[FFmpeg-trac] #5003(undetermined:new): "missing header" decoding mp2 after seek

[FFmpeg]

#5003: "missing header" decoding mp2 after seek
-------------------------------------+-------------------------------------
             Reporter:  bbloom       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  minor        |                Component:
              Version:  git-master   |  undetermined
             Keywords:  mpegps mp2   |               Resolution:
  regression                         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by bbloom):

 {{{
 $ ffmpeg -ss 0 -i fighter.mpg out.mpg
 ffmpeg version git-2015-11-16-a62178b Copyright (c) 2000-2015 the FFmpeg
 developers
   built with Apple LLVM version 7.0.0 (clang-700.1.76)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared
 --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-
 opencl --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc
 --enable-libxvid --enable-libfontconfig --enable-libfreetype --enable-
 libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libfaac --enable-
 libass --enable-ffplay --enable-libssh --enable-libspeex --enable-
 libschroedinger --enable-libfdk-aac --enable-openssl --enable-libopus
 --enable-frei0r --enable-libcaca --enable-libsoxr --enable-libquvi
 --enable-libvidstab --enable-libx265 --enable-libwebp --enable-libzmq
 --enable-libbs2b --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-
 cflags=-I/usr/local/Cellar/openjpeg/1.5.2_1/include/openjpeg-1.5 --enable-
 nonfree --enable-vda
   libavutil      55.  6.100 / 55.  6.100
   libavcodec     57. 15.100 / 57. 15.100
   libavformat    57. 14.100 / 57. 14.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6. 15.100 /  6. 15.100
   libavresample   3.  0.  0 /  3.  0.  0
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, mpeg, from 'fighter.mpg':
   Duration: 00:00:14.59, start: 0.195800, bitrate: 1199 kb/s
     Stream #0:0[0x1e0]: Video: mpeg1video, yuv420p(tv), 352x240 [SAR 49:33
 DAR 98:45], 1000 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 29.97 tbc
     Stream #0:1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16p, 192 kb/s
 [mpeg @ 0x7f840401b800] VBV buffer size not set, using default size of
 130KB
 If you want the mpeg file to be compliant to some specification
 Like DVD, VCD or others, make sure you set the correct buffer size
 Output #0, mpeg, to 'out.mpg':
   Metadata:
     encoder         : Lavf57.14.100
     Stream #0:0: Video: mpeg1video, yuv420p, 352x240 [SAR 49:33 DAR
 98:45], q=2-31, 200 kb/s, 29.97 fps, 90k tbn, 29.97 tbc
     Metadata:
       encoder         : Lavc57.15.100 mpeg1video
     Stream #0:1: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s
     Metadata:
       encoder         : Lavc57.15.100 mp2
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg1video (native) -> mpeg1video (native))
   Stream #0:1 -> #0:1 (mp2 (native) -> mp2 (native))
 Press [q] to stop, [?] for help
 [mp2 @ 0x7f8404008600] Header missing
 Error while decoding stream #0:1: Invalid data found when processing input
 frame=  437 fps=0.0 q=11.6 Lsize=    1134kB time=00:00:14.60 bitrate=
 636.0kbits/s
 video:440kB audio:680kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 1.326246%

 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5003#comment:3>
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