LRESULT Frameserver::SessionAudioInfo(LPARAM lParam, WPARAM lStart) {
FrameserverSession *fs = SessionLookup(lParam);
if (!fs) return VDSRVERR_BADSESSION;
LONG lCount = *(LONG *)fs->arena;
LONG cbBuffer = *(LONG *)(fs->arena+4);
if (lStart < 0)
return VDSRVERR_FAILED;
if (lStart + lCount > lAudioSamples)
lCount = lAudioSamples - lStart;
if (lCount < 0)
lCount = 0;
*(LONG *)(fs->arena + 0) = aSrc->getWaveFormat()->nBlockAlign * lCount;
*(LONG *)(fs->arena + 4) = lCount;
return VDSRVERR_OK;
}
LRESULT Frameserver::WndProc( HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
switch (message) {
case WM_CLOSE:
DestroyWindow(hWnd);
break;
case WM_DESTROY: // message: window being destroyed
mbExit = true;
break;
case VDSRVM_BIGGEST:
{
long size=sizeof(AVISTREAMINFO);
if (vSrc) {
if (size < sizeof(BITMAPINFOHEADER))
size = sizeof(BITMAPINFOHEADER);
if (size < filters.OutputBitmap()->size)
size = filters.OutputBitmap()->size;
}
if (aSrc) {
if (size < aSrc->getWaveFormat()->nAvgBytesPerSec)
size = aSrc->getWaveFormat()->nAvgBytesPerSec;
if (aSrc->getFormatLen()>size)
size=aSrc->getFormatLen();
}
if (size < 65536) size=65536;
VDDEBUG("VDSRVM_BIGGEST: allocate a frame of size %ld bytes\n", size);
return size;
}
case VDSRVM_OPEN:
++lRequestCount;
VDDEBUG("VDSRVM_OPEN(arena size %ld, mmap ID %08lx)\n", wParam, lParam);
return SessionOpen(lParam, wParam);
case VDSRVM_CLOSE:
++lRequestCount;
VDDEBUG("[session %08lx] VDSRVM_CLOSE()\n", lParam);
return SessionClose(lParam);
case VDSRVM_REQ_STREAMINFO:
++lRequestCount;
VDDEBUG("[session %08lx] VDSRVM_REQ_STREAMINFO(stream %d)\n", lParam, wParam);
return SessionStreamInfo(lParam, wParam);
case VDSRVM_REQ_FORMAT:
++lRequestCount;
VDDEBUG("[session %08lx] VDSRVM_REQ_FORMAT(stream %d)\n", lParam, wParam);
return SessionFormat(lParam, wParam);
case VDSRVM_REQ_FRAME:
++lFrameCount;
VDDEBUG("[session %08lx] VDSRVM_REQ_FRAME(sample %ld)\n", lParam, wParam);
return SessionFrame(lParam, wParam);
case VDSRVM_REQ_AUDIO:
++lAudioSegCount;
return SessionAudio(lParam, wParam);
case VDSRVM_REQ_AUDIOINFO:
++lAudioSegCount;
VDDEBUG("[session %08lx] VDSRVM_REQ_AUDIOINFO(sample %ld)\n", lParam, wParam);
return SessionAudioInfo(lParam, wParam);
default:
return mpUIFrame->DefProc(hWnd, message, wParam, lParam);
}
return (0);
}
