[FFmpeg-trac] #3141(undetermined:new): ffprobe doesn't show the maximum number of reference frames

FFmpeg trac at avcodec.org
Fri Nov 15 12:04:38 CET 2013


#3141: ffprobe doesn't show the maximum number of reference frames
--------------------------------------+----------------------------------
             Reporter:  julian        |                     Type:  defect
               Status:  new           |                 Priority:  normal
            Component:  undetermined  |                  Version:  2.1
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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 some formats (h264) support a variable number of maximum reference frames.

 knowing this information is important to determine video compatibility
 because some devices (PS3) only support a limited number.

 mediainfo easily shows this information
 {{{
 $ mediainfo test.mkv
 […]

 Video
 […]
 Format settings, ReFrames                : 9 frames

 }}}

 i've found no way to determine this using ffprobe, so either the feature
 is missing or the documentation (website, help-section) is lacking.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3141>
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