[FFmpeg-trac] #2541(avformat:open): Autodetect image file codecs (was: ffplay can't read a .png file)

[FFmpeg]

#2541: Autodetect image file codecs
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             Reporter:  cyril         |                    Owner:
                 Type:  enhancement   |                   Status:  open
             Priority:  wish          |                Component:  avformat
              Version:  git-master    |               Resolution:
             Keywords:  image2 mjpeg  |               Blocked By:
             Blocking:                |  Reproduced by developer:  1
Analyzed by developer:  0             |
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Changes (by cehoyos):

 * status:  new => open
 * component:  undetermined => avformat
 * priority:  normal => wish
 * keywords:   => image2 mjpeg
 * type:  defect => enhancement
 * reproduced:  0 => 1


Old description:

> Summary of the bug:
>  ffplay can't read a .png file
> How to reproduce:
>  ffplay.exe phoebe-4096.png

New description:

 {{{
 $ ffmpeg -vcodec mjpeg -i phoebe-4096.png
 ffmpeg version N-52834-g974420a Copyright (c) 2000-2013 the FFmpeg
 developers
   built on May  6 2013 23:51:34 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 29.100 / 52. 29.100
   libavcodec     55.  7.100 / 55.  7.100
   libavformat    55.  4.101 / 55.  4.101
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 63.101 /  3. 63.101
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, image2, from 'phoebe-4096.png':
   Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: mjpeg, gray, 4096x2049 [SAR 72:72 DAR 4096:2049],
 25 tbr, 25 tbn, 25 tbc
 At least one output file must be specified
 }}}

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2541#comment:1>
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