void guiPositionBlit(HWND hWndClipping, VDPosition lFrame, int w, int h) {
if (lFrame<0) return;
try {
BITMAPINFOHEADER *dcf;
if (!inputVideo)
SendMessage(hWndClipping, CCM_BLITFRAME2, 0, (LPARAM)NULL);
else {
dcf = (BITMAPINFOHEADER *)inputVideo->getDecompressedFormat();
IVDStreamSource *pVSS = inputVideo->asStream();
if (lFrame < pVSS->getStart() || lFrame >= pVSS->getEnd())
SendMessage(hWndClipping, CCM_BLITFRAME2, 0, (LPARAM)NULL);
else {
Pixel32 *tmpmem;
const void *pFrame = inputVideo->getFrame(lFrame);
int dch = abs(dcf->biHeight);
if (w>0 && h>0 && w!=dcf->biWidth && h != dch && (tmpmem = new Pixel32[((w+1)&~1)*h + ((dcf->biWidth+1)&~1)*dch])) {
VBitmap vbt(tmpmem, w, h, 32);
VBitmap vbs(tmpmem+((w+1)&~1)*h, dcf->biWidth, dch, 32);
VBitmap srcbm((void *)pFrame, dcf);
vbs.BitBlt(0, 0, &srcbm, 0, 0, -1, -1);
vbt.StretchBltBilinearFast(0, 0, w, h, &vbs, 0, 0, vbs.w, vbs.h);
VDPixmap px(VDAsPixmap(vbt));
SendMessage(hWndClipping, CCM_BLITFRAME2, 0, (LPARAM)&px);
delete[] tmpmem;
} else
SendMessage(hWndClipping, CCM_BLITFRAME2, 0, (LPARAM)&inputVideo->getTargetFormat());
}
}
} catch(const MyError&) {
_RPT0(0,"Exception!!!\n");
}
}
LRESULT Frameserver::SessionFrame(LPARAM lParam, WPARAM original_frame) {
FrameserverSession *fs = SessionLookup(lParam);
if (!fs)
return VDSRVERR_BADSESSION;
try {
const void *ptr = vSrc->getFrameBuffer();
const BITMAPINFOHEADER *bmih = vSrc->getDecompressedFormat();
VDPosition sample;
bool is_preroll;
if (fs->arena_size < ((filters.LastBitmap()->w*3+3)&-4)*filters.LastBitmap()->h)
return VDSRVERR_TOOBIG;
sample = mVideoFrameMap[original_frame].mDisplayFrame;
if (sample < 0)
return VDSRVERR_FAILED;
vSrc->streamSetDesiredFrame(sample);
VDPosition targetSample = vSrc->displayToStreamOrder(sample);
VDPosition frame = vSrc->streamGetNextRequiredFrame(is_preroll);
if (frame >= 0) {
do {
uint32 lSize;
int hr;
// _RPT1(0,"feeding frame %ld\n", frame);
hr = vSrc->read(frame, 1, NULL, 0x7FFFFFFF, &lSize, NULL);
if (hr)
return VDSRVERR_FAILED;
uint32 bufSize = (lSize + 65535 + vSrc->streamGetDecodePadding()) & ~65535;
if (mInputBuffer.size() < bufSize)
mInputBuffer.resize(bufSize);
hr = vSrc->read(frame, 1, mInputBuffer.data(), lSize, &lSize, NULL);
if (hr)
return VDSRVERR_FAILED;
vSrc->streamFillDecodePadding(mInputBuffer.data(), lSize);
ptr = vSrc->streamGetFrame(mInputBuffer.data(), lSize, is_preroll, frame, targetSample);
} while(-1 != (frame = vSrc->streamGetNextRequiredFrame(is_preroll)));
} else
ptr = vSrc->streamGetFrame(NULL, 0, FALSE, targetSample, targetSample);
VDPixmap pxdst(VDPixmapFromLayout(mFrameLayout, fs->arena));
if (!g_listFA.IsEmpty()) {
VDPixmapBlt(VDAsPixmap(*filters.InputBitmap()), vSrc->getTargetFormat());
fsi.lCurrentFrame = original_frame;
fsi.lCurrentSourceFrame = sample;
fsi.lSourceFrameMS = MulDiv(fsi.lCurrentSourceFrame, fsi.lMicrosecsPerSrcFrame, 1000);
fsi.lDestFrameMS = MulDiv(fsi.lCurrentFrame, fsi.lMicrosecsPerFrame, 1000);
filters.RunFilters(fsi);
VDPixmapBlt(pxdst, VDAsPixmap(*filters.LastBitmap()));
} else
VDPixmapBlt(pxdst, vSrc->getTargetFormat());
} catch(const MyError&) {
return VDSRVERR_FAILED;
}
return VDSRVERR_OK;
}
const void *VideoSourceImages::streamGetFrame(const void *inputBuffer, uint32 data_len, bool is_preroll, VDPosition frame_num, VDPosition target_sample) {
// We may get a zero-byte frame if we already have the image.
