void HDevice::ConvertVideoSettings()
{
VIDEOINFOHEADER *vih = (VIDEOINFOHEADER*)videoMediaType->pbFormat;
BITMAPINFOHEADER *bmih = GetBitmapInfoHeader(videoMediaType);
if (bmih) {
Debug(L"Video media type changed");
videoConfig.cx = bmih->biWidth;
videoConfig.cy = bmih->biHeight;
videoConfig.frameInterval = vih->AvgTimePerFrame;
bool same = videoConfig.internalFormat == videoConfig.format;
GetMediaTypeVFormat(videoMediaType, videoConfig.internalFormat);
if (same)
videoConfig.format = videoConfig.internalFormat;
}
}
/* Note: DEVICE_VideoInfo is not to be confused with Device::VideoInfo */
static bool Get_FORMAT_VideoInfo_Data(VideoInfo &info,
const AM_MEDIA_TYPE &mt, const BYTE *data)
{
const VIDEO_STREAM_CONFIG_CAPS *vscc;
const VIDEOINFOHEADER *viHeader;
const BITMAPINFOHEADER *bmiHeader;
VideoFormat format;
vscc = reinterpret_cast<const VIDEO_STREAM_CONFIG_CAPS*>(data);
viHeader = reinterpret_cast<const VIDEOINFOHEADER*>(mt.pbFormat);
bmiHeader = &viHeader->bmiHeader;
if (!GetMediaTypeVFormat(mt, format))
return false;
if (vscc) {
info.format = format;
info.minInterval = vscc->MinFrameInterval;
info.maxInterval = vscc->MaxFrameInterval;
info.minCX = vscc->MinOutputSize.cx;
info.minCY = vscc->MinOutputSize.cy;
info.maxCX = vscc->MaxOutputSize.cx;
info.maxCY = vscc->MaxOutputSize.cy;
if (!info.minCX || !info.minCY ||
!info.maxCX || !info.maxCY) {
info.minCX = info.maxCX = bmiHeader->biWidth;
info.minCY = info.maxCY = bmiHeader->biHeight;
}
info.granularityCX = max(vscc->OutputGranularityX, 1);
info.granularityCY = max(vscc->OutputGranularityY, 1);
} else {
/* TODO, handling of terrible devices goes here */
return false;
}
return true;
}
