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SampleRate methods for ios #190

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SampleRate methods for ios #190

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25 changes: 25 additions & 0 deletions ios/audio_session/Sources/audio_session/DarwinAudioSession.m
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,12 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
[self setInputGain:args result:result];
} else if ([@"isInputGainSettable" isEqualToString:call.method]) {
[self getIsInputGainSettable:args result:result];
} else if ([@"getSampleRate" isEqualToString:call.method]) {
[self getSampleRate:args result:result];
} else if ([@"getPreferredSampleRate" isEqualToString:call.method]) {
[self getPreferredSampleRate:args result:result];
} else if ([@"setPreferredSampleRate" isEqualToString:call.method]) {
[self setPreferredSampleRate:args result:result];
}
else {
result(FlutterMethodNotImplemented);
Expand Down Expand Up @@ -539,6 +545,25 @@ - (void)getIsInputGainSettable:(NSArray *)args result:(FlutterResult)result {
}
}

- (void)getSampleRate:(NSArray *)args result:(FlutterResult)result {
result(@([[AVAudioSession sharedInstance] sampleRate]));
}

- (void)getPreferredSampleRate:(NSArray *)args result:(FlutterResult)result {
result(@([[AVAudioSession sharedInstance] preferredSampleRate]));
}

- (void)setPreferredSampleRate:(NSArray *)args result:(FlutterResult)result {
NSError *error = nil;
NSNumber *rate = (NSNumber *)args[0];
[[AVAudioSession sharedInstance] setPreferredSampleRate:rate.doubleValue error:&error];
if (error) {
[self sendError:error result:result];
} else {
result(nil);
}
}

- (void)setInputGain:(NSArray *)args result:(FlutterResult)result {
if (@available(iOS 6.0, *)) {
NSError *error = nil;
Expand Down
13 changes: 6 additions & 7 deletions lib/src/darwin.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -316,15 +316,14 @@ class AVAudioSession {
// return 1.0;
//}

//Future<double> get sampleRate async {
// return 48000.0;
//}
Future<double?> get sampleRate async =>
await _channel.invokeMethod<double>('getSampleRate', <dynamic>[]);

//Future<double> get preferredSampleRate async {
// return 48000.0;
//}
Future<double?> get preferredSampleRate async => await _channel
.invokeMethod<double>('getPreferredSampleRate', <dynamic>[]);

//Future<void> setPreferredSampleRate(double rate) async {}
Future<void> setPreferredSampleRate(double rate) async =>
await _channel.invokeMethod('setPreferredSampleRate', [rate]);

/// (UNTESTED)
Future<Duration> get inputLatency async {
Expand Down