Method OutputAlphaFrame

src/vapoursynth/vapoursource4.cpp:403–407

}

void VSVideoSource4::OutputAlphaFrame(const FFMS_Frame *Frame, int Plane, VSFrame *Dst, const VSAPI *vsapi) {
    const VSVideoFormat *fi = vsapi->getVideoFrameFormat(Dst);
    vsh::bitblt(vsapi->getWritePtr(Dst, 0), vsapi->getStride(Dst, 0), Frame->Data[Plane], Frame->Linesize[Plane],
        vsapi->getFrameWidth(Dst, 0) * fi->bytesPerSample, vsapi->getFrameHeight(Dst, 0));
}