static void vfw_shutdown()
{
int i;
for(i=0; i<vfw_n_hicd; i++)
ICDecompressEnd(vfw_hicd[i]);
}
// uninit driver
static void uninit(sh_video_t *sh){
HRESULT ret;
vd_vfw_ctx *priv = sh->context;
#ifdef BUILD_VFWEX
ret = ICDecompressEndEx(priv->handle);
#else
ret = ICDecompressEnd(priv->handle);
#endif
if (ret)
{
mp_msg(MSGT_WIN32, MSGL_WARN, "ICDecompressEnd failed: %ld\n", ret);
return;
}
ret = ICClose(priv->handle);
if (ret)
{
mp_msg(MSGT_WIN32, MSGL_WARN, "ICClose failed: %ld\n", ret);
return;
}
free(priv->o_bih);
free(priv);
}
void CMainFrame::OnClose()
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
capCaptureAbort(m_hWndCap);
capDriverDisconnect(m_hWndCap);
Sleep(100);
capSetCallbackOnError(m_hWndCap,NULL);
capSetCallbackOnStatus(m_hWndCap,NULL);
capSetCallbackOnVideoStream(m_hWndCap,NULL);
delete lpbiIn;
delete lpbiTmp;
delete lpbiOut;
if (m_vfwState==ENCDEC){
ICDecompressEnd(hic2);
ICClose(hic2);
ICSeqCompressFrameEnd(&pc);
ICCompressEnd(hic1);
ICClose(hic1);
AVIStreamClose(ps);
if(m_pFile != NULL)
AVIFileRelease(m_pFile);
}
enc_stop();
dec_stop();
Sleep(100);
CFrameWnd::OnClose();
}
void CvCaptureCAM_VFW::closeHIC()
{
if( hic )
{
ICDecompressEnd( hic );
ICClose( hic );
hic = 0;
}
}
void cap_ic_finish(cap_cx *cx)
{
if(cx->mode == CAP_USE_IC)
{
ICDecompressEnd(cx->ic);
free(cx->poutfmt);
ICClose(cx->ic);
}
}
static ULONG WINAPI ICMStream_fnRelease(IAVIStream* iface)
{
IAVIStreamImpl *This = impl_from_IAVIStream(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) -> %d\n", iface, ref);
if (ref == 0) {
/* destruct */
if (This->pg != NULL) {
AVIStreamGetFrameClose(This->pg);
This->pg = NULL;
}
if (This->pStream != NULL) {
IAVIStream_Release(This->pStream);
This->pStream = NULL;
}
if (This->hic != NULL) {
if (This->lpbiPrev != NULL) {
ICDecompressEnd(This->hic);
HeapFree(GetProcessHeap(), 0, This->lpbiPrev);
This->lpbiPrev = NULL;
This->lpPrev = NULL;
}
ICCompressEnd(This->hic);
This->hic = NULL;
}
if (This->lpbiCur != NULL) {
HeapFree(GetProcessHeap(), 0, This->lpbiCur);
This->lpbiCur = NULL;
This->lpCur = NULL;
}
if (This->lpbiOutput != NULL) {
HeapFree(GetProcessHeap(), 0, This->lpbiOutput);
This->lpbiOutput = NULL;
This->cbOutput = 0;
}
if (This->lpbiInput != NULL) {
HeapFree(GetProcessHeap(), 0, This->lpbiInput);
This->lpbiInput = NULL;
This->cbInput = 0;
}
HeapFree(GetProcessHeap(), 0, This);
return 0;
}
/* also release reference to the nested stream */
if (This->pStream != NULL)
IAVIStream_Release(This->pStream);
return ref;
}
static void AVIFILE_CloseCompressor(IGetFrameImpl *This)
{
if (This->lpInFormat != This->lpOutFormat) {
HeapFree(GetProcessHeap(), 0, This->lpOutFormat);
This->lpOutFormat = NULL;
}
HeapFree(GetProcessHeap(), 0, This->lpInFormat);
This->lpInFormat = NULL;
if (This->hic != NULL) {
if (This->bResize)
ICDecompressExEnd(This->hic);
else
ICDecompressEnd(This->hic);
ICClose(This->hic);
This->hic = NULL;
