[FFmpeg-trac] #1441(undetermined:new): Segfault using v4l2 and alsa
FFmpeg
trac at avcodec.org
Mon Jun 11 20:22:54 CEST 2012
#1441: Segfault using v4l2 and alsa
-------------------------------------+-------------------------------------
Reporter: burek | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug: When using the following line, ffmpeg crashes after
4-5 seconds.
How to reproduce:
{{{
% ffmpeg -f v4l2 -s cif -r 30 -i /dev/video0 -f alsa -ar 44100 -ac 2 -i
hw:0 -vcodec libx264 -acodec libaacplus -ab 32k -absf aac_adtstoasc -f
mpegts udp://192.168.2.2:10001
ffmpeg version git-2012-06-07-6668ef7 Copyright (c) 2000-2012 the FFmpeg
developers
built on debian/testing
}}}
gdb:
{{{
# gdb ffmpeg_g
GNU gdb (GDB) 7.4.1-debian
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /root/tmp/ffmpeg/ffmpeg_g...done.
(gdb) r -f v4l2 -s cif -r 30 -i /dev/video0 -f alsa -ar 44100 -ac 2 -i
hw:0 -vcodec libx264 -acodec libaacplus -ab 32k -absf aac_adtstoasc -f
mpegts udp://192.168.2.2:10001
Starting program: /root/tmp/ffmpeg/ffmpeg_g -f v4l2 -s cif -r 30 -i
/dev/video0 -f alsa -ar 44100 -ac 2 -i hw:0 -vcodec libx264 -acodec
libaacplus -ab 32k -absf aac_adtstoasc -f mpegts udp://192.168.2.2:10001
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
ffmpeg version git-2012-06-07-6668ef7 Copyright (c) 2000-2012 the FFmpeg
developers
built on Jun 8 2012 00:47:25 with gcc 4.6.2
configuration: --enable-static --enable-shared --enable-gpl --enable-
nonfree --enable-postproc --enable-libx264 --enable-libaacplus --enable-
libmp3lame --enable-libv4l2
libavutil 51. 56.100 / 51. 56.100
libavcodec 54. 25.100 / 54. 25.100
libavformat 54. 6.101 / 54. 6.101
libavdevice 54. 0.100 / 54. 0.100
libavfilter 2. 78.101 / 2. 78.101
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
[video4linux2,v4l2 @ 0x62c320] Estimating duration from bitrate, this may
be inaccurate
Input #0, video4linux2,v4l2, from '/dev/video0':
Duration: N/A, start: 33314.526290, bitrate: 36495 kb/s
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288,
36495 kb/s, 30 tbr, 1000k tbn, 30 tbc
[alsa @ 0x639f80] Estimating duration from bitrate, this may be inaccurate
Guessed Channel Layout for Input Stream #1.0 : stereo
Input #1, alsa, from 'hw:0':
Duration: N/A, start: 1339438588.185004, bitrate: 1411 kb/s
Stream #1:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
[buffer @ 0x63f420] w:352 h:288 pixfmt:yuv420p tb:1/30 sar:0/1
sws_param:flags=2
[ffmpeg_buffersink @ 0x6409a0] No opaque field provided
[buffer @ 0x63f420] TB:0.033333
[libx264 @ 0x63c120] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
[New Thread 0x7fffd30a5700 (LWP 12843)]
[New Thread 0x7fffd28a4700 (LWP 12844)]
[New Thread 0x7fffd20a3700 (LWP 12845)]
[New Thread 0x7fffd12e1700 (LWP 12846)]
[libx264 @ 0x63c120] profile High, level 1.3
[mpegts @ 0x63bc00] muxrate VBR, pcr every 3 pkts, sdt every 200, pat/pmt
every 40 pkts
Output #0, mpegts, to 'udp://192.168.2.2:10001':
Metadata:
encoder : Lavf54.6.101
Stream #0:0: Video: h264, yuv420p, 352x288, q=-1--1, 90k tbn, 30 tbc
Stream #0:1: Audio: aac, 44100 Hz, stereo, s16, 32 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo -> libx264)
Stream #1:0 -> #0:1 (pcm_s16le -> libaacplus)
Press [q] to stop, [?] for help
[alsa @ 0x639f80] ALSA buffer xrun.
