Пример #1
0
// utility - build the ToneProducer's parameter web
static BParameterWeb* make_parameter_web()
{
	FPRINTF(stderr, "make_parameter_web() called\n");

	BParameterWeb* web = new BParameterWeb;
	BParameterGroup* mainGroup = web->MakeGroup("Tone Generator Parameters");

	BParameterGroup* group = mainGroup->MakeGroup("Frequency");
	BParameter* nullParam = group->MakeNullParameter(FREQUENCY_NULL_PARAM, B_MEDIA_NO_TYPE, "Frequency", B_GENERIC);
	BContinuousParameter* param = group->MakeContinuousParameter(FREQUENCY_PARAM, B_MEDIA_NO_TYPE, "", B_GAIN, "Hz", 0, 2500, 0.1);
	nullParam->AddOutput(param);
	param->AddInput(nullParam);

	group = mainGroup->MakeGroup("Amplitude");
	nullParam = group->MakeNullParameter(GAIN_NULL_PARAM, B_MEDIA_NO_TYPE, "Amplitude", B_GENERIC);
	param = group->MakeContinuousParameter(GAIN_PARAM, B_MEDIA_NO_TYPE, "", B_GAIN, "", 0, 1, 0.01);
	nullParam->AddOutput(param);
	param->AddInput(nullParam);

	group = mainGroup->MakeGroup("Waveform");
	nullParam = group->MakeNullParameter(WAVEFORM_NULL_PARAM, B_MEDIA_NO_TYPE, "Waveform", B_GENERIC);
	BDiscreteParameter* waveParam = group->MakeDiscreteParameter(WAVEFORM_PARAM, B_MEDIA_NO_TYPE, "", B_GENERIC);
	waveParam->AddItem(SINE_WAVE, "Sine wave");
	waveParam->AddItem(TRIANGLE_WAVE, "Triangle");
	waveParam->AddItem(SAWTOOTH_WAVE, "Sawtooth");
	nullParam->AddOutput(waveParam);
	waveParam->AddInput(nullParam);

	return web;
}
Пример #2
0
// build the LoggingConsumer's BParameterWeb
static BParameterWeb* build_parameter_web()
{
	BParameterWeb* web = new BParameterWeb;

	BParameterGroup* mainGroup = web->MakeGroup("LoggingConsumer Parameters");
	BParameterGroup* group = mainGroup->MakeGroup("Latency control");
	BParameter* nullParam = group->MakeNullParameter(INPUT_NULL_PARAM, B_MEDIA_NO_TYPE, "Latency", B_GENERIC);
	BParameter* latencyParam = group->MakeContinuousParameter(LATENCY_PARAM, B_MEDIA_NO_TYPE, "",
		B_GAIN, "ms", 5, 100, 5);
	nullParam->AddOutput(latencyParam);
	latencyParam->AddInput(nullParam);

	group = mainGroup->MakeGroup("CPU percentage");
	nullParam = group->MakeNullParameter(CPU_NULL_PARAM, B_MEDIA_NO_TYPE, "CPU spin percentage", B_GENERIC);
	BContinuousParameter* cpuParam = group->MakeContinuousParameter(CPU_SPIN_PARAM, B_MEDIA_NO_TYPE, "",
		B_GAIN, "percent", 5, 80, 5);
	nullParam->AddOutput(cpuParam);
	cpuParam->AddInput(nullParam);

	group = mainGroup->MakeGroup("Priority");
	nullParam = group->MakeNullParameter(PRIO_NULL_PARAM, B_MEDIA_NO_TYPE, "Thread priority", B_GENERIC);
	BDiscreteParameter* prioParam = group->MakeDiscreteParameter(PRIORITY_PARAM, B_MEDIA_NO_TYPE, "", B_GENERIC);
	prioParam->AddItem(5, "B_LOW_PRIORITY");
	prioParam->AddItem(10, "B_NORMAL_PRIORITY");
	prioParam->AddItem(15, "B_DISPLAY_PRIORITY");
	prioParam->AddItem(20, "B_URGENT_DISPLAY_PRIORITY");
	prioParam->AddItem(100, "B_REAL_TIME_DISPLAY_PRIORITY");
	prioParam->AddItem(110, "B_URGENT_PRIORITY");
	prioParam->AddItem(120, "B_REAL_TIME_PRIORITY");

	return web;
}