void SetupRecorder()
{
// An extension is required otherwise the file does not save to a format that browsers support (mp4)
// Note: output the file rather than the path as the path is calculated via PrivatePath interface in the PCL
var documents = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
filename = Path.Combine(documents, DateTimeOffset.Now.ToUnixTimeSeconds().ToString() + ".3gp");
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
err = audioSession.SetActive(true);
NSObject[] values =
{
NSNumber.FromFloat(8000.0f),
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.MPEG4AAC),
NSNumber.FromInt32(1)
};
NSObject[] keys =
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey
};
recorder = AVAudioRecorder.Create(
NSUrl.FromFilename(filename),
new AudioSettings(NSDictionary.FromObjectsAndKeys(values, keys)),
out var error
);
}
/// <summary>
/// Trie to set up a recorder with CreateOutputUrl Url.
/// </summary>
private bool PrepareAudioRecording()
{
var result = false;
recorder = AVAudioRecorder.Create(CreateOutputUrl(), audioSettings, out NSError error);
if (error == null)
{
// Set Recorder to Prepare To Record
if (!recorder.PrepareToRecord())
{
recorder.Dispose();
recorder = null;
}
else
{
recorder.FinishedRecording += OnFinishedRecording;
result = true;
}
}
else
{
Console.WriteLine("creation error");
}
return(result);
}
protected override bool NativeStopRecording()
{
AudioRecorder?.Stop();
AudioRecorder = null;
return(true);
}
private void OnFinishedRecording(object sender, AVStatusEventArgs e)
{
recorder.Dispose();
recorder = null;
Console.WriteLine($"Done Recording (status: {e.Status})");
}
public string StopRecord()
{
recorder.Stop();
recorder.Dispose();
recorder = null;
return(sFileName);
}
public void RecordStart(string fileName)
{
var filePath = _Storage.GetPath(fileName);
System.Diagnostics.Debug.WriteLine(string.Format("*** AudioService.RecordStart - Preparing to record to: {0}.", filePath));
_OutputUrl = NSUrl.FromFilename(filePath);
// apply recorder settings
_Recorder = AVAudioRecorder.Create(_OutputUrl, new AudioSettings(_Settings), out _Error);
// record
if (!_Recorder.PrepareToRecord())
{
_Recorder.Dispose();
_Recorder = null;
throw new Exception("Could not prepare recording");
}
_Recorder.FinishedRecording += delegate(object sender, AVStatusEventArgs e)
{
_Recorder.Dispose();
_Recorder = null;
Console.WriteLine("Done Recording (status: {0})", e.Status);
};
_Recorder.Record();
System.Diagnostics.Debug.WriteLine("*** AudioService.RecordStart - Recording started");
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (observer != null)
{
observer.Dispose();
observer = null;
}
if (player != null)
{
player.Dispose();
player = null;
}
if (recorder != null)
{
recorder.Dispose();
recorder = null;
}
if (audioFilePath != null)
{
audioFilePath.Dispose();
audioFilePath = null;
}
}
bool PrepareAudioRecording()
{
audioFilePath = CreateOutputUrl();
var audioSettings = new AudioSettings {
SampleRate = 44100,
Format = AudioToolbox.AudioFormatType.MPEG4AAC,
NumberChannels = 1,
AudioQuality = AVAudioQuality.High
};
//Set recorder parameters
NSError error;
recorder = AVAudioRecorder.Create(audioFilePath, audioSettings, out error);
if (error != null)
{
Console.WriteLine(error);
return(false);
}
//Set Recorder to Prepare To Record
if (!recorder.PrepareToRecord())
{
recorder.Dispose();
recorder = null;
return(false);
}
recorder.FinishedRecording += OnFinishedRecording;
return(true);
}
public void StopRecording()
{
if (_recorder == null)
{
return;
}
_recorder.Stop();
_recorder = null;
}
public static void Record(string url)
{
var parameters = HttpUtility.ParseQueryString(url.Substring(url.IndexOf('?')));
if (parameters != null)
{
if (parameters.ContainsKey("callback"))
{
callback = parameters ["callback"];
}
else
{
throw new ArgumentException("Audio recording requires a callback URI.");
}
}
NSObject[] values = new NSObject[]
{
NSNumber.FromInt32((int)AudioFormatType.MPEG4AAC),
NSNumber.FromInt32(2),
NSNumber.FromInt32((int)AVAudioQuality.Max)
};
NSObject[] keys = new NSObject[]
{
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVEncoderAudioQualityKey
};
NSDictionary settings = NSDictionary.FromObjectsAndKeys(values, keys);
