OpenCV  3.4.12-pre
Open Source Computer Vision
Public Member Functions | List of all members
cv::cudacodec::VideoReader Class Referenceabstract

Video reader interface. More...

#include <opencv2/cudacodec.hpp>

Public Member Functions

virtual ~VideoReader ()
 
virtual FormatInfo format () const =0
 Returns information about video file format. More...
 
virtual bool nextFrame (OutputArray frame)=0
 Grabs, decodes and returns the next video frame. More...
 

Detailed Description

Video reader interface.

Note
  • An example on how to use the videoReader class can be found at opencv_source_code/samples/gpu/video_reader.cpp

Constructor & Destructor Documentation

◆ ~VideoReader()

virtual cv::cudacodec::VideoReader::~VideoReader ( )
inlinevirtual

Member Function Documentation

◆ format()

virtual FormatInfo cv::cudacodec::VideoReader::format ( ) const
pure virtual

Returns information about video file format.

◆ nextFrame()

virtual bool cv::cudacodec::VideoReader::nextFrame ( OutputArray  frame)
pure virtual

Grabs, decodes and returns the next video frame.

If no frames has been grabbed (there are no more frames in video file), the methods return false . The method throws Exception if error occurs.


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