C++ (Cpp) IPXdevLCore::plug Examples

Example #1

File: audio_synthesizer_demo.cpp Project: yaakuro/XdevLSDK

int main (int argc, char *argv[]) {
	// Let's register the CTRL + c signal handler.
	if(signal(SIGINT, exitHandle) == SIG_ERR) {
		std::cerr <<  "Failed to set SIGINT handler." << std::endl;
		return -1;
	}

	// Register termination handler.
	if(signal(SIGTERM, exitHandle) == SIG_ERR) {
		std::cerr <<  "Failed to set SIGTERM handler." << std::endl;
		return -1;
	}

	if(xdl::createCore(&core, argc, argv) != xdl::RET_SUCCESS) {
		return -1;
	}


	if(core->plug(xdl::XdevLPluginName("XdevLAudioAlsa"), xdl::XdevLVersion(0, 6, 0)) != xdl::RET_SUCCESS) {
		xdl::destroyCore(core);
		return -1;
	}

	alsa_playback = xdl::createModule<xdl::XdevLAudioPlayback*>(core, xdl::XdevLModuleName("XdevLAudioPlayback"), xdl::XdevLID("MyAlsaPlayback"));
	if(isModuleNotValid(alsa_playback)) {
		xdl::destroyCore(core);
		return -1;
	}

	xdl::IPXdevLAudioBuffer buffer2 = alsa_playback->createAudioBuffer(xdl::AUDIO_BUFFER_FORMAT_S16, xdl::AUDIO_SAMPLE_RATE_44100, 1, 0, nullptr);
	if(nullptr == buffer2) {
		xdl::destroyCore(core);
		return -1;
	}
	
	alsa_playback->setCallbackFunction(callback, nullptr);

	for(;;) {
		core->update();
		alsa_playback->update2();
	}

	xdl::destroyCore(core);
}

Example #2

File: audio_capture_demo.cpp Project: yaakuro/XdevLSDK

int main (int argc, char *argv[]) {
	// Let's register the CTRL + c signal handler.
	if(signal(SIGINT, exitHandle) == SIG_ERR) {
		std::cerr <<  "Failed to set SIGINT handler." << std::endl;
		return -1;
	}

	// Register termination handler.
	if(signal(SIGTERM, exitHandle) == SIG_ERR) {
		std::cerr <<  "Failed to set SIGTERM handler." << std::endl;
		return -1;
	}

	if(xdl::createCore(&core, argc, argv) != xdl::RET_SUCCESS) {
		return -1;
	}

	if(core->plug(xdl::XdevLPluginName("XdevLAudioAlsa"), xdl::XdevLVersion(0, 6, 0)) != xdl::RET_SUCCESS) {
		xdl::destroyCore(core);
		return -1;
	}

	alsa_capture = xdl::createModule<xdl::XdevLAudioCapture*>(core, xdl::XdevLModuleName("XdevLAudioCapture"), xdl::XdevLID("MyAlsaRecord"));
	if(isModuleNotValid(alsa_capture)) {
		xdl::destroyCore(core);
		return -1;
	}

	alsa_playback = xdl::createModule<xdl::XdevLAudioPlayback*>(core, xdl::XdevLModuleName("XdevLAudioPlayback"), xdl::XdevLID("MyAlsaPlayback"));
	if(isModuleNotValid(alsa_playback)) {
		xdl::destroyCore(core);
		return -1;
	}

	xdl::IPXdevLAudioBuffer buffer = alsa_capture->createAudioBuffer(xdl::AUDIO_BUFFER_FORMAT_S16, xdl::AUDIO_SAMPLE_RATE_44100, 1, 0, nullptr);
	if(nullptr == buffer) {
		xdl::destroyCore(core);
		return -1;
	}

	xdl::IPXdevLAudioBuffer buffer2 = alsa_playback->createAudioBuffer(xdl::AUDIO_BUFFER_FORMAT_S16, xdl::AUDIO_SAMPLE_RATE_44100, 1, 0, nullptr);
	if(nullptr == buffer2) {
		xdl::destroyCore(core);
		return -1;
	}

	std::cout << "Started recording. Please say something into your microphone for 5 seconds" << std::endl;

	std::ofstream file("audio.raw", std::ios::binary);

	xdl::xdl_uint8* tmp = new xdl::xdl_uint8[alsa_capture->getBufferSize()];

	xdl::xdl_int loops = 5000000/alsa_capture->getPeriodTime();

	for(xdl::xdl_int loop = 0; loop < loops; loop++) {
		alsa_capture->read(tmp);
		file.write((char*)tmp, alsa_capture->getBufferSize());
	}

	file.close();


	// Playback raw file.
	//
	std::cout << "Finished recording. Playing back raw audio file." << std::endl;

	std::ifstream file_read("audio.raw", std::ios::binary);
	file_read.seekg (0, std::ios::beg);

	auto tmp2 = new xdl::xdl_uint8[alsa_playback->getBufferSize()];

	for(;;) {
		file_read.read((char*)tmp2, alsa_capture->getBufferSize());
		alsa_playback->write(tmp2);
	}
	
	file_read.close();

	xdl::destroyCore(core);
}