(new File(filePath)).delete();
}
}
if (audioRecorder != null) {
audioRecorder.release();
}
}
/**
*
*
* Resets the recorder to the INITIALIZING state, as if it was just created.
* In case the class was in RECORDING state, the recording is stopped.
* In case of exceptions the class is set to the ERROR state.
*
*/
public void reset() {
try {
if (state != State.ERROR) {
release();
filePath = null; // Reset file path
audioRecorder = new AudioRecord(mAudioSource, sRate, nChannels, aFormat, mBufferSize);
if (audioRecorder.getState() != AudioRecord.STATE_INITIALIZED) {
throw new Exception("AudioRecord initialization failed");
}
audioRecorder.setRecordPositionUpdateListener(updateListener);
audioRecorder.setPositionNotificationPeriod(mPeriodInFrames);
state = State.INITIALIZING;
}
} catch (Exception e) {
Log.e(WavAudioRecorder.class.getName(), e.getMessage());
state = State.ERROR;
}
}
/**
*
*
* Starts the recording, and sets the state to RECORDING.
* Call after prepare().
*
*/
public void start() {
if (state == State.READY) {
payloadSize = 0;
audioRecorder.startRecording();
audioRecorder.read(buffer, 0, buffer.length); //[TODO: is this necessary]read the existing data in audio hardware, but don't do anything
state = State.RECORDING;
} else {
Log.e(WavAudioRecorder.class.getName(), "start() called on illegal state");
state = State.ERROR;
}
}
/**
*
*
* Stops the recording, and sets the state to STOPPED.
* In case of further usage, a reset is needed.
* Also finalizes the wave file in case of uncompressed recording.
*
*/
public void stop() {
if (state == State.RECORDING) {
audioRecorder.stop();
try {
randomAccessWriter.seek(4); // Write size to RIFF header
randomAccessWriter.writeInt(Integer.reverseBytes(36+payloadSize));
randomAccessWriter.seek(40); // Write size to Subchunk2Size field
