void tryGraph() {
if (type != Graph || !graph.initialize(option, in->format().size(), in->format().imgfmt())
|| !graph.push(in->mpi()))
return;
while (auto out = graph.pull())
push(out);
}
void split() {
static const VideoFrame::Field field[] = {VideoFrame::Bottom, VideoFrame::Top};
const bool topFirst = in->mpi()->fields & MP_IMGFIELD_TOP_FIRST;
push(field[topFirst]);
if (deint.doubler)
push(field[!topFirst] | VideoFrame::Additional);
}
bool VaApiPostProcessor::process(const VideoFrame &in, QLinkedList<VideoFrame> &queue) {
if (!d->pipeline)
return false;
auto surface = VaApiSurfacePool::getSurface(in.mpi());
if (!surface)
return false;
mp_image *out1 = nullptr, *out2 = nullptr;
out1 = d->pipeline->render(in, d->setupDeint(in.mpi()->fields, true));
if (d->deint.doubler && d->deint.method != DeintMethod::None)
out2 = d->pipeline->render(in, d->setupDeint(in.mpi()->fields, false));
if (out1)
queue.push_back(VideoFrame(true, out1, nextPTS(), in.field() & ~VideoFrame::Interlaced));
if (out2)
queue.push_back(VideoFrame(true, out2, nextPTS(), in.field() & ~VideoFrame::Interlaced));
return out1 || out2;
}
void tryPostProc() {
if (type != PP || !pp.initialize(option, in->format().size(), in->format().imgfmt()))
return;
const bool topFirst = in->mpi()->fields & MP_IMGFIELD_TOP_FIRST;
push(topFirst ? topField() : bottomField());
if (deint.doubler)
push(!topFirst ? topField() : bottomField());
}
mp_image *bottomField() const {
auto inm = in->mpi();
auto out = pp.newImage(inm);
inm->planes[0] += inm->stride[0];
out->planes[0] += out->stride[0];
inm->h -= 2;
out->h -= 2;
pp.process(out, inm);
out->planes[0] -= out->stride[0];
inm->planes[0] -= inm->stride[0];
out->h += 2;
inm->h += 2;
return out;
}
bool SoftwareDeinterlacer::process(const VideoFrame &in, QLinkedList<VideoFrame> &queue) {
if (!(in.mpi()->fields & MP_IMGFIELD_INTERLACED))
return 0;
if (d->prev != MP_NOPTS_VALUE && ((in.pts() < d->prev) || (in.pts() - d->prev > 0.5))) // reset
d->prev = MP_NOPTS_VALUE;
d->in = ∈
d->queue = &queue;
switch (d->type) {
case Mark:
d->split();
break;
case Graph:
d->tryGraph();
break;
case PP:
d->tryPostProc();
break;
default:
return 0;
}
return d->pushed;
}
mp_image *topField() const {
auto out = pp.newImage(in->mpi());
pp.process(out, in->mpi());
return out;
}
void push(int field) {
queue->push_back(VideoFrame(false, in->mpi(), p->nextPTS(), field | (in->field() & ~VideoFrame::Interlaced)));
++pushed;
}