string audioFilePath = Path.Combine(TouchFactory.Instance.TempPath, Guid.NewGuid().ToString() + ".aac");
NSError error = null;
audioRecorder = AVAudioRecorder.Create(NSUrl.FromFilename(audioFilePath), new AudioSettings(settings), out error);
var actionSheet = new UIActionSheet(string.Empty)
{
TouchFactory.Instance.GetResourceString("RecordAudio"),
TouchFactory.Instance.GetResourceString("Cancel"),
};
actionSheet.CancelButtonIndex = 1;
actionSheet.Style = UIActionSheetStyle.BlackTranslucent;
actionSheet.ShowInView(TouchFactory.Instance.TopViewController.View);
actionSheet.Clicked += delegate(object sender, UIButtonEventArgs args)
{
switch (args.ButtonIndex)
{
case 0:
StartRecording();
break;
}
};
}
public void PrepareRecorder()
{
if (Recorder != null)
{
Recorder.Dispose();
}
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
}
err = audioSession.SetActive(true);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
}
Console.WriteLine("Audio File Path: " + AudioFilePath + AudioFileName);
Url = NSUrl.FromFilename(AudioFilePath + AudioFileName + ".mp4");
if (File.Exists(AudioFilePath + "/" + AudioFileName + ".mp4"))
{
File.Delete(AudioFilePath + "/" + AudioFileName + ".mp4");
}
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
NSObject[] values = new NSObject[] {
NSNumber.FromFloat(44100.0f),
//Sample Rate
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.LinearPCM),
//AVFormat
NSNumber.FromInt32(2),
//Channels
NSNumber.FromInt32(16),
//PCMBitDepth
NSNumber.FromBoolean(false),
//IsBigEndianKey
NSNumber.FromBoolean(false)
//IsFloatKey
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
NSObject[] keys = new NSObject[] {
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey
};
Settings = NSDictionary.FromObjectsAndKeys(values, keys);
Recorder = AVAudioRecorder.Create(Url, new AudioSettings(Settings), out Error);
Recorder.PrepareToRecord();
}
private bool PrepareVariables()
{
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
if (err != null)
{
Console.WriteLine($"audioSession: {err}");
return(false);
}
err = audioSession.SetActive(true);
if (err != null)
{
Console.WriteLine($"audioSession: {err}");
return(false);
}
//Declare string for application temp path and tack on the file extension
string fileName = $"Myfile{DateTime.Now.ToString("yyyyMMddHHmmss")}.wav";
audioFilePath = Path.Combine(Path.GetTempPath(), fileName);
Console.WriteLine("Audio File Path: " + audioFilePath);
url = NSUrl.FromFilename(audioFilePath);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
NSObject[] values =
{
NSNumber.FromFloat(44100.0f), //Sample Rate
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.LinearPCM), //AVFormat
NSNumber.FromInt32(2), //Channels
NSNumber.FromInt32(16), //PCMBitDepth
NSNumber.FromBoolean(false), //IsBigEndianKey
NSNumber.FromBoolean(false) //IsFloatKey
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
NSObject[] keys =
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey
};
//Set Settings with the Values and Keys to create the NSDictionary
settings = NSDictionary.FromObjectsAndKeys(values, keys);
//Set recorder parameters
recorder = AVAudioRecorder.Create(url, new AudioSettings(settings), out error);
//Set Recorder to Prepare To Record
recorder.PrepareToRecord();
return(true);
}
static void CreateRecorder()
{
ConfigureAudio(AVAudioSessionCategory.PlayAndRecord);
Recorder = AVAudioRecorder.Create(NSUrl.FromFilename(Recording.FullName), GetSettings(), out var err);
if (err != null)
{
throw new Exception("Could not create a recorder because: " + err.Description);
}
}
static Background()
{
var settings = new AudioSettings();
settings.AudioQuality = AVAudioQuality.Min;
NSError error;
audioRecorder = AVAudioRecorder.Create(new NSUrl(Manager.AudioFile), settings, out error);
}
void InitAudioRecorder()
{
var url = NSUrl.FromFilename(GetTempFileName());
var settings = NSDictionary.FromObjectsAndKeys(objects, keys);
recorder = AVAudioRecorder.Create(url, new AudioSettings(settings), out NSError error);
recorder.PrepareToRecord();
}
void InitializeRecorder()
{
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
return;
}
err = audioSession.SetActive(true);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
