From 4d02a2d2c0451b4de1f6de3bbce54c457cacebe2 Mon Sep 17 00:00:00 2001 From: gdkchan Date: Sun, 12 Jul 2020 00:07:01 -0300 Subject: New NVDEC and VIC implementation (#1384) * Initial NVDEC and VIC implementation * Update FFmpeg.AutoGen to 4.3.0 * Add nvdec dependencies for Windows * Unify some VP9 structures * Rename VP9 structure fields * Improvements to Video API * XML docs for Common.Memory * Remove now unused or redundant overloads from MemoryAccessor * NVDEC UV surface read/write scalar paths * Add FIXME comments about hacky things/stuff that will need to be fixed in the future * Cleaned up VP9 memory allocation * Remove some debug logs * Rename some VP9 structs * Remove unused struct * No need to compile Ryujinx.Graphics.Host1x with unsafe anymore * Name AsyncWorkQueue threads to make debugging easier * Make Vp9PictureInfo a ref struct * LayoutConverter no longer needs the depth argument (broken by rebase) * Pooling of VP9 buffers, plus fix a memory leak on VP9 * Really wish VS could rename projects properly... * Address feedback * Remove using * Catch OperationCanceledException * Add licensing informations * Add THIRDPARTY.md to release too Co-authored-by: Thog --- Ryujinx.Graphics.Nvdec/H264Decoder.cs | 43 +++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Ryujinx.Graphics.Nvdec/H264Decoder.cs (limited to 'Ryujinx.Graphics.Nvdec/H264Decoder.cs') diff --git a/Ryujinx.Graphics.Nvdec/H264Decoder.cs b/Ryujinx.Graphics.Nvdec/H264Decoder.cs new file mode 100644 index 00000000..57ce12d0 --- /dev/null +++ b/Ryujinx.Graphics.Nvdec/H264Decoder.cs @@ -0,0 +1,43 @@ +using Ryujinx.Graphics.Nvdec.H264; +using Ryujinx.Graphics.Nvdec.Image; +using Ryujinx.Graphics.Nvdec.Types.H264; +using Ryujinx.Graphics.Video; +using System; + +namespace Ryujinx.Graphics.Nvdec +{ + static class H264Decoder + { + private const int MbSizeInPixels = 16; + + private static readonly Decoder _decoder = new Decoder(); + + public unsafe static void Decode(NvdecDevice device, ResourceManager rm, ref NvdecRegisters state) + { + PictureInfo pictureInfo = rm.Gmm.DeviceRead(state.SetPictureInfoOffset); + H264PictureInfo info = pictureInfo.Convert(); + + ReadOnlySpan bitstream = rm.Gmm.DeviceGetSpan(state.SetBitstreamOffset, (int)pictureInfo.BitstreamSize); + + int width = (int)pictureInfo.PicWidthInMbs * MbSizeInPixels; + int height = (int)pictureInfo.PicHeightInMbs * MbSizeInPixels; + + ISurface outputSurface = rm.Cache.Get(_decoder, CodecId.H264, 0, 0, width, height); + + if (_decoder.Decode(ref info, outputSurface, bitstream)) + { + int li = (int)pictureInfo.LumaOutputSurfaceIndex; + int ci = (int)pictureInfo.ChromaOutputSurfaceIndex; + + uint lumaOffset = state.SetSurfaceLumaOffset[li]; + uint chromaOffset = state.SetSurfaceChromaOffset[ci]; + + SurfaceWriter.Write(rm.Gmm, outputSurface, lumaOffset, chromaOffset); + + device.OnFrameDecoded(CodecId.H264, lumaOffset, chromaOffset); + } + + rm.Cache.Put(outputSurface); + } + } +} -- cgit v1.2.3