QMedia |

## 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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