235     AudioMixer *mixer = new AudioMixer(mixerFrameCount, outputSampleRate);  in main()
238     float f = AudioMixer::UNITY_GAIN_FLOAT / providers.size(); // normalize volume by # tracks  in main()
252         mixer->setParameter(name, AudioMixer::TRACK, AudioMixer::MAIN_BUFFER,  in main()
256                 AudioMixer::TRACK,  in main()
257                 AudioMixer::MIXER_FORMAT,  in main()
261                 AudioMixer::TRACK,  in main()
262                 AudioMixer::FORMAT,  in main()
266                 AudioMixer::TRACK,  in main()
267                 AudioMixer::MIXER_CHANNEL_MASK,  in main()
271                 AudioMixer::TRACK,  in main()
272                 AudioMixer::CHANNEL_MASK,  in main()
276                 AudioMixer::RESAMPLE,  in main()
277                 AudioMixer::SAMPLE_RATE,  in main()
280             mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME0, &f0);  in main()
281             mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME1, &f0);  in main()
282             mixer->setParameter(name, AudioMixer::RAMP_VOLUME, AudioMixer::VOLUME0, &f);  in main()
283             mixer->setParameter(name, AudioMixer::RAMP_VOLUME, AudioMixer::VOLUME1, &f);  in main()
285             mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME0, &f);  in main()
286             mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::VOLUME1, &f);  in main()
289             mixer->setParameter(name, AudioMixer::TRACK, AudioMixer::AUX_BUFFER,  in main()
291             mixer->setParameter(name, AudioMixer::VOLUME, AudioMixer::AUXLEVEL, &f0);  in main()
292             mixer->setParameter(name, AudioMixer::RAMP_VOLUME, AudioMixer::AUXLEVEL, &f);  in main()
301             mixer->setParameter(names[j], AudioMixer::TRACK, AudioMixer::MAIN_BUFFER,  in main()
304                 mixer->setParameter(names[j], AudioMixer::TRACK, AudioMixer::AUX_BUFFER,  in main()