[FFmpeg-trac] #2931(avformat:open): mp3: wrong duration
FFmpeg
trac at avcodec.org
Fri May 9 17:07:20 CEST 2014
#2931: mp3: wrong duration
--------------------------------------+------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: open
Priority: normal | Component: avformat
Version: git-master | Resolution:
Keywords: mp3 duration | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
--------------------------------------+------------------------------------
Changes (by Underground78):
* cc: underground78@… (added)
Comment:
I think [http://www.datafilehost.com/d/22536911 this sample] exhibits the
same issue.
The real duration is 1:20 but the embedded cover art seems to confuse
avformat.
{{{
> ffmpeg.exe -i Purity.mp3
ffmpeg version N-63013-g4cdea92 Copyright (c) 2000-2014 the FFmpeg
developers
built on May 6 2014 22:02:02 with gcc 4.8.2 (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-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
--enable-libmodplug --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-libx264 --enable-libx265 --enable-libxavs
--enable-libxvid --enable-decklink --enable-zlib
libavutil 52. 81.100 / 52. 81.100
libavcodec 55. 60.103 / 55. 60.103
libavformat 55. 37.102 / 55. 37.102
libavdevice 55. 13.101 / 55. 13.101
libavfilter 4. 5.100 / 4. 5.100
libswscale 2. 6.100 / 2. 6.100
libswresample 0. 18.100 / 0. 18.100
libpostproc 52. 3.100 / 52. 3.100
[mp3 @ 028f9600] Format mp3 detected only with low score of 24,
misdetection possible!
[mp3 @ 028f9600] Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from 'Purity.mp3':
Metadata:
title : Purity
artist : Halcyonic Falcon X
genre : Video Game
encoded_by : LAME in FL Studio 9
TBPM : 120
album : Epic Battle Fantasy 3: Adventure Story
date : 2011
Duration: 00:01:55.52, start: 0.000000, bitrate: 319 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 320 kb/s
Stream #0:1: Video: mjpeg, yuvj444p(pc), 1800x1800, 90k tbr, 90k tbn,
90k tbc
Metadata:
title :
comment : Other
}}}
Ref: [https://trac.mpc-hc.org/ticket/4322 MPC-HC Ticket #4322].
--
Ticket URL: <https://trac.ffmpeg.org/ticket/2931#comment:2>
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