cv::IStreamReader Class Reference

Read data stream interface. More...

#include <opencv2/videoio.hpp>

Collaboration diagram for cv::IStreamReader:

Public Member Functions
virtual	~IStreamReader ()
virtual long long	read (char *buffer, long long size)=0
	Read bytes from stream.
virtual long long	seek (long long offset, int origin)=0
	Sets the stream position.

Detailed Description

Read data stream interface.

Constructor & Destructor Documentation

~IStreamReader()

virtual cv::IStreamReader::~IStreamReader ( )

virtual

Member Function Documentation

read()

virtual long long cv::IStreamReader::read ( char * buffer, long long size )

pure virtual

Python:
	cv.IStreamReader.read(	buffer, size	) ->	retval

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

Implemented in cv::PluginStreamReader.

seek()

virtual long long cv::IStreamReader::seek ( long long offset, int origin )

pure virtual

Python:
	cv.IStreamReader.seek(	offset, origin	) ->	retval

Sets the stream position.

Parameters

offset	Seek offset
origin	SEEK_SET / SEEK_END / SEEK_CUR

See also

fseek

Implemented in cv::PluginStreamReader.

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The documentation for this class was generated from the following file:

• opencv2/videoio.hpp