media-add-ons/multi_audio/MultiAudioNode.cpp

887 	// Are we being passed the buffer group we're already using?
891 	// Ahh, someone wants us to use a different buffer group.  At this point
893 	// If the specified group is NULL, we need to recreate one ourselves, and
896 	// group, otherwise we'll deadlock waiting for that buffer to be recycled!
900 		// we were given a valid group; just use that one from now on
903 		// we were passed a NULL group pointer; that means we construct
904 		// our own buffer group to use from now on
907 		BBufferGroup* group = new BBufferGroup(size, count);
908 		if (group == NULL || group->InitCheck() != B_OK) {
909 			delete group;
911 				"instantiate a new group.\n");
914 		channel->fBufferGroup = group;
1010 	// Set up the buffer group for our connection, as long as nobody handed us
1011 	// a buffer group (via SetBufferGroup()) prior to this.  That can happen,
1664 MultiAudioNode::_ProcessGroup(BParameterGroup* group, int32 index,
1679 			BParameterGroup* child = group->MakeGroup(name);
1687 			BDiscreteParameter* parameter = group->MakeDiscreteParameter(
1690 				(group->ParameterAt(numParameters - 1))->AddOutput(
1691 					group->ParameterAt(numParameters));
1697 			group->MakeContinuousParameter(100 + i,
1705 				group->ParameterAt(numParameters)->SetChannelCount(
1706 					group->ParameterAt(numParameters)->CountChannels() + 1);
1712 				group->ParameterAt(numParameters - 1)->AddOutput(
1713 					group->ParameterAt(numParameters));
1719 				group->MakeDiscreteParameter(100 + i,
1722 				group->MakeDiscreteParameter(100 + i,
1726 				group->ParameterAt(numParameters - 1)->AddOutput(
1727 					group->ParameterAt(numParameters));
1760 	BParameterGroup* group = parentGroup->MakeGroup(name);
1761 	BDiscreteParameter* frequencyParam = group->MakeDiscreteParameter(
2077 	PRINT(("\tcreating group of %" B_PRId32 " buffers, size = %" B_PRIuSIZE
2101 	// get a buffer from our buffer group