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using System;
using System.Diagnostics;
namespace Ryujinx.Audio.Integration
{
/// <summary>
/// Represent an hardware device used in <see cref="Renderer.Dsp.Command.DeviceSinkCommand"/>
/// </summary>
public interface IHardwareDevice : IDisposable
{
/// <summary>
/// Sets the volume level for this device.
/// </summary>
/// <param name="volume">The volume level to set.</param>
void SetVolume(float volume);
/// <summary>
/// Gets the volume level for this device.
/// </summary>
/// <returns>The volume level of this device.</returns>
float GetVolume();
/// <summary>
/// Get the supported sample rate of this device.
/// </summary>
/// <returns>The supported sample rate of this device.</returns>
uint GetSampleRate();
/// <summary>
/// Get the channel count supported by this device.
/// </summary>
/// <returns>The channel count supported by this device.</returns>
uint GetChannelCount();
/// <summary>
/// Appends new PCM16 samples to the device.
/// </summary>
/// <param name="data">The new PCM16 samples.</param>
/// <param name="channelCount">The number of channels.</param>
void AppendBuffer(ReadOnlySpan<short> data, uint channelCount);
/// <summary>
/// Check if the audio renderer needs to perform downmixing.
/// </summary>
/// <returns>True if downmixing is needed.</returns>
public bool NeedDownmixing()
{
uint channelCount = GetChannelCount();
Debug.Assert(channelCount > 0 && channelCount <= Constants.ChannelCountMax);
return channelCount != Constants.ChannelCountMax;
}
}
}
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