}
}
static HRESULT WINAPI AVIDec_StopStreaming(TransformFilter* pTransformFilter)
{
AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
DWORD result;
TRACE("(%p)->()\n", This);
if (!This->hvid)
return S_OK;
result = ICDecompressEnd(This->hvid);
if (result != ICERR_OK)
{
ERR("Cannot stop processing (%d)\n", result);
return E_FAIL;
}
return S_OK;
}
/***********************************************************************
* DrawDibEnd [MSVFW32.@]
*/
BOOL VFWAPI DrawDibEnd(HDRAWDIB hdd)
{
BOOL ret = TRUE;
WINE_HDD *whdd = MSVIDEO_GetHddPtr(hdd);
TRACE("(%p)\n", hdd);
if (!whdd) return FALSE;
whdd->hpal = 0; /* Do not free this */
whdd->hdc = 0;
HeapFree(GetProcessHeap(), 0, whdd->lpbi);
whdd->lpbi = NULL;
HeapFree(GetProcessHeap(), 0, whdd->lpbiOut);
whdd->lpbiOut = NULL;
whdd->begun = FALSE;
/*if (whdd->lpvbits)
HeapFree(GetProcessHeap(), 0, whdd->lpvbuf);*/
if (whdd->hMemDC)
{
SelectObject(whdd->hMemDC, whdd->hOldDib);
DeleteDC(whdd->hMemDC);
whdd->hMemDC = 0;
}
if (whdd->hDib) DeleteObject(whdd->hDib);
whdd->hDib = 0;
if (whdd->hic)
{
ICDecompressEnd(whdd->hic);
ICClose(whdd->hic);
whdd->hic = 0;
}
whdd->lpvbits = NULL;
return ret;
}
~win_movie_Rec()
{
if(bAudio)
{
#ifdef SND_USE_FMOD
if(fmod_stream)
FSOUND_Stream_Close(fmod_stream);
#endif
acmStreamUnprepareHeader(acmStream,&audioStreamHeader,0);
acmStreamClose(acmStream,0);
delete[] audioDecoded;
delete[] audioEncoded;
AVIStreamRelease(audioStream);
}
if(bDecompStarted)
ICDecompressEnd(hIC);
if(hIC)
ICClose(hIC);
if(outdata) GlobalFreePtr(outdata);
if(indata) GlobalFreePtr(indata);
if(stream)
AVIStreamRelease(stream);
if(avi)
AVIFileRelease(avi);
if(img)
{
FreeImageHandle(imgHandle);
delete img;
}
if(handle != 0)
Handle::free(HANDLE_TYPE_MOVIE,handle);
}
std::shared_ptr<WatermarkSearchResult> WatermarkSearchWorker::findWatermark(int width, int height)
{
std::shared_ptr<WatermarkSearchResult> r = std::make_shared<WatermarkSearchResult>();
r->size_.width_ = width;
r->size_.height_ = height;
int const bytesPerPixel = 4;
int const scanlineSizeInBytes = width * bytesPerPixel;
BITMAPINFOHEADER inputFormat;
ZeroMemory(&inputFormat, sizeof(inputFormat));
inputFormat.biSize = sizeof(inputFormat);
inputFormat.biWidth = width;
inputFormat.biHeight = height;
inputFormat.biPlanes = 1;
inputFormat.biBitCount = 8 * bytesPerPixel;
inputFormat.biCompression = BI_RGB;
inputFormat.biSizeImage = scanlineSizeInBytes * height;
DWORD const size = ICCompressGetFormatSize(compressor_, &inputFormat);
if (size == 0 || (size & 0xFFFF0000) == 0xFFFF0000) {
return r;
}
std::vector<uint8_t> outputFormatStorage(size);
LPBITMAPINFOHEADER outputFormat = (LPBITMAPINFOHEADER)(BITMAPINFO*)outputFormatStorage.data();
if (ICCompressGetFormat(compressor_, &inputFormat, outputFormat) != ICERR_OK) {
return r;
}
DWORD const outputSize = ICCompressGetSize(compressor_, &inputFormat, outputFormat);
if (outputSize < 0) {