AAC bitstream not in ADTS format and extradata missing05.03 bitrate=
221.4kbits/s
*** glibc detected *** /root/tmp/ffmpeg/ffmpeg_g: free(): invalid pointer:
0x0000000000c46547 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x75ab6)[0x7ffff5740ab6]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x6c)[0x7ffff57457ec]
/usr/local/lib/libavcodec.so.54(av_destruct_packet+0xd)[0x7ffff684186d]
/usr/local/lib/libavcodec.so.54(av_free_packet+0x14)[0x7ffff6841c74]
/usr/local/lib/libavformat.so.54(av_interleaved_write_frame+0xe9)[0x7ffff76e8259]
/root/tmp/ffmpeg/ffmpeg_g[0x40ecb8]
/root/tmp/ffmpeg/ffmpeg_g[0x410f44]
/root/tmp/ffmpeg/ffmpeg_g[0x408134]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd)[0x7ffff56e9ead]
/root/tmp/ffmpeg/ffmpeg_g[0x408dc1]
======= Memory map: ========
00400000-00420000 r-xp 00000000 08:01 5472265
/root/tmp/ffmpeg/ffmpeg_g
0061f000-00622000 rw-p 0001f000 08:01 5472265
/root/tmp/ffmpeg/ffmpeg_g
00622000-0137d000 rw-p 00000000 00:00 0
[heap]
7fffc8000000-7fffc8021000 rw-p 00000000 00:00 0
7fffc8021000-7fffcc000000 ---p 00000000 00:00 0
7fffcf4f2000-7fffcf507000 r-xp 00000000 08:01 12338103
/lib/x86_64-linux-gnu/libgcc_s.so.1
7fffcf507000-7fffcf707000 ---p 00015000 08:01 12338103
/lib/x86_64-linux-gnu/libgcc_s.so.1
7fffcf707000-7fffcf708000 rw-p 00015000 08:01 12338103
/lib/x86_64-linux-gnu/libgcc_s.so.1
7fffcf70e000-7fffd0ae1000 rw-p 00000000 00:00 0
7fffd0ae1000-7fffd0ae2000 ---p 00000000 00:00 0
7fffd0ae2000-7fffd18a3000 rw-p 00000000 00:00 0
7fffd18a3000-7fffd18a4000 ---p 00000000 00:00 0
7fffd18a4000-7fffd20a4000 rw-p 00000000 00:00 0
7fffd20a4000-7fffd20a5000 ---p 00000000 00:00 0
7fffd20a5000-7fffd28a5000 rw-p 00000000 00:00 0
7fffd28a5000-7fffd28a6000 ---p 00000000 00:00 0
7fffd28a6000-7fffd3215000 rw-p 00000000 00:00 0
7fffd3215000-7fffd3228000 r-xp 00000000 08:01 12338109
/lib/x86_64-linux-gnu/libresolv-2.13.so
7fffd3228000-7fffd3427000 ---p 00013000 08:01 12338109
/lib/x86_64-linux-gnu/libresolv-2.13.so
7fffd3427000-7fffd3428000 r--p 00012000 08:01 12338109
/lib/x86_64-linux-gnu/libresolv-2.13.so
7fffd3428000-7fffd3429000 rw-p 00013000 08:01 12338109
/lib/x86_64-linux-gnu/libresolv-2.13.so
7fffd3429000-7fffd342b000 rw-p 00000000 00:00 0
7fffd342b000-7fffd3430000 r-xp 00000000 08:01 12338170
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7fffd3430000-7fffd362f000 ---p 00005000 08:01 12338170
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7fffd362f000-7fffd3630000 r--p 00004000 08:01 12338170
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7fffd3630000-7fffd3631000 rw-p 00005000 08:01 12338170
/lib/x86_64-linux-gnu/libnss_dns-2.13.so
7fffd3631000-7fffd363c000 r-xp 00000000 08:01 12338186
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7fffd363c000-7fffd383b000 ---p 0000b000 08:01 12338186
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7fffd383b000-7fffd383c000 r--p 0000a000 08:01 12338186
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7fffd383c000-7fffd383d000 rw-p 0000b000 08:01 12338186
/lib/x86_64-linux-gnu/libnss_files-2.13.so
7fffd383d000-7fffd386f000 rw-s 0060e000 00:05 3651
