// 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;
}
DiscreteMessageFilter::DiscreteMessageFilter(BControl *control,
BDiscreteParameter ¶meter)
: MessageFilter(),
fParameter(parameter)
{
// initialize view for us
control->SetMessage(new BMessage(kMsgParameterChanged));
// set initial value
size_t size = sizeof(int32);
int32 value;
if (parameter.GetValue((void *)&value, &size, NULL) < B_OK) {
ERROR("DiscreteMessageFilter: Could not get value for discrete "
"parameter %p (name '%s', node %d)\n", ¶meter,
parameter.Name(), (int)(parameter.Web()->Node().node));
return;
}
if (BCheckBox *checkBox = dynamic_cast<BCheckBox *>(control)) {
checkBox->SetValue(value);
} else if (BOptionPopUp *popUp = dynamic_cast<BOptionPopUp *>(control)) {
popUp->SelectOptionFor(value);
} else
ERROR("DiscreteMessageFilter: unknown discrete parameter view\n");
}
// 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;
}
FlipTransition::FlipTransition(BMediaAddOn* pAddOn) :
// * init base classes
BMediaNode(s_nodeName), // (virtual base)
BBufferConsumer(B_MEDIA_RAW_VIDEO),
BBufferProducer(B_MEDIA_RAW_VIDEO),
BControllable(),
BMediaEventLooper(),
// * init connection state
m_outputEnabled(true),
m_downstreamLatency(0),
m_processingLatency(0),
// * init add-on stuff
m_pAddOn(pAddOn)
{
// the rest of the initialization happens in NodeRegistered().
BParameterWeb *web = new BParameterWeb();
BParameterGroup *main = web->MakeGroup(Name());
BContinuousParameter *pstate = main->MakeContinuousParameter(P_STATE,B_MEDIA_RAW_VIDEO,"State (%)","","",0.0,100.0,1.0);
BContinuousParameter *pdx = main->MakeContinuousParameter(P_X,B_MEDIA_RAW_VIDEO,"X offset (%)","","",0.0,100.0,1.0);
BContinuousParameter *pdy = main->MakeContinuousParameter(P_Y,B_MEDIA_RAW_VIDEO,"Y offset (%)","","",0.0,100.0,1.0);
BContinuousParameter *pr = main->MakeContinuousParameter(P_RED,B_MEDIA_RAW_VIDEO,"Background Redness","","",0.0,255.0,1.0);
BContinuousParameter *pg = main->MakeContinuousParameter(P_GREEN,B_MEDIA_RAW_VIDEO,"Background Greeness","","",0.0,255.0,1.0);
BContinuousParameter *pb = main->MakeContinuousParameter(P_BLUE,B_MEDIA_RAW_VIDEO,"Background Blueness","","",0.0,255.0,1.0);
BDiscreteParameter *pmode = main->MakeDiscreteParameter(P_MODE,B_MEDIA_RAW_VIDEO,"Mode","");
pmode->AddItem(0,"Horizontal");
pmode->AddItem(1,"Vertical");
pmode->AddItem(2,"Both");
TState = 0;
Mode = 0;
Red=Green=Blue=0;
Dx=Dy=50;
fLastStateChange = system_time();
firstInputBufferHere = false;
secondInputBufferHere = false;
buffers = NULL;
transitionBuffer = NULL;
/* After this call, the BControllable owns the BParameterWeb object and
* will delete it for you */
SetParameterWeb(web);
fRoster = BMediaRoster::Roster();
fRoster->RegisterNode(this);
}
void _AudioAdapterParams::populateGroup(
BParameterGroup* group) {
BParameterGroup* inputGroup = group->MakeGroup("Input Format");
BNullParameter* groupName;
BDiscreteParameter* param;
groupName = inputGroup->MakeNullParameter(
0, B_MEDIA_NO_TYPE, "Input Format", B_GENERIC);
param = inputGroup->MakeDiscreteParameter(
P_INPUT_FORMAT,
B_MEDIA_NO_TYPE,
"Sample format:",
B_GENERIC);
param->AddItem(
0,
"*");
param->AddItem(
media_multi_audio_format::B_AUDIO_FLOAT,
"float");
param->AddItem(
media_multi_audio_format::B_AUDIO_SHORT,
"short");
param->AddItem(
media_multi_audio_format::B_AUDIO_INT,
"int32");
param->AddItem(
media_multi_audio_format::B_AUDIO_UCHAR,
"uint8");
param = inputGroup->MakeDiscreteParameter(
P_INPUT_CHANNEL_COUNT,
B_MEDIA_NO_TYPE,
"Channels:",
B_GENERIC);
param->AddItem(
0,
"*");
param->AddItem(
1,
"mono");
param->AddItem(
2,
"stereo");
param->AddItem(
4,
"4");
param->AddItem(
8,
"8");
BParameterGroup* outputGroup = group->MakeGroup("Output Format");
groupName = outputGroup->MakeNullParameter(
0, B_MEDIA_NO_TYPE, "Output Format", B_GENERIC);
param = outputGroup->MakeDiscreteParameter(
P_OUTPUT_FORMAT,
B_MEDIA_NO_TYPE,
"Sample format:",
B_GENERIC);
param->AddItem(
0,
"*");
param->AddItem(
media_multi_audio_format::B_AUDIO_FLOAT,
"float");
param->AddItem(
media_multi_audio_format::B_AUDIO_SHORT,
"short");
param->AddItem(
media_multi_audio_format::B_AUDIO_INT,
"int32");
param->AddItem(
media_multi_audio_format::B_AUDIO_UCHAR,
"uint8");
param = outputGroup->MakeDiscreteParameter(
P_OUTPUT_CHANNEL_COUNT,
B_MEDIA_NO_TYPE,
"Channels:",
B_GENERIC);
param->AddItem(
0,
"*");
param->AddItem(
1,
"mono");
param->AddItem(
2,
"stereo");
param->AddItem(
4,
"4");
param->AddItem(
8,
"8");
}
