266 lines
11 KiB
C#
266 lines
11 KiB
C#
using Ryujinx.Graphics.Gpu;
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using Ryujinx.Graphics.Vic;
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using System;
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namespace Ryujinx.Graphics.VDec
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{
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unsafe class VideoDecoder
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{
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private H264Decoder _h264Decoder;
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private Vp9Decoder _vp9Decoder;
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private VideoCodec _currentVideoCodec;
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private ulong _decoderContextAddress;
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private ulong _frameDataAddress;
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private ulong _vpxCurrLumaAddress;
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private ulong _vpxRef0LumaAddress;
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private ulong _vpxRef1LumaAddress;
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private ulong _vpxRef2LumaAddress;
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private ulong _vpxCurrChromaAddress;
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private ulong _vpxRef0ChromaAddress;
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private ulong _vpxRef1ChromaAddress;
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private ulong _vpxRef2ChromaAddress;
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private ulong _vpxProbTablesAddress;
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public VideoDecoder()
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{
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_h264Decoder = new H264Decoder();
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_vp9Decoder = new Vp9Decoder();
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}
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public void Process(GpuContext gpu, int methodOffset, int[] arguments)
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{
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VideoDecoderMeth method = (VideoDecoderMeth)methodOffset;
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switch (method)
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{
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case VideoDecoderMeth.SetVideoCodec: SetVideoCodec(arguments); break;
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case VideoDecoderMeth.Execute: Execute(gpu); break;
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case VideoDecoderMeth.SetDecoderCtxAddr: SetDecoderCtxAddr(arguments); break;
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case VideoDecoderMeth.SetFrameDataAddr: SetFrameDataAddr(arguments); break;
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case VideoDecoderMeth.SetVpxCurrLumaAddr: SetVpxCurrLumaAddr(arguments); break;
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case VideoDecoderMeth.SetVpxRef0LumaAddr: SetVpxRef0LumaAddr(arguments); break;
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case VideoDecoderMeth.SetVpxRef1LumaAddr: SetVpxRef1LumaAddr(arguments); break;
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case VideoDecoderMeth.SetVpxRef2LumaAddr: SetVpxRef2LumaAddr(arguments); break;
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case VideoDecoderMeth.SetVpxCurrChromaAddr: SetVpxCurrChromaAddr(arguments); break;
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case VideoDecoderMeth.SetVpxRef0ChromaAddr: SetVpxRef0ChromaAddr(arguments); break;
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case VideoDecoderMeth.SetVpxRef1ChromaAddr: SetVpxRef1ChromaAddr(arguments); break;
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case VideoDecoderMeth.SetVpxRef2ChromaAddr: SetVpxRef2ChromaAddr(arguments); break;
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case VideoDecoderMeth.SetVpxProbTablesAddr: SetVpxProbTablesAddr(arguments); break;
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}
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}
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private void SetVideoCodec(int[] arguments)
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{
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_currentVideoCodec = (VideoCodec)arguments[0];
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}
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private void Execute(GpuContext gpu)
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{
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if (_currentVideoCodec == VideoCodec.H264)
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{
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int frameDataSize = gpu.MemoryAccessor.ReadInt32(_decoderContextAddress + 0x48);
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H264ParameterSets Params = gpu.MemoryAccessor.Read<H264ParameterSets>(_decoderContextAddress + 0x58);
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H264Matrices matrices = new H264Matrices()
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{
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ScalingMatrix4 = gpu.MemoryAccessor.ReadBytes(_decoderContextAddress + 0x1c0, 6 * 16),
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ScalingMatrix8 = gpu.MemoryAccessor.ReadBytes(_decoderContextAddress + 0x220, 2 * 64)
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};
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byte[] frameData = gpu.MemoryAccessor.ReadBytes(_frameDataAddress, (ulong)frameDataSize);
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_h264Decoder.Decode(Params, matrices, frameData);
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}
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else if (_currentVideoCodec == VideoCodec.Vp9)
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{
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int frameDataSize = gpu.MemoryAccessor.ReadInt32(_decoderContextAddress + 0x30);
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Vp9FrameKeys keys = new Vp9FrameKeys()
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{
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CurrKey = (long)gpu.MemoryManager.Translate(_vpxCurrLumaAddress),
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Ref0Key = (long)gpu.MemoryManager.Translate(_vpxRef0LumaAddress),
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Ref1Key = (long)gpu.MemoryManager.Translate(_vpxRef1LumaAddress),
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Ref2Key = (long)gpu.MemoryManager.Translate(_vpxRef2LumaAddress)
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};
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Vp9FrameHeader header = gpu.MemoryAccessor.Read<Vp9FrameHeader>(_decoderContextAddress + 0x48);
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Vp9ProbabilityTables probs = new Vp9ProbabilityTables()
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{
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SegmentationTreeProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x387, 0x7),
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SegmentationPredProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x38e, 0x3),
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Tx8x8Probs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x470, 0x2),
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Tx16x16Probs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x472, 0x4),
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Tx32x32Probs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x476, 0x6),
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CoefProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x5a0, 0x900),
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SkipProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x537, 0x3),
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InterModeProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x400, 0x1c),
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InterpFilterProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x52a, 0x8),
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IsInterProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x41c, 0x4),
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CompModeProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x532, 0x5),
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SingleRefProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x580, 0xa),
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CompRefProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x58a, 0x5),
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YModeProbs0 = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x480, 0x20),
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YModeProbs1 = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x47c, 0x4),
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PartitionProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x4e0, 0x40),
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MvJointProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x53b, 0x3),
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MvSignProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x53e, 0x3),
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MvClassProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x54c, 0x14),
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MvClass0BitProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x540, 0x3),
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MvBitsProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x56c, 0x14),
