[FFmpeg-trac] #1255(undetermined:new): mp3: regression with duration

[FFmpeg]

#1255: mp3: regression with duration
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 http://www.datafilehost.com/download-b6aefedc.html

 git-g6bfb304 (09 Apr 2012) - ok

 git-g4fa706a (16 Apr 2012) - bad

 {{{
 C:\>ffmpeg -i y.mp3
 ffmpeg version N-40106-g8f89954 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Apr 25 2012 02:21:52 with gcc 4.5.0 20100414 (Fedora MinGW
 4.5.0-1.fc
 14)
   configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
 --arch=
 x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
 -pc-min
 gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-
 cpudetect
 --enable-cross-compile --enable-static --disable-shared --extra-
 libs='-lws2_32 -
 lwinmm' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snapshots/buil
 d/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/snapshots/b
 uild/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3
 --enable-n
 onfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-
 libvorbis
 --enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-
 libopencor
 e-amrwb --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx
   libavutil      51. 47.100 / 51. 47.100
   libavcodec     54. 15.100 / 54. 15.100
   libavformat    54.  3.100 / 54.  3.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 72.100 /  2. 72.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 11.100 /  0. 11.100
   libpostproc    52.  0.100 / 52.  0.100
 [mp3 @ 0x1dbc540] max_analyze_duration 5000000 reached at 5015510
 Input #0, mp3, from 'y.mp3':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16, 320 kb/s
 At least one output file must be specified
 }}}





 {{{
 C:\>ffmpeg -i y.mp3
 ffmpeg version N-39664-g6bfb304 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Apr  9 2012 20:29:24 with gcc 4.6.3
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-ru
 ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
 libass
  --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable
 -libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-
 libope
 njpeg --enable-librtmp --enable-libschroedinger --enable-libspeex
 --enable-libth
 eora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc
 --enable-
 libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
 libxvid --e
 nable-zlib
   libavutil      51. 46.100 / 51. 46.100
   libavcodec     54. 14.101 / 54. 14.101
   libavformat    54.  3.100 / 54.  3.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 67.101 /  2. 67.101
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 10.100 /  0. 10.100
   libpostproc    52.  0.100 / 52.  0.100
 [mp3 @ 02239c80] max_analyze_duration 5000000 reached at 5015510
 [mp3 @ 02239c80] Estimating duration from bitrate, this may be inaccurate
 Input #0, mp3, from 'y.mp3':
   Duration: 00:05:47.26, start: 0.000000, bitrate: 320 kb/s
     Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16, 320 kb/s
 At least one output file must be specified
 }}}

 {{{
 C:\ffmpeg -i y.mp3
 ffmpeg version N-39877-g4fa706a Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Apr 16 2012 14:53:47 with gcc 4.6.3
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-ru
 ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
 libass
  --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable
 -libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-
 libope
 njpeg --enable-librtmp --enable-libschroedinger --enable-libspeex
 --enable-libth
 eora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc
 --enable-
 libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
 libxvid --e
 nable-zlib
   libavutil      51. 46.100 / 51. 46.100
   libavcodec     54. 14.101 / 54. 14.101
   libavformat    54.  3.100 / 54.  3.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 70.100 /  2. 70.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 11.100 /  0. 11.100
   libpostproc    52.  0.100 / 52.  0.100
 [mp3 @ 0224c540] max_analyze_duration 5000000 reached at 5015510
 Input #0, mp3, from 'y.mp3':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16, 320 kb/s
 At least one output file must be specified
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1255>
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