[FFmpeg-trac] #1458(undetermined:new): FFMPEG Crashing on converting AC3 to AAC

[FFmpeg]

#1458: FFMPEG Crashing on converting AC3 to AAC
-------------------------------------+-------------------------------------
             Reporter:  ramitbhalla  |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by ami_stuff):

 * cc: ami_stuff@… (added)


Comment:

 I have no libvo_aacenc build to test, but crashes (same effect with git-
 a5c1a0c 13-Jun-2012) here with:

 {{{
 (gdb) r -async 1 -i "RemuxSup Fail H264.ts" -vn out.wav
 Starting program: d:\mingw\msys\1.0\ffmpeg-head-ab7d6cb\ffmpeg_g.exe
 -async 1 -i
  "RemuxSup Fail H264.ts" -vn out.wav
 [New Thread 3120.0xca4]
 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
 [mpeg2video @ 041180e0] Warning: not compiled with thread support, using
 thread
 emulation
 [ac3 @ 041184c0] Warning: not compiled with thread support, using thread
 emulati
 on
 Input #0, mpegts, from 'RemuxSup Fail H264.ts':
   Duration: 00:01:00.76, start: 1.400000, bitrate: 13806 kb/s
   Program 1
     Metadata:
       service_name    : Canal+ Comedia HD
       service_provider: Canal+ Comedia HD
     Stream #0:0[0x100]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420
 p, 1920x1080 [SAR 1:1 DAR 16:9], 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 50
 tbc
     Stream #0:1[0x101](dos): Audio: ac3 ([129][0][0][0] / 0x0081), 48000
 Hz, ste
 reo, s16, 192 kb/s
 -async is forwarded to lavfi similarly to -af
 aresample=min_comp=0.001:min_hard_
 comp=0.100000.
 [aresample @ 03bcbf40] chl:stereo fmt:s16 r:48000Hz -> chl:stereo fmt:s16
 r:4800
 0Hz
 [pcm_s16le @ 03bbc7c0] Warning: not compiled with thread support, using
 thread e
 mulation
 [ac3 @ 041184c0] Warning: not compiled with thread support, using thread
 emulati
 on
 Output #0, wav, to 'out.wav':
   Metadata:
     encoder         : Lavf54.6.101
     Stream #0:0(dos): Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
 stereo
 , s16, 1536 kb/s
 Stream mapping:
   Stream #0:1 -> #0:0 (ac3 -> pcm_s16le)
 Press [q] to stop, [?] for help
 Input stream #0:1 frame changed from rate:48000 fmt:s16 ch:2 chl:stereo to
 rate:
 48000 fmt:s16 ch:6 chl:5.1(side)
 -async is forwarded to lavfi similarly to -af
 aresample=min_comp=0.001:min_hard_
 comp=0.100000.
 [aresample @ 03bcd620] chl:5.1(side) fmt:s16 r:48000Hz -> chl:stereo
 fmt:s16 r:4
 8000Hz

 Program received signal SIGSEGV, Segmentation fault.
 0x00aa35f8 in copy (out=0x22de88, in=0x413890c, count=2312856)
     at libswresample/swresample.c:385
 385             memcpy(out->ch[0], in->ch[0],
 count*out->ch_count*out->bps);
 (gdb) bt
 #0  0x00aa35f8 in copy (out=0x22de88, in=0x413890c, count=2312856)
     at libswresample/swresample.c:385
 #1  0x00aa56ed in swr_convert (s=0x4138880, out_arg=0x0, out_count=0,
     in_arg=0x22e090, in_count=2312856) at libswresample/swresample.c:710
 #2  0x00aa5c91 in swr_inject_silence (s=0x4138880, count=2312856)
     at libswresample/swresample.c:750
 #3  0x00aa5e59 in swr_next_pts (s=0x4138880, pts=111017113600)
     at libswresample/swresample.c:767
 #4  0x00422a4c in filter_samples (inlink=0x3bce4a0,
 insamplesref=0x3bced20)
     at libavfilter/af_aresample.c:182
 #5  0x0042089c in ff_filter_samples (link=0x3bce4a0, samplesref=0x3bced20)
     at libavfilter/audio.c:217
 #6  0x0041cad0 in request_frame (link=0x3bce4a0)
     at libavfilter/buffersrc.c:392
 #7  0x00419d93 in avfilter_request_frame (link=0x3bce4a0)
     at libavfilter/avfilter.c:275
 #8  0x00422811 in request_frame (outlink=0x3bce540)
     at libavfilter/af_aresample.c:214
 #9  0x00419d93 in avfilter_request_frame (link=0x3bcd560)
     at libavfilter/avfilter.c:275
 #10 0x0041be80 in av_buffersink_read (ctx=0x3bcd900, buf=0x22e8b4)
     at libavfilter/buffersink.c:108
 #11 0x00406e83 in poll_filters () at ffmpeg.c:2129
 #12 0x0040e730 in transcode () at ffmpeg.c:3662
 #13 0x00b12f42 in main (argc=7, argv=0x3bc0dc0) at ffmpeg.c:5926
 (gdb)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1458#comment:2>
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