return;
}
var localStorage = PCLStorage.FileSystem.Current.LocalStorage.Path;
string audioFilePath = localStorage + "/SmartCoffee.wav";
Console.WriteLine("Audio File Path: " + audioFilePath);
url = NSUrl.FromFilename(audioFilePath);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
var values = new NSObject[]
{
NSNumber.FromFloat(44100.0f), //Sample Rate
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.LinearPCM), //AVFormat
NSNumber.FromInt32(2), //Channels
NSNumber.FromInt32(16), //PCMBitDepth
NSNumber.FromBoolean(false), //IsBigEndianKey
NSNumber.FromBoolean(false) //IsFloatKey
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
var keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey
};
//Set Settings with the Values and Keys to create the NSDictionary
settings = NSDictionary.FromObjectsAndKeys(values, keys);
//Set recorder parameters
recorder = AVAudioRecorder.Create(url, new AudioSettings(settings), out error);
//Set Recorder to Prepare To Record
recorder.PrepareToRecord();
}
static Background()
{
var settings = new AudioSettings();
settings.AudioQuality = AVAudioQuality.Min;
NSError error;
audioRecorder = AVAudioRecorder.Create(new NSUrl(Manager.AudioFile), settings, out error);
audioPlayer = AVAudioPlayer.FromUrl(new NSUrl(NSBundle.MainBundle.PathForResource("3", "wav")));
}
bool PrepareAudioRecording()
{
//Declare string for application temp path and tack on the file extension
string fileName = string.Format("Myfile{0}.aac", DateTime.Now.ToString("yyyyMMddHHmmss"));
string tempRecording = NSBundle.MainBundle.BundlePath + "/../tmp/" + fileName;
Console.WriteLine(tempRecording);
this.audioFilePath = NSUrl.FromFilename(tempRecording);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
NSObject[] values = new NSObject[]
{
NSNumber.FromFloat(44100.0f),
NSNumber.FromInt32((int)MonoTouch.AudioToolbox.AudioFormatType.MPEG4AAC),
NSNumber.FromInt32(1),
NSNumber.FromInt32((int)AVAudioQuality.High)
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
NSObject[] keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVEncoderAudioQualityKey
};
//Set Settings with the Values and Keys to create the NSDictionary
settings = NSDictionary.FromObjectsAndKeys(values, keys);
//Set recorder parameters
NSError error;
recorder = AVAudioRecorder.ToUrl(this.audioFilePath, settings, out error);
if ((recorder == null) || (error != null))
{
Console.WriteLine(error);
return(false);
}
//Set Recorder to Prepare To Record
if (!recorder.PrepareToRecord())
{
recorder.Dispose();
recorder = null;
return(false);
}
recorder.FinishedRecording += delegate(object sender, AVStatusEventArgs e) {
recorder.Dispose();
recorder = null;
Console.WriteLine("Done Recording (status: {0})", e.Status);
};
return(true);
}
public void CreateWithError()
{
var url = NSUrl.FromFilename("/dev/fake.wav");
NSError error;
var audioSettings = new AudioSettings(NSDictionary.FromObjectsAndKeys(Values, Keys));
using (var recorder = AVAudioRecorder.Create(url, audioSettings, out error)) {
Assert.Null(recorder);
Assert.NotNull(error);
}
}
private void SetupRecorder(string sFileName)
{
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
if (err != null)
{
//Console.WriteLine("audioSession: {0}", err);
//return false;
}
err = audioSession.SetActive(true);
if (err != null)
{
//Console.WriteLine("audioSession: {0}", err);
//return false;
}
this.sFileName = sFileName;
//Declare string for application temp path and tack on the file extension
//string fileName = string.Format("{0}.wav", DateTime.Now.ToString("yyyyMMddHHmmss"));
string audioFilePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), sFileName);
url = NSUrl.FromFilename(audioFilePath);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
NSObject[] values = new NSObject[]
{
NSNumber.FromFloat(44100.0f), //Sample Rate
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.MPEG4AAC), //AVFormat
NSNumber.FromInt32(2), //Channels
NSNumber.FromInt32(16), //PCMBitDepth
NSNumber.FromInt32((int)AVAudioQuality.High),
NSNumber.FromBoolean(false), //IsBigEndianKey
NSNumber.FromBoolean(false) //IsFloatKey
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
