org.datavec.image.recordreader

Class VideoRecordReader

java.lang.Object

org.datavec.api.records.reader.BaseRecordReader

org.datavec.image.recordreader.VideoRecordReader

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, Configurable, RecordReader, SequenceRecordReader

public class VideoRecordReader
extends BaseRecordReader
implements SequenceRecordReader

A video is just a moving window of pictures. It should be processed as such. This iterates over a root folder and returns a frame

Author:

Adam Gibson

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	HEIGHT
static String	IMAGE_LOADER
protected InputSplit	inputSplit
static String	WIDTH

Fields inherited from class org.datavec.api.records.reader.BaseRecordReader

listeners

Fields inherited from interface org.datavec.api.records.reader.RecordReader

APPEND_LABEL, LABELS, NAME_SPACE

Constructor Summary

Constructors

Constructor and Description
VideoRecordReader()
VideoRecordReader(int height, int width) Load the record reader with the given height and width
VideoRecordReader(int height, int width, boolean appendLabel)
VideoRecordReader(int height, int width, boolean appendLabel, List<String> labels)
VideoRecordReader(int height, int width, List<String> labels) Load the record reader with the given height and width

Method Summary

Modifier and Type	Method and Description
void	close()
Configuration	getConf()
List<String>	getLabels()
boolean	hasNext()
void	initialize(Configuration conf, InputSplit split)
void	initialize(InputSplit split)
List<Record>	loadFromMetaData(List<RecordMetaData> recordMetaDatas)
Record	loadFromMetaData(RecordMetaData recordMetaData)
List<SequenceRecord>	loadSequenceFromMetaData(List<RecordMetaData> recordMetaDatas)
SequenceRecord	loadSequenceFromMetaData(RecordMetaData recordMetaData)
List<Writable>	next()
Record	nextRecord()
SequenceRecord	nextSequence()
List<Writable>	record(URI uri, DataInputStream dataInputStream)
void	reset()
boolean	resetSupported()
List<List<Writable>>	sequenceRecord()
List<List<Writable>>	sequenceRecord(URI uri, DataInputStream dataInputStream)
void	setConf(Configuration conf)

Methods inherited from class org.datavec.api.records.reader.BaseRecordReader

batchesSupported, getListeners, invokeListeners, next, setListeners, setListeners

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.datavec.api.records.reader.RecordReader

batchesSupported, getListeners, next, setListeners, setListeners

Field Detail

HEIGHT

public static final String HEIGHT

WIDTH

public static final String WIDTH

IMAGE_LOADER

public static final String IMAGE_LOADER

inputSplit

protected InputSplit inputSplit

Constructor Detail

VideoRecordReader

public VideoRecordReader()

VideoRecordReader

public VideoRecordReader(int height,
                         int width,
                         List<String> labels)

Load the record reader with the given height and width

Parameters:

height - the height to load

width - the width load

VideoRecordReader

public VideoRecordReader(int height,
                         int width,
                         boolean appendLabel,
                         List<String> labels)

VideoRecordReader

public VideoRecordReader(int height,
                         int width)

Load the record reader with the given height and width

Parameters:

height - the height to load

width - the width load

VideoRecordReader

public VideoRecordReader(int height,
                         int width,
                         boolean appendLabel)

Method Detail

initialize

public void initialize(InputSplit split)
                throws IOException,
                       InterruptedException

Specified by:

initialize in interface RecordReader

Throws:

IOException

InterruptedException

initialize

public void initialize(Configuration conf,
                       InputSplit split)
                throws IOException,
                       InterruptedException

Specified by:

initialize in interface RecordReader

Throws:

IOException

InterruptedException

next

public List<Writable> next()

Specified by:

next in interface RecordReader

hasNext

public boolean hasNext()

Specified by:

hasNext in interface RecordReader

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

sequenceRecord

public List<List<Writable>> sequenceRecord()

Specified by:

sequenceRecord in interface SequenceRecordReader

setConf

public void setConf(Configuration conf)

Specified by:

setConf in interface Configurable

getConf

public Configuration getConf()

Specified by:

getConf in interface Configurable

getLabels

public List<String> getLabels()

Specified by:

getLabels in interface RecordReader

reset

public void reset()

Specified by:

reset in interface RecordReader

resetSupported

public boolean resetSupported()

Specified by:

resetSupported in interface RecordReader

record

public List<Writable> record(URI uri,
                             DataInputStream dataInputStream)
                      throws IOException

Specified by:

record in interface RecordReader

Throws:

IOException

nextRecord

public Record nextRecord()

Specified by:

nextRecord in interface RecordReader

loadFromMetaData

public Record loadFromMetaData(RecordMetaData recordMetaData)
                        throws IOException

Specified by:

loadFromMetaData in interface RecordReader

Throws:

IOException

loadFromMetaData

public List<Record> loadFromMetaData(List<RecordMetaData> recordMetaDatas)
                              throws IOException

Specified by:

loadFromMetaData in interface RecordReader

Throws:

IOException

sequenceRecord

public List<List<Writable>> sequenceRecord(URI uri,
                                           DataInputStream dataInputStream)
                                    throws IOException

Specified by:

sequenceRecord in interface SequenceRecordReader

Throws:

IOException

nextSequence

public SequenceRecord nextSequence()

Specified by:

nextSequence in interface SequenceRecordReader

loadSequenceFromMetaData

public SequenceRecord loadSequenceFromMetaData(RecordMetaData recordMetaData)
                                        throws IOException

Specified by:

loadSequenceFromMetaData in interface SequenceRecordReader

Throws:

IOException

loadSequenceFromMetaData

public List<SequenceRecord> loadSequenceFromMetaData(List<RecordMetaData> recordMetaDatas)
                                              throws IOException

Specified by:

loadSequenceFromMetaData in interface SequenceRecordReader

Throws:

IOException