maxChannelCount    55 AudioDestinationNode.h     virtual unsigned long maxChannelCount() const { return 0; }
maxChannelCount   110 DefaultAudioDestinationNode.cpp     return AudioDestination::maxChannelCount();
maxChannelCount   121 DefaultAudioDestinationNode.cpp     if (!maxChannelCount() || channelCount > maxChannelCount()) {
maxChannelCount    54 DefaultAudioDestinationNode.h     virtual unsigned long maxChannelCount() const OVERRIDE;