Ryujinx/Ryujinx.Audio/Backends/Common/HardwareDeviceSessionOutputBase.cs

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using Ryujinx.Audio.Common;
using Ryujinx.Audio.Integration;
using Ryujinx.Memory;
using System.Runtime.CompilerServices;
namespace Ryujinx.Audio.Backends.Common
{
public abstract class HardwareDeviceSessionOutputBase : IHardwareDeviceSession
{
public IVirtualMemoryManager MemoryManager { get; }
public SampleFormat RequestedSampleFormat { get; }
public uint RequestedSampleRate { get; }
public uint RequestedChannelCount { get; }
public HardwareDeviceSessionOutputBase(IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount)
{
MemoryManager = memoryManager;
RequestedSampleFormat = requestedSampleFormat;
RequestedSampleRate = requestedSampleRate;
RequestedChannelCount = requestedChannelCount;
}
private byte[] GetBufferSamples(AudioBuffer buffer)
{
if (buffer.DataPointer == 0)
{
return null;
}
byte[] data = new byte[buffer.DataSize];
MemoryManager.Read(buffer.DataPointer, data);
return data;
}
protected ulong GetSampleCount(AudioBuffer buffer)
{
return GetSampleCount((int)buffer.DataSize);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected ulong GetSampleCount(int dataSize)
{
return (ulong)BackendHelper.GetSampleCount(RequestedSampleFormat, (int)RequestedChannelCount, dataSize);
}
public abstract void Dispose();
public abstract void PrepareToClose();
public abstract void QueueBuffer(AudioBuffer buffer);
public abstract void SetVolume(float volume);
public abstract float GetVolume();
public abstract void Start();
public abstract void Stop();
public abstract ulong GetPlayedSampleCount();
public abstract bool WasBufferFullyConsumed(AudioBuffer buffer);
public virtual bool RegisterBuffer(AudioBuffer buffer)
{
return RegisterBuffer(buffer, GetBufferSamples(buffer));
}
public virtual bool RegisterBuffer(AudioBuffer buffer, byte[] samples)
{
if (samples == null)
{
return false;
}
if (buffer.Data == null)
{
buffer.Data = samples;
}
return true;
}
public virtual void UnregisterBuffer(AudioBuffer buffer) { }
}
}