Ryujinx/Ryujinx.Graphics.Nvdec/NvdecDevice.cs

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using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Device;
using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.Graphics.Nvdec.Image;
using System;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Nvdec
{
public class NvdecDevice : IDeviceState
{
private readonly ResourceManager _rm;
private readonly DeviceState<NvdecRegisters> _state;
public event Action<FrameDecodedEventArgs> FrameDecoded;
public NvdecDevice(MemoryManager gmm)
{
_rm = new ResourceManager(gmm, new SurfaceCache(gmm));
_state = new DeviceState<NvdecRegisters>(new Dictionary<string, RwCallback>
{
{ nameof(NvdecRegisters.Execute), new RwCallback(Execute, null) }
});
}
public int Read(int offset) => _state.Read(offset);
public void Write(int offset, int data) => _state.Write(offset, data);
private void Execute(int data)
{
Decode((CodecId)_state.State.SetCodecID);
}
private void Decode(CodecId codecId)
{
switch (codecId)
{
case CodecId.H264:
H264Decoder.Decode(this, _rm, ref _state.State);
break;
case CodecId.Vp9:
Vp9Decoder.Decode(this, _rm, ref _state.State);
break;
default:
Logger.Error?.Print(LogClass.Nvdec, $"Unsupported codec \"{codecId}\".");
break;
}
}
internal void OnFrameDecoded(CodecId codecId, uint lumaOffset, uint chromaOffset)
{
FrameDecoded?.Invoke(new FrameDecodedEventArgs(codecId, lumaOffset, chromaOffset));
}
}
}