VideoWriter::WriteFrame

WriteFrame

1 Version Info
2 Description
3 Syntax
4 Parameters
5 Return
6 Examples
7 Remark
8 See Also
9 header to Included

Version Info

Minimum Origin Version Required: Origin 9 SR0

Description

Constructor.

Syntax

int WriteFrame( const IplImage * iplimg, UINT nNumFrames = 1 )

int WriteFrame( const CvMat & cvmat, UINT nNumFrames = 1 )

int WriteFrame( HDIB hDib, UINT nNumFrames = 1 )

int WriteFrame( const MatrixObject & mo, UINT nNumFrames = 1 )

int WriteFrame( const MatrixLayer & ml, int nObj = -1, UINT nNumFrames = 1 )

int WriteFrame( const GraphPage & gp, UINT nNumFrames = 1 )

Parameters

iplimg: [Input] The image being written to the video.
nNumFrames: [Input] The number of frames.

cvmat: [Input] The image matrix being written to the video.
nNumFrames: [Input] The number of frames.

hDib: [Input] Handle to a Device Independent Bitmap.
nNumFrames: [Input] The number of frames.

mo: [Input] The matrix object being written into the video.
nNumFrames: [Input] The number of frames

ml: [Input] The matrix layer being written into the video.
nObj: [Input] The number of the selected matrix object. -1 for active matrix object.
nNumFrames: [Input] The number of frames.

gp: [Input] The graph page being written to the video.
nNumFrames: [Input] The number of frames.

Return

0: Success

none 0 values: Error code

0: Success

none 0 values: Error code

0: Success

none 0 values: Error code

0: Success

none 0 values: Error code

0: Success

none 0 values: Error code

0: Success

none 0 values: Error code

Examples

EX1

#include <..\OriginLab\VideoWriter.h>
void VideoWrite_WriteFrame_ex1()
{
        // Use the raw format without compression.
        int codec = CV_FOURCC(0,0,0,0); 
 
        // Create a VideoWriter object.
        VideoWriter vw;
        int err = vw.Create("D:\\example.avi", codec, 2, 800, 600);
        if (0 == err)
        {
                foreach(GraphPage grPg in Project.GraphPages)
                        err = vw.WriteFrame(grPg);//write the graph page into the video
        }
    vw.Release();// Release the video object when finished.
}

EX2

#include <..\OriginLab\VideoWriter.h>
void VideoWrite_Release_ex2()
{
        // Use the raw format without compression.
        int codec = CV_FOURCC(0,0,0,0); 
 
        // Create a VideoWriter object.
        VideoWriter vw;
        int err = vw.Create("D:\\example.avi", codec, 2, 800, 600);
        if (0 == err)
        {
                GraphPage gp("Graph1");
                int nNumFrames = 10;//The defined graph page will last for 10 frames.
                vw.WriteFrame(gp, nNumFrames);
        }

    vw.Release();// Release the video object when finished.
}