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bestsource: Switch to manual sws_scale

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This was to work with ffmpeg 4.4, but it also saves one frame copy
operation. It does, however, lose the slice threading.
This commit is contained in:
arch1t3cht 2022-08-08 03:32:33 +02:00
parent e4261faf73
commit 4c6e3527d4
1 changed files with 7 additions and 8 deletions
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15
src/video_provider_bestsource.cpp
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@ -155,7 +155,6 @@ void BSVideoProvider::GetFrame(int n, VideoFrame &out) {
throw VideoDecodeError("Couldn't read frame!");
}
const AVFrame *frame = bsframe->GetAVFrame();
AVFrame *newframe = av_frame_alloc();
SwsContext *context = sws_getContext(
frame->width, frame->height, (AVPixelFormat) frame->format, // TODO figure out aegi's color space forcing.
@ -166,17 +165,17 @@ void BSVideoProvider::GetFrame(int n, VideoFrame &out) {
throw VideoDecodeError("Couldn't convert frame!");
}
sws_scale_frame(context, newframe, frame);
out.data.resize(frame->width * frame->height * 4);
uint8_t *data[1] = {&out.data[0]};
int stride[1] = {frame->width * 4};
sws_scale(context, frame->data, frame->linesize, 0, frame->height, data, stride);
out.width = newframe->width;
out.height = newframe->height;
out.pitch = newframe->width * 4;
out.width = frame->width;
out.height = frame->height;
out.pitch = stride[0];
out.flipped = false; // TODO figure out flipped
out.data.assign(newframe->data[0], newframe->data[0] + newframe->linesize[0] * newframe->height);
sws_freeContext(context);
av_frame_free(&newframe);
}
}