[FFmpeg-trac] #1395(undetermined:new): mpc8 crash

[FFmpeg]

#1395: mpc8 crash
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 http://samples.mplayerhq.hu/multichannel/6_Channel_ID.flac

 {{{
 (gdb) r -acodec mpc8 -i 6_Channel_ID.flac -f null -
 Starting program: d:\mingw\msys\1.0\ffmpeg-head-ab7d6cb\ffmpeg_g.exe
 -acodec mpc
 8 -i 6_Channel_ID.flac -f null -
 [New Thread 3648.0xe48]
 ffmpeg version 0.10.2.git-ab7d6cb Copyright (c) 2000-2012 the FFmpeg
 developers
   built on May 30 2012 13:37:47 with gcc 4.6.1
   configuration: --disable-ffprobe --enable-gpl
   libavutil      51. 55.100 / 51. 55.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [mpc8 @ 03bbc7c0] Warning: not compiled with thread support, using thread
 emulat
 ion
 [mpc8 @ 03bbc7c0] channel layout does not match number of channels
 Guessed Channel Layout for  Input Stream #0.0 : 5.1
 Input #0, flac, from '6_Channel_ID.flac':
   Metadata:
     WAVEFORMATEXTENSIBLE_CHANNEL_MASK: 0x003F
   Duration: 00:00:05.83, bitrate: 269 kb/s
     Stream #0:0: Audio: musepack8, 44100 Hz, 5.1, s16
 [pcm_s16le @ 04153c80] Warning: not compiled with thread support, using
 thread e
 mulation
 [mpc8 @ 03bbc7c0] Warning: not compiled with thread support, using thread
 emulat
 ion
 [mpc8 @ 03bbc7c0] channel layout does not match number of channels
 Output #0, null, to 'pipe:':
   Metadata:
     WAVEFORMATEXTENSIBLE_CHANNEL_MASK: 0x003F
     encoder         : Lavf54.6.101
     Stream #0:0: Audio: pcm_s16le, 44100 Hz, 5.1, s16, 4233 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (mpc8 -> pcm_s16le)
 Press [q] to stop, [?] for help

 Program received signal SIGSEGV, Segmentation fault.
 0x0093341c in ff_mpadsp_apply_window_fixed (synth_buf=0x4157ad0,
     window=0x1175820, dither_state=0x22e4cc, samples=0x22ffe4, incr=6)
     at libavcodec/mpegaudiodsp_template.c:162
 162             *samples2 = round_sample(&sum);
 (gdb) bt
 #0  0x0093341c in ff_mpadsp_apply_window_fixed (synth_buf=0x4157ad0,
     window=0x1175820, dither_state=0x22e4cc, samples=0x22ffe4, incr=6)
     at libavcodec/mpegaudiodsp_template.c:162
 #1  0x00933598 in ff_mpa_synth_filter_fixed (s=0x4154cec,
     synth_buf_ptr=0x41579d0, synth_buf_offset=0x41599d0, window=0x1175820,
     dither_state=0x22e4cc, samples=0x22ffcc, incr=6, sb_samples=0x415a8e0)
     at libavcodec/mpegaudiodsp_template.c:189
 #2  0x00a0c28d in mpc_synth (c=<optimized out>, out=0x22d2cc, channels=6)
     at libavcodec/mpc.c:55
 #3  0x03bbc7c0 in ?? ()
 Backtrace stopped: previous frame inner to this frame (corrupt stack?)
 (gdb)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1395>
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