NSObject[] keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVEncoderAudioQualityKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey,
};
//Set Settings with the Values and Keys to create the NSDictionary
settings = NSDictionary.FromObjectsAndKeys(values, keys);
//Set recorder parameters
this.recorder = AVAudioRecorder.Create(url, new AudioSettings(settings), out error);
}
bool PrepareAudioRecording(bool isLeft)
{
//Declare string for application temp path and tack on the file extension
string fileName = string.Format("Myfile{0}.aac", DateTime.Now.ToString("yyyyMMddHHmmss"));
string tempRecording = NSBundle.MainBundle.BundlePath + "/../tmp/" + fileName;
Console.WriteLine(tempRecording);
this.audioFilePath = NSUrl.FromFilename(tempRecording);
if (isLeft)
{
audioLeft = this.audioFilePath.ToString();
// detailViewController.NewSndPath (audioLeft, true);
}
else
{
audioRight = this.audioFilePath.ToString();
// detailViewController.NewSndPath (audioRight, false);
}
var audioSettings = new AudioSettings()
{
SampleRate = 44100.0f,
Format = MonoTouch.AudioToolbox.AudioFormatType.MPEG4AAC,
NumberChannels = 1,
AudioQuality = AVAudioQuality.High
};
//Set recorder parameters
NSError error;
recorder = AVAudioRecorder.Create(this.audioFilePath, audioSettings, out error);
if ((recorder == null) || (error != null))
{
Console.WriteLine(error);
return(false);
}
//Set Recorder to Prepare To Record
if (!recorder.PrepareToRecord())
{
recorder.Dispose();
recorder = null;
return(false);
}
recorder.FinishedRecording += delegate(object sender, AVStatusEventArgs e) {
recorder.Dispose();
recorder = null;
Console.WriteLine("Done Recording (status: {0})", e.Status);
};
return(true);
}
void InitializeRecorder()
{
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
return;
}
err = audioSession.SetActive(true);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
return;
}
var audioFilePath = PortablePath.Combine(_localStorage, $"{_recordId}.wav");
Console.WriteLine("Audio File Path: " + audioFilePath);
_currentRecordUrl = NSUrl.FromFilename(audioFilePath);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
var values = new NSObject[]
{
NSNumber.FromFloat(_deviceService.AudioSampleRate), //Sample Rate
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.LinearPCM), //AVFormat
NSNumber.FromInt32(2), //Channels
NSNumber.FromInt32(16), //PCMBitDepth
NSNumber.FromBoolean(false), //IsBigEndianKey
NSNumber.FromBoolean(false) //IsFloatKey
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
var keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey
};
//Set Settings with the Values and Keys to create the NSDictionary
_settings = NSDictionary.FromObjectsAndKeys(values, keys);
//Set recorder parameters
_recorder = AVAudioRecorder.Create(_currentRecordUrl, new AudioSettings(_settings), out _error);
//Set Recorder to Prepare To Record
_recorder.PrepareToRecord();
}
public Task <AudioRecordResult> Record(AudioRecordOptions options = null)
{
_options = options ?? AudioRecordOptions.Empty;
_tcs = new TaskCompletionSource <AudioRecordResult>();
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
if (err != null)
{
return(Task.FromResult(new AudioRecordResult($"AVAudioSession.SetCategory returned error '{err}'")));
}
err = audioSession.SetActive(true);
if (err != null)
{
return(Task.FromResult(new AudioRecordResult($"AVAudioSession.SetActive returned error '{err}'")));
}
_audioFilePath = Path.Combine(Path.GetTempPath(), $"audiorec_{DateTime.Now.Ticks}.wav");
Console.WriteLine("Audio File Path: " + _audioFilePath);
var url = NSUrl.FromFilename(_audioFilePath);
var config = new Dictionary <NSObject, NSObject>
{
{ AVAudioSettings.AVSampleRateKey, NSNumber.FromFloat((float)_options.SampleRate) },
{ AVAudioSettings.AVFormatIDKey, NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.LinearPCM) },
{ AVAudioSettings.AVNumberOfChannelsKey, NSNumber.FromInt32(1) },
{ AVAudioSettings.AVLinearPCMBitDepthKey, NSNumber.FromInt32(16) },
{ AVAudioSettings.AVLinearPCMIsBigEndianKey, NSNumber.FromBoolean(false) },
{ AVAudioSettings.AVLinearPCMIsFloatKey, NSNumber.FromBoolean(false) }
};
var settings = NSDictionary.FromObjectsAndKeys(config.Keys.ToArray(), config.Values.ToArray());
