[FFmpeg-trac] #3777(avformat:new): Wrong duration for mp3 file
FFmpeg
trac at avcodec.org
Thu Jul 17 15:05:09 CEST 2014
#3777: Wrong duration for mp3 file
-------------------------------------+-------------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: normal | Component: avformat
Version: git- | Keywords: mp3
master | duration
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
http://thread.gmane.org/gmane.comp.video.ffmpeg.user/52966
A user provided a mp3 sample that shows an incorrect too short duration
(while the sample in ticket #2931 shows a too long duration). MPlayer and
vlc show the correct duration if libavformat is not used.
{{{
$ ffmpeg -i 114.mp3 -f null -
ffmpeg version N-64722-ge5cb779 Copyright (c) 2000-2014 the FFmpeg
developers
built on Jul 17 2014 15:02:55 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 52. 92.101 / 52. 92.101
libavcodec 55. 69.100 / 55. 69.100
libavformat 55. 48.101 / 55. 48.101
libavdevice 55. 13.102 / 55. 13.102
libavfilter 4. 11.102 / 4. 11.102
libswscale 2. 6.100 / 2. 6.100
libswresample 0. 19.100 / 0. 19.100
libpostproc 52. 3.100 / 52. 3.100
Input #0, mp3, from '114.mp3':
Duration: 00:00:06.79, start: 0.025057, bitrate: 1017 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s
Metadata:
encoder : LAME3.96r
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf55.48.101
Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
Metadata:
encoder : Lavc55.69.100 pcm_s16le
Stream mapping:
Stream #0:0 -> #0:0 (mp3 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
size=N/A time=00:00:53.94 bitrate=N/A
video:0kB audio:9293kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3777>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list