HRESULT TffdshowDecVideoDXVA::setOutputMediaType(const CMediaType &mt)
{
DPRINTF(_l("TffdshowDecVideoDXVA::setOutputMediaType"));
TvideoCodecDec *pDecoder=NULL;
getMovieSource((const TvideoCodecDec**)&pDecoder);
TcspInfos ocsps;
// DXVA mode : special output format
TvideoCodecLibavcodecDxva *pDecoderDxva = (TvideoCodecLibavcodecDxva*)pDecoder;
pDecoderDxva->getDXVAOutputFormats(ocsps);
for (int i=0; cspFccs[i].name; i++) {
const TcspInfo *cspInfo;
// Look for the right DXVA colorspace
bool ok=false;
for (TcspInfos::const_iterator oc=ocsps.begin(); oc!=ocsps.end(); oc++) {
if (mt.subtype==*(*oc)->subtype) {
cspInfo=(const TcspInfo *)(*oc);
ok=true;
break;
}
}
if (!ok) {
continue;
}
m_frame.dstColorspace=FF_CSP_NV12;
int biWidth,outDy;
BITMAPINFOHEADER *bih;
if (mt.formattype==FORMAT_VideoInfo && mt.pbFormat) { // && mt.pbFormat = work around other filter's bug.
VIDEOINFOHEADER *vih=(VIDEOINFOHEADER*)mt.pbFormat;
m_frame.dstStride=calcBIstride(biWidth=vih->bmiHeader.biWidth,cspInfo->Bpp*8);
outDy=vih->bmiHeader.biHeight;
bih=&vih->bmiHeader;
} else if (mt.formattype==FORMAT_VideoInfo2 && mt.pbFormat) {
VIDEOINFOHEADER2 *vih2=(VIDEOINFOHEADER2*)mt.pbFormat;
m_frame.dstStride=calcBIstride(biWidth=vih2->bmiHeader.biWidth,cspInfo->Bpp*8);
outDy=vih2->bmiHeader.biHeight;
bih=&vih2->bmiHeader;
} else {
return VFW_E_TYPE_NOT_ACCEPTED; //S_FALSE;
}
m_frame.dstSize=DIBSIZE(*bih);
char_t s[256];
DPRINTF(_l("TffdshowDecVideoDXVA::setOutputMediaType: colorspace:%s, biWidth:%i, dstStride:%i, Bpp:%i, dstSize:%i"),csp_getName(m_frame.dstColorspace,s,256),biWidth,m_frame.dstStride,cspInfo->Bpp,m_frame.dstSize);
if (csp_isRGB(m_frame.dstColorspace) && outDy>0) {
m_frame.dstColorspace|=FF_CSP_FLAGS_VFLIP;
}
//else if (biheight<0)
// m_frame.colorspace|=FF_CSP_FLAGS_VFLIP;
return S_OK;
}
m_frame.dstColorspace=FF_CSP_NULL;
DPRINTF(_l("TffdshowDecVideoDXVA::setOutputMediaType Type not supported by FFDShow DXVA"));
return VFW_E_TYPE_NOT_ACCEPTED; //S_FALSE;
}
bool csp_inFOURCCmask(int x,FOURCC fcc)
{
switch (fcc)
{
case FOURCC_MASK_YUV:return !!csp_isYUV(x);
case FOURCC_MASK_RGB:return !!csp_isRGB(x);
case FOURCC_MASK_PAL:return !!csp_isPAL(x);
default:return false;
}
}
