[Bugs] #3826 sugar-toolkit-gtk3 UNSP: Get supported audio and video mime types from gstreamer

[Sugar Labs Bugs]

#3826: Get supported audio and video mime types from gstreamer
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    Reporter:  godiard                    |          Owner:  erikos                     
        Type:  enhancement                |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  sugar-toolkit-gtk3         |        Version:  Unspecified                
    Severity:  Unspecified                |       Keywords:                             
Distribution:  Unspecified                |   Status_field:  Unconfirmed                
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 In the mime.py file [1], sugar define a fixed group of mime types to the
 filter by type (Text, Image, Audio, Video, Link)

 The audio and video files supported depends on the gstreamer plugins
 installed.

 A basic script to take that info from gstreamer is available here [2] but
 is very slow. Probably can be faster using sax, but anyway the call to
 gst-xmlinspect takes time too.
 We need look how can use this or another solution.

 [1] http://git.sugarlabs.org/sugar-
 base/mainline/blobs/master/src/sugar/mime.py (in the gtk3 port sugar-base
 is merged with sugar-toolkit-gtk3)

 [2] http://git.sugarlabs.org/many-
 tests/mainline/commit/b0c05f5b413891b31cd59998968a098a0bcec7f3

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Ticket URL: <http://bugs.sugarlabs.org/ticket/3826>
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