Package org.webrtc.audio

Class JavaAudioDeviceModule

java.lang.Object

org.webrtc.audio.JavaAudioDeviceModule

All Implemented Interfaces:

AudioDeviceModule

public class JavaAudioDeviceModule
extends Object
implements AudioDeviceModule

AudioDeviceModule implemented using android.media.AudioRecord as input and android.media.AudioTrack as output.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	JavaAudioDeviceModule.AudioRecordErrorCallback
static enum	JavaAudioDeviceModule.AudioRecordStartErrorCode
static interface	JavaAudioDeviceModule.AudioRecordStateCallback	Called when audio recording starts and stops.
static class	JavaAudioDeviceModule.AudioSamples	Contains audio sample information.
static interface	JavaAudioDeviceModule.AudioTrackErrorCallback
static enum	JavaAudioDeviceModule.AudioTrackStartErrorCode
static interface	JavaAudioDeviceModule.AudioTrackStateCallback	Called when audio playout starts and stops.
static class	JavaAudioDeviceModule.Builder
static interface	JavaAudioDeviceModule.SamplesReadyCallback	Called when new audio samples are ready.

Field Summary

Fields

Modifier and Type	Field	Description
private final WebRtcAudioRecord	audioInput
private final WebRtcAudioTrack	audioOutput
private final int	inputSampleRate
private long	nativeAudioDeviceModule
private final Object	nativeLock
private final int	outputSampleRate
private static final String	TAG
private final boolean	useStereoInput
private final boolean	useStereoOutput

Constructor Summary

Constructors

Modifier	Constructor	Description
private	JavaAudioDeviceModule(Object context, Object audioManager, WebRtcAudioRecord audioInput, WebRtcAudioTrack audioOutput, int inputSampleRate, int outputSampleRate, boolean useStereoInput, boolean useStereoOutput)

Method Summary

Modifier and Type	Method	Description
static JavaAudioDeviceModule.Builder	builder(Object context)
WebRtcAudioRecord	getAudioRecord()
WebRtcAudioTrack	getAudioTrack()
long	getNativeAudioDeviceModulePointer()	Returns a C++ pointer to a webrtc::AudioDeviceModule.
static boolean	isBuiltInAcousticEchoCancelerSupported()	Returns true if the device supports built-in HW AEC, and the UUID is approved (some UUIDs can be excluded).
static boolean	isBuiltInNoiseSuppressorSupported()	Returns true if the device supports built-in HW NS, and the UUID is approved (some UUIDs can be excluded).
private static long	nativeCreateAudioDeviceModule(Object context, Object audioManager, WebRtcAudioRecord audioInput, WebRtcAudioTrack audioOutput, int inputSampleRate, int outputSampleRate, boolean useStereoInput, boolean useStereoOutput)
void	release()	Release resources for this AudioDeviceModule, including native resources.
void	setMicrophoneMute(boolean mute)	Control muting/unmuting the microphone.
void	setSpeakerMute(boolean mute)	Control muting/unmuting the speaker.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

TAG

private static final String TAG

See Also:

• Constant Field Values

audioInput

private final WebRtcAudioRecord audioInput

audioOutput

private final WebRtcAudioTrack audioOutput

inputSampleRate

private final int inputSampleRate

outputSampleRate

private final int outputSampleRate

useStereoInput

private final boolean useStereoInput

useStereoOutput

private final boolean useStereoOutput

nativeLock

private final Object nativeLock

nativeAudioDeviceModule

private long nativeAudioDeviceModule

Constructor Details

JavaAudioDeviceModule

private JavaAudioDeviceModule(Object context,
 Object audioManager,
 WebRtcAudioRecord audioInput,
 WebRtcAudioTrack audioOutput,
 int inputSampleRate,
 int outputSampleRate,
 boolean useStereoInput,
 boolean useStereoOutput)

Method Details

builder

public static JavaAudioDeviceModule.Builder builder(Object context)

isBuiltInAcousticEchoCancelerSupported

public static boolean isBuiltInAcousticEchoCancelerSupported()

Returns true if the device supports built-in HW AEC, and the UUID is approved (some UUIDs can be excluded).

isBuiltInNoiseSuppressorSupported

public static boolean isBuiltInNoiseSuppressorSupported()

Returns true if the device supports built-in HW NS, and the UUID is approved (some UUIDs can be excluded).

getNativeAudioDeviceModulePointer

public long getNativeAudioDeviceModulePointer()

Description copied from interface: AudioDeviceModule

Returns a C++ pointer to a webrtc::AudioDeviceModule. Caller does _not_ take ownership and lifetime is handled through the release() call.

Specified by:

getNativeAudioDeviceModulePointer in interface AudioDeviceModule

release

public void release()

Description copied from interface: AudioDeviceModule

Release resources for this AudioDeviceModule, including native resources. The object should not be used after this call.

Specified by:

release in interface AudioDeviceModule

getAudioTrack

public WebRtcAudioTrack getAudioTrack()

getAudioRecord

public WebRtcAudioRecord getAudioRecord()

setSpeakerMute

public void setSpeakerMute(boolean mute)

Description copied from interface: AudioDeviceModule

Control muting/unmuting the speaker.

Specified by:

setSpeakerMute in interface AudioDeviceModule

setMicrophoneMute

public void setMicrophoneMute(boolean mute)

Description copied from interface: AudioDeviceModule

Control muting/unmuting the microphone.

Specified by:

setMicrophoneMute in interface AudioDeviceModule

nativeCreateAudioDeviceModule

private static long nativeCreateAudioDeviceModule(Object context,
 Object audioManager,
 WebRtcAudioRecord audioInput,
 WebRtcAudioTrack audioOutput,
 int inputSampleRate,
 int outputSampleRate,
 boolean useStereoInput,
 boolean useStereoOutput)