_recorder = AVAudioRecorder.Create(url, new AudioSettings(settings), out err);
if (err != null)
{
return(Task.FromResult(new AudioRecordResult($"AVAudioRecorder.Create returned error '{err}'")));
}
_recorder.PrepareToRecord();
_recorder.Record();
Task.Run(() => Timeout());
return(_tcs.Task);
}
public void Start(string fileName, out string fileFullName)
{
// var documentsPath = Path.GetTempPath();
// string libraryPath = Path.Combine(documentsPath, "MindCorners"); // Library folder
// var filePath = Path.Combine(libraryPath, fileName);
//var filePath = System.IO.Path.Combine(documentsPath,fileName);
InitAudio();
//Declare string for application temp path and tack on the file extension
//string fileName = string.Format("Myfile{0}.wav", DateTime.Now.ToString("yyyyMMddHHmmss"));
string audioFilePath = Path.Combine(Path.GetTempPath(), fileName);
path = audioFilePath;
fileFullName = audioFilePath;
Console.WriteLine("Audio File Path: " + audioFilePath);
url = NSUrl.FromFilename(audioFilePath);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
NSObject[] values = new NSObject[]
{
NSNumber.FromFloat(44100.0f), //Sample Rate
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.LinearPCM), //AVFormat
NSNumber.FromInt32(2), //Channels
NSNumber.FromInt32(16), //PCMBitDepth
NSNumber.FromBoolean(false), //IsBigEndianKey
NSNumber.FromBoolean(false) //IsFloatKey
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
NSObject[] keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey
};
//Set Settings with the Values and Keys to create the NSDictionary
settings = NSDictionary.FromObjectsAndKeys(values, keys);
//Set recorder parameters
recorder = AVAudioRecorder.Create(url, new AudioSettings(settings), out error);
//Set Recorder to Prepare To Record
recorder.PrepareToRecord();
recorder.Record();
}
public void Dispose()
{
if (_Disposed)
{
return;
}
if (_Recorder != null)
{
_Recorder.Dispose();
_Recorder = null;
}
_Disposed = true;
}
public void Create()
{
TestRuntime.RequestMicrophonePermission();
var url = NSUrl.FromFilename("/dev/null");
NSError error;
var audioSettings = new AudioSettings(NSDictionary.FromObjectsAndKeys(Values, Keys));
using (var recorder = AVAudioRecorder.Create(url, audioSettings, out error)) {
Assert.NotNull(recorder);
Assert.Null(error);
}
}
public void deleteRecord()
{
if (player != null)
{
player.Dispose();
player = null;
}
if (recorder != null)
{
recorder.Dispose();
recorder = null;
}
}
void InitializeRecorder()
{
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
return;
}
err = audioSession.SetActive(true);
if (error != null)
{
Console.WriteLine("audioSession: {0}", err);
return;
}
var localStorage = PCLStorage.FileSystem.Current.LocalStorage.Path;
string audioFilePath = localStorage + "/PatientNotes.wav";
Console.WriteLine("Audio file path: " + audioFilePath);
url = NSUrl.FromFilename(audioFilePath);
var values = new NSObject[]
{
NSNumber.FromFloat(8000.0f), // Sample Rate
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.LinearPCM), // AVFormat
NSNumber.FromInt32(1), // Channels
NSNumber.FromInt32(16), // PCMBitDepth
NSNumber.FromBoolean(false), // IsBigEndianKey
NSNumber.FromBoolean(false) // IsFloatKey
};
var keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey
};
settings = NSDictionary.FromObjectsAndKeys(values, keys);
recorder = AVAudioRecorder.Create(url, new AudioSettings(settings), out error);
recorder.PrepareToRecord();
}
public Task PlatformRecordAsync()
{
InitAudioSession();
_audioFilePath = Path.Combine(Kit.CachePath, Kit.NewGuid + ".m4a");
var url = NSUrl.FromFilename(_audioFilePath);
_recorder = AVAudioRecorder.Create(url, new AudioSettings(_settings), out var error);
if (error != null)
{
ThrowNSError(error);
}
_recorder.Record();
return(Task.CompletedTask);
}
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);
}
public Task <FileData> PlatformStopAsync()
{
if (_recorder == null)
{
return(Task.FromResult(default(FileData)));
}
_recorder.Stop();
_recorder.Dispose();
_recorder = null;
AVAudioSession.SharedInstance().SetActive(false);
FileInfo fi = new FileInfo(_audioFilePath);
return(Task.FromResult(new FileData(_audioFilePath, fi.Name, (ulong)fi.Length)));
}
/// <summary>
/// Views the did load.
