LRESULT Frameserver::SessionFormat(LPARAM lParam, WPARAM stream) {
FrameserverSession *fs = SessionLookup(lParam);
DubSource *ds;
long len;
if (!fs) return VDSRVERR_BADSESSION;
if (stream<0 || stream>2) return VDSRVERR_NOSTREAM;
ds = stream ? (DubSource *)aSrc : (DubSource *)vSrc;
if (!ds) return VDSRVERR_NOSTREAM;
if (stream) {
len = aSrc->getFormatLen();
if (len > fs->arena_size) return VDSRVERR_TOOBIG;
memcpy(fs->arena, aSrc->getFormat(), len);
} else {
BITMAPINFOHEADER *bmih;
len = sizeof(BITMAPINFOHEADER);
if (len > fs->arena_size) return VDSRVERR_TOOBIG;
memcpy(fs->arena, vSrc->getDecompressedFormat(), len);
bmih = (BITMAPINFOHEADER *)fs->arena;
// bmih->biSize = sizeof(BITMAPINFOHEADER);
bmih->biWidth = filters.LastBitmap()->w;
bmih->biHeight = filters.LastBitmap()->h;
bmih->biPlanes = 1;
bmih->biCompression = BI_RGB;
bmih->biBitCount = 24;
bmih->biSizeImage = ((bmih->biWidth*3+3)&-4)*abs(bmih->biHeight);
bmih->biClrUsed = 0;
bmih->biClrImportant= 0;
}
return len;
}
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;
}
void Frameserver::Go(IVDubServerLink *ivdsl, char *name) {
int server_index = -1;
lpszFsname = name;
// prepare the sources...
if (vSrc) {
if (!vSrc->setTargetFormat(g_dubOpts.video.mInputFormat))
if (!vSrc->setTargetFormat(nsVDPixmap::kPixFormat_XRGB8888))
if (!vSrc->setTargetFormat(nsVDPixmap::kPixFormat_RGB888))
if (!vSrc->setTargetFormat(nsVDPixmap::kPixFormat_XRGB1555))
if (!vSrc->setTargetFormat(nsVDPixmap::kPixFormat_Pal8))
throw MyError("The decompression codec cannot decompress to an RGB format. This is very unusual. Check that any \"Force YUY2\" options are not enabled in the codec's properties.");
vSrc->streamBegin(true, false);
BITMAPINFOHEADER *bmih = vSrc->getDecompressedFormat();
filters.initLinearChain(&g_listFA, (Pixel *)(bmih+1), bmih->biWidth, abs(bmih->biHeight), 24);
if (filters.getFrameLag())
MessageBox(g_hWnd,
"One or more filters in the filter chain has a non-zero lag. This will cause the served "
"video to lag behind the audio!"
, "VirtualDub warning", MB_OK);
fsi.lMicrosecsPerFrame = vInfo.usPerFrame;
fsi.lMicrosecsPerSrcFrame = vInfo.usPerFrameIn;
fsi.flags = 0;
if (filters.ReadyFilters(fsi))
throw MyError("Error readying filters.");
const VBitmap *pvb = filters.LastBitmap();
VDPixmapCreateLinearLayout(mFrameLayout, nsVDPixmap::kPixFormat_RGB888, pvb->w, pvb->h, 4);
VDPixmapLayoutFlipV(mFrameLayout);
}
if (aSrc)
aSrc->streamBegin(true, false);
// usurp the window
VDUIFrame *pFrame = VDUIFrame::GetFrame(hwnd);
mpUIFrame = pFrame;
pFrame->Attach(this);
guiSetTitle(hwnd, IDS_TITLE_FRAMESERVER);
// create dialog box
mbExit = false;
if (hwndStatus = CreateDialogParam(g_hInst, MAKEINTRESOURCE(IDD_SERVER), hwnd, Frameserver::StatusDlgProc, (LPARAM)this)) {
// hide the main window
ShowWindow(hwnd, SW_HIDE);
// create the frameserver
server_index = ivdsl->CreateFrameServer(name, hwnd);
if (server_index>=0) {
// kick us into high priority
SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
// enter window loop
{
MSG msg;
while(!mbExit) {
BOOL result = GetMessage(&msg, NULL, 0, 0);
if (result == (BOOL)-1)
break;
if (!result) {
PostQuitMessage(msg.wParam);
break;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
// return to normal priority
SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
ivdsl->DestroyFrameServer(server_index);
}
if (IsWindow(hwndStatus)) DestroyWindow(hwndStatus);
// show the main window
ShowWindow(hwnd, SW_SHOW);
}
// unsubclass
pFrame->Detach();
if (vSrc) {
vSrc->streamEnd();
}
if (server_index<0) throw MyError("Couldn't create frameserver");
}
