private void getSettings()
{
var documents = Environment.GetFolderPath (Environment.SpecialFolder.MyDocuments);
var library = System.IO.Path.Combine (documents, "..", "Library");
var urlpath = System.IO.Path.Combine (library, "audioRecording.wav");
session = AVAudioSession.SharedInstance ();
session.SetCategory (AVAudioSessionCategory.PlayAndRecord);
url = new NSUrl (urlpath, false);
NSFileManager manager = new NSFileManager ();
NSError error = new NSError (new NSString ("world"), 1);
//if there is a file at the save location, delete it so we can save there
if (manager.FileExists (urlpath)) {
Console.WriteLine ("Deleting File");
manager.Remove (urlpath, out error);
Console.WriteLine ("Deleted File");
}
NSObject[] values = new NSObject[]
{
NSNumber.FromFloat (44100.0f), //Sample Rate
NSNumber.FromInt32 ((int)MonoTouch.AudioToolbox.AudioFormatType.LinearPCM), //AVFormat
NSNumber.FromInt32 (2), //Channels
NSNumber.FromInt32 (16), //PCMBitDepth
NSNumber.FromBoolean (false), //IsBigEndianKey
NSNumber.FromBoolean (false) //IsFloatKey
};
NSObject[] keys = new NSObject[] {
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey
};
settings = NSDictionary.FromObjectsAndKeys (values, keys);
recorder = AVAudioRecorder.ToUrl (url, settings, out error);
}
/// <summary>
/// Opens and parses the BVH file at the specifie path.
/// </summary>
public BVH(string path)
{
var fm = new NSFileManager();
if (path == null || !fm.FileExists(path))
{
throw new Exception($"Could not find file '{Path.GetFileName(path)}'.");
}
var data = fm.Contents(path);
var contents = new NSString(data, NSStringEncoding.UTF8).ToString();
var lines = contents.Split(new[] { Environment.NewLine, "\r", "\n" }, StringSplitOptions.RemoveEmptyEntries);
var lineCounter = 1; // start with first line of hierarchy, which should be ROOT
while (true)
{
Roots.Add(ParseNode(lines, ref lineCounter));
lineCounter++;
if (!lines[lineCounter].TrimStart(' ').StartsWith("ROOT", StringComparison.InvariantCulture))
{
break;
}
}
if (!string.Equals(lines[lineCounter], "MOTION"))
{
throw new Exception($"Expected MOTION but encountered invalid line: {lines[lineCounter]}");
}
lineCounter += 2; // skip the "Frames: x" line and get "Frame Time: y"
FrameTimeSecs = double.Parse(lines[lineCounter].Split('\t')[1]);
lineCounter++;
for (; lineCounter < lines.Length; lineCounter++)
{
var motions = lines[lineCounter]
.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
.Select(double.Parse).ToList();
for (var i = 0; i < motions.Count; i++)
{
_channels.ElementAt(i).Key.Motions.Add(motions[i]);
}
}
}
void convertAudio ()
{
var success = DoConvertFile (sourceURL, destinationURL, outputFormat, sampleRate);
BeginInvokeOnMainThread (delegate {
activityIndicator.StopAnimating ();
});
if (!success) {
var fm = new NSFileManager ();
if (fm.FileExists (destinationFilePath)) {
NSError error;
fm.Remove (destinationFilePath, out error);
}
BeginInvokeOnMainThread (updateUI);
} else {
BeginInvokeOnMainThread (playAudio);
}
}
void startStopPushed(object sender, EventArgs ea)
{
if (!weAreRecording) {
var documents = Environment.GetFolderPath (Environment.SpecialFolder.MyDocuments);
var library = System.IO.Path.Combine (documents, "..", "Library");
var urlpath = System.IO.Path.Combine (library, "sweetMovieFilm.mov");
NSUrl url = new NSUrl (urlpath, false);
NSFileManager manager = new NSFileManager ();
NSError error = new NSError ();
if (manager.FileExists (urlpath)) {
Console.WriteLine ("Deleting File");
manager.Remove (urlpath, out error);
Console.WriteLine ("Deleted File");
}
AVCaptureFileOutputRecordingDelegate avDel= new AVCaptureFileOutputRecordingDelegate ();
output.StartRecordingToOutputFile(url, avDel);
Console.WriteLine (urlpath);
weAreRecording = true;
btnStartRecording.SetTitle("Stop Recording", UIControlState.Normal);
}
//we were already recording. Stop recording
else {
output.StopRecording ();
Console.WriteLine ("stopped recording");
weAreRecording = false;
btnStartRecording.SetTitle("Start Recording", UIControlState.Normal);
}
}
public static void deleteVideo(string vidToDelete)
{
NSFileManager manager = new NSFileManager ();
NSError error = new NSError ();
//delete the file if it is already there
if (manager.FileExists (vidToDelete)) {
manager.Remove (vidToDelete, out error);
}
}
public static Boolean vidExists(string vidCheck)
{
NSFileManager mgr = new NSFileManager ();
if (mgr.FileExists (vidCheck)) {
return true;
}
return false;
}
