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Fix stereo capture paths

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Talon
2026-09-21 02:11:33 +02:00
parent 08e6c5930a
commit 9be33f357d
6 changed files with 100 additions and 27 deletions
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clients/apple/VoiceCat.iOS/IosAudioRouter.cs
+21 -4
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@@ -90,7 +90,7 @@ internal sealed class IosAudioRouter
SelectedInputId ??= session.PreferredInput?.UID; Changed?.Invoke();
}
internal void Apply()
internal void Apply(bool configureInput)
{
if (applying) return; applying = true;
try
@@ -102,8 +102,9 @@ internal sealed class IosAudioRouter
AVAudioSessionMode mode = CaptureChannels == 2 ? AVAudioSessionMode.Default : MicMode == IosMicMode.Raw ? AVAudioSessionMode.Measurement
: BluetoothMode == IosBluetoothMode.BuiltInMicA2dp ? AVAudioSessionMode.VideoRecording : AVAudioSessionMode.VoiceChat;
if (!session.SetCategory(AVAudioSessionCategory.PlayAndRecord, mode, options, out NSError? categoryError)) throw new InvalidOperationException(categoryError.LocalizedDescription);
session.SetPreferredSampleRate(48_000, out _); session.SetPreferredIOBufferDuration(0.02, out _); ApplyInput(session);
session.SetPreferredSampleRate(48_000, out _); session.SetPreferredIOBufferDuration(0.02, out _);
if (!session.SetActive(true, AVAudioSessionSetActiveOptions.NotifyOthersOnDeactivation, out NSError? activeError)) throw new InvalidOperationException(activeError.LocalizedDescription);
if (configureInput) ApplyInput(session);
session.OverrideOutputAudioPort(ForceSpeaker && BluetoothMode != IosBluetoothMode.BuiltInMicA2dp ? AVAudioSessionPortOverride.Speaker : AVAudioSessionPortOverride.None, out _); RefreshRoutes();
}
finally { applying = false; }
@@ -116,8 +117,24 @@ internal sealed class IosAudioRouter
if (port is null) return; session.SetPreferredInput(port, out _);
AVAudioSessionDataSourceDescription? source = port.DataSources?.FirstOrDefault(value => value.DataSourceID.ToString() == SelectedDataSourceId);
if (CaptureChannels == 2) source ??= port.DataSources?.FirstOrDefault(value => value.SupportedPolarPatterns?.Any(pattern => pattern.ToString().Contains("Stereo", StringComparison.OrdinalIgnoreCase)) == true);
if (source is null) return; port.SetPreferredDataSource(source, out _); session.SetInputDataSource(source, out _);
if (CaptureChannels != 2 && SelectedPolarPattern != AVAudioDataSourcePolarPattern.Unknown) source.SetPreferredPolarPattern(SelectedPolarPattern, out _);
if (source is not null)
{
if (!port.SetPreferredDataSource(source, out NSError? portError)) throw new InvalidOperationException(portError.LocalizedDescription);
if (!session.SetInputDataSource(source, out NSError? sourceError)) throw new InvalidOperationException(sourceError.LocalizedDescription);
}
if (session.MaximumInputNumberOfChannels < CaptureChannels)
throw new InvalidOperationException($"The selected input supports at most {session.MaximumInputNumberOfChannels} channel(s), not {CaptureChannels}.");
if (!session.SetPreferredInputNumberOfChannels(CaptureChannels, out NSError? channelError)) throw new InvalidOperationException(channelError.LocalizedDescription);
if (source is not null)
{
AVAudioDataSourcePolarPattern pattern = CaptureChannels == 2
? source.SupportedPolarPatterns?.FirstOrDefault(value => value.ToString().Contains("Stereo", StringComparison.OrdinalIgnoreCase)) ?? AVAudioDataSourcePolarPattern.Unknown
: SelectedPolarPattern;
if (pattern != AVAudioDataSourcePolarPattern.Unknown && !source.SetPreferredPolarPattern(pattern, out NSError? patternError))
throw new InvalidOperationException(patternError.LocalizedDescription);
}
if (session.InputNumberOfChannels != CaptureChannels)
throw new InvalidOperationException($"The selected input activated with {session.InputNumberOfChannels} channel(s), not {CaptureChannels}.");
}
private void SaveAndReconfigure()