[FFmpeg-trac] #3599(avformat:new): mp3 encoder set wrong bitrate or version flag
FFmpeg
trac at avcodec.org
Sun May 4 09:12:54 CEST 2014
#3599: mp3 encoder set wrong bitrate or version flag
------------------------------------+------------------------------------
Reporter: ltzliwe | Owner:
Type: defect | Status: new
Priority: normal | Component: avformat
Version: git-master | Resolution:
Keywords: mp3 | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
------------------------------------+------------------------------------
Comment (by cehoyos):
Replying to [comment:5 ltzliwe]:
> Replying to [comment:4 cehoyos]:
> > I suspect ''file'' does not support xing headers, use {{{-write_xing
0}}} as a workaround.
>
> I found the bug was fixed, tks :)
>
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=617a1a98a6be3e59db6fbfc21afab2fb9a049c03;hp=254c95cdd1b669a722204a4a65974fc2523c8f83
This commit was already part of 2.1.3 so I don't think it could have fixed
your issue.
Additionally, I can also reproduce it here with (current FFmpeg git head
and) file-5.11.
{{{
$ffmpeg -i fate-suite/svq3/Vertical400kbit.sorenson3.mov -vn -ab 32k
-map_metadata -1 out.mp3
ffmpeg version N-62951-g3316556 Copyright (c) 2000-2014 the FFmpeg
developers
built on May 4 2014 09:03:53 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --enable-libvorbis --enable-libvpx --enable-
libmp3lame
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
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'fate-
suite/svq3/Vertical400kbit.sorenson3.mov':
Metadata:
creation_time : 2001-03-20 16:17:18
title : Vertical Online SV3 Demo
title-eng : Vertical Online SV3 Demo
artist : Logan Kelsey
artist-eng : Logan Kelsey
copyright : © Vertical Online 2001
copyright-eng : © Vertical Online 2001
encoder : Sorenson Video 3
encoder-eng : Sorenson Video 3
Duration: 00:00:43.58, start: 0.000000, bitrate: 580 kb/s
Stream #0:0(eng): Video: svq3 (SVQ3 / 0x33515653), yuvj420p(pc),
320x240, 391 kb/s, 30.02 fps, 30 tbr, 600 tbn, 600 tbc (default)
Metadata:
creation_time : 2001-03-20 16:17:18
handler_name : Apple Alias Data Handler
encoder : Sorenson Video 3
Stream #0:1(eng): Audio: adpcm_ima_qt (ima4 / 0x34616D69), 44100 Hz,
mono, s16p, 176 kb/s (default)
Metadata:
creation_time : 2001-03-20 16:17:18
handler_name : Apple Alias Data Handler
Output #0, mp3, to 'out.mp3':
Metadata:
TSSE : Lavf55.37.102
Stream #0:0: Audio: mp3 (libmp3lame), 44100 Hz, mono, s16p, 32 kb/s
(default)
Stream mapping:
Stream #0:1 -> #0:0 (adpcm_ima_qt -> libmp3lame)
Press [q] to stop, [?] for help
Multiple frames in a packet from stream 1
size= 171kB time=00:00:43.59 bitrate= 32.1kbits/s
video:0kB audio:170kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.130087%
}}}
{{{
$ file out.mp3
out.mp3: Audio file with ID3 version 2.4.0, contains: MPEG ADTS, layer
III, v1, 56 kbps, 44.1 kHz, Monaural
}}}
{{{
$ ffmpeg -i out.mp3
ffmpeg version N-62951-g3316556 Copyright (c) 2000-2014 the FFmpeg
developers
built on May 4 2014 09:03:53 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --enable-libvorbis --enable-libvpx --enable-
libmp3lame
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
Input #0, mp3, from 'out.mp3':
Metadata:
encoder : Lavf55.37.102
Duration: 00:00:43.62, start: 0.025057, bitrate: 32 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, mono, s16p, 32 kb/s
At least one output file must be specified
}}}
Works fine if no XING header is written:
{{{
$ ffmpeg -i fate-suite/svq3/Vertical400kbit.sorenson3.mov -write_xing 0
-ab 32k outnoxing.mp3
ffmpeg version N-62951-g3316556 Copyright (c) 2000-2014 the FFmpeg
developers
built on May 4 2014 09:03:53 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --enable-libvorbis --enable-libvpx --enable-
libmp3lame
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
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'fate-
suite/svq3/Vertical400kbit.sorenson3.mov':
Metadata:
creation_time : 2001-03-20 16:17:18
title : Vertical Online SV3 Demo
title-eng : Vertical Online SV3 Demo
artist : Logan Kelsey
artist-eng : Logan Kelsey
copyright : © Vertical Online 2001
copyright-eng : © Vertical Online 2001
encoder : Sorenson Video 3
encoder-eng : Sorenson Video 3
Duration: 00:00:43.58, start: 0.000000, bitrate: 580 kb/s
Stream #0:0(eng): Video: svq3 (SVQ3 / 0x33515653), yuvj420p(pc),
320x240, 391 kb/s, 30.02 fps, 30 tbr, 600 tbn, 600 tbc (default)
Metadata:
creation_time : 2001-03-20 16:17:18
handler_name : Apple Alias Data Handler
encoder : Sorenson Video 3
Stream #0:1(eng): Audio: adpcm_ima_qt (ima4 / 0x34616D69), 44100 Hz,
mono, s16p, 176 kb/s (default)
Metadata:
creation_time : 2001-03-20 16:17:18
handler_name : Apple Alias Data Handler
Output #0, mp3, to 'outnoxing.mp3':
Metadata:
encoder-eng : Sorenson Video 3
TIT2 : Vertical Online SV3 Demo
title-eng : Vertical Online SV3 Demo
TPE1 : Logan Kelsey
artist-eng : Logan Kelsey
TCOP : © Vertical Online 2001
copyright-eng : © Vertical Online 2001
TSSE : Lavf55.37.102
Stream #0:0(eng): Audio: mp3 (libmp3lame), 44100 Hz, mono, s16p, 32
kb/s (default)
Metadata:
creation_time : 2001-03-20 16:17:18
handler_name : Apple Alias Data Handler
Stream mapping:
Stream #0:1 -> #0:0 (adpcm_ima_qt -> libmp3lame)
Press [q] to stop, [?] for help
Multiple frames in a packet from stream 1
size= 171kB time=00:00:43.59 bitrate= 32.1kbits/s
video:0kB audio:170kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.177652%
}}}
{{{
$ file outnoxing.mp3
outnoxing.mp3: Audio file with ID3 version 2.4.0, contains: MPEG ADTS,
layer III, v1, 32 kbps, 44.1 kHz, Monaural
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3599#comment:6>
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