[FFmpeg-trac] #1366(undetermined:new): aac enc crash

FFmpeg trac at avcodec.org
Tue May 29 15:12:51 CEST 2012


#1366: aac enc 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/V-codecs/PIM1/PIM1.avi

 {{{
 (gdb) r -acodec ac3 -i PIM1.avi -vn -acodec aac -strict -2 -f null -
 Starting program: d:\mingw\msys\1.0\ffmpeg-head-ab7d6cb\ffmpeg_g.exe
 -acodec ac3
  -i PIM1.avi -vn -acodec aac -strict -2 -f null -
 [New Thread 3568.0xdf4]
 ffmpeg version 0.10.2.git-ab7d6cb Copyright (c) 2000-2012 the FFmpeg
 developers
   built on May 27 2012 11:57:57 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
 [avi @ 03bc2340] non-interleaved AVI
 Input #0, avi, from 'PIM1.avi':
   Duration: 00:04:11.23, start: 0.000000, bitrate: 66 kb/s
     Stream #0:0: Video: mpeg1video (PIM1 / 0x314D4950), yuv420p, 352x288
 [SAR 49
 :33 DAR 49:27], 4783 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc
     Stream #0:1: Audio: ac3 ([1][0][0][0] / 0x0001), 48000 Hz, stereo,
 s16, 80 k
 b/s (karaoke)
 [aformat @ 03bd3cc0] auto-inserting filter 'auto-inserted resampler 0'
 between t
 he filter 'src' and the filter 'aformat'
 [aresample @ 03bd3f60] chl:stereo fmt:s16 r:48000Hz -> chl:stereo fmt:flt
 r:4800
 0Hz
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf54.6.101
     Stream #0:0: Audio: aac, 48000 Hz, stereo, flt, 128 kb/s (karaoke)
 Stream mapping:
   Stream #0:1 -> #0:0 (ac3 -> aac)
 Press [q] to stop, [?] for help
 [ac3 @ 04136900] frame sync error
 Error while decoding stream #0:1
 [ac3 @ 04136900] frame CRC mismatch
 DTS 18479, next:831773 st:1 invalid dropping
 PTS 18479, next:831773 invalid dropping st:1
 [ac3 @ 04136900] frame sync error
 Error while decoding stream #0:1
 [ac3 @ 04136900] frame CRC mismatch
 Input stream #0:1 frame changed from rate:48000 fmt:s16 ch:2 chl:stereo to
 rate:
 24000 fmt:s16 ch:2 chl:stereo
 [aformat @ 03bd5a20] auto-inserting filter 'auto-inserted resampler 0'
 between t
 he filter 'src' and the filter 'aformat'
 [aresample @ 03bd67c0] chl:stereo fmt:s16 r:24000Hz -> chl:stereo fmt:flt
 r:4800
 0Hz

 Program received signal SIGSEGV, Segmentation fault.
 0x00a07a40 in quantize_and_encode_band_cost_template (BT_ESC=0, BT_PAIR=1,
     BT_UNSIGNED=1, BT_ZERO=0, bits=0x0, uplim=inf, lambda=0, cb=7,
     scale_idx=68, size=4, scaled=<optimized out>, in=0x4168820, pb=0x0,
     s=0x4218020) at libavcodec/aaccoder.c:153
 153             curbits =  ff_aac_spectral_bits[cb-1][curidx];
 (gdb) bt
 #0  0x00a07a40 in quantize_and_encode_band_cost_template (BT_ESC=0,
     BT_PAIR=1, BT_UNSIGNED=1, BT_ZERO=0, bits=0x0, uplim=inf, lambda=0,
 cb=7,
     scale_idx=68, size=4, scaled=<optimized out>, in=0x4168820, pb=0x0,
     s=0x4218020) at libavcodec/aaccoder.c:153
 #1  quantize_and_encode_band_cost_UPAIR (s=0x4218020, pb=0x0,
 in=0x4168820,
     scaled=0x42193e0, size=4, scale_idx=68, cb=7, lambda=0, uplim=inf,
     bits=0x0) at libavcodec/aaccoder.c:227
 #2  0x00a05897 in quantize_band_cost (bits=0x0, uplim=inf, lambda=0, cb=7,
     scale_idx=<optimized out>, size=4, scaled=0x42193e0, in=0x4168820,
     s=0x4218020) at libavcodec/aaccoder.c:262
 #3  codebook_trellis_rate (s=0x4218020, sce=0x4166d60, win=1, group_len=3,
     lambda=1706.66663) at libavcodec/aaccoder.c:473
 #4  0x0088922a in encode_band_info (sce=<optimized out>, s=<optimized
 out>)
     at libavcodec/aacenc.c:367
 #5  encode_individual_channel (common_window=<optimized out>,
 sce=0x4166d60,
     s=0x4218020, avctx=0x3bcfb60) at libavcodec/aacenc.c:446
 #6  aac_encode_frame (avctx=0x3bcfb60, avpkt=0x22e6b0, frame=0x3bd5120,
     got_packet_ptr=0x22e8bc) at libavcodec/aacenc.c:636
 #7  0x00541533 in avcodec_encode_audio2 (avctx=0x3bcfb60, avpkt=0x22e6b0,
     frame=<optimized out>, got_packet_ptr=0x22e8bc) at
 libavcodec/utils.c:1106
 #8  0x00407224 in do_audio_out (frame=<optimized out>, ost=<optimized
 out>,
     s=<optimized out>) at ffmpeg.c:1765
 #9  poll_filters () at ffmpeg.c:2175
 #10 0x0040e730 in transcode () at ffmpeg.c:3662
 #11 0x00b14ee2 in main (argc=13, argv=0x3bd0e50) at ffmpeg.c:5926
 (gdb)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1366>
FFmpeg <http://ffmpeg.org>
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