Public bug reported:
Vlc crashes when encoding h264:
Thread 9 (Thread 0x7fffd9712700 (LWP 3034)):
#0 __memcmp_sse2 () at ../sysdeps/x86_64/multiarch/../memcmp.S:74
#1 0x00007fffc9ec9d9e in x264_cqm_init () from
/usr/lib/x86_64-linux-gnu/libx264.so.123
#2 0x00007fffc9f34374 in x264_encoder_open_123 () from
/usr/lib/x86_64-linux-gnu/libx264.so.123
#3 0x00007fffca1fef34 in Open (p_this=0x7fffd0000e08) at x264.c:1254
#4 0x00007ffff795ed00 in vlc_module_load (p_this=p_this@entry=0x7fffd0000e08,
psz_capability=psz_capability@entry=0x7fffe8ceaa31 "encoder",
psz_name=<optimized out>, b_strict=b_strict@entry=true,
probe=probe@entry=0x7ffff795e5d0 <generic_start>) at modules/modules.c:347
#5 0x00007ffff795f1a4 in module_need (obj=obj@entry=0x7fffd0000e08,
cap=cap@entry=0x7fffe8ceaa31 "encoder", name=<optimized out>,
strict=strict@entry=true) at modules/modules.c:437
#6 0x00007fffe8ce8a34 in transcode_video_new
(p_stream=p_stream@entry=0x7fffe00059d8, id=id@entry=0x7fffd00008e0) at
video.c:241
#7 0x00007fffe8ce9c28 in transcode_video_add
(p_stream=p_stream@entry=0x7fffe00059d8, p_fmt=p_fmt@entry=0x7fffe0526990,
id=id@entry=0x7fffd00008e0) at video.c:832
#8 0x00007fffe8ce54a8 in Add (p_stream=0x7fffe00059d8, p_fmt=0x7fffe0526990)
at transcode.c:553
#9 0x00007ffff797f64f in sout_InputNew (p_sout=0x7fffe000a6d8,
p_fmt=p_fmt@entry=0x7fffe0526990)
at stream_output/stream_output.c:184
#10 0x00007ffff791b6e6 in DecoderProcessSout (p_block=0x0,
p_dec=0x7fffe0523ea8) at input/decoder.c:1812
#11 DecoderProcess (p_dec=p_dec@entry=0x7fffe0523ea8,
p_block=p_block@entry=0x7fffe052e9d0) at input/decoder.c:2040
#12 0x00007ffff791bde4 in DecoderThread (p_data=0x7fffe0523ea8) at
input/decoder.c:938
#13 0x00007ffff76c8f6e in start_thread (arg=0x7fffd9712700) at
pthread_create.c:311
#14 0x00007ffff71ef9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
http://forum.doom9.org/showthread.php?p=1623567:
Configure x264 with "--extra-cflags=-fno-aggressive-loop-optimizations" solves
this problem.
Also seems that problem solved in trunk -
http://git.videolan.org/?p=x264.git;a=commit;h=89aecb440e2939be7fb72d8362eb12504711b94f
** Affects: x264 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1241772
Title:
Miscompilation with gcc 4.8 (segfault in x264_cqm_init)
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