AVMutableAudioMixInputParametersMBS.Constructor

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Creates and returns a mutable input parameters object with no volume ramps and trackID initialized to kCMPersistentTrackID_Invalid.

See also:

• Constructor(other as AVAudioMixInputParametersMBS)
• Constructor(track as AVAssetTrackMBS)

AVMutableAudioMixInputParametersMBS.Constructor(other as AVAudioMixInputParametersMBS)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	AVFoundation	MBS AVFoundation Plugin	15.1	✅ Yes	❌ No	❌ No	✅ Yes	All

The copy constructor to initialize with a mutable copy of the given object.

See also:

• Constructor
• Constructor(track as AVAssetTrackMBS)

AVMutableAudioMixInputParametersMBS.Constructor(track as AVAssetTrackMBS)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Creates and returns a mutable input parameters object for a given track.

track: The track to associate with the input parameters object.
Initializes input parameters object with no volume ramps and trackID set to track's ID.

See also:

• Constructor
• Constructor(other as AVAudioMixInputParametersMBS)

AVMutableAudioMixInputParametersMBS.setVolume(volume as Double, atTime as CMTimeMBS)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Sets the value of the audio volume starting at the specified time.

volume: The volume.
time: The start time at which to set the volume.

This method adds a volume ramp starting at time. This volume setting remains in effect until the end of the track unless you set a different volume level to start at a later time.

AVMutableAudioMixInputParametersMBS.setVolumeRamp(startVolume as Double, endVolume as Double, timeRange as CMTimeRangeMBS)

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Sets a volume ramp to apply during a specified time range.

startVolume: The starting volume.
endVolume: The end volume.
timeRange: The time range over which to apply the ramp.

AVMutableAudioMixInputParametersMBS.trackID as Integer

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

The ID of the audio track to which the parameters should be applied.

(Read and Write computed property)