void VDPositionControlW32::UpdateString(VDPosition pos) {
wchar_t buf[512];
if (pos < 0)
pos = mPosition;
bool success = false;
if (mpCB)
success = mpCB->GetFrameString(buf, sizeof buf / sizeof buf[0], pos);
if (!success) {
if (mFrameRate.getLo()) {
int ms, sec, min;
long ticks = (long)mFrameRate.scale64ir(pos * 1000);
ms = ticks %1000; ticks /= 1000;
sec = ticks % 60; ticks /= 60;
min = ticks % 60; ticks /= 60;
success = (unsigned)swprintf(buf, sizeof buf / sizeof buf[0], L" Frame %I64d (%d:%02d:%02d.%03d)", (sint64)pos, ticks, min, sec, ms) < sizeof buf / sizeof buf[0];
} else
success = (unsigned)swprintf(buf, sizeof buf / sizeof buf[0], L" Frame %I64d", (sint64)pos) < sizeof buf / sizeof buf[0];
}
if (success) {
HWND hwndFrame = GetDlgItem(mhwnd, IDC_FRAME);
VDSetWindowTextW32(hwndFrame, buf);
}
}
void VDInputFileFLM::Init(const wchar_t *filename) {
bool valid = false;
mFile.open(filename, nsVDFile::kRead | nsVDFile::kDenyWrite | nsVDFile::kOpenExisting);
sint64 fsize = mFile.size();
FilmstripHeader mHeader;
if (fsize >= 36) {
mFile.seek(fsize - 36);
char hdrbuf[36];
mFile.read(hdrbuf, 36);
mHeader.Read(hdrbuf);
if (mHeader.Validate()) {
mFrameSize = (uint32)mHeader.width * ((uint32)mHeader.height + (uint32)mHeader.leading) * 4;
if ((uint64)mFrameSize * (uint16)mHeader.numFrames + 36 <= fsize)
valid = true;
}
}
if (!valid)
throw MyError("%ls does not appear to be a valid Adobe filmstrip file.", mFile.getFilenameForError());
mVisibleFrameSize = (uint32)mHeader.width * (uint32)mHeader.height * 4;
mFrameWidth = (uint32)mHeader.width;
mFrameHeight = (uint32)mHeader.height;
mFrameCount = (uint32)mHeader.numFrames;
mFrameRate.Assign((uint32)mHeader.framesPerSec, 1);
}
sint32 VDVideoFilterInput::Prepare() {
VDPixmap& outformat = *mpContext->mpOutput->mpFormat;
const BITMAPINFOHEADER& srcformat = *mpSource->getDecompressedFormat();
outformat.w = srcformat.biWidth;
outformat.h = srcformat.biHeight;
outformat.format = nsVDPixmap::kPixFormat_XRGB8888;
const VDFraction rate(mpSource->asStream()->getRate());
mpContext->mpOutput->mFrameRateHi = rate.getHi();
mpContext->mpOutput->mFrameRateLo = rate.getLo();
mpContext->mpOutput->mLength = mpSource->asStream()->getLength();
mpContext->mpOutput->mStart = 0;
return 0;
}
sint64 VDAudioFilterNewRate::Seek(sint64 us) {
mOutputBuffer.Flush();
mpContext->mpOutputs[0]->mCurrentLevel = 0;
return mRatio.scale64r(us);
}
void VDVideoWindow::SetSourcePAR(const VDFraction& fr) {
mSourcePAR = 0;
if (fr.getLo())
mSourcePAR = fr.asDouble();
UpdateSourcePARMenuItem();
}
void VDRenderFrameMap::Init(const vdfastvector<IVDVideoSource *>& videoSources, VDPosition nSrcStart, VDFraction srcStep, const FrameSubset *pSubset, VDPosition nFrameCount, bool bDirect) {
VDPosition directLast = -1;
int sourceLast = -1;
IVDVideoSource *pVS = NULL;
VDPosition len = 0;
mFrameMap.reserve((size_t)nFrameCount);
for(VDPosition frame = 0; frame < nFrameCount; ++frame) {
VDPosition timelineFrame = nSrcStart + srcStep.scale64t(frame);
VDPosition srcFrame = timelineFrame;
int source = 0;
if (pSubset) {
bool masked;
srcFrame = pSubset->lookupFrame((int)srcFrame, masked, source);
if (srcFrame < 0)
break;
} else {
if (srcFrame < 0 || srcFrame >= len)
break;
}
if (sourceLast != source) {
sourceLast = source;
pVS = videoSources[source];
len = pVS->asStream()->getLength();
directLast = -1;
}
// we need to preserve this so filter timing isn't screwed up across drop frames
VDPosition origSrcFrame = srcFrame;
srcFrame = pVS->getRealDisplayFrame(srcFrame);
if (bDirect) {
VDPosition key = pVS->nearestKey((LONG)srcFrame);
if (directLast < key)
directLast = key;
else if (directLast > srcFrame)
directLast = key;
else {
while(directLast < srcFrame) {
++directLast;
if (pVS->getDropType(directLast) != VideoSource::kDroppable)
break;
}
}
srcFrame = directLast;
}
FrameEntry ent;
ent.mSrcIndex = source;
ent.mTimelineFrame = timelineFrame;
ent.mDisplayFrame = srcFrame;
ent.mOrigDisplayFrame = origSrcFrame;
mFrameMap.push_back(ent);
}
mMaxFrame = mFrameMap.size();
mInvalidEntry.mSrcIndex = -1;
mInvalidEntry.mTimelineFrame = -1;
mInvalidEntry.mDisplayFrame = -1;
}
