[FFmpeg-trac] #7905(avformat:new): ISO 639-2 Code "frm" Support

[FFmpeg]

#7905: ISO 639-2 Code "frm" Support
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             Reporter:  jeanhackman  |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mov          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by jeanhackman):

 Replying to [comment:10 cehoyos]:
 > No, I doubt that mediainfo can be used to do anything useful with a
 media file, my question is what actual application are you using?

 I typically use Manzanita MP2TSAE for MPEG-TS container
 compliance/analysis and sometimes a command line tool that I wrote myself.
 Here is output from MP2TSAE while digging into the PMT to look at the
 French DVS stream:
 {{{
   Stream #8
     stream_type:        0x81 (User Private)
     reserved:   7
     elementary_PID:     0x107 (263)
     reserved:   15
     ES_info_length:     6
     ISO_639_language_descriptor
       tag:      0x0A (10)
       length:   4
       ISO_639_language_code:    0x66726D (frm)
       audio_type:       0 (Undefined)
 }}}
 As you can see the  ISO_639_language_code is present and has value "frm"
 as expected.
 Not that this is the place for debate, but I wholeheartedly disagree with
 your jab at mediainfo and can vouch that it is actually used in fortune
 50, enterprise-level production workflows. As you can see, mediainfo in
 this case accurately represents the language code.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7905#comment:11>
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