[FFmpeg-trac] #2496(undetermined:open): seek swf file failed

[FFmpeg]

#2496: seek swf file failed
-------------------------------------+-------------------------------------
             Reporter:  hxuanyu      |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  swf seek     |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------

Comment (by hxuanyu):

 This swf is converted using ffmpeg command:

 the original mp4 file can be seeked in ffplay, but converted swf can't

 $ ffmpeg -i big_buck_bunny.mp4 big_buck_bunny.swf
 ffmpeg version N-50025-gb8bb661 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Feb 17 2013 02:37:45 with gcc 4.7.2 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
 --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca
 --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-librtmp --enable-libschroedinger --enable-
 libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-
 libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
 --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
   libavutil      52. 17.101 / 52. 17.101
   libavcodec     54. 91.103 / 54. 91.103
   libavformat    54. 63.100 / 54. 63.100
   libavdevice    54.  3.103 / 54.  3.103
   libavfilter     3. 38.100 /  3. 38.100
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'big_buck_bunny.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 1
     compatible_brands: mp42avc1
     creation_time   : 2010-02-09 01:55:39
   Duration: 00:01:00.10, start: 0.000000, bitrate: 733 kb/s
     Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 22050 Hz, stereo,
 fltp, 65 kb/s
     Metadata:
       creation_time   : 2010-02-09 01:55:39
       handler_name    : Apple Sound Media Handler
     Stream #0:1(eng): Video: h264 (Constrained Baseline) (avc1 /
 0x31637661), yuv420p, 640x360, 612 kb/s, 23.96 fps, 24 tbr, 600 tbn, 1200
 tbc
     Metadata:
       creation_time   : 2010-02-09 01:55:39
       handler_name    : Apple Video Media Handler
     Stream #0:2(eng): Data: none (rtp  / 0x20707472), 45 kb/s
     Metadata:
       creation_time   : 2010-02-09 01:55:39
       handler_name    : hint media handler
     Stream #0:3(eng): Data: none (rtp  / 0x20707472), 5 kb/s
     Metadata:
       creation_time   : 2010-02-09 01:55:39
       handler_name    : hint media handler
 Output #0, swf, to 'big_buck_bunny.swf':
   Metadata:
     major_brand     : mp42
     minor_version   : 1
     compatible_brands: mp42avc1
     encoder         : Lavf54.63.100
     Stream #0:0(eng): Video: flv1, yuv420p, 640x360, q=2-31, 200 kb/s, 90k
 tbn, 24 tbc
     Metadata:
       creation_time   : 2010-02-09 01:55:39
       handler_name    : Apple Video Media Handler
     Stream #0:1(eng): Audio: mp3, 22050 Hz, stereo, fltp
     Metadata:
       creation_time   : 2010-02-09 01:55:39
       handler_name    : Apple Sound Media Handler
 Stream mapping:
   Stream #0:1 -> #0:0 (h264 -> flv)
   Stream #0:0 -> #0:1 (aac -> libmp3lame)
 Press [q] to stop, [?] for help
 frame= 1440 fps=624 q=31.0 Lsize=    2329kB time=00:01:00.16 bitrate=
 317.2kbits/s
 video:1820kB audio:470kB subtitle:0 global headers:0kB muxing overhead
 1.721029%

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2496#comment:2>
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