xournalpp/src/util/audio/AudioRecorder.cpp

#include <utility>

#include "AudioRecorder.h"

AudioRecorder::AudioRecorder(Settings* settings)
 : settings(settings)
{
	XOJ_INIT_TYPE(AudioRecorder);

	this->audioQueue = new AudioQueue();
	this->portAudioProducer = new PortAudioProducer(settings, this->audioQueue);
	this->soxConsumer = new SoxConsumer(this->audioQueue);
}

AudioRecorder::~AudioRecorder()
{
	XOJ_CHECK_TYPE(AudioRecorder);

	delete this->portAudioProducer;
	this->portAudioProducer = nullptr;

	delete this->soxConsumer;
	this->soxConsumer = nullptr;

	delete this->audioQueue;
	this->audioQueue = nullptr;

	XOJ_RELEASE_TYPE(AudioRecorder);
}

void AudioRecorder::start(string filename)
{
	XOJ_CHECK_TYPE(AudioRecorder);

	// Start the consumer for writing the data
	// TODO get sample rate from settings
	this->soxConsumer->start(std::move(filename), 44100.0, this->portAudioProducer->getSelectedInputDevice());

	// Start recording
	this->portAudioProducer->startRecording();
}

void AudioRecorder::stop()
{
	XOJ_CHECK_TYPE(AudioRecorder);

	// Stop recording audio
	this->portAudioProducer->stopRecording();

	// Wait for libsox to write all the data
	this->soxConsumer->join();

	// Reset the queue for the next recording
	this->audioQueue->reset();
}