
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return AVIERR_OK;
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} else {
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if (bBestDisplay) {
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ICGetDisplayFormat(This->hic, This->lpInFormat,
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This->lpOutFormat, 0, dx, dy);
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} else if (ICDecompressGetFormat(This->hic, This->lpInFormat,
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This->lpOutFormat) < 0) {
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AVIFILE_CloseCompressor(This);
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return AVIERR_NOCOMPRESSOR;
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}
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/* check output format */
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if (This->lpOutFormat->biClrUsed == 0 &&
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This->lpOutFormat->biBitCount <= 8)
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This->lpOutFormat->biClrUsed = 1u << This->lpOutFormat->biBitCount;
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if (This->lpOutFormat->biSizeImage == 0 &&
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This->lpOutFormat->biCompression == BI_RGB) {
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This->lpOutFormat->biSizeImage =
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DIBWIDTHBYTES(*This->lpOutFormat) * This->lpOutFormat->biHeight;
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}
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if (lpBits == NULL) {
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register DWORD size = This->lpOutFormat->biClrUsed * sizeof(RGBQUAD);
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size += This->lpOutFormat->biSize + This->lpOutFormat->biSizeImage;
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This->lpOutFormat = HeapReAlloc(GetProcessHeap(), 0, This->lpOutFormat, size);
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if (This->lpOutFormat == NULL) {
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AVIFILE_CloseCompressor(This);
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return AVIERR_MEMORY;
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}
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This->lpOutBuffer = DIBPTR(This->lpOutFormat);
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} else
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This->lpOutBuffer = lpBits;
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/* for user size was irrelevant */
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if (dx == -1)
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dx = This->lpOutFormat->biWidth;
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if (dy == -1)
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dy = This->lpOutFormat->biHeight;
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/* need to resize? */
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if (x != 0 || y != 0) {
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if (dy == This->lpOutFormat->biHeight &&
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dx == This->lpOutFormat->biWidth)
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This->bResize = FALSE;
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else
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This->bResize = TRUE;
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}
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if (This->bResize) {
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This->x = x;
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This->y = y;
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This->dx = dx;
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This->dy = dy;
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if (ICDecompressExBegin(This->hic,0,This->lpInFormat,This->lpInBuffer,0,
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0,This->lpInFormat->biWidth,
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This->lpInFormat->biHeight,This->lpOutFormat,
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This->lpOutBuffer, x, y, dx, dy) == ICERR_OK)
|
|
return AVIERR_OK;
|
|
} else if (ICDecompressBegin(This->hic, This->lpInFormat,
|
|
This->lpOutFormat) == ICERR_OK)
|
|
return AVIERR_OK;
|
|
|
|
AVIFILE_CloseCompressor(This);
|
|
|
|
return AVIERR_COMPRESSOR;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************/
|