[FFmpeg-trac] #268(undetermined:new): mp3: audible glitches with integer decoder

FFmpeg trac at avcodec.org
Sat Jun 4 15:32:59 CEST 2011


#268: mp3: audible glitches with integer decoder
--------------------------+--------------------------
 Reporter:  ami_stuff     |        Type:  defect
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:                |  Blocked By:
 Blocking:                |  Reproduced:  0
 Analyzed:  0             |
--------------------------+--------------------------
 mp3float decoder seems to not be affected by this problem

 http://www.skenney.com/files/carbass.mp3

 {{{
 C:\>ffmpeg -i carbass.mp3 out.wav
 ffmpeg version git-N-30344-g5501afa, Copyright (c) 2000-2011 the FFmpeg
 develope
 rs
   built on May 27 2011 22:37:57 with gcc 4.5.3
   configuration: --enable-gpl --enable-version3 --enable-memalign-hack
 --enable-
 runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r
 --enable-libo
 pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --
 enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger
  --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx
 --enabl
 e-libx264 --enable-libxavs --enable-libxvid --enable-zlib --pkg-config
 =pkg-confi
 g
   libavutil    51.  2. 2 / 51.  2. 2
   libavcodec   53.  6. 0 / 53.  6. 0
   libavformat  53.  2. 0 / 53.  2. 0
   libavdevice  53.  0. 0 / 53.  0. 0
   libavfilter   2. 11. 0 /  2. 11. 0
   libswscale    0. 14. 0 /  0. 14. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [mp3 @ 023502A0] max_analyze_duration 5000000 reached at 5015510
 [mp3 @ 023502A0] Estimating duration from bitrate, this may be inaccurate
 Input #0, mp3, from 'carbass.mp3':
   Metadata:
     disc            : 1
   Duration: 00:01:14.88, start: 0.000000, bitrate: 128 kb/s
     Stream #0.0: Audio: mp3, 44100 Hz, stereo, s16, 128 kb/s
 Output #0, wav, to 'out.wav':
   Metadata:
     disc            : 1
     encoder         : Lavf53.2.0
     Stream #0.0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop, [?] for help
 [mp3 @ 023507A0] incomplete framee=1406.5kbits/s
 Error while decoding stream #0.0
 size=   12177kB time=70.69 bitrate=1411.2kbits/s
 video:0kB audio:12177kB global headers:0kB muxing overhead 0.000353%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/268>
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