Displaying video

Colin Lea colincsl at gmail.com
Fri Feb 1 17:56:24 EST 2013


Great. Thanks to both of you. I have implemented a video viewer using 
visvis that works very similarly to opencv (including registering key 
presses). I'll submit a PR in the next couple of days to see if anyone is 
interested in including it in skimage.

On Friday, February 1, 2013 2:36:26 AM UTC-5, Otto wrote:
>
> I used WX to display frames from a video within my GUIs, it works well:
>
>
> http://wxpython.org/docs/api/wx.DC-class.html
>
>
> 2013/2/1 Almar Klein <almar... at gmail.com <javascript:>>
>
>> You could do it with OpenGl, although it wouldn't be straightforward. You 
>> can also do it in visvis (which uses OpenGl). Here's some untested code 
>> that would do this:
>>
>> import visvis as vv
>> vv.clf() # Clear figure (or create a new figure)
>> tex = vv.imshow(first_frame)
>>
>> while video_not_ended:
>>     tex.SetData(next_frame)
>>     time.sleep(1.0/framerate)
>>     vv.processEvents()
>>
>> - Almar
>>
>>
>> On 30 January 2013 22:07, Colin Lea <coli... at gmail.com <javascript:>>wrote:
>>
>>> For a long time now I've kept OpenCV in my vision stack primarily for 
>>> displaying videos. I'm trying to get rid of it as a dependence for use on a 
>>> secure remote server which I don't have unfettered access to. 
>>>
>>> So I'm wondering, how do other people display videos? I see that PyGame 
>>> is another option. Does anyone use that? By displaying videos essentially I 
>>> just mean showing streams of images (not necessary from a video file).
>>>
>>> If nobody else has a solution other than to use OpenCV, would it be of 
>>> interest to implement something (either using PyGame or otherwise) for 
>>> skimage?
>>>
>>>
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