/dev/video0
7fffd386f000-7fffd38a1000 rw-s 005dc000 00:05 3651
/dev/video0
7fffd38a1000-7fffd38d3000 rw-s 005aa000 00:05 3651
/dev/video0
7fffd38d3000-7fffd3905000 rw-s 00578000 00:05 3651
/dev/video0
7fffd3905000-7fffd3937000 rw-s 00546000 00:05 3651
/dev/video0
7fffd3937000-7fffd3969000 rw-s 00514000 00:05 3651
/dev/video0
7fffd3969000-7fffd399b000 rw-s 004e2000 00:05 3651
/dev/video0
7fffd399b000-7fffd39cd000 rw-s 004b0000 00:05 3651
/dev/video0
7fffd39cd000-7fffd39ff000 rw-s 0047e000 00:05 3651
/dev/video0
7fffd39ff000-7fffd3a31000 rw-s 0044c000 00:05 3651
/dev/video0
7fffd3a31000-7fffd3a63000 rw-s 0041a000 00:05 3651
/dev/video0
7fffd3a63000-7fffd3a95000 rw-s 003e8000 00:05 3651
/dev/video0
7fffd3a95000-7fffd3ac7000 rw-s 003b6000 00:05 3651
/dev/video0
7fffd3ac7000-7fffd3af9000 rw-s 00384000 00:05 3651
/dev/video0
7fffd3af9000-7fffd3b2b000 rw-s 00352000 00:05 3651
/dev/video0
7fffd3b2b000-7fffd3b5d000 rw-s 00320000 00:05 3651
/dev/video0
7fffd3b5d000-7fffd3b8f000 rw-s 002ee000 00:05 3651
/dev/video0
7fffd3b8f000-7fffd3bc1000 rw-s 002bc000 00:05 3651
/dev/video0
7fffd3bc1000-7fffd3bf3000 rw-s 0028a000 00:05 3651
/dev/video0
7fffd3bf3000-7fffd3c25000 rw-s 00258000 00:05 3651
/dev/video0
7fffd3c25000-7fffd3c57000 rw-s 00226000 00:05 3651
/dev/video0
7fffd3c57000-7fffd3c89000 rw-s 001f4000 00:05 3651
/dev/video0
7fffd3c89000-7fffd3cbb000 rw-s 001c2000 00:05 3651
/dev/video0
7fffd3cbb000-7ffff3cbb000 rw-p 00000000 00:00 0
7ffff3cbb000-7ffff3cf5000 r-xp 00000000 08:01 9855453
/usr/lib/x86_64-linux-gnu/libjpeg.so.8.4.0
7ffff3cf5000-7ffff3ef4000 ---p 0003a000 08:01 9855453
/usr/lib/x86_64-linux-gnu/libjpeg.so.8.4.0
7ffff3ef4000-7ffff3ef5000 rw-p 00039000 08:01 9855453
/usr/lib/x86_64-linux-gnu/libjpeg.so.8.4.0
7ffff3ef5000-7ffff3f16000 r-xp 00000000 08:01 9854982
/usr/lib/x86_64-linux-gnu/libv4lconvert.so.0
7ffff3f16000-7ffff4115000 ---p 00021000 08:01 9854982
/usr/lib/x86_64-linux-gnu/libv4lconvert.so.0
7ffff4115000-7ffff4117000 r--p 00020000 08:01 9854982
/usr/lib/x86_64-linux-gnu/libv4lconvert.so.0
7ffff4117000-7ffff4118000 rw-p 00022000 08:01 9854982
/usr/lib/x86_64-linux-gnu/libv4lconvert.so.0
7ffff4118000-7ffff416a000 rw-p 00000000 00:00 0
7ffff416a000-7ffff416c000 r-xp 00000000 08:01 12338184
/lib/x86_64-linux-gnu/libdl-2.13.so
7ffff416c000-7ffff436c000 ---p 00002000 08:01 12338184
/lib/x86_64-linux-gnu/libdl-2.13.so
7ffff436c000-7ffff436d000 r--p 00002000 08:01 12338184
/lib/x86_64-linux-gnu/libdl-2.13.so
7ffff436d000-7ffff436e000 rw-p 00003000 08:01 12338184
/lib/x86_64-linux-gnu/libdl-2.13.so
7ffff436e000-7ffff439d000 r-xp 00000000 08:01 9836135
/usr/lib/libaacplus.so.2.0.2
7ffff439d000-7ffff459c000 ---p 0002f000 08:01 9836135
/usr/lib/libaacplus.so.2.0.2
7ffff459c000-7ffff459d000 rw-p 0002e000 08:01 9836135
/usr/lib/libaacplus.so.2.0.2
7ffff459d000-7ffff45e4000 r-xp 00000000 08:01 9855350
/usr/lib/x86_64-linux-gnu/libmp3lame.so.0.0.0
7ffff45e4000-7ffff47e4000 ---p 00047000 08:01 9855350
/usr/lib/x86_64-linux-gnu/libmp3lame.so.0.0.0
7ffff47e4000-7ffff47e5000 r--p 00047000 08:01 9855350
