private void ConvertToMp3()
{
string audio_path = GetWavAudioName();
string mp3Path = GetMp3AudioPath();
if (mAudioWriter != null)
{
mAudioWriter.Dispose(); //Release file
mAudioWriter.WavToMP3(audio_path, mp3Path);
}
}
private string SaveAudioFromBufferToFile()
{
try
{
string fileName = GetWavAudioChildName((mListOfflineAudioFile.Count + 1).ToString());
Queue <WaveInEventArgs> remainRawData = new Queue <WaveInEventArgs>();
double savedAudioLengthInArrayLength = 0;
double saveAudioLengthInSecond = 0;
int remainAudioLength = 0;
AudioWriter wavWriter = new AudioWriter(fileName);
lock (balanceLock)
{
while (saveAudioLengthInSecond < Int16.Parse(mRecordingTime) * 60 && mRawAudioData.Count > 0)
{
WaveInEventArgs rawData = mRawAudioData.Dequeue();
if (saveAudioLengthInSecond >= (Int16.Parse(mRecordingTime) * 60 - 3))
{
remainRawData.Enqueue(rawData);
remainAudioLength += rawData.BytesRecorded;
}
wavWriter.WriteStream(rawData.Buffer, rawData.BytesRecorded);
savedAudioLengthInArrayLength += rawData.BytesRecorded;
saveAudioLengthInSecond = savedAudioLengthInArrayLength / (16000 * 2);
}
while (mRawAudioData.Count > 0)
{
remainRawData.Enqueue(mRawAudioData.Dequeue());
}
mRawAudioData = remainRawData;
mRawAudioLength = remainAudioLength;
}
wavWriter.Dispose();
string mp3FileName = GetMp3AudioChildPath((mListOfflineAudioFile.Count + 1).ToString());
wavWriter.WavToMP3(fileName, mp3FileName);
//Remove wavfile
File.Delete(fileName);
return(mp3FileName);
}
catch
{
return(null);
}
}
private string SaveAllAudioFromBufferFile()
{
lock (balanceLock)
{
if (mRawAudioData.Count < 20)
{
mRawAudioData.Clear();
mRawAudioLength = 0;
return(null);
}
}
try
{
string fileName = GetWavAudioChildName((mListOfflineAudioFile.Count + 1).ToString());
AudioWriter wavWriter = new AudioWriter(fileName);
lock (balanceLock)
{
while (mRawAudioData.Count > 0)
{
WaveInEventArgs rawData = mRawAudioData.Dequeue();
wavWriter.WriteStream(rawData.Buffer, rawData.BytesRecorded);
}
mRawAudioLength = 0;
}
wavWriter.Dispose();
string mp3FileName = GetMp3AudioChildPath((mListOfflineAudioFile.Count + 1).ToString());
wavWriter.WavToMP3(fileName, mp3FileName);
//Remove wavfile
File.Delete(fileName);
return(mp3FileName);
}
catch
{
return(null);
}
}