media-add-ons/mixer/AudioMixer.cpp

37 // the range of the gain sliders (in dB)
225 	// fill in any wildcard fields for which our BBufferConsumer has specific requirements.
240 	// We do not have special requirements, but just in case
243 	// channel count, we place this information in the user_data
369 		// the for_whom destination is not being sent correctly - verify in HandleEvent loop
404 	// workaround for a crashing bug in RealPlayer.  to be proper, RealPlayer's
484 	// at some point in the future (indicated by change_tag and RequestCompleted()),
485 	// we will receive buffers in a different format
538 	// in the format are wildcards, and we have a specific requirement, adjust
632 	// we need to inform all connected *inputs* about *our* change in latency
782 	// It may also have left wildcards in the format. PrepareToConnect()
784 	// we also create the new output connection and return it in out_source.
814 	// a) the format that it indicated as hint in the user_data,
835 			media_input in;
847 				&& roster->GetAllInputsFor(node, &in, 1, &count) == B_OK
851 					= in.format.u.raw_audio.channel_count;
853 					= in.format.u.raw_audio.frame_rate;
934 	// we need to inform all connected *inputs* about *our* change in latency
1014 	// is the only runmode in which we can do anything about this
1208 	TRACE("dB_to_Gain: dB in: %01.2f ", db);
1685 			// on it has no effect on remote BParameterWebs in other apps.
1716 	MixerInput *in;
1754 	for (int i = 0; (in = fCore->Input(i)); i++) {
1756 		group->MakeNullParameter(PARAM_STR1(in->ID()), B_MEDIA_RAW_AUDIO,
1757 			in->MediaInput().name, B_WEB_BUFFER_INPUT);
1758 		group->MakeNullParameter(PARAM_STR2(in->ID()), B_MEDIA_RAW_AUDIO,
1759 			StringForFormat(buf, in), B_GENERIC);
1760 		group->MakeDiscreteParameter(PARAM_MUTE(in->ID()), B_MEDIA_RAW_AUDIO,
1767 				&& in->GetInputChannelCount() == 2 && 1
1770 				group->MakeContinuousParameter(PARAM_GAIN(in->ID()),
1773 				group->MakeContinuousParameter(PARAM_BALANCE(in->ID()),
1777 				group->MakeContinuousParameter(PARAM_GAIN(in->ID()),
1780 						->SetChannelCount(in->GetInputChannelCount());
1785 				&& in->GetMixerChannelCount() == 2 && 1
1788 				group->MakeContinuousParameter(PARAM_GAIN(in->ID()),
1791 				group->MakeContinuousParameter(PARAM_BALANCE(in->ID()),
1795 				group->MakeContinuousParameter(PARAM_GAIN(in->ID()),
1798 						->SetChannelCount(in->GetMixerChannelCount());
1801 		group->MakeNullParameter(PARAM_STR3(in->ID()), B_MEDIA_RAW_AUDIO,
1844 		for (int i = 0; (in = fCore->Input(i)); i++) {
1846 			group->MakeNullParameter(PARAM_STR4(in->ID()), B_MEDIA_RAW_AUDIO,
1847 				in->MediaInput().name, B_GENERIC);
1850 			for (int chan = 0; chan < in->GetInputChannelCount(); chan++) {
1852 				subgroup->MakeNullParameter(PARAM_DST_STR(in->ID(), chan),
1854 					in->GetInputChannelType(chan)), B_GENERIC);
1856 					subgroup->MakeDiscreteParameter(PARAM_DST_ENABLE(in->ID(),
1895 	/* Remove those option from the GUI, but keep them in the settings