/usr/lib/x86_64-linux-gnu/libmp3lame.so.0.0.0
7ffff47e5000-7ffff47e6000 rw-p 00048000 08:01 9855350
/usr/lib/x86_64-linux-gnu/libmp3lame.so.0.0.0
7ffff47e6000-7ffff4817000 rw-p 00000000 00:00 0
7ffff4817000-7ffff4920000 r-xp 00000000 08:01 9847860
/usr/local/lib/libx264.so.120
7ffff4920000-7ffff4b1f000 ---p 00109000 08:01 9847860
/usr/local/lib/libx264.so.120
7ffff4b1f000-7ffff4b22000 rw-p 00108000 08:01 9847860
/usr/local/lib/libx264.so.120
7ffff4b22000-7ffff4b9d000 rw-p 00000000 00:00 0
7ffff4b9d000-7ffff4bb4000 r-xp 00000000 08:01 9832702
/usr/lib/libz.so.1.2.3.4
7ffff4bb4000-7ffff4db3000 ---p 00017000 08:01 9832702
/usr/lib/libz.so.1.2.3.4
7ffff4db3000-7ffff4db4000 rw-p 00016000 08:01 9832702
/usr/lib/libz.so.1.2.3.4
7ffff4db4000-7ffff4dc3000 r-xp 00000000 08:01 12337183
/lib/x86_64-linux-gnu/libbz2.so.1.0.4
7ffff4dc3000-7ffff4fc2000 ---p 0000f000 08:01 12337183
/lib/x86_64-linux-gnu/libbz2.so.1.0.4
7ffff4fc2000-7ffff4fc4000 rw-p 0000e000 08:01 12337183
/lib/x86_64-linux-gnu/libbz2.so.1.0.4
7ffff4fc4000-7ffff4fcb000 r-xp 00000000 08:01 12338190
/lib/x86_64-linux-gnu/librt-2.13.so
7ffff4fcb000-7ffff51ca000 ---p 00007000 08:01 12338190
/lib/x86_64-linux-gnu/librt-2.13.so
7ffff51ca000-7ffff51cb000 r--p 00006000 08:01 12338190
/lib/x86_64-linux-gnu/librt-2.13.so
7ffff51cb000-7ffff51cc000 rw-p 00007000 08:01 12338190
/lib/x86_64-linux-gnu/librt-2.13.so
7ffff51cc000-7ffff51d4000 r-xp 00000000 08:01 9854988
/usr/lib/x86_64-linux-gnu/libv4l2.so.0
7ffff51d4000-7ffff53d3000 ---p 00008000 08:01 9854988
/usr/lib/x86_64-linux-gnu/libv4l2.so.0
7ffff53d3000-7ffff53d4000 r--p 00007000 08:01 9854988
/usr/lib/x86_64-linux-gnu/libv4l2.so.0
7ffff53d4000-7ffff53d8000 rw-p 00008000 08:01 9854988
/usr/lib/x86_64-linux-gnu/libv4l2.so.0
7ffff53d8000-7ffff54c3000 r-xp 00000000 08:01 9855270
/usr/lib/x86_64-linux-gnu/libasound.so.2.0.0
7ffff54c3000-7ffff56c3000 ---p 000eb000 08:01 9855270
/usr/lib/x86_64-linux-gnu/libasound.so.2.0.0
7ffff56c3000-7ffff56cb000 rw-p 000eb000 08:01 9855270
/usr/lib/x86_64-linux-gnu/libasound.so.2.0.0
7ffff56cb000-7ffff5848000 r-xp 00000000 08:01 12338108
/lib/x86_64-linux-gnu/libc-2.13.so
7ffff5848000-7ffff5a48000 ---p 0017d000 08:01 12338108
/lib/x86_64-linux-gnu/libc-2.13.so
7ffff5a48000-7ffff5a4c000 r--p 0017d000 08:01 12338108
/lib/x86_64-linux-gnu/libc-2.13.so
7ffff5a4c000-7ffff5a4d000 rw-p 00181000 08:01 12338108
/lib/x86_64-linux-gnu/libc-2.13.so
7ffff5a4d000-7ffff5a52000 rw-p 00000000 00:00 0
7ffff5a52000-7ffff5a69000 r-xp 00000000 08:01 12338188
/lib/x86_64-linux-gnu/libpthread-2.13.so
7ffff5a69000-7ffff5c68000 ---p 00017000 08:01 12338188
/lib/x86_64-linux-gnu/libpthread-2.13.so
7ffff5c68000-7ffff5c69000 r--p 00016000 08:01 12338188
/lib/x86_64-linux-gnu/libpthread-2.13.so
7ffff5c69000-7ffff5c6a000 rw-p 00017000 08:01 12338188
/lib/x86_64-linux-gnu/libpthread-2.13.so
7ffff5c6a000-7ffff5c6e000 rw-p 00000000 00:00 0
7ffff5c6e000-7ffff5cef000 r-xp 00000000 08:01 12338172
/lib/x86_64-linux-gnu/libm-2.13.so
7ffff5cef000-7ffff5eee000 ---p 00081000 08:01 12338172
/lib/x86_64-linux-gnu/libm-2.13.so
7ffff5eee000-7ffff5eef000 r--p 00080000 08:01 12338172
