static bool
parameter_should_be_hidden(BParameter ¶meter)
{
// ToDo: note, this is probably completely stupid, but it's the only
// way I could safely remove the null parameters that are not shown
// by the R5 media theme
if (parameter.Type() != BParameter::B_NULL_PARAMETER
|| strcmp(parameter.Kind(), B_WEB_PHYSICAL_INPUT))
return false;
for (int32 i = 0; i < parameter.CountOutputs(); i++) {
if (!strcmp(parameter.OutputAt(0)->Kind(), B_INPUT_MUX))
return true;
}
return false;
}
status_t
Controller::ConnectInterface(int i)
{
if (i < 0) {
printf("Controller::ConnectInterface: wrong index\n");
return B_ERROR;
}
if (fCurrentInterface != -1) {
printf("Controller::ConnectInterface: already connected\n");
return B_ERROR;
}
BParameterWeb *web;
status_t err;
err = gDeviceRoster->MediaRoster()->GetParameterWebFor(gDeviceRoster->DeviceNode(i), &web);
if (err != B_OK) {
printf("Controller::ConnectInterface: can't get parameter web\n");
return B_ERROR;
}
delete fWeb;
fWeb = web;
fCurrentInterface = i;
// XXX we may need to monitor for parameter web changes
// and reassing fWeb and fChannelParam on demand.
// find the channel control and assign it to fChannelParam
fChannelParam = NULL;
int count = fWeb->CountParameters();
for (int i = 0; i < count; i++) {
BParameter *parameter = fWeb->ParameterAt(i);
printf("parameter %d\n", i);
printf(" name '%s'\n", parameter->Name());
printf(" kind '%s'\n", parameter->Kind());
printf(" unit '%s'\n", parameter->Unit());
printf(" flags 0x%08" B_PRIx32 "\n", parameter->Flags());
// XXX TODO: matching on Name is weak
if (strcmp(parameter->Name(), "Channel") == 0 || strcmp(parameter->Kind(), B_TUNER_CHANNEL) == 0) {
fChannelParam = dynamic_cast<BDiscreteParameter *>(parameter);
if (fChannelParam)
break;
}
}
if (!fChannelParam) {
printf("Controller::ConnectInterface: can't find channel parameter control\n");
fCurrentChannel = -1;
} else {
if (fChannelParam->CountItems() == 0) {
fCurrentChannel = -1;
printf("Controller::ConnectInterface: channel control has 0 items\n");
} else {
int32 index;
size_t size;
status_t err;
bigtime_t when;
size = sizeof(index);
err = fChannelParam->GetValue(&index, &size, &when);
if (err == B_OK && size == sizeof(index)) {
fCurrentChannel = index;
printf("Controller::ConnectInterface: selected channel is %d\n", fCurrentChannel);
} else {
fCurrentChannel = -1;
printf("Controller::ConnectInterface: can't get channel control value\n");
}
}
}
ConnectNodes();
return B_OK;
}