com.serenegiant.media

Class MediaDecoder

java.lang.Object

com.serenegiant.media.MediaDecoder

All Implemented Interfaces:

IMediaCodec

Direct Known Subclasses:

MediaAudioDecoder, MediaVideoDecoder

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

Field Summary

Fields

Modifier and Type	Field and Description
protected int	mState
protected static int	STATE_INITIALIZED
protected static int	STATE_PAUSED
protected static int	STATE_PLAYING
protected static int	STATE_PREPARED
protected static int	STATE_UNINITIALIZED
protected static int	STATE_WAIT
protected java.lang.String	TAG

Constructor Summary

Constructors

Constructor and Description
MediaDecoder()

Method Summary

Modifier and Type	Method and Description
protected long	adjustPresentationTime(long startTime, long presentationTimeUs) adjust presentation time
protected boolean	callErrorHandler(java.lang.Exception e)
protected void	callOnPrepared()
protected void	callOnRelease()
protected void	callOnStart()
protected void	callOnStop()
protected android.media.MediaCodec	createCodec(android.media.MediaExtractor media_extractor, int track_index, android.media.MediaFormat format)
int	getBitRate()
IMediaCodecCallback	getCallback()
long	getDuration()
protected abstract android.view.Surface	getOutputSurface()
protected long	handleInput(long presentationTimeUs)
protected abstract boolean	handleOutput(java.nio.ByteBuffer buffer, int offset, int size, long presentationTimeUs) process decoded data
protected abstract int	handlePrepare(android.media.MediaExtractor media_extractor)
protected void	internal_HandleInput()
protected void	internal_handleOutput()
boolean	isPrepared()
boolean	isRunning()
void	pause()
void	prepare()
void	release()
void	restart()
void	seek(long newTime)
protected static int	selectTrack(android.media.MediaExtractor extractor, java.lang.String mimeType) search first track index matched specific MIME
void	setCallback(IMediaCodecCallback callback)
void	setDataSource(android.content.Context context, android.net.Uri uri)
void	setDataSource(android.content.Context context, android.net.Uri uri, java.util.Map<java.lang.String,java.lang.String> headers)
void	setDataSource(java.io.FileDescriptor fd)
void	setDataSource(java.io.FileDescriptor fd, long offset, long length)
void	setDataSource(java.lang.String path)
void	setDataSource(java.lang.String path, java.util.Map<java.lang.String,java.lang.String> headers)
void	start()
void	stop()
protected void	updateMovieInfo(android.media.MediaMetadataRetriever metadata)

Methods inherited from class java.lang.Object

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

Field Detail

TAG

protected final java.lang.String TAG

STATE_UNINITIALIZED

protected static final int STATE_UNINITIALIZED

See Also:

Constant Field Values

STATE_INITIALIZED

protected static final int STATE_INITIALIZED

See Also:

Constant Field Values

STATE_PREPARED

protected static final int STATE_PREPARED

See Also:

Constant Field Values

STATE_PLAYING

protected static final int STATE_PLAYING

See Also:

Constant Field Values

STATE_PAUSED

protected static final int STATE_PAUSED

See Also:

Constant Field Values

STATE_WAIT

protected static final int STATE_WAIT

See Also:

Constant Field Values

mState

protected int mState

Constructor Detail

MediaDecoder

public MediaDecoder()

Method Detail

setCallback

public void setCallback(IMediaCodecCallback callback)

getCallback

public IMediaCodecCallback getCallback()

getDuration

public long getDuration()

getBitRate

public int getBitRate()

setDataSource

public void setDataSource(java.lang.String path)
                   throws java.io.IOException

Throws:

java.io.IOException

setDataSource

public void setDataSource(java.lang.String path,
                          java.util.Map<java.lang.String,java.lang.String> headers)
                   throws java.io.IOException

Throws:

java.io.IOException

setDataSource

public void setDataSource(java.io.FileDescriptor fd)
                   throws java.io.IOException

Throws:

java.io.IOException

setDataSource

public void setDataSource(java.io.FileDescriptor fd,
                          long offset,
                          long length)
                   throws java.io.IOException

Throws:

java.io.IOException

setDataSource

public void setDataSource(android.content.Context context,
                          android.net.Uri uri,
                          java.util.Map<java.lang.String,java.lang.String> headers)
                   throws java.io.IOException

Throws:

java.io.IOException

setDataSource

public void setDataSource(android.content.Context context,
                          android.net.Uri uri)
                   throws java.io.IOException

Throws:

java.io.IOException

prepare

public void prepare()
             throws java.io.IOException

Specified by:

prepare in interface IMediaCodec

Throws:

java.io.IOException

isPrepared

public boolean isPrepared()

Specified by:

isPrepared in interface IMediaCodec

isRunning

public boolean isRunning()

Specified by:

isRunning in interface IMediaCodec

handlePrepare

protected abstract int handlePrepare(android.media.MediaExtractor media_extractor)

getOutputSurface

protected abstract android.view.Surface getOutputSurface()

createCodec

protected android.media.MediaCodec createCodec(android.media.MediaExtractor media_extractor,
                                               int track_index,
                                               android.media.MediaFormat format)
                                        throws java.io.IOException

Throws:

java.io.IOException

restart

public void restart()

start

public void start()

Specified by:

start in interface IMediaCodec

stop

public void stop()

Specified by:

stop in interface IMediaCodec

pause

public void pause()

release

public void release()

Specified by:

release in interface IMediaCodec

seek

public void seek(long newTime)

internal_HandleInput

protected void internal_HandleInput()

handleInput

protected long handleInput(long presentationTimeUs)

internal_handleOutput

protected void internal_handleOutput()

handleOutput

protected abstract boolean handleOutput(java.nio.ByteBuffer buffer,
                                        int offset,
                                        int size,
                                        long presentationTimeUs)

process decoded data

Parameters:

buffer -

offset -

size -

presentationTimeUs -

Returns:

if return false, presentation time adjustment is executed internally.

callErrorHandler

protected boolean callErrorHandler(java.lang.Exception e)

callOnPrepared

protected void callOnPrepared()

callOnStart

protected void callOnStart()

callOnStop

protected void callOnStop()

callOnRelease

protected void callOnRelease()

updateMovieInfo

protected void updateMovieInfo(android.media.MediaMetadataRetriever metadata)

adjustPresentationTime

protected long adjustPresentationTime(long startTime,
                                      long presentationTimeUs)

adjust presentation time

Parameters:

startTime -

presentationTimeUs -

Returns:

selectTrack

protected static final int selectTrack(android.media.MediaExtractor extractor,
                                       java.lang.String mimeType)

search first track index matched specific MIME

Parameters:

extractor -

mimeType - "video/" or "audio/"

Returns:

track index, -1 if not found