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 <me@thog.eu>
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Ryujinx.Graphics.Nvdec/H264Decoder.cs
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Ryujinx.Graphics.Nvdec/H264Decoder.cs
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using Ryujinx.Graphics.Nvdec.H264;
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using Ryujinx.Graphics.Nvdec.Image;
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using Ryujinx.Graphics.Nvdec.Types.H264;
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using Ryujinx.Graphics.Video;
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using System;
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namespace Ryujinx.Graphics.Nvdec
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{
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static class H264Decoder
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{
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private const int MbSizeInPixels = 16;
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private static readonly Decoder _decoder = new Decoder();
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public unsafe static void Decode(NvdecDevice device, ResourceManager rm, ref NvdecRegisters state)
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{
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PictureInfo pictureInfo = rm.Gmm.DeviceRead<PictureInfo>(state.SetPictureInfoOffset);
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H264PictureInfo info = pictureInfo.Convert();
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ReadOnlySpan<byte> bitstream = rm.Gmm.DeviceGetSpan(state.SetBitstreamOffset, (int)pictureInfo.BitstreamSize);
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int width = (int)pictureInfo.PicWidthInMbs * MbSizeInPixels;
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int height = (int)pictureInfo.PicHeightInMbs * MbSizeInPixels;
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ISurface outputSurface = rm.Cache.Get(_decoder, CodecId.H264, 0, 0, width, height);
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if (_decoder.Decode(ref info, outputSurface, bitstream))
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{
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int li = (int)pictureInfo.LumaOutputSurfaceIndex;
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int ci = (int)pictureInfo.ChromaOutputSurfaceIndex;
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uint lumaOffset = state.SetSurfaceLumaOffset[li];
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uint chromaOffset = state.SetSurfaceChromaOffset[ci];
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SurfaceWriter.Write(rm.Gmm, outputSurface, lumaOffset, chromaOffset);
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device.OnFrameDecoded(CodecId.H264, lumaOffset, chromaOffset);
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}
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rm.Cache.Put(outputSurface);
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}
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}
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}
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