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//
// Copyright (c) 2019-2021 Ryujinx
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
using Ryujinx.Audio.Integration;
using Ryujinx.Audio.Renderer.Server;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Memory;
using System;
using System.Buffers;
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.CompilerServices;
namespace Ryujinx.Audio.Renderer.Dsp.Command
{
public class CommandList : IDisposable
{
public ulong StartTime { get; private set; }
public ulong EndTime { get; private set; }
public uint SampleCount { get; }
public uint SampleRate { get; }
public Memory<float> Buffers { get; }
public uint BufferCount { get; }
public List<ICommand> Commands { get; }
public IVirtualMemoryManager MemoryManager { get; }
public IHardwareDevice OutputDevice { get; private set; }
private readonly int _sampleCount;
private readonly int _buffersEntryCount;
private readonly MemoryHandle _buffersMemoryHandle;
public CommandList(AudioRenderSystem renderSystem) : this(renderSystem.MemoryManager,
renderSystem.GetMixBuffer(),
renderSystem.GetSampleCount(),
renderSystem.GetSampleRate(),
renderSystem.GetMixBufferCount(),
renderSystem.GetVoiceChannelCountMax())
{
}
public CommandList(IVirtualMemoryManager memoryManager, Memory<float> mixBuffer, uint sampleCount, uint sampleRate, uint mixBufferCount, uint voiceChannelCountMax)
{
SampleCount = sampleCount;
_sampleCount = (int)SampleCount;
SampleRate = sampleRate;
BufferCount = mixBufferCount + voiceChannelCountMax;
Buffers = mixBuffer;
Commands = new List<ICommand>();
MemoryManager = memoryManager;
_buffersEntryCount = Buffers.Length;
_buffersMemoryHandle = Buffers.Pin();
}
public void AddCommand(ICommand command)
{
Commands.Add(command);
}
public void AddCommand<T>(T command) where T : unmanaged, ICommand
{
throw new NotImplementedException();
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe IntPtr GetBufferPointer(int index)
{
if (index >= 0 && index < _buffersEntryCount)
{
return (IntPtr)((float*)_buffersMemoryHandle.Pointer + index * _sampleCount);
}
throw new ArgumentOutOfRangeException();
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ClearBuffer(int index)
{
Unsafe.InitBlock((void*)GetBufferPointer(index), 0, SampleCount);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void ClearBuffers()
{
Unsafe.InitBlock(_buffersMemoryHandle.Pointer, 0, (uint)_buffersEntryCount * sizeof(float));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public unsafe void CopyBuffer(int outputBufferIndex, int inputBufferIndex)
{
Unsafe.CopyBlock((void*)GetBufferPointer(outputBufferIndex), (void*)GetBufferPointer(inputBufferIndex), SampleCount);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public Span<float> GetBuffer(int index)
{
if (index < 0 || index >= _buffersEntryCount)
{
return Span<float>.Empty;
}
unsafe
{
return new Span<float>((float*)_buffersMemoryHandle.Pointer + index * _sampleCount, _sampleCount);
}
}
public ulong GetTimeElapsedSinceDspStartedProcessing()
{
return (ulong)PerformanceCounter.ElapsedNanoseconds - StartTime;
}
public void Process(IHardwareDevice outputDevice)
{
OutputDevice = outputDevice;
StartTime = (ulong)PerformanceCounter.ElapsedNanoseconds;
foreach (ICommand command in Commands)
{
if (command.Enabled)
{
bool shouldMeter = command.ShouldMeter();
long startTime = 0;
if (shouldMeter)
{
startTime = PerformanceCounter.ElapsedNanoseconds;
}
command.Process(this);
if (shouldMeter)
{
ulong effectiveElapsedTime = (ulong)(PerformanceCounter.ElapsedNanoseconds - startTime);
if (effectiveElapsedTime > command.EstimatedProcessingTime)
{
Logger.Warning?.Print(LogClass.AudioRenderer, $"Command {command.GetType().Name} took {effectiveElapsedTime}ns (expected {command.EstimatedProcessingTime}ns)");
}
}
}
}
EndTime = (ulong)PerformanceCounter.ElapsedNanoseconds;
}
public void Dispose()
{
_buffersMemoryHandle.Dispose();
}
}
}
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