native/libjsound/PLATFORM_API_LinuxOS_ALSA_Ports.c

249             TRACE2("Simple mixer control '%s',%i\n",
356     void* control;
370     control = (creator->newFloatControl)(creator, portControl, CONTROL_TYPE_VOLUME, 0.0F, +1.0F, precision, "");
371     return control;
378     void* control;
417         // single volume control
428                 control = createVolumeControl(creator, portControl, elem, isPlayback);
429                 if (control != NULL) {
430                     controls[numControls++] = control;
433         } else { // more than two channels, each channels has its own control.
442                         control = createVolumeControl(creator, portControl, elem, isPlayback);
443                         // We wrap in a compound control to provide the channel name.
444                         if (control != NULL) {
448                             control = (creator->newCompoundControl)(creator, (char*) snd_mixer_selem_channel_name(channel), &control, 1);
450                         if (control != NULL) {
451                             controls[numControls++] = control;
457         // BALANCE control
465                 control = (creator->newFloatControl)(creator, portControl, CONTROL_TYPE_BALANCE, -1.0F, 1.0F, 0.01F, "");
466                 if (control != NULL) {
467                     controls[numControls++] = control;
478             control = (creator->newBooleanControl)(creator, portControl, type);
479             if (control != NULL) {
480                 controls[numControls++] = control;
488     control = (creator->newCompoundControl)(creator, portName, controls, numControls);
489     if (control != NULL) {
490         (creator->addControl)(creator, control);
525             ERROR1("PORT_GetIntValue(): inappropriate control type: %s\n",
549             ERROR1("PORT_SetIntValue(): inappropriate control type: %s\n",
685             ERROR1("PORT_GetFloatValue(): inappropriate control type: %s!\n",
717             ERROR1("PORT_SetFloatValue(): inappropriate control type: %s!\n",