// 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;
}
// 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;
}
void
EqualizerNode::InitParameterWeb(void)
{
fWeb = new BParameterWeb();
BParameterGroup* fParamGroup = fWeb->MakeGroup("EqualizerNode Parameters");
BParameterGroup* fFControlGroup = fParamGroup->MakeGroup("FilterControl");
fFControlGroup->MakeDiscreteParameter(P_MUTE,B_MEDIA_NO_TYPE,"Mute",
B_ENABLE);
fFControlGroup->MakeDiscreteParameter(P_BYPASS,B_MEDIA_NO_TYPE,"ByPass",
B_ENABLE);
BNullParameter* label;
BParameterGroup* group;
BContinuousParameter* value;
group = fParamGroup->MakeGroup("Pre Amp");
label = group->MakeNullParameter(P_PREAMP_LABEL, B_MEDIA_NO_TYPE, "Pre Amp",
B_GENERIC);
value = group->MakeContinuousParameter(P_PREAMP, B_MEDIA_NO_TYPE, "",
B_GAIN, "dB", -8.0, 8.0, 0.1);
label->AddOutput(value);
value->AddInput(label);
for (int i = 0; i < fEqualizer.BandCount(); i++) {
char freq[32];
sprintf(freq,"%gHz",fEqualizer.BandFrequency(i));
group = fParamGroup->MakeGroup(freq);
label = group->MakeNullParameter(P_BAND_LABELS + i, B_MEDIA_NO_TYPE,
freq, B_GENERIC);
value = group->MakeContinuousParameter(P_BANDS + i, B_MEDIA_NO_TYPE,
"", B_GAIN, "dB", -16.0, 16.0, 0.1);
label->AddOutput(value);
value->AddInput(label);
}
SetParameterWeb(fWeb);
}
// protected:
BParameterWeb * AbstractFileInterfaceNode::MakeParameterWeb(void)
{
CALLED();
BParameterWeb * web = new BParameterWeb();
BParameterGroup * mainGroup = web->MakeGroup("AbstractFileInterfaceNode Parameters");
// these three are related:
// DEFAULT_CHUNK_SIZE_PARAM =
// DEFAULT_BIT_RATE_PARAM / 1024 * DEFAULT_BUFFER_PERIOD_PARAM * 1000
BParameterGroup * chunkSizeGroup = mainGroup->MakeGroup("Chunk Size Group");
BContinuousParameter * chunkSizeParameter
= chunkSizeGroup->MakeContinuousParameter(
DEFAULT_CHUNK_SIZE_PARAM, B_MEDIA_MULTISTREAM,
"Chunk Size", B_GAIN, "bytes", 1024, 32*1024, 512);
chunkSizeParameter->SetResponse(BContinuousParameter::B_LINEAR,1,0);
chunkSizeParameter->SetValue(&fDefaultChunkSizeParam,sizeof(fDefaultChunkSizeParam),0);
BParameterGroup * bitRateGroup = mainGroup->MakeGroup("Bit Rate Group");
BContinuousParameter * bitRateParameter
= bitRateGroup->MakeContinuousParameter(
DEFAULT_BIT_RATE_PARAM, B_MEDIA_MULTISTREAM,
"Bit Rate", B_GAIN, "kbits/sec", 1, 320000, 1);
bitRateParameter->SetResponse(BContinuousParameter::B_LINEAR,.001,0);
bitRateParameter->SetValue(&fDefaultBitRateParam,sizeof(fDefaultBitRateParam),0);
BParameterGroup * bufferPeriodGroup = mainGroup->MakeGroup("Buffer Period Group");
BContinuousParameter * bufferPeriodParameter
= bufferPeriodGroup->MakeContinuousParameter(
DEFAULT_BUFFER_PERIOD_PARAM, B_MEDIA_MULTISTREAM,
"Buffer Period", B_GAIN, "ms", 1, 10000, 1);
bufferPeriodParameter->SetResponse(BContinuousParameter::B_LINEAR,1,0);
bufferPeriodParameter->SetValue(&fDefaultBufferPeriodParam,sizeof(fDefaultBufferPeriodParam),0);
return web;
}
// create and register a parameter web
void FlangerNode::initParameterWeb() {
BParameterWeb* pWeb = new BParameterWeb();
BParameterGroup* pTopGroup = pWeb->MakeGroup("FlangerNode Parameters");
BNullParameter* label;
BContinuousParameter* value;
BParameterGroup* g;
// mix ratio
g = pTopGroup->MakeGroup("Mix ratio");
label = g->MakeNullParameter(
P_MIX_RATIO_LABEL,
B_MEDIA_NO_TYPE,
"Mix ratio",
B_GENERIC);
value = g->MakeContinuousParameter(
P_MIX_RATIO,
B_MEDIA_NO_TYPE,
"",
B_GAIN, "", 0.0, 1.0, 0.05);
label->AddOutput(value);
value->AddInput(label);
// sweep rate
g = pTopGroup->MakeGroup("Sweep rate");
label = g->MakeNullParameter(
P_SWEEP_RATE_LABEL,
B_MEDIA_NO_TYPE,
"Sweep rate",
B_GENERIC);
value = g->MakeContinuousParameter(
P_SWEEP_RATE,
B_MEDIA_NO_TYPE,
"",
B_GAIN, "Hz", 0.01, 10.0, 0.01);
label->AddOutput(value);
value->AddInput(label);
// sweep range: minimum delay
g = pTopGroup->MakeGroup("Delay");
label = g->MakeNullParameter(
P_DELAY_LABEL,
B_MEDIA_NO_TYPE,
"Delay",
B_GENERIC);
value = g->MakeContinuousParameter(
P_DELAY,
B_MEDIA_NO_TYPE,
"",
B_GAIN, "ms", 0.1, s_fMaxDelay/2.0, 0.1);
label->AddOutput(value);
value->AddInput(label);
// sweep range: maximum
g = pTopGroup->MakeGroup("Depth");
label = g->MakeNullParameter(
P_DEPTH_LABEL,
B_MEDIA_NO_TYPE,
"Depth",
B_GENERIC);
value = g->MakeContinuousParameter(
P_DEPTH,
B_MEDIA_NO_TYPE,
"",
B_GAIN, "ms", 1.0, s_fMaxDelay/4.0, 0.1);
label->AddOutput(value);
value->AddInput(label);
// feedback
g = pTopGroup->MakeGroup("Feedback");
label = g->MakeNullParameter(
P_FEEDBACK_LABEL,
B_MEDIA_NO_TYPE,
"Feedback",
B_GENERIC);
value = g->MakeContinuousParameter(
P_FEEDBACK,
B_MEDIA_NO_TYPE,
"",
B_GAIN, "", 0.0, 1.0, 0.01);
label->AddOutput(value);
value->AddInput(label);
// * Install parameter web
SetParameterWeb(pWeb);
}