CODEWITHSUNDEEP
matlabvideocomputer-vision
Infinity
Infinity

Reputation: 441

Computer Vision: Path for playing video

I want to use video from following directory 'E:\Multimedia Security\matlab\UCSD_Anomaly_Dataset.v1p2\UCSDped1\Train\Train001'

Following is the code which i wrote

close all
clear all
clc

workingDir = 'E:\Multimedia 
Security\matlab\UCSD_Anomaly_Dataset.v1p2\UCSDped1\Train\Train001';

videoofReader = vision.VideoFileReader(dir(fullfile(workingDir, 'abc.avi')));
videoPlayer = vision.VideoPlayer;

while ~isDone(videoofReader)
  frame = step(videoofReader);
  step(videoPlayer, frame);
end

release(videoofReader);
release(videoPlayer);

Error which i get is

`Error using VideoFileReader.set.Filename (line 139)
Expected Filename to be one of these types:

char

Instead its type was struct.

Error in C:\Program
Files\MATLAB\R2012a\toolbox\matlab\system\+matlab\+system\setProp.p>setProp 
(line 14)


Error in

C:\ProgramFiles\MATLAB\R2012a\toolbox\matlab\system+matlab+system\SystemProp.p>SystemProp.set (line 373)

Error in C:\Program Files\MATLAB\R2012a\toolbox\matlab\system+matlab+system\SystemProp.p>SystemProp.parseInputs (line 635)

Error in C:\Program Files\MATLAB\R2012a\toolbox\matlab\system+matlab+system\SystemProp.p>SystemProp.setProperties (line 138)

Error in C:\Program Files\MATLAB\R2012a\toolbox\vision\vision+vision\VideoFileReader.p>VideoFileReader.VideoFileReader (line 131)

Error in kl2 (line 18) videoofReader = vision.VideoFileReader(dir(fullfile(workingDir, 'abc.avi')));

Upvotes: 0

Views: 206

Answers (1)

Jay Su
Jay Su

Reputation: 46

System prompts you Error in kl2 (line 18) so this line has a problem. You do not need to use dir because you already have an absolute path.

Give you two solutions:

  1. videoofReader = vision.VideoFileReader(fullfile(workingDir, 'abc.avi'));

  2. dirstruct = dir(fullfile(workingDir, 'abc.avi')); videoofReader = vision.VideoFileReader(dirstruct{1});

Upvotes: 1

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