/// </summary>
public override void ViewDidLoad()
{
base.ViewDidLoad ();
//
m_navigationTitle = @"Audio Recorder";
//
this.View.TintColor = NormalTintColor;
mMusicFlowView.BackgroundColor = this.View.BackgroundColor;
mMusicFlowView.IdleAmplitude = 0;
//Unique recording URL
var fileName = NSProcessInfo.ProcessInfo.GloballyUniqueString;
var documents = Environment.GetFolderPath (Environment.SpecialFolder.MyDocuments);
var tmp = Path.Combine (documents, "..", "tmp");
m_recordingFilePath = Path.Combine(tmp,String.Format("{0}.m4a",fileName));
{
m_flexItem1 = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace,null,null);
m_flexItem2 = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace,null,null);
var img = UIImage.FromBundle("audio_record");
m_recordButton = new UIBarButtonItem(img,UIBarButtonItemStyle.Plain,RecordingButtonAction);
m_playButton = new UIBarButtonItem(UIBarButtonSystemItem.Play,PlayAction);
m_pauseButton = new UIBarButtonItem(UIBarButtonSystemItem.Pause,PauseAction);
m_trashButton = new UIBarButtonItem(UIBarButtonSystemItem.Trash,DeleteAction);
this.SetToolbarItems (new UIBarButtonItem[]{ m_playButton, m_flexItem1, m_recordButton, m_flexItem2, m_trashButton}, false);
m_playButton.Enabled = false;
m_trashButton.Enabled = false;
}
// Define the recorder setting
{
var audioSettings = new AudioSettings () {
Format = AudioFormatType.MPEG4AAC,
SampleRate = 44100.0f,
NumberChannels = 2,
};
NSError err = null;
m_audioRecorder = AVAudioRecorder.Create (NSUrl.FromFilename (m_recordingFilePath), audioSettings,out err);
// Initiate and prepare the recorder
m_audioRecorder.WeakDelegate = this;
m_audioRecorder.MeteringEnabled = true;
mMusicFlowView.PrimaryWaveLineWidth = 3.0f;
mMusicFlowView.SecondaryWaveLineWidth = 1.0f;
}
//Navigation Bar Settings
{
this.NavigationItem.Title = @"Audio Recorder";
m_cancelButton = new UIBarButtonItem(UIBarButtonSystemItem.Cancel,CancelAction);
this.NavigationItem.LeftBarButtonItem = m_cancelButton;
m_doneButton = new UIBarButtonItem(UIBarButtonSystemItem.Done, DoneAction);
}
//Player Duration View
{
m_viewPlayerDuration = new UIView ();
m_viewPlayerDuration.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
m_viewPlayerDuration.BackgroundColor = UIColor.Clear;
m_labelCurrentTime = new UILabel ();
m_labelCurrentTime.Text = NSStringExtensions.TimeStringForTimeInterval (0);
m_labelCurrentTime.Font = UIFont.BoldSystemFontOfSize(14.0f);
m_labelCurrentTime.TextColor = NormalTintColor;
m_labelCurrentTime.TranslatesAutoresizingMaskIntoConstraints = false;
m_playerSlider = new UISlider(new CGRect(0, 0, this.View.Bounds.Size.Width, 64));
m_playerSlider.MinimumTrackTintColor = PlayingTintColor;
m_playerSlider.Value = 0;
m_playerSlider.TouchDown += SliderStart;
m_playerSlider.ValueChanged += SliderMoved;
m_playerSlider.TouchUpInside += SliderEnd;
m_playerSlider.TouchUpOutside += SliderEnd;
m_playerSlider.TranslatesAutoresizingMaskIntoConstraints = false;
m_labelRemainingTime = new UILabel();
m_labelCurrentTime.Text = NSStringExtensions.TimeStringForTimeInterval (0);
m_labelRemainingTime.UserInteractionEnabled = true;
m_labelRemainingTime.AddGestureRecognizer (new UITapGestureRecognizer(TapRecognizer));
m_labelRemainingTime.Font = m_labelCurrentTime.Font;
m_labelRemainingTime.TextColor = m_labelCurrentTime.TextColor;
m_labelRemainingTime.TranslatesAutoresizingMaskIntoConstraints = false;
m_viewPlayerDuration.Add (m_labelCurrentTime);
m_viewPlayerDuration.Add (m_playerSlider);
m_viewPlayerDuration.Add (m_labelRemainingTime);
NSLayoutConstraint constraintCurrentTimeLeading = NSLayoutConstraint.Create (m_labelCurrentTime,NSLayoutAttribute.Leading,NSLayoutRelation.Equal,m_viewPlayerDuration,NSLayoutAttribute.Leading,1.0f, 10.0f);
NSLayoutConstraint constraintCurrentTimeTrailing = NSLayoutConstraint.Create (m_playerSlider,NSLayoutAttribute.Leading,NSLayoutRelation.Equal,m_labelCurrentTime,NSLayoutAttribute.Trailing,1.0f,10);
NSLayoutConstraint constraintRemainingTimeLeading = NSLayoutConstraint.Create (m_labelRemainingTime,NSLayoutAttribute.Leading,NSLayoutRelation.Equal,m_playerSlider,NSLayoutAttribute.Trailing,1.0f, 10.0f);
NSLayoutConstraint constraintRemainingTimeTrailing = NSLayoutConstraint.Create (m_viewPlayerDuration,NSLayoutAttribute.Trailing,NSLayoutRelation.Equal,m_labelRemainingTime,NSLayoutAttribute.Trailing,1.0f,10.0f);
