[FFmpeg-trac] #6617(ffprobe:new): ffprobe feature request: add RFC 6381 string to stream metadata

[FFmpeg]

#6617: ffprobe feature request: add RFC 6381 string to stream metadata
-------------------------------------+-------------------------------------
             Reporter:  Melatonin64  |                     Type:
               Status:  new          |  enhancement
            Component:  ffprobe      |                 Priority:  normal
             Keywords:  rfc6381      |                  Version:
             Blocking:               |  unspecified
Analyzed by developer:  0            |               Blocked By:
                                     |  Reproduced by developer:  0
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 RFC6381 defines a string representation for media files that also includes
 codec specifics such as profile, level etc.

 Examples include:
 {{{
 video/mp4; codecs="avc1.42E01E, mp4a.40.2"
 video/3gpp2; codecs="mp4v.20.9, mp4a.E1"
 }}}


 These strings are required for working with media on the web.
 Examples of JS APIs that require these include
 [https://developer.mozilla.org/en-
 US/docs/Web/API/MediaSource/addSourceBuffer addSourceBuffer] and
 [https://developer.mozilla.org/en-
 US/docs/Web/API/HTMLMediaElement/canPlayType canPlayType].

 It would be extremely useful if a property would be added to stream's
 metadata, with the full codec string as a value (i.e. '''avc1.4D401F''')

 Another property could be added to the format object, with the full
 content type string (i.e. '''video/mp4; codecs="avc1.640028,
 mp4a.40.2"''')

 Related links:
 [https://tools.ietf.org/html/rfc6381]
 [https://ffmpeg.org/pipermail/ffmpeg-user/2016-October/034078.html]

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Ticket URL: <https://trac.ffmpeg.org/ticket/6617>
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