org.opencv.videoio

Class IStreamReader

java.lang.Object

org.opencv.videoio.IStreamReader

public class IStreamReader
extends Object

Read data stream interface

Field Summary

Fields

Modifier and Type	Field and Description
protected long	nativeObj

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	IStreamReader() Constructor of streaming callback object with abstract 'read' and 'seek' methods that should be implemented in Java code. NOTE: Implemented callbacks should be called from the creation thread to avoid JNI performance degradation
protected	IStreamReader(long addr)

Method Summary

Modifier and Type	Method and Description
static IStreamReader	__fromPtr__(long addr)
protected void	finalize()
long	getNativeObjAddr()
long	read(byte[] buffer, long size) Read bytes from stream
long	seek(long offset, int origin) Sets the stream position

Methods inherited from class java.lang.Object

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

Field Detail

nativeObj

protected final long nativeObj

Constructor Detail

IStreamReader

protected IStreamReader(long addr)

IStreamReader

protected IStreamReader()

Constructor of streaming callback object with abstract 'read' and 'seek' methods that should be implemented in Java code.
NOTE: Implemented callbacks should be called from the creation thread to avoid JNI performance degradation

Method Detail

getNativeObjAddr

public long getNativeObjAddr()

__fromPtr__

public static IStreamReader __fromPtr__(long addr)

read

public long read(byte[] buffer,
                 long size)

Read bytes from stream

Parameters:

buffer - already allocated buffer of at least size bytes

size - maximum number of bytes to read

Returns:

actual number of read bytes

seek

public long seek(long offset,
                 int origin)

Sets the stream position

Parameters:

offset - Seek offset

origin - SEEK_SET / SEEK_END / SEEK_CUR SEE: fseek

Returns:

automatically generated

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable