cv::cudacodec::VideoWriter Class Reference

Video writer interface. More...

#include <opencv2/cudacodec.hpp>

Public Member Functions
virtual	~VideoWriter ()
virtual EncoderParams	getEncoderParams () const =0
	Retrieve the encoding parameters.
virtual void	release ()=0
	Waits until the encoding process has finished before calling EncoderCallback::onEncodingFinished().
virtual void	write (InputArray frame)=0
	Writes the next video frame.

Detailed Description

Video writer interface.

Available when built with WITH_NVCUVENC=ON while Nvidia's Video Codec SDK is installed.

Encoding support is dependent on the GPU, refer to the Nvidia Video Codec SDK Video Encode and Decode GPU Support Matrix for details.

Note

• An example on how to use the videoWriter class can be found at opencv_source_code/samples/gpu/video_writer.cpp

Constructor & Destructor Documentation

~VideoWriter()

virtual cv::cudacodec::VideoWriter::~VideoWriter ( )

inlinevirtual

Member Function Documentation

getEncoderParams()

virtual EncoderParams cv::cudacodec::VideoWriter::getEncoderParams ( ) const

pure virtual

Retrieve the encoding parameters.

release()

virtual void cv::cudacodec::VideoWriter::release ( )

pure virtual

Waits until the encoding process has finished before calling EncoderCallback::onEncodingFinished().

write()

virtual void cv::cudacodec::VideoWriter::write ( InputArray  frame )

pure virtual

Writes the next video frame.

Parameters

frame

The framet to be written.

The method encodes the specified image to a video stream. The image must have the same size and the same surface format as has been specified when opening the video writer.

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

• opencv2/cudacodec.hpp