return r;
}
if (outputBuffer_.size() < outputSize) {
outputBuffer_.resize(outputSize);
}
if (inputBuffer_.size() < inputFormat.biSizeImage) {
inputBuffer_.resize(inputFormat.biSizeImage);
}
std::fill(inputBuffer_.begin(), inputBuffer_.begin() + inputFormat.biSizeImage, (uint8_t)0xff);
if (ICCompressBegin(compressor_, &inputFormat, outputFormat) != ICERR_OK) {
return r;
}
DWORD flags = 0;
DWORD dwckid = 0;
DWORD result = ICCompress(compressor_,
0, // dwFlags
outputFormat,
outputBuffer_.data(),
&inputFormat,
inputBuffer_.data(),
&dwckid,
&flags,
0, // lpFrameNum
0, // dwFrameSize
0, // dwQuality
nullptr, // lpbiPrev
nullptr); // lpPrev
if (result != ICERR_OK) {
return r;
}
if (ICCompressEnd(compressor_) != ICERR_OK) {
return r;
}
if (ICDecompressBegin(decompressor_, outputFormat, &inputFormat) != ICERR_OK) {
return r;
}
std::fill(inputBuffer_.begin(), inputBuffer_.begin() + inputFormat.biSizeImage, (uint8_t)0xff);
if (ICDecompress(decompressor_, 0, outputFormat, outputBuffer_.data(), &inputFormat, inputBuffer_.data()) != ICERR_OK) {
return r;
}
if (ICDecompressEnd(decompressor_) != ICERR_OK) {
return r;
}
// Search left edge of watermark
int left = -1;
for (int x = 0; x < width; ++x) {
bool found = false;
for (int y = 0; y < height; ++y) {
for (int j = 0; j < bytesPerPixel; ++j) {
int index = scanlineSizeInBytes * y + x * bytesPerPixel + j;
if (inputBuffer_[index] != (uint8_t)0xff) {
found = true;
left = x;
break;
}
}
if (found) {
break;
}
}
if (found) {
break;
}
}
if (left < 0) {
return r;
}
// Search right edge of watermark
int right = -1;
for (int x = width - 1; x >= 0; --x) {
bool found = false;
for (int y = 0; y < height; ++y) {
for (int j = 0; j < bytesPerPixel; ++j) {
int index = scanlineSizeInBytes * y + x * bytesPerPixel + j;
if (inputBuffer_[index] != (uint8_t)0xff) {
found = true;
right = x;
break;
}
}
if (found) {
break;
}
}
if (found) {
break;
}
}
if (right < 0) {
return r;
}
// Search top edge of watermark
int top = -1;
for (int y = 0; y < height; ++y) {
bool found = false;
for (int x = 0; x < width; ++x) {
for (int j = 0; j < bytesPerPixel; ++j) {
int index = scanlineSizeInBytes * y + x * bytesPerPixel + j;
if (inputBuffer_[index] != (uint8_t)0xff) {
found = true;
top = y;
break;
}
}
if (found) {
break;
}
}
if (found) {
break;
}
}
if (top < 0) {
return r;
}
// Search bottom edge of watermark
int bottom = -1;
for (int y = height - 1; y >= 0; --y) {
bool found = false;
for (int x = 0; x < width; ++x) {
for (int j = 0; j < bytesPerPixel; ++j) {
int index = scanlineSizeInBytes * y + x * bytesPerPixel + j;
if (inputBuffer_[index] != (uint8_t)0xff) {
found = true;
bottom = y;
break;
}
}
if (found) {
break;
}
}
if (found) {
break;
}
}
if (top < 0) {
return r;
}
r->x_ = left;
r->y_ = top;
int const watermarkWidth = right - left + 1;
int const watermarkHeight = bottom - top + 1;
r->width_ = watermarkWidth;
r->height_ = watermarkHeight;
