[FFmpeg-trac] #1121(undetermined:new): ffmpeg internal flac codec hangs on corrupted file

[FFmpeg]

#1121: ffmpeg internal flac codec hangs on corrupted file
-------------------------------------+-------------------------------------
             Reporter:  nzqr         |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  flac         |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by nzqr):

 >How long did you wait?
 Ha. It collects oneself (sorry for misinformation) in more than minute (on
 phenom ii 3.2Ghz that long is pretty strange).
 {{{
 $ time ffmpeg -loglevel 99 -i ffmpegs_flac_hangs_on_this.flac
 ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developers
   built on Mar 24 2012 15:48:00 with gcc 4.6.2
   configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64
 --mandir=/usr/share/man --enable-shared --cc=x86_64-pc-linux-gnu-gcc
 --cxx=x86_64-pc-linux-gnu-g++ --ar=x86_64-pc-linux-gnu-ar
 --optflags='-pipe -march=amdfam10 -O2 -g0' --extra-cflags='-pipe
 -march=amdfam10 -O2 -g0' --extra-cxxflags='-pipe -march=amdfam10 -O2 -g0'
 --disable-static --enable-gpl --enable-postproc --enable-avfilter
 --disable-stripping --disable-debug --disable-doc --disable-vaapi
 --disable-bzlib --disable-indev=v4l --disable-indev=v4l2 --disable-
 indev=alsa --disable-indev=oss --disable-indev=jack --disable-outdev=alsa
 --disable-outdev=oss --enable-pthreads --disable-altivec --disable-avx
 --disable-ssse3 --disable-vis --disable-neon --cpu=amdfam10 --enable-
 hardcoded-tables
   libavutil      51. 35.100 / 51. 35.100
   libavcodec     53. 61.100 / 53. 61.100
   libavformat    53. 32.100 / 53. 32.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 61.100 /  2. 61.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  6.100 /  0.  6.100
   libpostproc    52.  0.100 / 52.  0.100
 [flac @ 0x162f320] Format flac detected only with low score of 1,
 misdetection possible!
 [flac @ 0x16355f0] err{or,}_recognition separate: 1; 1
 [flac @ 0x16355f0] err{or,}_recognition combined: 1; 10001
 [flac @ 0x162f320] decoding for stream 0 failed
 [flac @ 0x162f320] Could not find codec parameters (Audio: flac, 0
 channels, s16)
 [flac @ 0x162f320] Estimating duration from bitrate, this may be
 inaccurate
 ffmpegs_flac_hangs_on_this.flac: could not find codec parameters

 real    0m48.604s
 user    0m32.160s
 sys     0m16.340s
 }}}
 BUT mpd does not! And on it's bugzilla they said to me «it turns out to be
 a libav/ffmpeg bug. Please report to libav/ffmpeg».

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1121#comment:7>
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