private void AudioRecorder_StateChanged(object sender, RecorderStateChangedEventArgs e)
{
Console.WriteLine("[AudioRecorder_StateChanged] " + e.PreviousState + " --> " + e.CurrentState);
switch (e.CurrentState)
{
case RecorderState.Idle:
_state = AudioRecordState.Idle;
break;
case RecorderState.Paused:
_state = AudioRecordState.Paused;
break;
case RecorderState.Ready:
_state = AudioRecordState.Ready;
break;
case RecorderState.Recording:
_state = AudioRecordState.Recording;
break;
}
stateCallbacks(sender, (AudioRecordState)e.PreviousState, (AudioRecordState)e.CurrentState);
}
public AudioRecordService()
{
_state = AudioRecordState.Init;
numbering = 0;
// Create an audio recorder
if (_recorder == null)
{
// find out the available audio codec and file format
RecorderAudioCodec AudioCodec = RecorderAudioCodec.Amr;
foreach (RecorderAudioCodec codec in Recorder.GetSupportedAudioCodecs())
{
//Console.WriteLine("RecorderAudioCodec : " + codec);
foreach (RecorderFileFormat format in codec.GetSupportedFileFormats())
{
//Console.WriteLine(" RecorderFileFormat : " + format);
if (format == AudioFileFormat)
{
AudioCodec = codec;
break;
}
}
}
//
Console.WriteLine("+++ Selected AudioCodec : " + AudioCodec + " Format : " + AudioFileFormat);
// 2017-12-08: Todo need to roll back..
//_recorder = new AudioRecorder(AudioCodec, AudioFileFormat);
//RecorderAudioCodec audioCodec, RecorderFileFormat fileFormat
_recorder = new AudioRecorder(AudioCodec, AudioFileFormat);
_recorder.StateChanged += AudioRecorder_StateChanged;
_recorder.RecordingStatusChanged += AudioRecorder_RecordingStatusChanged;
_recorder.RecordingLimitReached += AudioRecorder_RecordingLimitReached;
_recorder.ErrorOccurred += AudioRecorder_ErrorOccurred;
AudioRecorder.DeviceStateChanged += AudioRecorder_DeviceStateChanged;
_recorder.Interrupting += AudioRecorder_Interrupting;
//audioRecorder.ApplyAudioStreamPolicy(new AudioStreamPolicy(AudioStreamType.Media));
//audioRecorder.AudioChannels = 2;
_recorder.AudioDevice = RecorderAudioDevice.Mic;
_recorder.AudioBitRate = 128000;
_recorder.AudioSampleRate = AMC_CODEC_AUDIO_SAMPLE_RATE;
if (_recorder.State != RecorderState.Idle)
{
Console.WriteLine("AudioRecordService() : Invalid State (" + _recorder.State + ")" + "...may retry?");
}
_recorder.Prepare();
if (_recorder.State != RecorderState.Ready)
{
Console.WriteLine("AudioRecordService() : Invalid State (" + _recorder.State + ")" + "...may retry?");
}
try
{
SystemStorage internalStorage = StorageManager.Storages.Where(s => s.StorageType == StorageArea.Internal).FirstOrDefault();
var SoundsDir = internalStorage.GetAbsolutePath(DirectoryType.Sounds);
audioStoragePath = Path.Combine(SoundsDir, "DotnetVoiceMemo");
// Create directory to save audio files
Directory.CreateDirectory(audioStoragePath);
}
catch (Exception e)
{
Toast.DisplayText(e.Message + " - DotnetVoiceMemo directory creation failed.");
}
}
}