r->watermark_ = std::make_shared<Bitmap>(watermarkWidth, watermarkHeight);
for (int y = 0; y < watermarkHeight; ++y) {
for (int x = 0; x < watermarkWidth; ++x) {
int index = scanlineSizeInBytes * (y + top) + (x + left) * bytesPerPixel;
uint8_t red = inputBuffer_[index];
uint8_t green = inputBuffer_[index + 1];
uint8_t blue = inputBuffer_[index + 2];
r->watermark_->setPixel(x, watermarkHeight - y - 1, Color{ red, green, blue });
}
}
return r;
}
HANDLE VFWAPI ICImageDecompress(
HIC hic, UINT uiFlags, LPBITMAPINFO lpbiIn,
LPVOID lpBits, LPBITMAPINFO lpbiOut)
{
HGLOBAL hMem = NULL;
BYTE* pMem = NULL;
BOOL bReleaseIC = FALSE;
BYTE* pHdr = NULL;
ULONG cbHdr = 0;
BOOL bSucceeded = FALSE;
BOOL bInDecompress = FALSE;
DWORD biSizeImage;
TRACE("(%p,%08x,%p,%p,%p)\n",
hic, uiFlags, lpbiIn, lpBits, lpbiOut);
if ( hic == NULL )
{
hic = ICDecompressOpen( ICTYPE_VIDEO, 0, &lpbiIn->bmiHeader, (lpbiOut != NULL) ? &lpbiOut->bmiHeader : NULL );
if ( hic == NULL )
{
WARN("no handler\n" );
goto err;
}
bReleaseIC = TRUE;
}
if ( uiFlags != 0 )
{
FIXME( "unknown flag %08x\n", uiFlags );
goto err;
}
if ( lpbiIn == NULL || lpBits == NULL )
{
WARN("invalid argument\n");
goto err;
}
if ( lpbiOut != NULL )
{
if ( lpbiOut->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) )
goto err;
cbHdr = sizeof(BITMAPINFOHEADER);
if ( lpbiOut->bmiHeader.biCompression == 3 )
cbHdr += sizeof(DWORD)*3;
else
if ( lpbiOut->bmiHeader.biBitCount <= 8 )
{
if ( lpbiOut->bmiHeader.biClrUsed == 0 )
cbHdr += sizeof(RGBQUAD) * (1<<lpbiOut->bmiHeader.biBitCount);
else
cbHdr += sizeof(RGBQUAD) * lpbiOut->bmiHeader.biClrUsed;
}
}
else
{
TRACE( "get format\n" );
cbHdr = ICDecompressGetFormatSize(hic,lpbiIn);
if ( cbHdr < sizeof(BITMAPINFOHEADER) )
goto err;
pHdr = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,cbHdr+sizeof(RGBQUAD)*256);
if ( pHdr == NULL )
goto err;
if ( ICDecompressGetFormat( hic, lpbiIn, pHdr ) != ICERR_OK )
goto err;
lpbiOut = (BITMAPINFO*)pHdr;
if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
ICDecompressGetPalette( hic, lpbiIn, lpbiOut ) != ICERR_OK &&
lpbiIn->bmiHeader.biBitCount == lpbiOut->bmiHeader.biBitCount )
{
if ( lpbiIn->bmiHeader.biClrUsed == 0 )
memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*(1<<lpbiOut->bmiHeader.biBitCount) );
else
memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*lpbiIn->bmiHeader.biClrUsed );
}
if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
lpbiOut->bmiHeader.biClrUsed == 0 )
lpbiOut->bmiHeader.biClrUsed = 1<<lpbiOut->bmiHeader.biBitCount;
lpbiOut->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
cbHdr = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*lpbiOut->bmiHeader.biClrUsed;
}
biSizeImage = lpbiOut->bmiHeader.biSizeImage;
if ( biSizeImage == 0 )
biSizeImage = ((((lpbiOut->bmiHeader.biWidth * lpbiOut->bmiHeader.biBitCount + 7) >> 3) + 3) & (~3)) * abs(lpbiOut->bmiHeader.biHeight);
