[FFmpeg-trac] #4706(documentation:open): av_guess_codec ignores short_name, filename, and mime_type

FFmpeg trac at avcodec.org
Thu Jul 9 11:05:22 CEST 2015

#4706: av_guess_codec ignores short_name, filename, and mime_type
             Reporter:  andrewrk     |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  minor        |                Component:
              Version:  git-master   |  documentation
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
Changes (by cehoyos):

 * priority:  normal => minor
 * status:  new => open
 * component:  avformat => documentation


 My original interpretation of this ticket was that you argued that the
 short_name parameter of av_guess_codec() should have precedence over the
 fmt parameter. Was I correct? If yes, please explain why you think the
 short_name parameter should have precedence. The behaviour is not
 documented (which is a minor bug imo) but changing it after ten years
 would need a (very) good explanation.

 Why are you calling av_guess_codec() if you know exactly what codec you
 want to use?

Ticket URL: <https://trac.ffmpeg.org/ticket/4706#comment:3>
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