NSLayoutConstraint constraintCurrentTimeCenter = NSLayoutConstraint.Create (m_labelCurrentTime,NSLayoutAttribute.CenterY,NSLayoutRelation.Equal,m_viewPlayerDuration,NSLayoutAttribute.CenterY,1.0f,0.0f);
NSLayoutConstraint constraintSliderCenter = NSLayoutConstraint.Create (m_playerSlider,NSLayoutAttribute.CenterY,NSLayoutRelation.Equal,m_viewPlayerDuration,NSLayoutAttribute.CenterY,1.0f,0.0f);
NSLayoutConstraint constraintRemainingTimeCenter = NSLayoutConstraint.Create (m_labelRemainingTime,NSLayoutAttribute.CenterY,NSLayoutRelation.Equal,m_viewPlayerDuration,NSLayoutAttribute.CenterY,1.0f,0.0f);
m_viewPlayerDuration.AddConstraints(new NSLayoutConstraint[]{constraintCurrentTimeLeading,constraintCurrentTimeTrailing,constraintRemainingTimeLeading,constraintRemainingTimeTrailing,constraintCurrentTimeCenter,constraintSliderCenter,constraintRemainingTimeCenter});
}
}
public void AudioRecorderDidFinishRecording(AVAudioRecorder recorder, Boolean flag)
{
}
public void AudioRecorderEncodeErrorDidOccur(AVAudioRecorder recorder, NSError error)
{
}
bool PrepareAudioRecording()
{
//Declare string for application temp path and tack on the file extension
string fileName = string.Format("Myfile{0}.aac", DateTime.Now.ToString("yyyyMMddHHmmss"));
string tempRecording = NSBundle.MainBundle.BundlePath + "/../tmp/" + fileName;
Console.WriteLine(tempRecording);
this.audioFilePath = NSUrl.FromFilename(tempRecording);
var audioSettings = new AudioSettings()
{
SampleRate = 44100.0f,
Format = MonoTouch.AudioToolbox.AudioFormatType.MPEG4AAC,
NumberChannels = 1,
AudioQuality = AVAudioQuality.High
};
//Set recorder parameters
NSError error;
recorder = AVAudioRecorder.Create(this.audioFilePath, audioSettings, out error);
if ((recorder == null) || (error != null))
{
Console.WriteLine(error);
return false;
}
//Set Recorder to Prepare To Record
if (!recorder.PrepareToRecord())
{
recorder.Dispose();
recorder = null;
return false;
}
recorder.FinishedRecording += delegate (object sender, AVStatusEventArgs e)
{
recorder.Dispose();
recorder = null;
Console.WriteLine("Done Recording (status: {0})", e.Status);
};
return true;
}
bool PrepareAudioRecording ()
{
audioFilePath = CreateOutputUrl ();
var audioSettings = new AudioSettings {
SampleRate = 44100,
Format = AudioToolbox.AudioFormatType.MPEG4AAC,
NumberChannels = 1,
AudioQuality = AVAudioQuality.High
};
//Set recorder parameters
NSError error;
recorder = AVAudioRecorder.Create (audioFilePath, audioSettings, out error);
if (error != null) {
Console.WriteLine (error);
return false;
}
//Set Recorder to Prepare To Record
if (!recorder.PrepareToRecord ()) {
recorder.Dispose ();
recorder = null;
return false;
}
recorder.FinishedRecording += OnFinishedRecording;
return true;
}
public static void StartRecording(string FileName)
{
NSObject[] values = new NSObject[]
{
NSNumber.FromFloat(44100.0f),
NSNumber.FromInt32((int)AudioFormatType.LinearPCM),
NSNumber.FromInt32(1),
NSNumber.FromInt32((int)AVAudioQuality.High)
};
NSObject[] keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVEncoderAudioQualityKey
};
NSDictionary settings = NSDictionary.FromObjectsAndKeys (values, keys);
NSUrl url = NSUrl.FromFilename(FileName);
// Set recorder parameters
NSError error;
_recorder = AVAudioRecorder.ToUrl (url, settings, out error);
if (_recorder == null){
Console.WriteLine (error);
return;
}
// Set Metering Enabled so you can get the time of the wav file
_recorder.MeteringEnabled = true;
_recorder.PrepareToRecord();
_recorder.Record();
}
public void StartRecording()
{
NSError error;
var audioSession = AVAudioSession.SharedInstance();
var err = audioSession.SetCategory(AVAudioSessionCategory.PlayAndRecord);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
return;
}
err = audioSession.SetActive(true);
if (err != null)
{
Console.WriteLine("audioSession: {0}", err);
return;
}
var documents = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var temp = Path.Combine(documents, "..", "tmp");
_recordedFileName = Path.Combine(temp, Guid.NewGuid() + ".mp4");
using (var url = new NSUrl(_recordedFileName))
{
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
var values = new NSObject[]
{
NSNumber.FromFloat(44100.0f), //Sample Rate
NSNumber.FromInt32((int) AudioToolbox.AudioFormatType.MPEG4AAC), //AVFormat
NSNumber.FromInt32(2), //Channels
NSNumber.FromInt32(16), //PCMBitDepth
NSNumber.FromBoolean(false), //IsBigEndianKey
NSNumber.FromBoolean(false) //IsFloatKey
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
var keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey,
AVAudioSettings.AVLinearPCMIsBigEndianKey,
AVAudioSettings.AVLinearPCMIsFloatKey
};
//Set Settings with the Values and Keys to create the NSDictionary
var settings = NSDictionary.FromObjectsAndKeys(values, keys);
//Set recorder parameters
_recorder = AVAudioRecorder.Create(url, new AudioSettings(settings), out error);
}
//Set Recorder to Prepare To Record
_recorder.PrepareToRecord();
_recorder.Record();
}
bool PrepareAudioRecording()
{
// You must initialize an audio session before trying to record
var audioSession = AVAudioSession.SharedInstance ();
var err = audioSession.SetCategory (AVAudioSessionCategory.PlayAndRecord);
if(err != null) {
Console.WriteLine ("audioSession: {0}", err);
return false;
}
err = audioSession.SetActive (true);
if(err != null ){
Console.WriteLine ("audioSession: {0}", err);
return false;
}
// Declare string for application temp path and tack on the file extension
string fileName = string.Format ("Myfile{0}.aac", DateTime.Now.ToString ("yyyyMMddHHmmss"));
string tempRecording = Path.Combine (Path.GetTempPath (), fileName);
Console.WriteLine (tempRecording);
this.audioFilePath = NSUrl.FromFilename(tempRecording);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
NSObject[] values = new NSObject[]
{
NSNumber.FromFloat(44100.0f),
NSNumber.FromInt32((int)AudioToolbox.AudioFormatType.MPEG4AAC),
NSNumber.FromInt32(1),
NSNumber.FromInt32((int)AVAudioQuality.High)
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
NSObject[] keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVEncoderAudioQualityKey
};
//Set Settings with the Values and Keys to create the NSDictionary
settings = NSDictionary.FromObjectsAndKeys (values, keys);
//Set recorder parameters
NSError error;
recorder = AVAudioRecorder.Create(this.audioFilePath, new AudioSettings(settings), out error);
if ((recorder == null) || (error != null)) {
Console.WriteLine (error);
return false;
}
//Set Recorder to Prepare To Record
if (!recorder.PrepareToRecord ()) {
recorder.Dispose ();
recorder = null;
return false;
}
recorder.FinishedRecording += delegate (object sender, AVStatusEventArgs e) {
recorder.Dispose ();
recorder = null;
Console.WriteLine ("Done Recording (status: {0})", e.Status);
};
return true;
}
bool PrepareAudioRecording ()
{
//Declare string for application temp path and tack on the file extension
string fileName = string.Format ("Myfile{0}.aac", DateTime.Now.ToString ("yyyyMMddHHmmss"));
string tempRecording = NSBundle.MainBundle.BundlePath + "/../tmp/" + fileName;
Console.WriteLine (tempRecording);
this.audioFilePath = NSUrl.FromFilename(tempRecording);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
NSObject[] values = new NSObject[]
{
NSNumber.FromFloat(44100.0f),
NSNumber.FromInt32((int)MonoTouch.AudioToolbox.AudioFormatType.MPEG4AAC),
NSNumber.FromInt32(1),
NSNumber.FromInt32((int)AVAudioQuality.High)
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
NSObject[] keys = new NSObject[]
{
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVEncoderAudioQualityKey
};
//Set Settings with the Values and Keys to create the NSDictionary
settings = NSDictionary.FromObjectsAndKeys (values, keys);
//Set recorder parameters
NSError error;
recorder = AVAudioRecorder.ToUrl(this.audioFilePath, settings, out error);
if ((recorder == null) || (error != null)) {
Console.WriteLine (error);
return false;
}
//Set Recorder to Prepare To Record
if (!recorder.PrepareToRecord ()) {
recorder.Dispose ();
recorder = null;
return false;
}
recorder.FinishedRecording += delegate (object sender, AVStatusEventArgs e) {
recorder.Dispose ();
recorder = null;
Console.WriteLine ("Done Recording (status: {0})", e.Status);
};
return true;
}
void OnFinishedRecording (object sender, AVStatusEventArgs e)
{
recorder.Dispose ();
recorder = null;
Console.WriteLine ("Done Recording (status: {0})", e.Status);
}
/// <summary>
/// Views the will disappear.
/// </summary>
/// <param name="animated">If set to <c>true</c> animated.</param>
public override void ViewWillDisappear(Boolean animated)
{
base.ViewDidDisappear (animated);
//
if (m_audioPlayer != null)
{
m_audioPlayer.Delegate = null;
m_audioPlayer.Stop ();
m_audioPlayer = null;
}
if (m_audioRecorder != null) {
m_audioRecorder.Delegate = null;
m_audioRecorder.Stop ();
m_audioRecorder = null;
}
StopUpdatingMeter ();
}
