Play Video in MATLAB GUI with other Objects

Hi, all. I'm starting an experiment where I need to have a video window, as well as a number of text boxes and buttons in a single GUI window. Is this possible? Does anyone have any example code or suggestions on how I might be able to embed the video into the GUI and control it?

Thank you kindly.

Bill

Answer 1

[Chaowei Chen]

function main(var_3D)

if nargin<1, var_3D=randn(100,100,100);end

[R,C,Frame]=size(var_3D);

h_play=uicontrol('style','pushbutton','callback',@play_var,'string','play');

h_text1=uicontrol('style','edit','string','edit1','position',[200 20 80 20]);

h_text2=uicontrol('style','edit','string','edit2','position',[300 20 80 20]);
      function play_var(hObject,events)

          for f=1:Frame
              imshow(var_3D(:,:,f));
              title(['frame ' int2str(f)]);
              drawnow;
          end
      end

end

[Chaowei Chen]

save above as a *.m file. Executing it should do your quest.

[Bill]

Chaowei, will this also play audio from the video files I'll be using? I have .avi files with audio, so I'll need the audio to play along with the video.

Thanks.

Answer 2

[Chaowei Chen]

function main

vid = videoinput('winvideo', 1);

figure;

h_play=uicontrol('style','pushbutton','callback',@play_vid,'string','play','position',[200 20 80 20]);

h_stop=uicontrol('style','pushbutton','callback',@stop_vid,'string','stop','position',[300 20 80 20]);

h_img=image;

%%

    function play_vid(hObject,events),        preview(vid,h_img),    end
    function stop_vid(hObject,events),        stoppreview(vid),    end

end

[Chaowei Chen]

This unpolished code may do your work if you plug a USB webcam.

Also, http://www.mathworks.com/help/toolbox/imaq/f11-74309.html

may help.

[Bill]

This seems to open my webcam. Any way you can provide me with code for importing my own video and playing it?

[Bill]

Sorry, I missed your last comment. I should clarify. I don't need to record audio and video from a subject. I already have video files with audio saved and will need to play them depending on the trial the participant is on. Is there a function where I can import one of my .avi files into the workspace and then play it?

Answer 3

[Chaowei Chen]

function main

[f,p]=uigetfile('*.avi');cd(p)

h_play=uicontrol('style','pushbutton','callback',@play_vid,'string','play','position',[200 20 80 20]);
      function play_vid(hObject,events),        winopen(f);    end

end

[Chaowei Chen]

This won't put the video window in the GUI. Maybe somebody can help.

Answer 4

[Sk Sahariyaz Zaman]

You can also see -

http://www.mathworks.com/matlabcentral/fileexchange/51014-video-player-with-pause-play