diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/host1x/nx2_video_decoder.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/video_core/host1x/nx2_video_decoder.cpp b/src/video_core/host1x/nx2_video_decoder.cpp index 87265ee6f6..86869ad5e2 100644 --- a/src/video_core/host1x/nx2_video_decoder.cpp +++ b/src/video_core/host1x/nx2_video_decoder.cpp @@ -226,6 +226,20 @@ void Nx2VideoDecoder::Render(const Nx2Picture& picture, Nx2PictureFormat format, const AVPixelFormat target = format == Nx2PictureFormat::Nv12 ? AV_PIX_FMT_NV12 : format == Nx2PictureFormat::Rgba8 ? AV_PIX_FMT_RGBA : AV_PIX_FMT_BGRA; + // Frames copied back from a host GPU decoder are already NV12. Copy them as they are: + // FFmpeg 6.1's swscale leaves the chroma plane of an NV12 to NV12 copy at zero, which shows + // the movies green. + if (target == AV_PIX_FMT_NV12 && f->format == AV_PIX_FMT_NV12 && + static_cast<u32>(f->width) == width && static_cast<u32>(f->height) == height) { + for (u32 y = 0; y < height; ++y) { + std::memcpy(out.data() + y * pitch, f->data[0] + y * f->linesize[0], width); + } + for (u32 y = 0; y < (height + 1) / 2; ++y) { + std::memcpy(out.data() + chroma_offset + y * pitch, f->data[1] + y * f->linesize[1], + width); + } + return; + } impl->scaler = sws_getCachedContext(impl->scaler, f->width, f->height, static_cast<AVPixelFormat>(f->format), static_cast<int>(width), static_cast<int>(height), target, |