TRACE( "call ICDecompressBegin\n" );
if ( ICDecompressBegin( hic, lpbiIn, lpbiOut ) != ICERR_OK )
goto err;
bInDecompress = TRUE;
TRACE( "cbHdr %d, biSizeImage %d\n", cbHdr, biSizeImage );
hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_ZEROINIT, cbHdr + biSizeImage );
if ( hMem == NULL )
{
WARN( "out of memory\n" );
goto err;
}
pMem = GlobalLock( hMem );
if ( pMem == NULL )
goto err;
memcpy( pMem, lpbiOut, cbHdr );
TRACE( "call ICDecompress\n" );
if ( ICDecompress( hic, 0, &lpbiIn->bmiHeader, lpBits, &lpbiOut->bmiHeader, pMem+cbHdr ) != ICERR_OK )
goto err;
bSucceeded = TRUE;
err:
if ( bInDecompress )
ICDecompressEnd( hic );
if ( bReleaseIC )
ICClose(hic);
HeapFree(GetProcessHeap(),0,pHdr);
if ( pMem != NULL )
GlobalUnlock( hMem );
if ( !bSucceeded && hMem != NULL )
{
GlobalFree(hMem); hMem = NULL;
}
return hMem;
}
BOOST_DATA_TEST_CASE(vcm_encdec, make_data_from_tuple_container(vecEncDecClips), src, dst, fmt, config, tolerance)
{
VideoClip srcClip(src);
VideoClip dstClip(dst);
DWORD fccCodec = FCC(fmt);
BOOST_REQUIRE(srcClip.GetWidth() == dstClip.GetWidth());
BOOST_REQUIRE(srcClip.GetHeight() == dstClip.GetHeight());
DWORD fccSrc = srcClip.GetFourCC();
DWORD fccDst = dstClip.GetFourCC();
unsigned int nWidth = srcClip.GetWidth();
unsigned int nHeight = srcClip.GetHeight();
size_t cbSrcData;
size_t cbDstData;
size_t cbCompressedData;
HIC hicEncode, hicDecode;
LRESULT lr;
union
{
BITMAPINFOHEADER bihCompressed;
char bihCompressedBuf[128];
};
BITMAPINFOHEADER bihSrc;
BITMAPINFOHEADER bihDst;
hicEncode = ICOpen(ICTYPE_VIDEO, fccCodec, ICMODE_COMPRESS);
BOOST_REQUIRE(hicEncode != NULL);
ICCloser iccloserEnc(hicEncode);
lr = ICSetState(hicEncode, &config.front(), config.size());
BOOST_REQUIRE(lr == config.size());
hicDecode = ICOpen(ICTYPE_VIDEO, fccCodec, ICMODE_DECOMPRESS);
BOOST_REQUIRE(hicDecode != NULL);
ICCloser iccloserDec(hicDecode);
memset(&bihSrc, 0, sizeof(BITMAPINFOHEADER));
bihSrc.biSize = sizeof(BITMAPINFOHEADER);
bihSrc.biWidth = nWidth;
bihSrc.biHeight = nHeight;
bihSrc.biPlanes = 1;
bihSrc.biBitCount = FCC2BitCount(fccSrc);
bihSrc.biCompression = FCC2Compression(fccSrc);
bihSrc.biSizeImage = 10000000;
memset(&bihDst, 0, sizeof(BITMAPINFOHEADER));
bihDst.biSize = sizeof(BITMAPINFOHEADER);
bihDst.biWidth = nWidth;
bihDst.biHeight = nHeight;
bihDst.biPlanes = 1;
bihDst.biBitCount = FCC2BitCount(fccDst);
bihDst.biCompression = FCC2Compression(fccDst);
bihDst.biSizeImage = 10000000;
lr = ICCompressGetFormat(hicEncode, &bihSrc, &bihCompressed);
BOOST_REQUIRE_EQUAL(lr, ICERR_OK);
cbCompressedData = ICCompressGetSize(hicEncode, &bihSrc, &bihCompressed);
lr = ICCompressBegin(hicEncode, &bihSrc, &bihCompressed);
BOOST_REQUIRE_EQUAL(lr, ICERR_OK);
lr = ICDecompressBegin(hicDecode, &bihCompressed, &bihDst);
BOOST_REQUIRE_EQUAL(lr, ICERR_OK);
void *pSrcData;
void *pDstData;
void *pEncoderOut = malloc(cbCompressedData);
