[FFmpeg-trac] #6046(undetermined:open): mpc8: "maxband 19 too large" / "overread 8"

FFmpeg trac at avcodec.org
Mon Jan 23 12:13:57 EET 2017


#6046: mpc8: "maxband 19 too large" / "overread 8"
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  mpc          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------

Comment (by ami_stuff):

 In the past error message was a bit different:

 {{{
 C:\>ffmpeg -i q1.mpc -f null -
 ffmpeg version N-78758-g5156578 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.0 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-av
 isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enab
 le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-
 libcaca --
 enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-l
 ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
 --enab
 le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
 librtmp --en
 able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
 --ena
 ble-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-
 libvorbis --
 enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
 --enable-lib
 x265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma
 --enable-d
 ecklink --enable-zlib
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 27.100 / 57. 27.100
   libavformat    57. 26.100 / 57. 26.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 37.100 /  6. 37.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, mpc8, from 'q1.mpc':
   Duration: 00:00:58.51, start: 0.000000, bitrate: 17 kb/s
     Stream #0:0: Audio: musepack8, 44100 Hz, mono, s16p
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf57.26.100
     Stream #0:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s
     Metadata:
       encoder         : Lavc57.27.100 pcm_s16le
 Stream mapping:
   Stream #0:0 -> #0:0 (musepack8 (mpc8) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 Multiple frames in a packet from stream 0
 [mpc8 @ 038e6840] maxband 31 too large
 Error while decoding stream #0:0: Invalid data found when processing input
 [mpc8 @ 038e6840] maxband 31 too large
 Error while decoding stream #0:0: Invalid data found when processing input
 [mpc8 @ 038e6840] maxband 32 too large
 Error while decoding stream #0:0: Invalid data found when processing input
 q1.mpc: I/O error
 size=N/A time=00:01:00.02 bitrate=N/A speed= 960x
 video:0kB audio:4594kB subtitle:0kB other streams:0kB global headers:0kB
 muxing
 overhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6046#comment:2>
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