CubicSDR/src/audio/AudioThread.cpp

#include "AudioThread.h"
#include "CubicSDRDefs.h"
#include <vector>

AudioThread::AudioThread(AudioThreadInputQueue *inputQueue) :
		inputQueue(inputQueue), terminated(false) { // , stream(NULL)

}

AudioThread::~AudioThread() {

}

void AudioThread::threadMain() {
    std::cout << "Audio thread initializing.." << std::endl;

//	PaError err;
//	err = Pa_Initialize();
//	if (err != paNoError) {
//		std::cout << "Error starting portaudio :(" << std::endl;
//		return;
//	}
//
//	int preferred_device = -1;
//
//	outputParameters.device =
//			(preferred_device != -1) ?
//					preferred_device : Pa_GetDefaultOutputDevice();
//	if (outputParameters.device == paNoDevice) {
//		std::cout << "Error: No default output device.\n";
//	}
//
//	outputParameters.channelCount = 2;
//	outputParameters.sampleFormat = paFloat32;
//	outputParameters.suggestedLatency = Pa_GetDeviceInfo(
//			outputParameters.device)->defaultHighOutputLatency;
//	outputParameters.hostApiSpecificStreamInfo = NULL;
//
//	stream = NULL;
//
//	err = Pa_OpenStream(&stream, NULL, &outputParameters, AUDIO_FREQUENCY,
//			paFramesPerBufferUnspecified, paClipOff, NULL, NULL);

//	err = Pa_StartStream(stream);
//	if (err != paNoError) {
//		std::cout << "Error starting stream: " << Pa_GetErrorText(err)
//				<< std::endl;
//		std::cout << "\tPortAudio error: " << Pa_GetErrorText(err) << std::endl;
//	}

	while (!terminated) {
		AudioThreadInput inp;
		inputQueue->pop(inp);
		if (inp.data.size()) {
//		    Pa_WriteStream(stream, &inp.data[0], inp.data.size()/2);
		}
	}

//    err = Pa_StopStream(stream);
//    err = Pa_CloseStream(stream);
//    Pa_Terminate();

    std::cout << "Audio thread done." << std::endl;
}

void AudioThread::terminate() {
    terminated = true;
    AudioThreadInput endCond;   // push an empty input to bump the queue
    inputQueue->push(endCond);
}