/lib/x86_64-linux-gnu/libm-2.13.so
7ffff5eef000-7ffff5ef0000 rw-p 00081000 08:01 12338172
/lib/x86_64-linux-gnu/libm-2.13.so
7ffff5ef0000-7ffff5f0f000 r-xp 00000000 08:01 9847464
/usr/local/lib/libavutil.so.51.56.100
7ffff5f0f000-7ffff610e000 ---p 0001f000 08:01 9847464
/usr/local/lib/libavutil.so.51.56.100
7ffff610e000-7ffff6112000 rw-p 0001e000 08:01 9847464
/usr/local/lib/libavutil.so.51.56.100
7ffff6112000-7ffff6116000 rw-p 00000000 00:00 0
7ffff6116000-7ffff615f000 r-xp 00000000 08:01 9847338
/usr/local/lib/libswscale.so.2.1.100
7ffff615f000-7ffff635e000 ---p 00049000 08:01 9847338
/usr/local/lib/libswscale.so.2.1.100
7ffff635e000-7ffff6360000 rw-p 00048000 08:01 9847338
/usr/local/lib/libswscale.so.2.1.100
7ffff6360000-7ffff636f000 r-xp 00000000 08:01 9847330
/usr/local/lib/libswresample.so.0.15.100
7ffff636f000-7ffff656f000 ---p 0000f000 08:01 9847330
/usr/local/lib/libswresample.so.0.15.100
7ffff656f000-7ffff6571000 rw-p 0000f000 08:01 9847330
/usr/local/lib/libswresample.so.0.15.100
7ffff6571000-7ffff6587000 r-xp 00000000 08:01 9847325
/usr/local/lib/libpostproc.so.52.0.100
7ffff6587000-7ffff6786000 ---p 00016000 08:01 9847325
/usr/local/lib/libpostproc.so.52.0.100
7ffff6786000-7ffff6787000 rw-p 00015000 08:01 9847325
/usr/local/lib/libpostproc.so.52.0.100
7ffff6787000-7ffff6e75000 r-xp 00000000 08:01 9847321
/usr/local/lib/libavcodec.so.54.25.100
7ffff6e75000-7ffff7074000 ---p 006ee000 08:01 9847321
/usr/local/lib/libavcodec.so.54.25.100
7ffff7074000-7ffff70a0000 rw-p 006ed000 08:01 9847321
/usr/local/lib/libavcodec.so.54.25.100
7ffff70a0000-7ffff761a000 rw-p 00000000 00:00 0
7ffff761a000-7ffff7727000 r-xp 00000000 08:01 9847317
/usr/local/lib/libavformat.so.54.6.101
7ffff7727000-7ffff7927000 ---p 0010d000 08:01 9847317
/usr/local/lib/libavformat.so.54.6.101
7ffff7927000-7ffff793c000 rw-p 0010d000 08:01 9847317
/usr/local/lib/libavformat.so.54.6.101
7ffff793c000-7ffff79be000 r-xp 00000000 08:01 9846868
/usr/local/lib/libavfilter.so.2.78.101
7ffff79be000-7ffff7bbe000 ---p 00082000 08:01 9846868
/usr/local/lib/libavfilter.so.2.78.101
7ffff7bbe000-7ffff7bcc000 rw-p 00082000 08:01 9846868
/usr/local/lib/libavfilter.so.2.78.101
7ffff7bcc000-7ffff7bd2000 rw-p 00000000 00:00 0
7ffff7bd2000-7ffff7bdc000 r-xp 00000000 08:01 9846864
/usr/local/lib/libavdevice.so.54.0.100
7ffff7bdc000-7ffff7ddb000 ---p 0000a000 08:01 9846864
/usr/local/lib/libavdevice.so.54.0.100
7ffff7ddb000-7ffff7ddd000 rw-p 00009000 08:01 9846864
/usr/local/lib/libavdevice.so.54.0.100
7ffff7ddd000-7ffff7dfc000 r-xp 00000000 08:01 12338192
/lib/x86_64-linux-gnu/ld-2.13.so
7ffff7dfe000-7ffff7e25000 rw-p 00000000 00:00 0
7ffff7e25000-7ffff7e57000 rw-s 00190000 00:05 3651
/dev/video0
7ffff7e57000-7ffff7e89000 rw-s 0015e000 00:05 3651
/dev/video0
7ffff7e89000-7ffff7ebb000 rw-s 0012c000 00:05 3651
/dev/video0
7ffff7ebb000-7ffff7eed000 rw-s 000fa000 00:05 3651
/dev/video0
7ffff7eed000-7ffff7f1f000 rw-s 000c8000 00:05 3651
/dev/video0
7ffff7f1f000-7ffff7f51000 rw-s 00096000 00:05 3651
/dev/video0
7ffff7f51000-7ffff7f83000 rw-s 00064000 00:05 3651
