unsafe AVAudioMix CreateAudioMix ()
{
AVMutableAudioMix audioMix = AVMutableAudioMix.Create ();
AVMutableAudioMixInputParameters audioMixInputParameters = AVMutableAudioMixInputParameters.FromTrack (audioAssetTrack);
var callbacks = new MTAudioProcessingTapCallbacks (TapProcess) {
Initialize = TapInitialization,
Finalize = Finalaze,
Prepare = TapPrepare,
Unprepare = Unprepare,
};
audioProcessingTap = new MTAudioProcessingTap (callbacks, MTAudioProcessingTapCreationFlags.PreEffects);
audioMixInputParameters.AudioTapProcessor = audioProcessingTap;
audioMix.InputParameters = new AVAudioMixInputParameters[] { audioMixInputParameters };
return audioMix;
}
unsafe AVAudioMix CreateAudioMix()
{
AVMutableAudioMix audioMix = AVMutableAudioMix.Create();
AVMutableAudioMixInputParameters audioMixInputParameters = AVMutableAudioMixInputParameters.FromTrack(audioAssetTrack);
var callbacks = new MTAudioProcessingTapCallbacks(TapProcess)
{
Initialize = TapInitialization,
Finalize = Finalaze,
Prepare = TapPrepare,
Unprepare = Unprepare,
};
audioProcessingTap = new MTAudioProcessingTap(callbacks, MTAudioProcessingTapCreationFlags.PreEffects);
audioMixInputParameters.AudioTapProcessor = audioProcessingTap;
audioMix.InputParameters = new AVAudioMixInputParameters[] { audioMixInputParameters };
return(audioMix);
}
public unsafe void Initialization()
{
TestRuntime.AssertSystemVersion(ApplePlatform.MacOSX, 10, 9, throwIfOtherPlatform: false);
var cb = new MTAudioProcessingTapCallbacks(
delegate(MTAudioProcessingTap tap, nint numberFrames, MTAudioProcessingTapFlags flags, AudioBuffers bufferList, out nint numberFramesOut, out MTAudioProcessingTapFlags flagsOut) {
numberFramesOut = 2;
flagsOut = MTAudioProcessingTapFlags.StartOfStream;
});
cb.Initialize = delegate(MTAudioProcessingTap tap, out void *tapStorage) {
tapStorage = (void *)44;
};
IntPtr handle;
using (var res = new MTAudioProcessingTap(cb, MTAudioProcessingTapCreationFlags.PreEffects))
{
handle = res.Handle;
Assert.AreEqual(44, (int)res.GetStorage());
Assert.That(CFGetRetainCount(handle), Is.EqualTo((nint)1), "RC");
}
}
