Movie audio metering

QM_GetAudioSampleInfo Returns information about the samples in a sound track.
QM_GetAudioChannelLayout Returns the layout of the channels in a sound track.
QM_StartVolumeMeteringSession Starts a volume metering session for a movie.
QM_EndVolumeMeteringSession Ends a volume metering session.
QM_GetVolumeLevels Retrieves the current volume levels.
QM_StartFreqMeteringSession Starts a frequency metering session for a movie.
QM_EndFreqMeteringSession Ends a frequency metering session.
QM_GetFreqMeteringBands Returns the band frequences of the frequency metering session.
QM_GetFrequencyLevels Retrieves the current frequency levels.

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