com.serenegiant.media

Class MediaEncoder

java.lang.Object

com.serenegiant.media.MediaEncoder

All Implemented Interfaces:

IMediaCodec

Direct Known Subclasses:

MediaAudioEncoder, MediaVideoEncoder

public abstract class MediaEncoder
extends java.lang.Object
implements IMediaCodec

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	mIsAudio
protected boolean	mIsCapturing Flag that indicate this encoder is capturing now.
protected boolean	mIsEOS Flag that indicate encoder received EOS(End Of Stream)
protected boolean	mIsPrepared
protected android.media.MediaCodec	mMediaCodec MediaCodec instance for encoding
protected boolean	mMuxerStarted Flag the indicate the muxer is running
protected boolean	mRequestStop Flag to request stop capturing
protected java.lang.Object	mSync
protected int	mTrackIndex Track Number
protected java.lang.ref.WeakReference<AbstractRecorder>	mWeakMuxer Weak reference of MediaMuxerWrapper instance

Fields inherited from interface com.serenegiant.media.IMediaCodec

TIMEOUT_USEC

Constructor Summary

Constructors

Constructor and Description
MediaEncoder(boolean is_audio, AbstractRecorder muxer, IMediaCodecCallback listener)

Method Summary

Modifier and Type	Method and Description
protected boolean	callErrorHandler(java.lang.Exception e)
protected void	callOnPrepared()
protected void	callOnRelease()
protected void	callOnStart()
protected void	callOnStop()
protected void	drain() drain encoded data and write them to muxer
protected void	encode(java.nio.ByteBuffer buffer, int length, long presentationTimeUs) Method to set byte array to the MediaCodec encoder
boolean	frameAvailableSoon() the method to indicate frame data is soon available or already available
protected long	getPTSUs() get next encoding presentationTimeUs
boolean	isAudio()
boolean	isPrepared()
boolean	isRunning()
void	release() Release all related objects
protected void	signalEndOfInputStream()
void	start()
void	stop() the method to request stop encoding

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.serenegiant.media.IMediaCodec

prepare

Field Detail

mIsAudio

protected final boolean mIsAudio

mSync

protected final java.lang.Object mSync

mIsPrepared

protected boolean mIsPrepared

mIsCapturing

protected volatile boolean mIsCapturing

Flag that indicate this encoder is capturing now.

mRequestStop

protected volatile boolean mRequestStop

Flag to request stop capturing

mIsEOS

protected boolean mIsEOS

Flag that indicate encoder received EOS(End Of Stream)

mMuxerStarted

protected boolean mMuxerStarted

Flag the indicate the muxer is running

mTrackIndex

protected int mTrackIndex

Track Number

mMediaCodec

protected android.media.MediaCodec mMediaCodec

MediaCodec instance for encoding

mWeakMuxer

protected final java.lang.ref.WeakReference<AbstractRecorder> mWeakMuxer

Weak reference of MediaMuxerWrapper instance

Constructor Detail

MediaEncoder

public MediaEncoder(boolean is_audio,
                    AbstractRecorder muxer,
                    IMediaCodecCallback listener)

Method Detail

start

public void start()

Specified by:

start in interface IMediaCodec

stop

public void stop()

the method to request stop encoding

Specified by:

stop in interface IMediaCodec

frameAvailableSoon

public boolean frameAvailableSoon()

the method to indicate frame data is soon available or already available

Returns:

return true if encoder is ready to encod.

isPrepared

public boolean isPrepared()

Specified by:

isPrepared in interface IMediaCodec

isRunning

public boolean isRunning()

Specified by:

isRunning in interface IMediaCodec

isAudio

public boolean isAudio()

callErrorHandler

protected boolean callErrorHandler(java.lang.Exception e)

callOnPrepared

protected void callOnPrepared()

callOnStart

protected void callOnStart()

callOnStop

protected void callOnStop()

callOnRelease

protected void callOnRelease()

release

public void release()

Release all related objects

Specified by:

release in interface IMediaCodec

signalEndOfInputStream

protected void signalEndOfInputStream()

encode

protected void encode(java.nio.ByteBuffer buffer,
                      int length,
                      long presentationTimeUs)

Method to set byte array to the MediaCodec encoder

Parameters:

buffer -

length - length of byte array, zero means EOS.

presentationTimeUs -

drain

protected void drain()

drain encoded data and write them to muxer

getPTSUs

protected long getPTSUs()

get next encoding presentationTimeUs

Returns: