Example #1
0
static const VSFrameRef *VS_CC mvsuperGetFrame(int32_t n, int32_t activationReason, void **instanceData, void **frameData, VSFrameContext *frameCtx, VSCore *core, const VSAPI *vsapi) {
	MVSuperData *d = reinterpret_cast<MVSuperData *>(*instanceData);
	if (activationReason == arInitial) {
		vsapi->requestFrameFilter(n, d->node, frameCtx);
		if (d->usePelClip)
			vsapi->requestFrameFilter(n, d->pelclip, frameCtx);
	}
	else if (activationReason == arAllFramesReady) {
		const VSFrameRef *src = vsapi->getFrameFilter(n, d->node, frameCtx);
		const uint8_t *pSrc[3] = { nullptr };
		uint8_t *pDst[3] = { nullptr };
		const uint8_t *pSrcPel[3] = { nullptr };
		int32_t nSrcPitch[3] = { 0 };
		int32_t nDstPitch[3] = { 0 };
		int32_t nSrcPelPitch[3] = { 0 };
		const VSFrameRef *srcPel = nullptr;
		if (d->usePelClip)
			srcPel = vsapi->getFrameFilter(n, d->pelclip, frameCtx);
		VSFrameRef *dst = vsapi->newVideoFrame(d->vi.format, d->vi.width, d->vi.height, src, core);
		for (int32_t plane = 0; plane < d->vi.format->numPlanes; ++plane) {
			pSrc[plane] = vsapi->getReadPtr(src, plane);
			nSrcPitch[plane] = vsapi->getStride(src, plane);
			pDst[plane] = vsapi->getWritePtr(dst, plane);
			nDstPitch[plane] = vsapi->getStride(dst, plane);
			memset(pDst[plane], 0, nDstPitch[plane] * vsapi->getFrameHeight(dst, plane));
		}
		MVGroupOfFrames *pSrcGOF = new MVGroupOfFrames(d->nLevels, d->nWidth, d->nHeight, d->nPel, d->nHPad, d->nVPad, d->nModeYUV, d->xRatioUV, d->yRatioUV);
		pSrcGOF->Update(d->nModeYUV, pDst[0], nDstPitch[0], pDst[1], nDstPitch[1], pDst[2], nDstPitch[2]);
		MVPlaneSet planes[3] = { YPLANE, UPLANE, VPLANE };
		for (int32_t plane = 0; plane < d->vi.format->numPlanes; ++plane)
			pSrcGOF->SetPlane(pSrc[plane], nSrcPitch[plane], planes[plane]);
		pSrcGOF->Reduce(d->nModeYUV, d->rfilter);
		pSrcGOF->Pad(d->nModeYUV);
		if (d->usePelClip) {
			MVFrame *srcFrames = pSrcGOF->GetFrame(0);
			for (int32_t plane = 0; plane < d->vi.format->numPlanes; ++plane) {
				pSrcPel[plane] = vsapi->getReadPtr(srcPel, plane);
				nSrcPelPitch[plane] = vsapi->getStride(srcPel, plane);
				MVPlane *srcPlane = srcFrames->GetPlane(planes[plane]);
				if (d->nModeYUV & planes[plane])
					srcPlane->RefineExt(pSrcPel[plane], nSrcPelPitch[plane], d->isPelClipPadded);
			}
		}
		else
			pSrcGOF->Refine(d->nModeYUV, d->sharp);
		vsapi->freeFrame(src);
		if (d->usePelClip)
			vsapi->freeFrame(srcPel);
		delete pSrcGOF;
		if (n == 0) {
			VSMap *props = vsapi->getFramePropsRW(dst);
			vsapi->propSetInt(props, "Super_height", d->nHeight, paReplace);
			vsapi->propSetInt(props, "Super_hpad", d->nHPad, paReplace);
			vsapi->propSetInt(props, "Super_vpad", d->nVPad, paReplace);
			vsapi->propSetInt(props, "Super_pel", d->nPel, paReplace);
			vsapi->propSetInt(props, "Super_modeyuv", d->nModeYUV, paReplace);
			vsapi->propSetInt(props, "Super_levels", d->nLevels, paReplace);
		}
		return dst;
	}
	return nullptr;
}