void *pDecoderOut = NULL;
int retSrc, retDst;
LONG lFrameNum = 0;
while ((retSrc = srcClip.GetNextFrame(&pSrcData, &cbSrcData, NULL)) == 0 &&
(retDst = dstClip.GetNextFrame(&pDstData, &cbDstData, NULL) == 0))
{
DWORD dwFlags = 0;
lr = ICCompress(hicEncode, 0, &bihCompressed, pEncoderOut, &bihSrc, pSrcData, NULL, &dwFlags, lFrameNum++, 0, 0, &bihSrc, NULL);
BOOST_REQUIRE(lr == ICERR_OK);
if (pDecoderOut == NULL)
pDecoderOut = malloc(cbDstData);
lr = ICDecompress(hicDecode, (dwFlags & AVIIF_KEYFRAME) ? 0 : ICDECOMPRESS_NOTKEYFRAME, &bihCompressed, pEncoderOut, &bihDst, pDecoderOut);
BOOST_REQUIRE(lr == ICERR_OK);
BOOST_CHECK(bihDst.biSizeImage == cbDstData);
BOOST_CHECK(CompareFrame(pDstData, pDecoderOut, nWidth, cbDstData, fccDst, tolerance) == 0);
}
BOOST_CHECK(retSrc != 0 && retDst != 0);
if (pDecoderOut != NULL)
free(pDecoderOut);
free(pEncoderOut);
lr = ICDecompressEnd(hicDecode);
BOOST_CHECK(lr == ICERR_OK);
lr = ICCompressEnd(hicEncode);
BOOST_CHECK(lr == ICERR_OK);
}
static HRESULT WINAPI ICMStream_fnSetFormat(IAVIStream *iface, LONG pos,
LPVOID format, LONG formatsize)
{
IAVIStreamImpl *This = impl_from_IAVIStream(iface);
TRACE("(%p,%d,%p,%d)\n", iface, pos, format, formatsize);
/* check parameters */
if (format == NULL || formatsize <= 0)
return AVIERR_BADPARAM;
/* We can only accept RGB data for writing */
if (((LPBITMAPINFOHEADER)format)->biCompression != BI_RGB) {
WARN(": need RGB data as input\n");
return AVIERR_UNSUPPORTED;
}
/* Input format already known?
* Changing of palette is supported, but be quiet if it's the same */
if (This->lpbiInput != NULL) {
if (This->cbInput != formatsize)
return AVIERR_UNSUPPORTED;
if (memcmp(format, This->lpbiInput, formatsize) == 0)
return AVIERR_OK;
}
/* Does the nested stream support writing? */
if ((This->sInfo.dwCaps & AVIFILECAPS_CANWRITE) == 0)
return AVIERR_READONLY;
/* check if frame is already written */
if (This->sInfo.dwLength + This->sInfo.dwStart > pos)
return AVIERR_UNSUPPORTED;
/* check if we should compress */
if (This->sInfo.fccHandler == 0 ||
This->sInfo.fccHandler == mmioFOURCC('N','O','N','E'))
This->sInfo.fccHandler = comptypeDIB;
/* only pass through? */
if (This->sInfo.fccHandler == comptypeDIB)
return IAVIStream_SetFormat(This->pStream, pos, format, formatsize);
/* initial format setting? */
if (This->lpbiInput == NULL) {
ULONG size;
assert(This->hic != NULL);
/* get memory for input format */
This->lpbiInput = HeapAlloc(GetProcessHeap(), 0, formatsize);
if (This->lpbiInput == NULL)
return AVIERR_MEMORY;
This->cbInput = formatsize;
memcpy(This->lpbiInput, format, formatsize);
/* get output format */
size = ICCompressGetFormatSize(This->hic, This->lpbiInput);
if (size < sizeof(BITMAPINFOHEADER))
return AVIERR_COMPRESSOR;
This->lpbiOutput = HeapAlloc(GetProcessHeap(), 0, size);
if (This->lpbiOutput == NULL)
return AVIERR_MEMORY;
This->cbOutput = size;
