MATLAB: Use subplot play video

subplotvideo

Hi,I need to help.

This code could show image in same figure, but I want to play video not image,I don't know how to do.

subplot(1,2,1), imshow('autumn.tif');
subplot(1,2,2), imshow('glass.png');

Best Answer

Hi, maybe

obj = mmreader('xylophone.mpg');
vid = read(obj);
for frame = 1 : size(vid,4)
    bw = im2bw(vid(:,:,:,frame));
    subplot(2,1,1); imshow(vid(:,:,:,frame));
    subplot(2,1,2); imshow(bw);
    drawnow;    
end

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MATLAB: How to use button that controls video

function vidplayer()
obj = mmreader('rhinos.avi');
v = read(obj);
hstat = uicontrol('unit','pixel','style','checkbox','value',0,'position',...
            [160 10 25 25]);
hplay = uicontrol('unit','pixel','style','pushbutton','string','PLAY',...
            'position',[10 10 50 25],'callback',{@play_callback,v});
hstop = uicontrol('unit','pixel','style','pushbutton','string','STOP',...
            'position',[60 10 50 25],'callback',@stop_callback);
hexit = uicontrol('unit','pixel','style','pushbutton','string','EXIT',...
            'position',[110 10 50 25],'callback',@exit_callback);
function play_callback(hObject,eventdata,vid)
    set(hstat,'value',1);    
    for frame = 1 : size(vid,4)   
        if get(hstat,'value') == 1,
            subplot(2,2,1); imshow(vid(:,:,:,frame));
            subplot(2,2,2); imshow(vid(:,:,:,frame));
            subplot(2,2,3); imshow(vid(:,:,:,frame));
            subplot(2,2,4); imshow(vid(:,:,:,frame));
            drawnow;    
        else, break; end
    end    
end
function stop_callback(hObject,eventdata)
    set(hstat,'value',0);
end
function exit_callback(hObject,eventdata)
    stop_callback;
    close gcf;
end
end

Best Answer

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