[FFmpeg-trac] #4579(avformat:new): no duration for FLV file

[FFmpeg]

#4579: no duration for FLV file
----------------------------------+--------------------------------------
             Reporter:  cgbug     |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avformat  |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
----------------------------------+--------------------------------------
 Sample:
 http://www.datafilehost.com/d/e2ed3397

 MediaInfo shows a duration of 2m20s.

 FFmpeg output:
 ffmpeg version N-72362-g7ae805d Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 4.9.2 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
 --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
 --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
 --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
 --enable-libmfx --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-libvidstab --enable-libvo-aacenc
 --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
 libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-
 libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
   libavutil      54. 25.100 / 54. 25.100
   libavcodec     56. 41.100 / 56. 41.100
   libavformat    56. 33.101 / 56. 33.101
   libavdevice    56.  4.100 / 56.  4.100
   libavfilter     5. 16.101 /  5. 16.101
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100
 [flv @ 02d33700] Stream discovered after head already parsed
 [flv @ 02d33700] Negative cts, previous timestamps might be wrong.
 [flv @ 02d33700] Invalid timestamps stream=0, pts=-481, dts=0, size=1273
 [flv @ 02d33700] Invalid timestamps stream=0, pts=-364, dts=0, size=1478
 [flv @ 02d33700] Invalid timestamps stream=0, pts=-242, dts=0, size=1367
 [flv @ 02d33700] Invalid timestamps stream=0, pts=-113, dts=0, size=1330
 Input #0, flv, from 'no_duration.flv':
   Metadata:
     encoder         : Lavf52.93.0
   Duration: 00:00:00.00, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: h264 (Baseline), yuv420p(tv), 640x360 [SAR 1:1 DAR
 16:9], 20 fps, 20 tbr, 1k tbn, 40 tbc
     Stream #0:1: Audio: aac (LC), 44100 Hz, stereo, fltp, 48 kb/s
     Stream #0:2: Subtitle: text
 At least one output file must be specified

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4579>
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