[PyQt] Embedding MPlayer in a QWidget // painting problems

emmanuel_mayssat at lynceantech.com emmanuel_mayssat at lynceantech.com
Fri Sep 9 16:06:43 BST 2011

Just out of curiosity, why don't you use phonon?
I currently using mplayer and saw that phonon can now display rtsp streams (which I use)
Is there a reason not to use phonon and go with mplayer/vlc?

On 14:55 Fri 09 Sep     , Timothy W. Grove wrote:
> Thanks, I'm giving VLC a try and it seems to be working okay. Probably a  
> question for the VLC forums (I'll copy a post there in a minute...), but  
> I don't understand why I can't get autocropping to work. I'm using  
> """self.Instance = vlc.Instance("--no-audio", "--play-and-pause",  
> "--autocrop") """ within my program, and I've tried using the same  
> arguments on the command line but no joy. Should I be adding any other  
> arguments to include this filter? I'm using the precompiled version of  
> vlc.py which came with the Qt bindings; under Windows 7, PyQt4 and  
> Python 3.2.
> MPlayer was also working well embedded into a QWidget, only the  
> background was destroyed in resizing when paused or stopped as described  
> in my earlier posting below. I attempted also to take screenshots using  
> QPixmap.grabWindow() and .grabWidget() but these only return an empty  
> image. I'd still like to understand this behaviour if anyone has any  
> ideas. Thanks.
> Best regards,
> Timothy Grove
> On 04/09/2011 13:45, Jo Jürgens wrote:
>> If you can use VLC instead of Mplayer, there are Python/Qt bindings  
>> for it that seem to work fine
>> http://wiki.videolan.org/Python_bindings
>> On Sun, Aug 28, 2011 at 4:27 PM, Timothy W. Grove <tim_grove at sil.org  
>> <mailto:tim_grove at sil.org>> wrote:
>>     I've been successful in embedding the MPlayer video player into a
>>     QWidget thanks to the PyMPlayer application
>>     (http://code.google.com/p/python-mplayer/). Resizing the QWidget
>>     resizes a movie just fine while the movie is playing, but once a
>>     movie is paused or stopped, no resizing of the displayed frame
>>     occurrs and even worse, if the window size is decreased so that it
>>     covers the movie, that area of the movie frame is erased. I'm
>>     wondering if someone could suggest what issues 'might' be involved
>>     here? Thanks for any ideas!
>>     Best regards,
>>     Tim
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