IAudioManager2

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Interface IAudioManager2

interface IAudioManager2

Extends IAudioManager

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Methods

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enableAvrcpAbsoluteVolume()

void enableAvrcpAbsoluteVolume(string btAddress)

Enable AVRCP absolute volume. When absolute volume is ON, A2DP output will not have volume attenuation from this system.

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Parameters

btAddress

string — Required unique character string to identify the BT device Needs privilege “com.amazon.audio.privilege.settings.control”

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disableAvrcpAbsoluteVolume()

void disableAvrcpAbsoluteVolume(string btAddress)

Disable AVRCP absolute volume. When absolute volume is OFF, A2DP output will get volume attenuation applied from this system.

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Parameters

btAddress

string — Required unique character string to identify the BT device Needs privilege “com.amazon.audio.privilege.settings.control”

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isAvrcpAbsoluteVolumeEnabled()

bool isAvrcpAbsoluteVolumeEnabled(string btAddress)

Check if AVRCP absolute volume is enabled or not.

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Parameters

btAddress

string — Required unique character string to identify the BT device

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Returns

bool true if AVRCP absolute volume state is enabled, false otherwise

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enableUsage()

void enableUsage(AudioUsage* usage)

Set usage enable. Audio with specified usage can be played. Now only notification is supported. When setting other usages, the function will throw a “[com.amazon.apmf.SecurityError]: No Permission” exception.

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Parameters

usage

AudioUsage* — Required usage type Needs privilege “com.amazon.audio.privilege.settings.control”

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disableUsage()

void disableUsage(AudioUsage* usage)

Set usage disable. Audio with specified usage cannot be played. Now only notification is supported. When setting other usages, the function will throw a “[com.amazon.apmf.SecurityError]: No Permission” exception.

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Parameters

usage

AudioUsage* — Required usage type Needs privilege “com.amazon.audio.privilege.settings.control”

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isUsageEnabled()

bool isUsageEnabled(AudioUsage* usage)

Check if specified usage audio can be played or not.

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Parameters

usage

AudioUsage* — Required usage type

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Returns

bool true if usage is enabled, false otherwise

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getSupportedRecordConfigurations()

AudioConfig[] getSupportedRecordConfigurations(bool excludeDisconnectedDevice, AudioSource* sourceType)

Query audio pipeline for a list of supported audio configurations for record.

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Parameters

excludeDisconnectedDevice

bool — Required returns the configuration for connected devices or supported devices. True means that it returns the configuration for connected devices. False means that it returns the configuration for all supported devices in the configuration files.

sourceType

AudioSource* — Required audio source to query

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Returns

AudioConfig[] list of audio record configuraions for the specified audio source.

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allocateCustomAudioEffectSession()

u32 allocateCustomAudioEffectSession()

Create unique custom audio session ID for audio effect and audio data client. This ID will be used to associate custom audio effects and audio data clients that will have those effects to be applied on.

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Returns

u32 an unique custom audio effect session ID

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