view sv/audioio/AudioRecording.cpp @ 282:d9319859a4cf tip

(none)

#include "AudioRecording.h"


AudioRecording::AudioRecording(){
	_isRecording = false;

}

AudioRecording::~AudioRecording(){

}

int AudioRecording::myCallback( void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, PaTimestamp outTime, void *userData )
{
	//float *in = (float *) inputBuffer;
	SNDFILE* file  = (SNDFILE*)userData;

	if( inputBuffer == NULL ) return 0;
	
	//
	//	sf_writef_float(file, (float*)inputBuffer, framesPerBuffer);
	//else
		sf_writef_short(file, (short*)inputBuffer, framesPerBuffer);


	return 0;
}


void AudioRecording::recordAudio(const char *path) //QString& fileName)
{
	Pa_Initialize();
	
	SF_INFO fileInfo;
    fileInfo.samplerate = 16000;
    fileInfo.channels = 1;
    fileInfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;//SF_FORMAT_FLOAT;
 
	
	_file = sf_open(path, SFM_WRITE, &fileInfo);
	if (_file != NULL) {
		Pa_OpenDefaultStream(&_stream,fileInfo.channels, 0, /* mon input, no output */
							paInt16/*paFloat32*/, fileInfo.samplerate,
							64, 0, /* 64 frames per buffer, let PA determine numBuffers */
							myCallback, (void*)_file);
	
		Pa_StartStream( _stream );
	}
}

void AudioRecording::rect(){
	_isRecording = true;
	recordAudio("c:/test.wav");
}

void AudioRecording::stopRect(){
	if(_isRecording){
		if(_file != NULL){
			Pa_StopStream( _stream );
			Pa_CloseStream( _stream );
			sf_close(_file);
		}
		Pa_Terminate();
		_isRecording = false;
	}
}

bool AudioRecording::isRecording(){
	return _isRecording;
}