[FFmpeg-trac] #3464(undetermined:new): hnm: support 256x256 resolution

[FFmpeg]

#3464: hnm: support 256x256 resolution
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 there is one error message when I remove this check:

 libavformat/hnm.c:
 {{{
 //   if (hnm->width  < 320 || hnm->width  > 640 ||
 //       hnm->height < 150 || hnm->height > 480) {
 //        av_log(s, AV_LOG_ERROR,
 //               "invalid resolution: %ux%u\n", hnm->width, hnm->height);
 //        return AVERROR_INVALIDDATA;
 //   }
 }}}

 http://cd.textfiles.com/pcgamesexe/pcge199804/DREAMS/DATA/ANIM/DEMO.HNM

 {{{
 C:\>ffmpeg -i DEMO.HNM
 ffmpeg version N-61338-g12ce58b Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Mar 12 2014 23:35:57 with gcc 4.8.2 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-av
 isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enab
 le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-
 libfreetyp
 e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
 --ena
 ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-l
 ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr
 --enable-libsp
 eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvo-aa
 cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
 libwavp
 ack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
 --enable
 -zlib
   libavutil      52. 66.101 / 52. 66.101
   libavcodec     55. 52.102 / 55. 52.102
   libavformat    55. 34.101 / 55. 34.101
   libavdevice    55. 11.100 / 55. 11.100
   libavfilter     4.  3.100 /  4.  3.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 [hnm @ 02cea760] invalid resolution: 256x256
 DEMO.HNM: Invalid data found when processing input
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3464>
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