com.serenegiant.media

Class AbstractAudioEncoder

java.lang.Object

com.serenegiant.media.AbstractEncoder

com.serenegiant.media.AbstractAudioEncoder

All Implemented Interfaces:

Encoder, java.lang.Runnable

Direct Known Subclasses:

AudioEncoderBuffered, AudioSamplerEncoder

public abstract class AbstractAudioEncoder
extends AbstractEncoder

音声データをMediaCodecでエンコードするためのクラス

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	AUDIO_MIME_TYPE
static int	DEFAULT_BIT_RATE
static int	DEFAULT_SAMPLE_RATE
static int	FRAMES_PER_BUFFER
protected int	mAudioSource
protected int	mBitRate
protected int	mChannelCount
protected int	mSampleRate
static int	SAMPLES_PER_FRAME

Fields inherited from class com.serenegiant.media.AbstractEncoder

MIME_TYPE, mIsCapturing, mIsEOS, mMediaCodec, mRecorderStarted, mRequestStop, mSync, mTrackIndex, START_MARK, TIMEOUT_USEC

Constructor Summary

Constructors

Constructor and Description
AbstractAudioEncoder(IRecorder recorder, EncoderListener listener, int audio_source, int audio_channels)
AbstractAudioEncoder(IRecorder recorder, EncoderListener listener, int audio_source, int audio_channels, int sample_rate, int bit_rate)

Method Summary

Modifier and Type	Method and Description
protected android.media.MediaFormat	createOutputFormat(byte[] csd, int size, int ix0, int ix1)
boolean	isAudio()
void	prepare()

Methods inherited from class com.serenegiant.media.AbstractEncoder

byteComp, callOnError, callOnStartEncode, checkProfileLevel, dumpProfileLevel, encode, encode, finalize, frameAvailableSoon, getCodecCapabilities, getCodecCount, getCodecInfoAt, getCodecs, getInputPTSUs, getNextOutputPTSUs, getOutputPath, getProfileLevelString, getRecorder, isCapturing, release, run, signalEndOfInputStream, start, startRecorder, stop, stopRecorder

Methods inherited from class java.lang.Object

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

Field Detail

AUDIO_MIME_TYPE

public static final java.lang.String AUDIO_MIME_TYPE

See Also:

Constant Field Values

DEFAULT_SAMPLE_RATE

public static final int DEFAULT_SAMPLE_RATE

See Also:

Constant Field Values

DEFAULT_BIT_RATE

public static final int DEFAULT_BIT_RATE

See Also:

Constant Field Values

SAMPLES_PER_FRAME

public static final int SAMPLES_PER_FRAME

See Also:

Constant Field Values

FRAMES_PER_BUFFER

public static final int FRAMES_PER_BUFFER

See Also:

Constant Field Values

mAudioSource

protected int mAudioSource

mChannelCount

protected int mChannelCount

mSampleRate

protected int mSampleRate

mBitRate

protected int mBitRate

Constructor Detail

AbstractAudioEncoder

public AbstractAudioEncoder(IRecorder recorder,
                            EncoderListener listener,
                            int audio_source,
                            int audio_channels)

AbstractAudioEncoder

public AbstractAudioEncoder(IRecorder recorder,
                            EncoderListener listener,
                            int audio_source,
                            int audio_channels,
                            int sample_rate,
                            int bit_rate)

Method Detail

prepare

public void prepare()
             throws java.lang.Exception

Throws:

java.lang.Exception

isAudio

public final boolean isAudio()

createOutputFormat

protected android.media.MediaFormat createOutputFormat(byte[] csd,
                                                       int size,
                                                       int ix0,
                                                       int ix1)

Specified by:

createOutputFormat in class AbstractEncoder