AUPlayerMBS.ChannelMap as Integer()

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Queries current channel map.

The map should have an entry for each input channel and inside the number of the output channel or -1 to keep it silent.

AUPlayerMBS.Data as Memoryblock

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Copies the data to play.

The other data properties define what format this data has.
Typically 4 byte floats per sample interleaved for all channels.

AUPlayerMBS.InputEnabled(inputNum as UInt32) as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Enable or disable input.

Lasterror is set.
(Read and Write computed property)

Some examples using this property:

• /MacOSX/AUPlayer

AUPlayerMBS.InputVolume(inputNum as UInt32) as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

The input volume.

Lasterror is set.
(Read and Write computed property)

Some examples using this property:

• /MacOSX/AUPlayer

AUPlayerMBS.LoadFile(file as folderitem, InputChannels as Integer = 2, OutputChannels as Integer = 2) as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Loads an audio file.

InputChannels is the number of channels we want to get back from file reader.
OutputChannels is the number of channels we want to have for output.
Returns true on success or false on failure.

AUPlayerMBS.LoadFileMT(file as folderitem, InputChannels as Integer = 2, OutputChannels as Integer = 2) as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.3	✅ Yes	❌ No	❌ No	✅ Yes	All

Loads an audio file.

The work is performed on a preemptive thread, so this function does not block the application and can yield time to other Xojo threads. Must be called in a Xojo thread to enjoy benefits. If called in main thread will block, but keep other background threads running.

InputChannels is the number of channels we want to get back from file reader.
OutputChannels is the number of channels we want to have for output.
Returns true on success or false on failure.

AUPlayerMBS.Pause

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Pauses playback.

Lasterror is set.

AUPlayerMBS.Play

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Starts playback.

Lasterror is set.

AUPlayerMBS.Reset

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.3	✅ Yes	❌ No	❌ No	✅ Yes	All

Resets audio units.

Useful after changing options.

AUPlayerMBS.setChannelMap(values() as Integer)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Sets a new channel map.

The map should have an entry for each input channel and inside the number of the output channel or -1 to keep it silent.

AUPlayerMBS.updateEQ(eqBands() as Double)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Updates equalizer.

Please pass array of 32 values from -12 to 12.
Lasterror is set.

See also:

• updateEQ(eqBands() as single)

Some examples using this method:

• /MacOSX/AUPlayer

AUPlayerMBS.updateEQ(eqBands() as single)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	Audio	MBS MacOSX Plugin	14.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Updates equalizer.

Please pass array of 32 values from -12 to 12.
Lasterror is set.

See also:

• updateEQ(eqBands() as Double)