android.media

Class AudioRecord

java.lang.Object

android.media.AudioRecord

public class AudioRecord
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	AudioRecord.OnRecordPositionUpdateListener

Field Summary

Fields

Modifier and Type	Field and Description
static int	ERROR
static int	ERROR_BAD_VALUE
static int	ERROR_INVALID_OPERATION
static int	RECORDSTATE_RECORDING
static int	RECORDSTATE_STOPPED
static int	STATE_INITIALIZED
static int	STATE_UNINITIALIZED
static int	SUCCESS

Constructor Summary

Constructors

Constructor and Description
AudioRecord(int audioSource, int sampleRateInHz, int channelConfig, int audioFormat, int bufferSizeInBytes)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	finalize()
int	getAudioFormat()
int	getAudioSessionId()
int	getAudioSource()
int	getChannelConfiguration()
int	getChannelCount()
static int	getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat)
int	getNotificationMarkerPosition()
int	getPositionNotificationPeriod()
int	getRecordingState()
int	getSampleRate()
int	getState()
int	read(byte[] audioData, int offsetInBytes, int sizeInBytes)
int	read(ByteBuffer audioBuffer, int sizeInBytes)
int	read(short[] audioData, int offsetInShorts, int sizeInShorts)
void	release()
int	setNotificationMarkerPosition(int markerInFrames)
int	setPositionNotificationPeriod(int periodInFrames)
void	setRecordPositionUpdateListener(AudioRecord.OnRecordPositionUpdateListener listener)
void	setRecordPositionUpdateListener(AudioRecord.OnRecordPositionUpdateListener listener, Handler handler)
void	startRecording()
void	startRecording(MediaSyncEvent syncEvent)
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

STATE_UNINITIALIZED

public static final int STATE_UNINITIALIZED

See Also:

Constant Field Values

STATE_INITIALIZED

public static final int STATE_INITIALIZED

See Also:

Constant Field Values

RECORDSTATE_STOPPED

public static final int RECORDSTATE_STOPPED

See Also:

Constant Field Values

RECORDSTATE_RECORDING

public static final int RECORDSTATE_RECORDING

See Also:

Constant Field Values

SUCCESS

public static final int SUCCESS

See Also:

Constant Field Values

ERROR

public static final int ERROR

See Also:

Constant Field Values

ERROR_BAD_VALUE

public static final int ERROR_BAD_VALUE

See Also:

Constant Field Values

ERROR_INVALID_OPERATION

public static final int ERROR_INVALID_OPERATION

See Also:

Constant Field Values

Constructor Detail

AudioRecord

public AudioRecord(int audioSource,
           int sampleRateInHz,
           int channelConfig,
           int audioFormat,
           int bufferSizeInBytes)
            throws IllegalArgumentException

Throws:

IllegalArgumentException

Method Detail

release

public void release()

finalize

protected void finalize()

Overrides:

finalize in class Object

getSampleRate

public int getSampleRate()

getAudioSource

public int getAudioSource()

getAudioFormat

public int getAudioFormat()

getChannelConfiguration

public int getChannelConfiguration()

getChannelCount

public int getChannelCount()

getState

public int getState()

getRecordingState

public int getRecordingState()

getNotificationMarkerPosition

public int getNotificationMarkerPosition()

getPositionNotificationPeriod

public int getPositionNotificationPeriod()

getMinBufferSize

public static int getMinBufferSize(int sampleRateInHz,
                   int channelConfig,
                   int audioFormat)

getAudioSessionId

public int getAudioSessionId()

startRecording

public void startRecording()
                    throws IllegalStateException

Throws:

IllegalStateException

startRecording

public void startRecording(MediaSyncEvent syncEvent)
                    throws IllegalStateException

Throws:

IllegalStateException

stop

public void stop()
          throws IllegalStateException

Throws:

IllegalStateException

read

public int read(byte[] audioData,
       int offsetInBytes,
       int sizeInBytes)

read

public int read(short[] audioData,
       int offsetInShorts,
       int sizeInShorts)

read

public int read(ByteBuffer audioBuffer,
       int sizeInBytes)

setRecordPositionUpdateListener

public void setRecordPositionUpdateListener(AudioRecord.OnRecordPositionUpdateListener listener)

setRecordPositionUpdateListener

public void setRecordPositionUpdateListener(AudioRecord.OnRecordPositionUpdateListener listener,
                                   Handler handler)

setNotificationMarkerPosition

public int setNotificationMarkerPosition(int markerInFrames)

setPositionNotificationPeriod

public int setPositionNotificationPeriod(int periodInFrames)