org.red5.io.flv.impl

Class FLVWriter

java.lang.Object

org.red5.io.flv.impl.FLVWriter

All Implemented Interfaces:

ITagWriter

public class FLVWriter
extends Object
implements ITagWriter

A Writer is used to write the contents of a FLV file

Author:

The Red5 Project, Dominick Accattato (daccattato@gmail.com), Luke Hubbard, Codegent Ltd (luke@codegent.com), Tiago Jacobs (tiago@imdt.com.br), Paul Gregoire (mondain@gmail.com)

Constructor Summary

Constructors

Constructor and Description
FLVWriter(File file, boolean append) Creates writer implementation with given file and flag indicating whether or not to append.
FLVWriter(String filePath) Creates writer implementation with for a given file

Method Summary

Modifier and Type	Method and Description
void	addPostProcessor(IPostProcessor postProcessor) Adds a post-process for execution once the instance completes.
void	close() Ends the writing process, then merges the data file with the flv file header and metadata.
long	getBytesWritten() Return the bytes written
IStreamableFile	getFile() Return the file that is written.
int	getOffset() Return the offset
static void	main(String[] args) Exposed to allow repair of flv files if .info and .ser files still exist.
static boolean	repair(String path, Integer audioId, Integer videoId) Allows repair of flv files if .info and .ser files still exist.
void	setAudioCodecId(int audioCodecId)
void	setAudioDataSize(int audioDataSize)
void	setDuration(int duration)
void	setFLV(IFLV flv) Setter for FLV object
void	setOffset(int offset) Setter for offset
void	setSoundRate(int soundRate)
void	setSoundSize(int soundSize)
void	setSoundType(boolean soundType)
void	setVideoCodecId(int videoCodecId)
void	setVideoDataSize(int videoDataSize)
void	writeHeader() Writes the header bytes
boolean	writeStream(byte[] b) Write a Stream to disk using bytes
boolean	writeTag(byte dataType, org.apache.mina.core.buffer.IoBuffer data) Write a Tag using bytes
boolean	writeTag(ITag tag) Writes a Tag object

Methods inherited from class java.lang.Object

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

Constructor Detail

FLVWriter

public FLVWriter(String filePath)

Creates writer implementation with for a given file

Parameters:

filePath - path to existing file

FLVWriter

public FLVWriter(File file,
                 boolean append)

Creates writer implementation with given file and flag indicating whether or not to append. FLV.java uses this constructor so we have access to the file object

Parameters:

file - File output stream

append - true if append to existing file

Method Detail

writeHeader

public void writeHeader()
                 throws IOException

Writes the header bytes

Specified by:

writeHeader in interface ITagWriter

Throws:

IOException - Any I/O exception

writeTag

public boolean writeTag(ITag tag)
                 throws IOException

Writes a Tag object

Specified by:

writeTag in interface ITagWriter

Parameters:

tag - Tag to write

Returns:

true on success, false otherwise

Throws:

IOException - I/O exception

writeTag

public boolean writeTag(byte dataType,
                        org.apache.mina.core.buffer.IoBuffer data)
                 throws IOException

Write a Tag using bytes

Specified by:

writeTag in interface ITagWriter

Parameters:

dataType - Tag type

data - Byte data

Returns:

true on success, false otherwise

Throws:

IOException - I/O exception

writeStream

public boolean writeStream(byte[] b)

Write a Stream to disk using bytes

Specified by:

writeStream in interface ITagWriter

Parameters:

b - Array of bytes to write

Returns:

true on success, false otherwise

close

public void close()

Ends the writing process, then merges the data file with the flv file header and metadata.

Specified by:

close in interface ITagWriter

addPostProcessor

public void addPostProcessor(IPostProcessor postProcessor)

Adds a post-process for execution once the instance completes.

Specified by:

addPostProcessor in interface ITagWriter

getFile

public IStreamableFile getFile()

Return the file that is written.

Specified by:

getFile in interface ITagWriter

Returns:

the File to be written

setFLV

public void setFLV(IFLV flv)

Setter for FLV object

Parameters:

flv - FLV source

getOffset

public int getOffset()

Return the offset

Specified by:

getOffset in interface ITagWriter

Returns:

Offset value

setOffset

public void setOffset(int offset)

Setter for offset

Parameters:

offset - Value to set for offset

getBytesWritten

public long getBytesWritten()

Return the bytes written

Specified by:

getBytesWritten in interface ITagWriter

Returns:

Number of bytes written

setVideoCodecId

public void setVideoCodecId(int videoCodecId)

setAudioCodecId

public void setAudioCodecId(int audioCodecId)

setSoundRate

public void setSoundRate(int soundRate)

setSoundSize

public void setSoundSize(int soundSize)

setSoundType

public void setSoundType(boolean soundType)

setDuration

public void setDuration(int duration)

setVideoDataSize

public void setVideoDataSize(int videoDataSize)

setAudioDataSize

public void setAudioDataSize(int audioDataSize)

repair

public static boolean repair(String path,
                             Integer audioId,
                             Integer videoId)
                      throws InterruptedException

Allows repair of flv files if .info and .ser files still exist.

Parameters:

path - path to .ser file

audioId - audio codec id

videoId - video codec id

Returns:

true if conversion was successful

Throws:

InterruptedException - Exception on interruption

main

public static void main(String[] args)
                 throws InterruptedException

Exposed to allow repair of flv files if .info and .ser files still exist.

Parameters:

args - 0: path to .ser file 1: audio codec id 2: video codec id

Throws:

InterruptedException - Exception on interruption