org.bytedeco.opencv.opencv_cudacodec

Class VideoReader

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.opencv.opencv_cudacodec.VideoReader

All Implemented Interfaces:

AutoCloseable

@Name(value="cv::cudacodec::VideoReader")
 @Properties(inherit=opencv_cudacodec.class)
public class VideoReader
extends Pointer

\brief 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

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
VideoReader(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
FormatInfo	format() \brief Returns information about video file format.
boolean	nextFrame(GpuMat frame)
boolean	nextFrame(GpuMat frame, Stream stream) \brief Grabs, decodes and returns the next video frame.

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, hashCode, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetof, parseBytes, physicalBytes, position, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, toString, totalBytes, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

VideoReader

public VideoReader(Pointer p)

Pointer cast constructor. Invokes Pointer.Pointer(Pointer).

Method Detail

nextFrame

@Cast(value="bool")
public boolean nextFrame(@ByRef
                                             GpuMat frame,
                                             @ByRef(nullValue="cv::cuda::Stream::Null()")
                                             Stream stream)

\brief 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.

nextFrame

@Cast(value="bool")
public boolean nextFrame(@ByRef
                                             GpuMat frame)

format

@ByVal
public FormatInfo format()

\brief Returns information about video file format.