// top, left, width and depth are coords of UV pixels
FrameSection GetFrameSection(
mfxFrameSurface1 *pSurface,
const Region& r)
{
// This is one frame, so for the entire region we want to write 1 row
// to give us our m*n*6 attributes. It doesn't really matter the
// order, because based on analysis of the data PLR or other
// machine learning algo will drop (potentially) attributes
mfxFrameInfo *pInfo = &pSurface->Info;
mfxFrameData *pData = &pSurface->Data;
FrameSection ret; //( (height+1) * (width+1) );
std::stringstream ss;
const char* sep = "";
for(mfxU32 ix = r.topRow() ; ix <= r.bottomRow(); ++ix)
for(mfxU32 iy = r.leftCol(); iy <= r.rightCol(); ++iy)
{
UVPixel uv(pInfo, pData,ix,iy);
ss << sep << uv.getAttr();
sep = ",";
//fprintf(fdebug, "getFrameSection\n");
//uv.fprint(fdebug);
// ret[...] =
ret.push_back(uv);
}
ss << std::endl;
fprintf(r.file(), ss.str().c_str());
return ret;
}
