private void DidFinishCaptureAction(VideoCaptureDelegate captureDelegate, NSUrl outputUrl)
{
DispatchQueue.MainQueue.DispatchAsync(() =>
{
if (captureDelegate?.IsBeingCancelled == true)
{
_videoRecordingDelegate?.DidCancelVideoRecording(this);
}
else
{
_videoRecordingDelegate?.DidFinishVideoRecording(this, outputUrl);
}
});
}
private void DidCaptureFail(VideoCaptureDelegate captureDelegate, NSError error, NSUrl outputUrl)
{
// we need to remove reference to the delegate so it can be deallocated
_videoCaptureDelegate = null;
DispatchQueue.MainQueue.DispatchAsync(() =>
{
if (captureDelegate.RecordingWasInterrupted)
{
_videoRecordingDelegate?.DidInterruptVideoRecording(this, outputUrl, error);
}
else
{
_videoRecordingDelegate?.DidFailVideoRecording(this, error);
}
});
}
public void StartVideoRecording(bool shouldSaveVideoToLibrary)
{
if (_videoFileOutput == null)
{
Console.WriteLine("capture session: trying to record a video but no movie file output is set");
return;
}
_sessionQueue.DispatchAsync(() =>
{
// if already recording do nothing
if (_videoFileOutput.Recording)
{
Console.WriteLine(
"capture session: trying to record a video but there is one already being recorded");
return;
}
// start recording to a temporary file.
var outputFileName = new NSUuid().AsString();
var outputUrl = NSFileManager.DefaultManager.GetTemporaryDirectory().Append(outputFileName, false)
.AppendPathExtension("mov");
var recordingDelegate = new VideoCaptureDelegate(DidStartCaptureAction,
captureDelegate => DidFinishCaptureAction(captureDelegate, outputUrl),
(captureDelegate, error) => DidCaptureFail(captureDelegate, error, outputUrl))
{
ShouldSaveVideoToLibrary = shouldSaveVideoToLibrary
};
_videoFileOutput.StartRecordingToOutputFile(outputUrl, recordingDelegate);
_videoCaptureDelegate = recordingDelegate;
});
}
