[FFmpeg-trac] #4073(undetermined:new): mpegvideo unspecified pixel format - autocad mpg file

[FFmpeg]

#4073: mpegvideo unspecified pixel format - autocad mpg file
-------------------------------------+-------------------------------------
               Reporter:  compn      |                  Owner:
                   Type:             |                 Status:  new
  enhancement                        |              Component:
               Priority:  normal     |  undetermined
                Version:             |               Keywords:
  unspecified                        |               Blocking:
             Blocked By:             |  Analyzed by developer:  0
Reproduced by developer:  0          |
-------------------------------------+-------------------------------------
 D:\>ffmpeg -i "newpresentation - Copy.mpg" outputtest.mpg
 ffmpeg version N-66564-gc29d999 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Oct  2 2014 00:53:44 with gcc 4.9.1 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzli
 b --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv
 --enable-libass --enable-libblu
 ray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme
 --enable-libgsm --enable-
 libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
 --enable-libopencore-amrw
 b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
 libschroedinger --enable-libsoxr -
 -enable-libspeex --enable-libtheora --enable-libtwolame --enable-
 libvidstab --enable-libvo-aacenc --
 enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
 libwavpack --enable-libwebp --enab
 le-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
 zlib
   libavutil      54.  7.101 / 54.  7.101
   libavcodec     56.  1.102 / 56.  1.102
   libavformat    56.  7.102 / 56.  7.102
   libavdevice    56.  1.100 / 56.  1.100
   libavfilter     5.  1.102 /  5.  1.102
   libswscale      3.  1.100 /  3.  1.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  1.100 / 53.  1.100
 [mpeg1video @ 02dbbfc0] Invalid frame dimensions 0x0.
     Last message repeated 39 times
 [mpegvideo @ 02eb8820] decoding for stream 0 failed
 [mpegvideo @ 02eb8820] Estimating duration from bitrate, this may be
 inaccurate
 [mpegvideo @ 02eb8820] Could not find codec parameters for stream 0
 (Video: mpeg1video, 640x480, 104
 857 kb/s): unspecified pixel format
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 newpresentation - Copy.mpg: could not find codec parameters
 Input #0, mpegvideo, from 'newpresentation - Copy.mpg':
   Duration: 00:00:00.07, bitrate: 104856 kb/s
     Stream #0:0: Video: mpeg1video, 640x480, 104857 kb/s, 1200k tbn
 [buffer @ 02eb8600] Unable to parse option value "-1" as pixel format
     Last message repeated 1 times
 [buffer @ 02eb8600] Error setting option pix_fmt to value -1.
 [graph 0 input from stream 0:0 @ 02eb2160] Error applying options to the
 filter.
 Error opening filters!

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Ticket URL: <https://trac.ffmpeg.org/ticket/4073>
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