66 bool AudioMixer::isValidChannelMask(audio_channel_mask_t channelMask) const {  in isValidChannelMask()
67     return audio_channel_mask_is_valid(channelMask); // the RemixBufferProvider is flexible.  in isValidChannelMask()
78     if (trackChannelMask == (track->channelMask | track->mHapticChannelMask)  in setChannelMasks()
96     track->channelMask = trackChannelMask;  in setChannelMasks()
124             status, track->channelMask, track->mMixerChannelMask);  in setChannelMasks()
160             this, channelMask);  in prepareForDownmix()
166     if (channelMask == mMixerChannelMask  in prepareForDownmix()
167             || (channelMask == AUDIO_CHANNEL_OUT_MONO  in prepareForDownmix()
172     if (audio_channel_mask_get_representation(channelMask)  in prepareForDownmix()
179                     channelMask, mMixerChannelMask,  in prepareForDownmix()
193     mDownmixerBufferProvider.reset(new RemixBufferProvider(channelMask,  in prepareForDownmix()
227                 audio_channel_count_from_out_mask(channelMask),  in prepareForReformat()
237                 audio_channel_count_from_out_mask(channelMask),  in prepareForReformat()
410             if (setChannelMasks(name, track->channelMask | track->mHapticChannelMask,  in setParameter()
535     audio_channel_mask_t channelMask = t->channelMask;  in postCreateTrack()  local
536     t->mHapticChannelMask = channelMask & AUDIO_CHANNEL_HAPTIC_ALL;  in postCreateTrack()
538     channelMask &= ~AUDIO_CHANNEL_HAPTIC_ALL;  in postCreateTrack()
539     t->channelCount = audio_channel_count_from_out_mask(channelMask);  in postCreateTrack()
540     ALOGV_IF(audio_channel_mask_get_bits(channelMask) != AUDIO_CHANNEL_OUT_STEREO,  in postCreateTrack()
541             "Non-stereo channel mask: %d\n", channelMask);  in postCreateTrack()
542     t->channelMask = channelMask;  in postCreateTrack()
559         ALOGE("AudioMixer::getTrackName invalid channelMask (%#x)", channelMask);  in postCreateTrack()