if (ICCompressGetFormat(This->hic,This->lpbiInput,This->lpbiOutput) < S_OK)
return AVIERR_COMPRESSOR;
/* update AVISTREAMINFO structure */
This->sInfo.rcFrame.right =
This->sInfo.rcFrame.left + This->lpbiOutput->biWidth;
This->sInfo.rcFrame.bottom =
This->sInfo.rcFrame.top + This->lpbiOutput->biHeight;
/* prepare codec for compression */
if (ICCompressBegin(This->hic, This->lpbiInput, This->lpbiOutput) != S_OK)
return AVIERR_COMPRESSOR;
/* allocate memory for compressed frame */
size = ICCompressGetSize(This->hic, This->lpbiInput, This->lpbiOutput);
This->lpbiCur = HeapAlloc(GetProcessHeap(), 0, This->cbOutput + size);
if (This->lpbiCur == NULL)
return AVIERR_MEMORY;
memcpy(This->lpbiCur, This->lpbiOutput, This->cbOutput);
This->lpCur = DIBPTR(This->lpbiCur);
/* allocate memory for last frame if needed */
if (This->lKeyFrameEvery != 1 &&
(This->dwICMFlags & VIDCF_FASTTEMPORALC) == 0) {
size = ICDecompressGetFormatSize(This->hic, This->lpbiOutput);
This->lpbiPrev = HeapAlloc(GetProcessHeap(), 0, size);
if (This->lpbiPrev == NULL)
return AVIERR_MEMORY;
if (ICDecompressGetFormat(This->hic, This->lpbiOutput, This->lpbiPrev) < S_OK)
return AVIERR_COMPRESSOR;
if (This->lpbiPrev->biSizeImage == 0) {
This->lpbiPrev->biSizeImage =
DIBWIDTHBYTES(*This->lpbiPrev) * This->lpbiPrev->biHeight;
}
/* get memory for format and picture */
size += This->lpbiPrev->biSizeImage;
This->lpbiPrev = HeapReAlloc(GetProcessHeap(), 0, This->lpbiPrev, size);
if (This->lpbiPrev == NULL)
return AVIERR_MEMORY;
This->lpPrev = DIBPTR(This->lpbiPrev);
/* prepare codec also for decompression */
if (ICDecompressBegin(This->hic,This->lpbiOutput,This->lpbiPrev) != S_OK)
return AVIERR_COMPRESSOR;
}
} else {
/* format change -- check that's only the palette */
LPBITMAPINFOHEADER lpbi = format;
if (lpbi->biSize != This->lpbiInput->biSize ||
lpbi->biWidth != This->lpbiInput->biWidth ||
lpbi->biHeight != This->lpbiInput->biHeight ||
lpbi->biBitCount != This->lpbiInput->biBitCount ||
lpbi->biPlanes != This->lpbiInput->biPlanes ||
lpbi->biCompression != This->lpbiInput->biCompression ||
lpbi->biClrUsed != This->lpbiInput->biClrUsed)
return AVIERR_UNSUPPORTED;
/* get new output format */
if (ICCompressGetFormat(This->hic, lpbi, This->lpbiOutput) < S_OK)
return AVIERR_BADFORMAT;
/* restart compression */
ICCompressEnd(This->hic);
if (ICCompressBegin(This->hic, lpbi, This->lpbiOutput) != S_OK)
return AVIERR_COMPRESSOR;
/* check if we need to restart decompression also */
if (This->lKeyFrameEvery != 1 &&
(This->dwICMFlags & VIDCF_FASTTEMPORALC) == 0) {
ICDecompressEnd(This->hic);
if (ICDecompressGetFormat(This->hic,This->lpbiOutput,This->lpbiPrev) < S_OK)
return AVIERR_COMPRESSOR;
if (ICDecompressBegin(This->hic,This->lpbiOutput,This->lpbiPrev) != S_OK)
return AVIERR_COMPRESSOR;
}
}
/* tell nested stream the new format */
return IAVIStream_SetFormat(This->pStream, pos,
This->lpbiOutput, This->cbOutput);
}