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MvClass0FrProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x560, 0xc),
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MvFrProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x542, 0x6),
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MvClass0HpProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x548, 0x2),
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MvHpProbs = gpu.MemoryAccessor.ReadBytes(_vpxProbTablesAddress + 0x54a, 0x2)
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};
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byte[] frameData = gpu.MemoryAccessor.ReadBytes(_frameDataAddress, (ulong)frameDataSize);
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_vp9Decoder.Decode(keys, header, probs, frameData);
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}
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else
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{
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ThrowUnimplementedCodec();
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}
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}
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private void SetDecoderCtxAddr(int[] arguments)
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{
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_decoderContextAddress = GetAddress(arguments);
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}
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private void SetFrameDataAddr(int[] arguments)
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{
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_frameDataAddress = GetAddress(arguments);
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}
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private void SetVpxCurrLumaAddr(int[] arguments)
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{
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_vpxCurrLumaAddress = GetAddress(arguments);
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}
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private void SetVpxRef0LumaAddr(int[] arguments)
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{
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_vpxRef0LumaAddress = GetAddress(arguments);
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}
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private void SetVpxRef1LumaAddr(int[] arguments)
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{
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_vpxRef1LumaAddress = GetAddress(arguments);
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}
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private void SetVpxRef2LumaAddr(int[] arguments)
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{
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_vpxRef2LumaAddress = GetAddress(arguments);
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}
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private void SetVpxCurrChromaAddr(int[] arguments)
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{
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_vpxCurrChromaAddress = GetAddress(arguments);
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}
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private void SetVpxRef0ChromaAddr(int[] arguments)
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{
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_vpxRef0ChromaAddress = GetAddress(arguments);
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}
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private void SetVpxRef1ChromaAddr(int[] arguments)
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{
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_vpxRef1ChromaAddress = GetAddress(arguments);
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}
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private void SetVpxRef2ChromaAddr(int[] arguments)
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{
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_vpxRef2ChromaAddress = GetAddress(arguments);
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}
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private void SetVpxProbTablesAddr(int[] arguments)
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{
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_vpxProbTablesAddress = GetAddress(arguments);
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}
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private static ulong GetAddress(int[] arguments)
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{
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return (ulong)(uint)arguments[0] << 8;
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}
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internal void CopyPlanes(GpuContext gpu, SurfaceOutputConfig outputConfig)
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{
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switch (outputConfig.PixelFormat)
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{
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case SurfacePixelFormat.Rgba8: CopyPlanesRgba8 (gpu, outputConfig); break;
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case SurfacePixelFormat.Yuv420P: CopyPlanesYuv420P(gpu, outputConfig); break;
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default: ThrowUnimplementedPixelFormat(outputConfig.PixelFormat); break;
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}
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}
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private void CopyPlanesRgba8(GpuContext gpu, SurfaceOutputConfig outputConfig)
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{
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FFmpegFrame frame = FFmpegWrapper.GetFrameRgba();
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if ((frame.Width | frame.Height) == 0)
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{
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return;
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}
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throw new NotImplementedException();
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}
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private void CopyPlanesYuv420P(GpuContext gpu, SurfaceOutputConfig outputConfig)
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{
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FFmpegFrame frame = FFmpegWrapper.GetFrame();
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if ((frame.Width | frame.Height) == 0)
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{
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return;
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}
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int halfSrcWidth = frame.Width / 2;
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int halfWidth = frame.Width / 2;
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int halfHeight = frame.Height / 2;
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int alignedWidth = (outputConfig.SurfaceWidth + 0xff) & ~0xff;
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for (int y = 0; y < frame.Height; y++)
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{
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int src = y * frame.Width;
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int dst = y * alignedWidth;
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int size = frame.Width;
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for (int offset = 0; offset < size; offset++)
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{
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gpu.MemoryAccessor.WriteByte(outputConfig.SurfaceLumaAddress + (ulong)dst + (ulong)offset, *(frame.LumaPtr + src + offset));
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}
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}
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// Copy chroma data from both channels with interleaving.
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for (int y = 0; y < halfHeight; y++)
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{
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int src = y * halfSrcWidth;
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int dst = y * alignedWidth;
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for (int x = 0; x < halfWidth; x++)
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{
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gpu.MemoryAccessor.WriteByte(outputConfig.SurfaceChromaUAddress + (ulong)dst + (ulong)x * 2 + 0, *(frame.ChromaBPtr + src + x));
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gpu.MemoryAccessor.WriteByte(outputConfig.SurfaceChromaUAddress + (ulong)dst + (ulong)x * 2 + 1, *(frame.ChromaRPtr + src + x));
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}
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}
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}
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private void ThrowUnimplementedCodec()
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{
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throw new NotImplementedException($"Codec \"{_currentVideoCodec}\" is not supported!");
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}
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private void ThrowUnimplementedPixelFormat(SurfacePixelFormat pixelFormat)
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{
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throw new NotImplementedException($"Pixel format \"{pixelFormat}\" is not supported!");
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}
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}
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} |