[FFmpeg-trac] #5950(undetermined:new): Dumping streams with -f data is broken

[FFmpeg]

#5950: Dumping streams with -f data is broken
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  codecpar
             Blocked By:             |  regression
Reproduced by developer:  0          |               Blocking:
                                     |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Dumping streams with {{{-f data}}} is broken since 6f69f7a8
 {{{
 $ ffmpeg -f data -i fate-suite/svq3/Vertical400kbit.sorenson3.mov -f data
 -codec copy -map 0 out
 ffmpeg version N-82415-g0674d19 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      55. 40.100 / 55. 40.100
   libavcodec     57. 66.103 / 57. 66.103
   libavformat    57. 57.100 / 57. 57.100
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 67.100 /  6. 67.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 Input #0, data, from 'fate-suite/svq3/Vertical400kbit.sorenson3.mov':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Data: none
 Output #0, data, to 'out':
   Metadata:
     encoder         : Lavf57.57.100
     Stream #0:0: Data: none
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Output file is empty, nothing was encoded (check -ss / -t / -frames
 parameters if used)
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5950>
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