// this is to stop the recording
// desc: this will first check the condition and stops the recording and then capture any left overs recorded data which is not saved
public void StopRecording()
{
events.AudioRecorderEvents.StateChanged e = new events.AudioRecorderEvents.StateChanged(mState);
mState = AudioRecorderState.Idle;
StateChanged(this, e);
if (null != NotificationEvent)
{
Capturing = false;
NotificationEvent.Set();
}
if (null != applicationBuffer)
{
if (applicationBuffer.Capturing)
{
InitRecording(false);
}
}
applicationNotify = null;
applicationBuffer = null;
FileInfo fi = new FileInfo(m_sFileName);
if (fi.Length == 44)
{
File.Delete(m_sFileName);
}
}
//it will start actual recording, append if there is data
//in the wave file through the RecordCaptureData()
public void InitRecording(bool SRecording)
{
//if no device is set then it is informed then no device is set
if (null == m_cApplicationDevice)
{
throw new Exception("no device is set for recording");
}
//format of the capture buffer and the input format is compared
//if not same then it is informed that formats do not match
if (dsc.Format.ToString() != InputFormat.ToString())
{
throw new Exception("formats do not match");
}
if (SRecording)
{
StateChanged mStateChanged = new StateChanged(mState);
mState = AudioRecorderState.Recording;
FireEvent(mStateChanged);
CreateCaptureBuffer(Index);
applicationBuffer.Start(true); //it will set the looping till the stop is used
}
else
{
applicationBuffer.Stop();
RecordCapturedData();
Writer = new BinaryWriter(File.OpenWrite(m_sFileName));
long Audiolength = (long)(SampleCount + 44);
CalculationFunctions cf = new CalculationFunctions();
for (int i = 0; i < 4; i++)
{
Writer.BaseStream.Position = i + 4;
Writer.Write(Convert.ToByte(cf.ConvertFromDecimal(Audiolength)[i]));
}
for (int i = 0; i < 4; i++)
{
Writer.BaseStream.Position = i + 40;
Writer.Write(Convert.ToByte(cf.ConvertFromDecimal(SampleCount)[i]));
}
Writer.Close(); // Close the file now.
Writer = null; // Set the writer to null.
//m_AudioMediaAsset = new AudioMediaAsset(ProjectDirectory+"\\"+m_sFileName);
m_AudioMediaAsset = new AudioMediaAsset(m_sFileName);
if (OldAsset.SizeInBytes > 44)
{
OldAsset.MergeWith(m_AudioMediaAsset);
//m_AudioMediaAsset = OldAsset;
}
}
}
public void StartListening(IAudioMediaAsset asset)
{
StateChanged mStateChanged = new StateChanged(mState);
mState = AudioRecorderState.Listening;
FireEvent(mStateChanged);
//m_AudioMediaAsset = new AudioMediaAsset(asset.Path);
// m_AudioMediaAsset = asset;
m_sFileName = GetFileName();
OldAsset = new AudioMediaAsset(asset.Path);
Writer = new BinaryWriter(File.OpenWrite(m_sFileName));
CreateRIFF(Writer, m_sFileName);
InitRecording(true);
}
public AudioRecorder()
{
Index = 0;
if (0 == m_ConstructorCounter)
{
m_ConstructorCounter++;
mState = AudioRecorderState.Idle;
Capturing = true;
}
else
{
throw new Exception("This class is Singleton");
}
}
//it stops the recording
public void StopRecording()
{
// name: this is to stop the recording
// desc: this will first check the condition and stops the recording and then capture any left overs recorded data which is not saved
StateChanged mStateChanged = new StateChanged(mState);
mState = AudioRecorderState.Idle;
FireEvent(mStateChanged);
Capturing = false;
NotificationEvent.Set();
if (null != applicationBuffer)
{
if (applicationBuffer.Capturing)
{
InitRecording(false);
}
}
}
//it will start actual recording, append if there is data
//in the wave file through the RecordCaptureData()
public void StartRecording(IAudioMediaAsset asset)
{
events.AudioRecorderEvents.StateChanged e = new events.AudioRecorderEvents.StateChanged(mState);
mState = AudioRecorderState.Recording;
StateChanged(this, e);
m_Channels = asset.Channels;
m_SampleRate = asset.SampleRate;
m_bitDepth = asset.BitDepth;
mAsset = new AudioMediaAsset(m_Channels, m_bitDepth, m_SampleRate);
mAsset = asset.Copy() as AudioMediaAsset;
AssetManager manager = mAsset.Manager as AssetManager;
sProjectDirectory = manager.DirPath;
InputFormat = GetInputFormat();
m_sFileName = GetFileName();
BinaryWriter bw = new BinaryWriter(File.Create(m_sFileName));
CreateRIFF(bw);
CreateCaptureBuffer();
InitRecording(true);
}
// this is to stop the recording
// desc: this will first check the condition and stops the recording and then capture any left overs recorded data which is not saved
public void StopRecording()
{
StateChanged mStateChanged = new StateChanged(mState);
mState = AudioRecorderState.Idle;
FireEvent(mStateChanged);
if (null != NotificationEvent)
{
Capturing = false;
NotificationEvent.Set();
}
if (null != applicationBuffer)
{
if (applicationBuffer.Capturing)
{
InitRecording(false);
}
}
applicationNotify = null;
applicationBuffer = null;
}
// bool BOOLListen = false;
public void StartListening(IAudioMediaAsset asset)
{
StateChanged mStateChanged = new StateChanged(mState);
mState = AudioRecorderState.Listening;
FireEvent(mStateChanged);
m_Channels = asset.Channels;
m_bitDepth = asset.BitDepth;
m_SampleRate = asset.SampleRate;
mAsset = new AudioMediaAsset(m_Channels, m_bitDepth, m_SampleRate);
mAsset = asset.Copy() as AudioMediaAsset;
AssetManager manager = asset.Manager as AssetManager;
sProjectDirectory = manager.DirPath;
InputFormat = GetInputFormat();
m_sFileName = sProjectDirectory + "\\" + "Listen.wav";
BinaryWriter ListenWriter = new BinaryWriter(File.Create(m_sFileName));
CreateRIFF(ListenWriter);
CreateCaptureBuffer();
InitRecording(true);
}
/// <summary>
/// Create a new StateChanged event.
/// </summary>
/// <param name="oldState">The state of the recorder before the change.</param>
public StateChanged(AudioRecorderState oldState)
{
mOldState = oldState;
}
public StateChanged(AudioRecorderState newState)
{
mState = newState;
}