/dev/video0
7ffff7f83000-7ffff7fb5000 rw-s 00032000 00:05 3651
/dev/video0
7ffff7fb5000-7ffff7fe7000 rw-s 00000000 00:05 3651
/dev/video0
7ffff7fe7000-7ffff7ff3000 rw-p 00000000 00:00 0
7ffff7ff7000-7ffff7ff8000 rw-s 81000000 00:05 3670
/dev/snd/pcmC0D0c
7ffff7ff8000-7ffff7ff9000 r--s 80000000 00:05 3670
/dev/snd/pcmC0D0c
7ffff7ff9000-7ffff7ffb000 rw-p 00000000 00:00 0
7ffff7ffb000-7ffff7ffc000 r-xp 00000000 00:00 0
[vdso]
7ffff7ffc000-7ffff7ffd000 r--p 0001f000 08:01 12338192
/lib/x86_64-linux-gnu/ld-2.13.so
7ffff7ffd000-7ffff7ffe000 rw-p 00020000 08:01 12338192
/lib/x86_64-linux-gnu/ld-2.13.so
7ffff7ffe000-7ffff7fff000 rw-p 00000000 00:00 0
7ffffffde000-7ffffffff000 rw-p 00000000 00:00 0
[stack]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
[vsyscall]
Program received signal SIGABRT, Aborted.
0x00007ffff56fd475 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0 0x00007ffff56fd475 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff57006f0 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007ffff573726b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007ffff5740ab6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#4 0x00007ffff57457ec in free () from /lib/x86_64-linux-gnu/libc.so.6
#5 0x00007ffff684186d in av_destruct_packet () from
/usr/local/lib/libavcodec.so.54
#6 0x00007ffff6841c74 in av_free_packet () from
/usr/local/lib/libavcodec.so.54
#7 0x00007ffff76e8259 in av_interleaved_write_frame () from
/usr/local/lib/libavformat.so.54
#8 0x000000000040ecb8 in write_frame (s=0x63bc00, pkt=0x7fffffffd210,
ost=0x63c580) at ffmpeg.c:1494
#9 0x0000000000410f44 in do_video_out (quality=0, in_picture=0xbd7bc0,
ost=0x63c580, s=0x63bc00) at ffmpeg.c:1798
#10 poll_filters () at ffmpeg.c:1937
#11 0x0000000000408134 in transcode () at ffmpeg.c:3458
#12 main (argc=<optimized out>, argv=<optimized out>) at ffmpeg.c:5758
(gdb) disass $pc-32,$pc+32
Dump of assembler code from 0x7ffff56fd455 to 0x7ffff56fd495:
0x00007ffff56fd455 <raise+21>: mov $0xf000000,%edx
0x00007ffff56fd45a <raise+26>: add $0x8964c689,%eax
0x00007ffff56fd45f <raise+31>: add $0x25,%al
0x00007ffff56fd461 <raise+33>: rolb (%rdx)
0x00007ffff56fd463 <raise+35>: add %al,(%rax)
0x00007ffff56fd465 <raise+37>: movslq %edi,%rdx
0x00007ffff56fd468 <raise+40>: movslq %esi,%rsi
0x00007ffff56fd46b <raise+43>: movslq %eax,%rdi
0x00007ffff56fd46e <raise+46>: mov $0xea,%eax
0x00007ffff56fd473 <raise+51>: syscall
=> 0x00007ffff56fd475 <raise+53>: cmp $0xfffffffffffff000,%rax
0x00007ffff56fd47b <raise+59>: ja 0x7ffff56fd492 <raise+82>
0x00007ffff56fd47d <raise+61>: repz retq
0x00007ffff56fd47f <raise+63>: nop
0x00007ffff56fd480 <raise+64>: test %eax,%eax
0x00007ffff56fd482 <raise+66>: jg 0x7ffff56fd465 <raise+37>
0x00007ffff56fd484 <raise+68>: test $0x7fffffff,%eax
0x00007ffff56fd489 <raise+73>: jne 0x7ffff56fd4a2 <raise+98>
0x00007ffff56fd48b <raise+75>: mov %esi,%eax
0x00007ffff56fd48d <raise+77>: nopl (%rax)
0x00007ffff56fd490 <raise+80>: jmp 0x7ffff56fd465 <raise+37>
0x00007ffff56fd492 <raise+82>: mov 0x34e97f(%rip),%rdx
# 0x7ffff5a4be18
End of assembler dump.
