In your options to mencoder, you are specifying the width/height as:

>>> 'type=png:w=9800:h=600:fps=0.6',

But your PNGs have size of 704x538 pixels. That's why you have black bars
on either side of your animation.

Cheers!
Ben Root



On Wed, Mar 12, 2014 at 7:16 AM, diedro <diego.aves...@gmail.com> wrote:

> sorry for that,
> I supposed that I was not more in the the first mailing list. When I post
> the second one, I realized that I was still in the mailing list
>
> Regarding the post:
> Image Type: png (The PNG image format)
> Width: 704 pixels
> Height: 538 pixels
>
> Thanks a lot
>
> Diego
>
>
>
> On 12 March 2014 12:10, Oliver [via matplotlib] <[hidden 
> email]<http://user/SendEmail.jtp?type=node&node=43047&i=0>
> > wrote:
>
>> Please don't double post. Also, this post is much more informative than
>> the first, it's much clearer now where the problem is, and it is not
>> related to matplotlib at all, but with the options you're passing to
>> *mencoder*.
>>
>> What's the size of your orginal pngs?
>>
>>
>>
>> 2014-03-12 11:58 GMT+01:00 diedro <[hidden 
>> email]<http://user/SendEmail.jtp?type=node&node=43046&i=0>
>> >:
>>
>>> Dear all,
>>> I have created a video from *.png files. The problem is that my video has
>>> black bands on the left and on the right. I have used the following
>>> commands:
>>>
>>> command = ('mencoder',
>>>            'mf://*.png',
>>>            '-mf',
>>>            'type=png:w=9800:h=600:fps=0.6',
>>>            '-ovc',
>>>            'lavc',
>>>            '-lavcopts',
>>>            'vcodec=mpeg4',
>>>            '-oac',
>>>            'copy',
>>>            '-o',
>>>            'output.avi')
>>>
>>> How could I create a video without the black bands.
>>>
>>> Thank you all,
>>>
>>>
>>>
>>> --
>>> View this message in context:
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