Opened 4 years ago

Closed 4 years ago

#1366 closed defect (fixed)

aac enc crash

Reported by: ami_stuff Owned by:
Priority: normal Component: avcodec
Version: unspecified Keywords: aac
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

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)

Change History (4)

comment:1 Changed 4 years ago by cehoyos

  • Component changed from undetermined to avcodec
  • Keywords aac added

Can you reproduce with current git head?
I see no issue with valgrind here.

comment:2 Changed 4 years ago by ami_stuff

yes, but does not crash with "--disable-asm"

comment:3 Changed 4 years ago by cehoyos

Which CPU are you using? Is this with a 32-bit executable?

comment:4 Changed 4 years ago by ami_stuff

  • Resolution set to fixed
  • Status changed from new to closed

doesn't crash anymore

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