if (!data_len)
return getFrameBuffer();
int w, h;
bool bHasAlpha;
bool bIsPNG = false;
bool bIsJPG = false;
bool bIsBMP = false;
bool bIsIFF = false;
bool bIsTGA = false;
bIsPNG = VDDecodePNGHeader(inputBuffer, data_len, w, h, bHasAlpha);
if (!bIsPNG) {
bIsJPG = VDIsJPEGHeader(inputBuffer, data_len);
if (!bIsJPG) {
bIsBMP = DecodeBMPHeader(inputBuffer, data_len, w, h, bHasAlpha);
if (!bIsBMP) {
bIsIFF = VDIsMayaIFFHeader(inputBuffer, data_len);
if (!bIsIFF)
bIsTGA = DecodeTGAHeader(inputBuffer, data_len, w, h, bHasAlpha);
}
}
}
if (!bIsBMP && !bIsTGA && !bIsJPG && !bIsPNG && !bIsIFF)
throw MyError("Image file must be in PNG, Windows BMP, truecolor TARGA format, MayaIFF, or sequential JPEG format.");
if (bIsJPG) {
if (!mpJPEGDecoder)
mpJPEGDecoder = VDCreateJPEGDecoder();
mpJPEGDecoder->Begin(inputBuffer, data_len);
mpJPEGDecoder->DecodeHeader(w, h);
}
VDPixmap pxIFF;
if (bIsIFF) {
if (!mpIFFDecoder)
mpIFFDecoder = VDCreateImageDecoderIFF();
pxIFF = mpIFFDecoder->Decode(inputBuffer, data_len);
w = pxIFF.w;
h = pxIFF.h;
}
// Check image header.
VDAVIBitmapInfoHeader *pFormat = getImageFormat();
if (getFrameBuffer()) {
if (w != pFormat->biWidth || h != pFormat->biHeight) {
vdfastvector<wchar_t> errBuf;
throw MyError("Image \"%ls\" (%dx%d) doesn't match the image dimensions of the first image (%dx%d)."
, mpParent->ComputeFilename(errBuf, frame_num), w, h, pFormat->biWidth, pFormat->biHeight);
}
} else {
if (!AllocFrameBuffer(w * h * 4))
throw MyMemoryError();
pFormat->biSize = sizeof(BITMAPINFOHEADER);
pFormat->biWidth = w;
pFormat->biHeight = h;
pFormat->biPlanes = 1;
pFormat->biCompression = 0xFFFFFFFFUL;
pFormat->biBitCount = 0;
pFormat->biSizeImage = 0;
pFormat->biXPelsPerMeter = 0;
pFormat->biYPelsPerMeter = 0;
pFormat->biClrUsed = 0;
pFormat->biClrImportant = 0;
// special case for initial read in constructor
return NULL;
}
if (bIsJPG) {
int format;
switch(mvbFrameBuffer.depth) {
case 16: format = IVDJPEGDecoder::kFormatXRGB1555; break;
case 24: format = IVDJPEGDecoder::kFormatRGB888; break;
case 32: format = IVDJPEGDecoder::kFormatXRGB8888; break;
}
mpJPEGDecoder->DecodeImage((char *)mvbFrameBuffer.data + mvbFrameBuffer.pitch * (mvbFrameBuffer.h - 1), -mvbFrameBuffer.pitch, format);
mpJPEGDecoder->End();
}
if (bIsIFF)
VDPixmapBlt(getTargetFormat(), pxIFF);
if (bIsBMP)
DecodeBMP(inputBuffer, data_len, mvbFrameBuffer);
if (bIsTGA)
DecodeTGA(inputBuffer, data_len, mvbFrameBuffer);
if (bIsPNG) {
if (!mpPNGDecoder)
mpPNGDecoder = VDCreateImageDecoderPNG();
PNGDecodeError err = mpPNGDecoder->Decode(inputBuffer, data_len);
if (err) {
if (err == kPNGDecodeOutOfMemory)
throw MyMemoryError();
vdfastvector<wchar_t> errBuf;
throw MyError("Error decoding \"%ls\": %ls\n", mpParent->ComputeFilename(errBuf, frame_num), VDLoadString(0, kVDST_PNGDecodeErrors, err));
}
VDPixmapBlt(VDAsPixmap(mvbFrameBuffer), mpPNGDecoder->GetFrameBuffer());
}
mCachedFrame = frame_num;
return mpFrameBuffer;
}