(gdb) info all-registers
rax 0x0 0
rbx 0x0 0
rcx 0xffffffffffffffff -1
rdx 0x6 6
rsi 0x3228 12840
rdi 0x3228 12840
rbp 0x7fffffffcdf0 0x7fffffffcdf0
rsp 0x7fffffffc3a8 0x7fffffffc3a8
r8 0x0 0
r9 0x400b38 4197176
r10 0x8 8
r11 0x206 518
r12 0xb 11
r13 0x7fffffffc6d0 140737488340688
r14 0x62 98
r15 0x7 7
rip 0x7ffff56fd475 0x7ffff56fd475 <raise+53>
eflags 0x206 [ PF IF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
st0 -nan(0x6262626262626262) (raw 0xffff6262626262626262)
st1 -nan(0x6464646464646464) (raw 0xffff6464646464646464)
st2 -nan(0x6565656565656565) (raw 0xffff6565656565656565)
st3 -nan(0x6262636364646565) (raw 0xffff6262636364646565)
st4 -nan(0x5f5f606061616262) (raw 0xffff5f5f606061616262)
st5 -nan(0x5f5f5f5f5f5f5f5f) (raw 0xffff5f5f5f5f5f5f5f5f)
---Type <return> to continue, or q <return> to quit---
st6 -nan(0x6060605f5f5e5e5e) (raw 0xffff6060605f5f5e5e5e)
st7 -nan(0x6060605f5f5e5e5e) (raw 0xffff6060605f5f5e5e5e)
fctrl 0x37f 895
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x0 0
foseg 0x0 0
fooff 0x0 0
fop 0x0 0
xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0,
0x8000000000000000}, v16_int8 = {0x0 <repeats 12 times>, 0xff, 0x0, 0x0,
0xff}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0xff00},
v4_int32 = {0x0, 0x0, 0x0, 0xff0000ff}, v2_int64 = {0x0,
0xff0000ff00000000}, uint128 = 0xff0000ff000000000000000000000000}
xmm1 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0,
0x0}, uint128 = 0x00000000000000000000000000000000}
xmm2 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0,
0x0}, uint128 = 0x00000000000000000000000000000000}
xmm3 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0,
0x0}, uint128 = 0x00000000000000000000000000000000}
xmm4 {v4_float = {0x0, 0x0, 0x0, 0xf82469f0}, v2_double =
{0x8000000000000000, 0x8000000000000000}, v16_int8 = {0x6d, 0x37, 0xc6,
0x6c, 0xf8, 0x3c, 0x35, 0x5c, 0xfa, 0xa1, 0x39, 0xae, 0xc2, 0x72,
0xfb, 0xcc}, v8_int16 = {0x376d, 0x6cc6, 0x3cf8, 0x5c35, 0xa1fa, 0xae39,
0x72c2, 0xccfb}, v4_int32 = {0x6cc6376d, 0x5c353cf8, 0xae39a1fa,
0xccfb72c2}, v2_int64 = {0x5c353cf86cc6376d, 0xccfb72c2ae39a1fa},
uint128 = 0xccfb72c2ae39a1fa5c353cf86cc6376d}
xmm5 {v4_float = {0x0, 0x0, 0x0, 0xffff04a9}, v2_double =
{0x8000000000000000, 0x8000000000000000}, v16_int8 = {0xcb, 0xd4, 0x31,
0x61, 0x43, 0x8d, 0x96, 0xf9, 0xa5, 0x2e, 0x61, 0xfe, 0xc5, 0x57,
0x7b, 0xc7}, v8_int16 = {0xd4cb, 0x6131, 0x8d43, 0xf996, 0x2ea5, 0xfe61,
0x57c5, 0xc77b}, v4_int32 = {0x6131d4cb, 0xf9968d43, 0xfe612ea5,
0xc77b57c5}, v2_int64 = {0xf9968d436131d4cb, 0xc77b57c5fe612ea5},
uint128 = 0xc77b57c5fe612ea5f9968d436131d4cb}
xmm6 {v4_float = {0x0, 0x0, 0xff83484e, 0xffff6d26}, v2_double =
{0x0, 0x8000000000000000}, v16_int8 = {0xa8, 0x6d, 0xac, 0xfd, 0x71,
0x58, 0x17, 0x87, 0x64, 0x6f, 0xf9, 0xca, 0x84, 0xda, 0x12, 0xc7},
v8_int16 = {0x6da8, 0xfdac, 0x5871, 0x8717, 0x6f64, 0xcaf9, 0xda84,
0xc712}, v4_int32 = {0xfdac6da8, 0x87175871, 0xcaf96f64, 0xc712da84},
v2_int64 = {0x87175871fdac6da8, 0xc712da84caf96f64},
---Type <return> to continue, or q <return> to quit---
uint128 = 0xc712da84caf96f6487175871fdac6da8}
