don't need to pass audioFormat to openDeviceFunc

src/audioOutput.c

@@ -126,7 +126,7 @@ int openAudioOutput(AudioOutput * audioOutput, AudioFormat * audioFormat) {
 				&audioOutput->inAudioFormat);
 	}
 
-	return audioOutput->openDeviceFunc(audioOutput, audioFormat);
+	return audioOutput->openDeviceFunc(audioOutput);
 }
 
 static void convertAudioFormat(AudioOutput * audioOutput, char ** chunkArgPtr,

src/audioOutput.h

@@ -33,8 +33,7 @@ typedef int (* AudioOutputInitDriverFunc) (AudioOutput * audioOutput,
 
 typedef void (* AudioOutputFinishDriverFunc) (AudioOutput * audioOutput);
 
-typedef int (* AudioOutputOpenDeviceFunc) (AudioOutput * audioOutput, 
-                AudioFormat * audioFormat);
+typedef int (* AudioOutputOpenDeviceFunc) (AudioOutput * audioOutput);
 
 typedef int (* AudioOutputPlayFunc) (AudioOutput * audioOutput,
                 char * playChunk, int size);

src/audioOutputs/audioOutput_ao.c

@@ -179,9 +179,7 @@ static void audioOutputAo_closeDevice(AudioOutput * audioOutput) {
 	audioOutput->open = 0;
 }
 
-static int audioOutputAo_openDevice(AudioOutput * audioOutput,
-		AudioFormat * audioFormat) 
-{
+static int audioOutputAo_openDevice(AudioOutput * audioOutput) {
 	ao_sample_format format;
 	AoData * ad = (AoData *)audioOutput->data;
 
@@ -189,10 +187,10 @@ static int audioOutputAo_openDevice(AudioOutput * audioOutput,
 		audioOutputAo_closeDevice(audioOutput);
 	}
 
-	format.bits = audioFormat->bits;
-	format.rate = audioFormat->sampleRate;
+	format.bits = audioOutput->outAudioFormat.bits;
+	format.rate = audioOutput->outAudioFormat.sampleRate;
 	format.byte_format = AO_FMT_NATIVE;
-	format.channels = audioFormat->channels;
+	format.channels = audioOutput->outAudioFormat.channels;
 
 	ad->device = ao_open_live(ad->driverId, &format, ad->options);
 

src/audioOutputs/audioOutput_shout.c

@@ -484,9 +484,7 @@ static int myShout_openShoutConn(AudioOutput * audioOutput) {
 	return 0;
 }
 
-static int myShout_openDevice(AudioOutput * audioOutput,
-		AudioFormat * audioFormat) 
-{
+static int myShout_openDevice(AudioOutput * audioOutput) {
 	ShoutData * sd = (ShoutData *)audioOutput->data;
 
 	audioOutput->open = 1;