QMedia Movie audio metering |

### QM_GetAudioChannelLayout

QM_GetAudioChannelLayout(movieRef; soundTrackID; channelLabels):error
| movieRef | Longint | Movie reference
| soundTrackID | Longint | Audio track ID
| channelLabels | Array longint | Channel labels
| error | Longint | Error result

Returns the layout of the channels in a sound track.

Parameter movieRef is the reference to the movie instance. The movie reference must have been previously obtained with a call to QM_NewMovieFromFile or QM_NewMovieFromURL.

Parameter soundTrackID is the ID of the sound track.

Parameter channelLabels receives the label identifiers describing the layout of the channels in the sound track.

The following label identifiers are available as constants:

qm_AudioChannelUnknown | -1 | Unknown channel
qm_AudioChannelUnused | 0 | Unused channel
qm_AudioChannelMono | 42 | Mono channel
qm_AudioChannelLeft | 1 | Left channel
qm_AudioChannelRight | 2 | Right channel
qm_AudioChannelCenter | 3 | Center channel
qm_AudioChannelLFEScreen | 4 | LFE screen channel
qm_AudioChannelLeftSurround | 5 | Left surround channel
qm_AudioChannelRightSurround | 6 | Right surround channel
qm_AudioChannelLeftCenter | 7 | Left/center channel
qm_AudioChannelRightCenter | 8 | Right/center channel
qm_AudioChannelCenterSurround | 9 | Center surround channel
qm_AudioChannelRearSrndLeft | 33 | Rear/left surround channel
qm_AudioChannelRearSrndRight | 34 | Rear/right surround channel
qm_AudioChannelLeftTotal | 38 | Left total channel
qm_AudioChannelRightTotal | 39 | Right total channel
qm_AudioChannelLeftSrndDrkt | 10 | Left surround direct channel
qm_AudioChannelRightSrndDrkt | 11 | Right surround direct channel
qm_AudioChannelTopCenterSrnd | 12 | Top center surround channel
qm_AudioChannelVertHeightLeft | 13 | Vertical height left channel
qm_AudioChannelVertHeightRght | 15 | Vertical height right channel
qm_AudioChannelVertHeightCntr | 14 | Vertical height center channel
qm_AudioChannelTopBackLeft | 16 | Top back left channel
qm_AudioChannelTopBackCenter | 17 | Top back center channel
qm_AudioChannelTopBackRight | 18 | Top back right channel
qm_AudioChannelAmbisonic_W | 200 | Ambisonic channel W
qm_AudioChannelAmbisonic_X | 201 | Ambisonic channel X
qm_AudioChannelAmbisonic_Y | 202 | Ambisonic channel Y
qm_AudioChannelAmbisonic_Z | 203 | Ambisonic channel Z
qm_AudioChannelMS_Mid | 204 | Mid/Side recording middle channel
qm_AudioChannelMS_Side | 205 | Mid/Side recording side channel
qm_AudioChannelXY_X | 206 | X-Y recording X channel
qm_AudioChannelXY_Y | 207 | X-Y recording Y channel
qm_AudioChannelHeadphLeft | 301 | Left headphones channel
qm_AudioChannelHeadphRight | 302 | Right headphones channel
qm_AudioChannelDiscrete0 | 0x00010000 | Discete channel 0
qm_AudioChannelDiscrete1 | 0x00010001 | Discete channel 1
qm_AudioChannelDiscrete2 | 0x00010002 | Discete channel 2
qm_AudioChannelDiscrete3 | 0x00010003 | Discete channel 3
qm_AudioChannelDiscrete4 | 0x00010004 | Discete channel 4
qm_AudioChannelDiscrete5 | 0x00010005 | Discete channel 5
qm_AudioChannelDiscrete6 | 0x00010006 | Discete channel 6
qm_AudioChannelDiscrete7 | 0x00010007 | Discete channel 7
qm_AudioChannelDiscrete8 | 0x00010008 | Discete channel 8
qm_AudioChannelDiscrete9 | 0x00010009 | Discete channel 9
qm_AudioChannelDiscrete10 | 0x0001000A | Discete channel 10
qm_AudioChannelDiscrete11 | 0x0001000B | Discete channel 11
qm_AudioChannelDiscrete12 | 0x0001000C | Discete channel 12
qm_AudioChannelDiscrete13 | 0x0001000D | Discete channel 13
qm_AudioChannelDiscrete14 | 0x0001000E | Discete channel 14
qm_AudioChannelDiscrete15 | 0x0001000F | Discete channel 15
qm_AudioChannelDiscrete65535 | 0x0001FFFF | Discete channel 65535

Related commands

QM_GetAudioSampleInfo | Returns information about the samples in a sound track.

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