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avifil32: Avoid not necessary zeroing out of an allocated memory block.

This commit is contained in:
Dmitry Timoshkov 2006-04-12 19:32:22 +09:00 committed by Alexandre Julliard
parent e0c8773199
commit 14aab5f3cb
5 changed files with 17 additions and 16 deletions
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2
dlls/avifil32/acmstream.c
View File

@ -712,7 +712,7 @@ static HRESULT AVIFILE_OpenCompressor(IAVIStreamImpl *This)
if (This->lpOutFormat == NULL) {
/* we must decode to default format */
This->cbOutFormat = sizeof(PCMWAVEFORMAT);
This->lpOutFormat = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->cbOutFormat);
This->lpOutFormat = HeapAlloc(GetProcessHeap(), 0, This->cbOutFormat);
if (This->lpOutFormat == NULL)
return AVIERR_MEMORY;

15
dlls/avifil32/api.c
View File

@ -1273,7 +1273,7 @@ static BOOL AVISaveOptionsFmtChoose(HWND hWnd)
sInfo.dwStart, &size);
if (size < (LONG)sizeof(PCMWAVEFORMAT))
size = sizeof(PCMWAVEFORMAT);
afmtc.pwfxEnum = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
afmtc.pwfxEnum = HeapAlloc(GetProcessHeap(), 0, size);
if (afmtc.pwfxEnum != NULL) {
AVIStreamReadFormat(SaveOpts.ppavis[SaveOpts.nCurrent],
sInfo.dwStart, afmtc.pwfxEnum, &size);
@ -1318,7 +1318,7 @@ static void AVISaveOptionsUpdate(HWND hWnd)
szFormat[0] = 0;
/* read format to build format description string */
lpFormat = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
lpFormat = HeapAlloc(GetProcessHeap(), 0, size);
if (lpFormat != NULL) {
if (SUCCEEDED(AVIStreamReadFormat(SaveOpts.ppavis[SaveOpts.nCurrent],sInfo.dwStart,lpFormat, &size))) {
if (sInfo.fccType == streamtypeVIDEO) {
@ -1481,7 +1481,7 @@ BOOL WINAPI AVISaveOptions(HWND hWnd, UINT uFlags, INT nStreams,
/* save options in case the user presses cancel */
if (ppOptions != NULL && nStreams > 1) {
pSavedOptions = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nStreams * sizeof(AVICOMPRESSOPTIONS));
pSavedOptions = HeapAlloc(GetProcessHeap(), 0, nStreams * sizeof(AVICOMPRESSOPTIONS));
if (pSavedOptions == NULL)
return FALSE;
@ -1719,7 +1719,8 @@ HRESULT WINAPI AVISaveVW(LPCWSTR szFile, CLSID *pclsidHandler,
}
/* allocate buffer for formats, data, etc. of an initial size of 64 kBytes*/
lpBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cbBuffer = 0x00010000);
cbBuffer = 0x00010000;
lpBuffer = HeapAlloc(GetProcessHeap(), 0, cbBuffer);
if (lpBuffer == NULL) {
hres = AVIERR_MEMORY;
goto error;
@ -1862,7 +1863,7 @@ HRESULT WINAPI AVISaveVW(LPCWSTR szFile, CLSID *pclsidHandler,
lFirstVideo - lStart[curStream], lpBuffer,
cbBuffer, &lReadBytes, &lReadSamples);
} while ((hres == AVIERR_BUFFERTOOSMALL) &&
(lpBuffer = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lpBuffer, cbBuffer *= 2)) != NULL);
(lpBuffer = HeapReAlloc(GetProcessHeap(), 0, lpBuffer, cbBuffer *= 2)) != NULL);
if (lpBuffer == NULL)
hres = AVIERR_MEMORY;
if (FAILED(hres))
@ -1931,7 +1932,7 @@ HRESULT WINAPI AVISaveVW(LPCWSTR szFile, CLSID *pclsidHandler,
hres = AVIStreamRead(pInStreams[curStream],sInfo.dwStart,lSamples,
lpBuffer,cbBuffer,&lReadBytes,&lReadSamples);
} while ((hres == AVIERR_BUFFERTOOSMALL) &&
(lpBuffer = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lpBuffer, cbBuffer *= 2)) != NULL);
(lpBuffer = HeapReAlloc(GetProcessHeap(), 0, lpBuffer, cbBuffer *= 2)) != NULL);
if (lpBuffer == NULL)
hres = AVIERR_MEMORY;
if (FAILED(hres))
@ -1977,7 +1978,7 @@ HRESULT WINAPI AVISaveVW(LPCWSTR szFile, CLSID *pclsidHandler,
hres = AVIStreamRead(pInStreams[curStream], sInfo.dwStart, 1,
lpBuffer, cbBuffer,&lReadBytes,&lReadSamples);
} while ((hres == AVIERR_BUFFERTOOSMALL) &&
(lpBuffer = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, lpBuffer, cbBuffer *= 2)) != NULL);
(lpBuffer = HeapReAlloc(GetProcessHeap(), 0, lpBuffer, cbBuffer *= 2)) != NULL);
if (lpBuffer == NULL)
hres = AVIERR_MEMORY;
if (FAILED(hres))