xmm7 {v4_float = {0xee300000, 0x0, 0x0, 0x0}, v2_double = {0x0,
0x0}, v16_int8 = {0x1d, 0x81, 0x71, 0xd5, 0xe, 0x51, 0x55, 0x97, 0x7,
0xf3, 0x4b, 0x9f, 0xd7, 0x3a, 0x2d, 0x97}, v8_int16 = {0x811d, 0xd571,
0x510e, 0x9755, 0xf307, 0x9f4b, 0x3ad7, 0x972d}, v4_int32 = {
0xd571811d, 0x9755510e, 0x9f4bf307, 0x972d3ad7}, v2_int64 =
{0x9755510ed571811d, 0x972d3ad79f4bf307},
uint128 = 0x972d3ad79f4bf3079755510ed571811d}
xmm8 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x0, 0x20, 0x1f, 0xb7, 0x0 <repeats 12 times>}, v8_int16 = {
0x2000, 0xb71f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0xb71f2000,
0x0, 0x0, 0x0}, v2_int64 = {0xb71f2000, 0x0},
uint128 = 0x000000000000000000000000b71f2000}
xmm9 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0,
0x0}, uint128 = 0x00000000000000000000000000000000}
xmm10 {v4_float = {0x3, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x0, 0x0, 0x40, 0x40, 0x0 <repeats 12 times>}, v8_int16 = {
0x0, 0x4040, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x40400000,
0x0, 0x0, 0x0}, v2_int64 = {0x40400000, 0x0},
uint128 = 0x00000000000000000000000040400000}
xmm11 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xec, 0x0, 0xec, 0x0, 0xec, 0x0, 0xec, 0x0, 0xec, 0x0,
0xeb, 0x0, 0xea, 0x0, 0xe9, 0x0}, v8_int16 = {0xec, 0xec, 0xec, 0xec,
0xec, 0xeb, 0xea, 0xe9}, v4_int32 = {0xec00ec, 0xec00ec, 0xeb00ec,
0xe900ea}, v2_int64 = {0xec00ec00ec00ec, 0xe900ea00eb00ec}, uint128 =
0x00e900ea00eb00ec00ec00ec00ec00ec}
xmm12 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x38, 0x10, 0xe5, 0xeb, 0x63, 0xbb, 0xde, 0xbe, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0x1038, 0xebe5, 0xbb63,
0xbede, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0xebe51038, 0xbedebb63, 0x0,
0x0}, v2_int64 = {0xbedebb63ebe51038, 0x0}, uint128 =
0x0000000000000000bedebb63ebe51038}
xmm13 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0x6a, 0xe3, 0x46, 0xbf, 0x78, 0xd5, 0xd4, 0xbb, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0xe36a, 0xbf46, 0xd578,
0xbbd4, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0xbf46e36a, 0xbbd4d578, 0x0,
0x0}, v2_int64 = {0xbbd4d578bf46e36a, 0x0}, uint128 =
0x0000000000000000bbd4d578bf46e36a}
xmm14 {v4_float = {0x0, 0x2, 0x0, 0x0}, v2_double = {0x7, 0x0},
v16_int8 = {0x0, 0xd, 0x98, 0x1e, 0x9c, 0x7f, 0x1e, 0x40, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0xd00, 0x1e98, 0x7f9c,
0x401e, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0x1e980d00, 0x401e7f9c, 0x0,
0x0}, v2_int64 = {0x401e7f9c1e980d00, 0x0}, uint128 =
0x0000000000000000401e7f9c1e980d00}
xmm15 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0},
v16_int8 = {0xab, 0x99, 0xea, 0x3e, 0x0 <repeats 12 times>},
v8_int16 = {0x99ab, 0x3eea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 =
{0x3eea99ab, 0x0, 0x0, 0x0}, v2_int64 = {0x3eea99ab, 0x0},
uint128 = 0x0000000000000000000000003eea99ab}
mxcsr 0x1fa0 [ PE IM DM ZM OM UM PM ]
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1441>
FFmpeg <http://ffmpeg.org>
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