[FFmpeg-trac] #3838(ffprobe:new): ffprobe's "fully_qualified" XML output does not namespace all elements

[FFmpeg]

#3838: ffprobe's "fully_qualified" XML output does not namespace all elements
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             Reporter:  misty    |                     Type:  defect
               Status:  new      |                 Priority:  normal
            Component:  ffprobe  |                  Version:  unspecified
             Keywords:           |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
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 ffprobe's XML output features a "fully_qualified" option, which is
 documented as follows:

 > fully_qualified, q
 >     If set to 1 specify if the output should be fully qualified. Default
 value is 0.  This is required for generating an XML file which can be
 validated through an XSD file.

 However, when this option is set, only the root <ffprobe> element is
 namespaced. All other elements are left unaltered, so they will not be
 interpreted as being in the same namespace as the parent element. Here's
 an example:

 Regular output:
 {{{
 <?xml version="1.0" encoding="UTF-8"?>
 <ffprobe>
     <format filename="/Users/mistydemeo/image.png" nb_streams="1"
 nb_programs="0" format_name="image2" format_long_name="image2 sequence"
 start_time="0.000000" duration="0.040000" probe_score="50"/>
 </ffprobe>
 }}}

 Fully-qualified output:
 {{{
 <?xml version="1.0" encoding="UTF-8"?>
 <ffprobe:ffprobe xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
 xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe'
 xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'>
     <format filename="/Users/mistydemeo/image.png" nb_streams="1"
 nb_programs="0" format_name="image2" format_long_name="image2 sequence"
 start_time="0.000000" duration="0.040000" probe_score="50"/>
 </ffprobe:ffprobe>
 }}}

 The fully-qualified example was generated with the "-print_format
 xml=fully_qualified=1 -show_format" options.

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Ticket URL: <https://trac.ffmpeg.org/ticket/3838>
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