4
dlls/avifil32/editstream.c
View File

@ -329,11 +329,11 @@ static BOOL AVIFILE_FormatsEqual(PAVISTREAM avi1, PAVISTREAM avi2)
return FALSE;
/* sizes match, now get formats and compare them */
fmt1 = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size1);
fmt1 = HeapAlloc(GetProcessHeap(), 0, size1);
if (fmt1 == NULL)
return FALSE;
if (SUCCEEDED(AVIStreamReadFormat(avi1, start1, fmt1, &size1))) {
fmt2 = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size1);
fmt2 = HeapAlloc(GetProcessHeap(), 0, size1);
if (fmt2 != NULL) {
if (SUCCEEDED(AVIStreamReadFormat(avi2, start2, fmt2, &size1)))
status = (memcmp(fmt1, fmt2, size1) == 0);

4
dlls/avifil32/getframe.c
View File

@ -366,7 +366,7 @@ static HRESULT WINAPI IGetFrame_fnSetFormat(IGetFrame *iface,
IAVIStream_ReadFormat(This->pStream, sInfo.dwStart,
NULL, &This->cbInFormat);
This->lpInFormat = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->cbInFormat + This->cbInBuffer);
This->lpInFormat = HeapAlloc(GetProcessHeap(), 0, This->cbInFormat + This->cbInBuffer);
if (This->lpInFormat == NULL) {
AVIFILE_CloseCompressor(This);
return AVIERR_MEMORY;
@ -406,7 +406,7 @@ static HRESULT WINAPI IGetFrame_fnSetFormat(IGetFrame *iface,
/* need memory for output format? */
if (This->lpOutFormat == NULL) {
This->lpOutFormat =
HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
HeapAlloc(GetProcessHeap(), 0, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
if (This->lpOutFormat == NULL) {
AVIFILE_CloseCompressor(This);
return AVIERR_MEMORY;

8
dlls/avifil32/icmstream.c
View File

@ -488,7 +488,7 @@ static HRESULT WINAPI ICMStream_fnSetFormat(IAVIStream *iface, LONG pos,
size = ICCompressGetFormatSize(This->hic, This->lpbiInput);
if (size < sizeof(BITMAPINFOHEADER))
return AVIERR_COMPRESSOR;
This->lpbiOutput = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
This->lpbiOutput = HeapAlloc(GetProcessHeap(), 0, size);
if (This->lpbiOutput == NULL)
return AVIERR_MEMORY;
This->cbOutput = size;
@ -517,7 +517,7 @@ static HRESULT WINAPI ICMStream_fnSetFormat(IAVIStream *iface, LONG pos,
if (This->lKeyFrameEvery != 1 &&
(This->dwICMFlags & VIDCF_FASTTEMPORALC) == 0) {
size = ICDecompressGetFormatSize(This->hic, This->lpbiOutput);
This->lpbiPrev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
This->lpbiPrev = HeapAlloc(GetProcessHeap(), 0, size);
if (This->lpbiPrev == NULL)
return AVIERR_MEMORY;
if (ICDecompressGetFormat(This->hic, This->lpbiOutput, This->lpbiPrev) < S_OK)
@ -913,7 +913,7 @@ static HRESULT AVIFILE_OpenGetFrame(IAVIStreamImpl *This)
size = ICCompressGetFormatSize(This->hic, lpbi);
if ((LONG)size < (LONG)sizeof(BITMAPINFOHEADER))
return AVIERR_COMPRESSOR;
This->lpbiOutput = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
This->lpbiOutput = HeapAlloc(GetProcessHeap(), 0, size);
if (This->lpbiOutput == NULL)
return AVIERR_MEMORY;
This->cbOutput = size;
@ -945,7 +945,7 @@ static HRESULT AVIFILE_OpenGetFrame(IAVIStreamImpl *This)
if (This->lKeyFrameEvery != 1 &&
(This->dwICMFlags & VIDCF_FASTTEMPORALC) == 0) {
size = ICDecompressGetFormatSize(This->hic, This->lpbiOutput);
This->lpbiPrev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
This->lpbiPrev = HeapAlloc(GetProcessHeap(), 0, size);
if (This->lpbiPrev == NULL)
return AVIERR_MEMORY;
if (ICDecompressGetFormat(This->hic, This->lpbiOutput, This->lpbiPrev) < S_OK)