Azzera filtri
Azzera filtri

How to rewind in VideoReader?

6 visualizzazioni (ultimi 30 giorni)
K E
K E il 9 Mar 2016
Risposto: Walter Roberson il 12 Mar 2016
If I have read several frames in VideoReader, how can I rewind to the first frame? In this example, let's say I stop the replay after 5 frames (enter 0 when prompted at the 5th frame). After that I want to rewind to the 1st frame, for example if I want to display the first frame again. How do I rewind?
vidObj = VideoReader('xylophone.mp4'); % Make a video object of an example video on everyone's path
iStop = []; % Stop the frame display if this is not empty
while hasFrame(vidObj) & isempty(iStop) % Loop through all frames
vidFrame = readFrame(vidObj);
imagesc(vidFrame);
iStop = input('0 to stop, return to continue ');
end
  4 Commenti
Walter Roberson
Walter Roberson il 10 Mar 2016
time_to_remember = vidObj.CurrentTime;
.... do some things that read frames ...
vidObj.CurrentTime = time_to_remember; %position back to where we were
Image Analyst
Image Analyst il 11 Mar 2016
Put these comments in the "Answers" section.

Accedi per commentare.

Risposta accettata

Walter Roberson
Walter Roberson il 12 Mar 2016
time_to_remember = vidObj.CurrentTime;
.... do some things that read frames ...
vidObj.CurrentTime = time_to_remember; %position back to where we were

Più risposte (0)

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by