[FFmpeg-trac] #1027(avformat:new): MP3 muxer should support writing Xing header for all MP3 sample rates.
FFmpeg
trac at avcodec.org
Fri May 18 13:14:50 CEST 2012
#1027: MP3 muxer should support writing Xing header for all MP3 sample rates.
-------------------------------------+------------------------------------
Reporter: bat_guano | Owner:
Type: enhancement | Status: new
Priority: minor | Component: avformat
Version: git-master | Resolution:
Keywords: libmp3 | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by bat_guano):
Replying to [comment:4 cehoyos]:
> Is this still reproducible?
Hi
No, it's not reproducible now.
The "Unsupported sample rate" error message has gone. ;-)
Looks like it has been fixed in git.
Somewhere between
ffmpeg version N-39759-ge9dc616 built on Apr 13
and
ffmpeg version git-2012-05-16-e556121 built on May 16
@xubuntu:~/Desktop$ ffmpeg -i foo.flac -c:a libmp3lame -b:a 16k -ar 22050
-ac 1 foo.mp3
ffmpeg version git-2012-05-16-e556121 Copyright (c) 2000-2012 the FFmpeg
developers
built on May 16 2012 17:05:11 with gcc 4.6.3
configuration: --enable-gpl --enable-libfaac --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora
--enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
--enable-version3 --enable-x11grab
libavutil 51. 53.100 / 51. 53.100
libavcodec 54. 21.101 / 54. 21.101
libavformat 54. 5.100 / 54. 5.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 74.100 / 2. 74.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 11.100 / 0. 11.100
libpostproc 52. 0.100 / 52. 0.100
[flac @ 0xa81e3e0] max_analyze_duration 5000000 reached at 5015510
Input #0, flac, from 'foo.flac':
Metadata:
ENCODER : Lavf54.3.100
Duration: 00:01:58.89, bitrate: 927 kb/s
Stream #0:0: Audio: flac, 44100 Hz, stereo, s16
[libmp3lame @ 0xa859200] channel_layout not specified
Guessed Channel Layout for Output Stream #0.0 : mono
Output #0, mp3, to 'foo.mp3':
Metadata:
TSSE : Lavf54.5.100
Stream #0:0: Audio: mp3, 22050 Hz, mono, s16, 16 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (flac -> libmp3lame)
Press [q] to stop, [?] for help
size= 233kB time=00:01:58.91 bitrate= 16.0kbits/s
video:0kB audio:232kB global headers:0kB muxing overhead 0.068930%
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1027#comment:5>
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