[FFmpeg-trac] #1027(undetermined:new): When encoding to mp3 MPEG-2 layer III and MPEG-2.5 layer III FFmpeg gives error report.

[FFmpeg]

#1027: When encoding to mp3 MPEG-2 layer III and MPEG-2.5 layer III FFmpeg gives
error report.
-------------------------------------+-------------------------------------
             Reporter:  bat_guano    |                     Type:  defect
               Status:  new          |                 Priority:  minor
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:  Unsupported  |               Blocked By:
  sample rate mp3                    |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 When converting to MPEG-2 layer III and MPEG-2.5 layer III FFmpeg gives
 error report "Unsupported sample rate".
 FFmpeg does the conversion OK but it reports "Unsupported sample rate".
 I've discussed this on the FFmpeg-users mailing list.
 Here:- http://ffmpeg-users.933282.n4.nabble.com/When-encoding-mp3-at-low-
 bitrate-FFmpeg-gives-error-report-td4410167.html

 ****************************
 ffmpeg -i foo.flac -c:a libmp3lame -b:a 16k -ar 22050 -ac 1 foo.mp3
 ffmpeg version N-37961-gf649247 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Feb 18 2012 00:14:51 with gcc 4.5.2
   configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-
 postproc --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb
 --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-
 libvpx --enable-libx264 --enable-libxvid --enable-x11grab --disable-
 encoder=vorbis --enable-libvo-amrwbenc --enable-libvo-aacenc --enable-
 libspeex
   libavutil      51. 39.100 / 51. 39.100
   libavcodec     54.  3.100 / 54.  3.100
   libavformat    54.  1.100 / 54.  1.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 62.101 /  2. 62.101
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  6.100 /  0.  6.100
   libpostproc    52.  0.100 / 52.  0.100
 [flac @ 0x9723ac0] max_analyze_duration 5000000 reached at 5015510
 [flac @ 0x9723ac0] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, flac, from 'foo.flac':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Audio: flac, 44100 Hz, stereo, s16
 [mp3 @ 0x9777d40] Unsupported sample rate.
 Output #0, mp3, to 'foo.mp3':
   Metadata:
     TSSE            : Lavf54.1.100
     Stream #0:0: Audio: mp3, 22050 Hz, 1 channels, s16, 16 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (flac -> libmp3lame)
 Press [q] to stop, [?] for help
 size=     201kB time=00:01:42.81 bitrate=  16.0kbits/s
 video:0kB audio:201kB global headers:0kB muxing overhead 0.016534%

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1027>
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