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Misc audio fixes (#1348)

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Changes:

    Implement software surround downmixing (fix #796).
    Fix a crash when no audio renderer were created when stopping emulation.

NOTE: This PR also disable support of 5.1 surround on the OpenAL backend as we cannot detect if the hardware directly support it. (the downmixing applied by OpenAL on Windows is terribly slow)
This commit is contained in:
Mary 2020-08-18 21:03:55 +02:00 • committed by GitHub
parent a389dd59bd
commit 5b26e4ef94
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11 changed files with 302 additions and 30 deletions
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12
Ryujinx.Audio/Renderers/SoundIo/SoundIoAudioOut.cs
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@ -65,14 +65,20 @@ namespace Ryujinx.Audio
_trackPool = new SoundIoAudioTrackPool(_audioContext, _audioDevice, MaximumTracks);
}
public bool SupportsChannelCount(int channels)
{
return _audioDevice.SupportsChannelCount(channels);
}
/// <summary>
/// Creates a new audio track with the specified parameters
/// </summary>
/// <param name="sampleRate">The requested sample rate</param>
/// <param name="channels">The requested channels</param>
/// <param name="hardwareChannels">The requested hardware channels</param>
/// <param name="virtualChannels">The requested virtual channels</param>
/// <param name="callback">A <see cref="ReleaseCallback" /> that represents the delegate to invoke when a buffer has been released by the audio track</param>
/// <returns>The created track's Track ID</returns>
public int OpenTrack(int sampleRate, int channels, ReleaseCallback callback)
public int OpenHardwareTrack(int sampleRate, int hardwareChannels, int virtualChannels, ReleaseCallback callback)
{
if (!_trackPool.TryGet(out SoundIoAudioTrack track))
{
@ -80,7 +86,7 @@ namespace Ryujinx.Audio
}
// Open the output. We currently only support 16-bit signed LE
track.Open(sampleRate, channels, callback, SoundIOFormat.S16LE);
track.Open(sampleRate, hardwareChannels, virtualChannels, callback, SoundIOFormat.S16LE);
return track.TrackID;
}