1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Device;
using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.Graphics.Nvdec.Image;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Threading;
namespace Ryujinx.Graphics.Nvdec
{
public class NvdecDevice : IDeviceStateWithContext
{
private readonly ResourceManager _rm;
private readonly DeviceState<NvdecRegisters> _state;
private long _currentId;
private ConcurrentDictionary<long, NvdecDecoderContext> _contexts;
private NvdecDecoderContext _currentContext;
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) }
});
_contexts = new ConcurrentDictionary<long, NvdecDecoderContext>();
}
public long CreateContext()
{
long id = Interlocked.Increment(ref _currentId);
_contexts.TryAdd(id, new NvdecDecoderContext());
return id;
}
public void DestroyContext(long id)
{
if (_contexts.TryRemove(id, out var context))
{
context.Dispose();
}
_rm.Cache.Trim();
}
public void BindContext(long id)
{
if (_contexts.TryGetValue(id, out var context))
{
_currentContext = context;
}
}
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(_currentContext, _rm, ref _state.State);
break;
case CodecId.Vp8:
Vp8Decoder.Decode(_currentContext, _rm, ref _state.State);
break;
case CodecId.Vp9:
Vp9Decoder.Decode(_rm, ref _state.State);
break;
default:
Logger.Error?.Print(LogClass.Nvdec, $"Unsupported codec \"{codecId}\".");
break;
}
}
}
}
|
