ca6c3f2c53
lzo: fix overflow checking in copy_backptr()
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The check `src > dst' in the form `&c->out[-back] > c->out' invokes
pointer overflow, which is undefined behavior in C.
Remove the check. Also replace `&c->out[-back] < c->out_start' with
a safe form `c->out - c->out_start < back' to avoid overflow.
CC: libav-stable@libav.org
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-03-15 12:52:31 +01:00
5bac2d0c30
avutil: Move memcpy_backptr() to mem.c
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The function is used elsewhere and does not belong with the LZO code.
2012-10-25 11:36:57 +02:00
d82f188504
Remove need for padding in av_memcpy_backptr()
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Signed-off-by: Mans Rullgard <mans@mansr.com>
2012-10-23 18:57:24 +01:00
ceb754d041
lzo: Use AV_COPY*U macros where appropriate
2012-10-23 18:45:50 +02:00
c08536979b
avutil/lzo: K&R formatting cosmetics
2012-10-20 02:34:29 +02:00
8fb1e26405
lzo: Drop obsolete fast_memcpy reference
2012-10-19 17:04:41 +02:00
193d7eea95
libavutil: Remove broken and pointless lzo test program.
2012-03-26 13:00:09 +02:00
c68fafe0d2
doxygen: eliminate Qt-style doxygen syntax
2011-12-05 13:06:58 +01:00
adbfc605f6
doxygen: Consistently use '@' instead of '\' for Doxygen markup.
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
2011-06-24 00:37:49 +02:00
2912e87a6c
Replace FFmpeg with Libav in licence headers
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Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-19 13:33:20 +00:00
032f406864
Handle input or output len of 0 properly in lzo decoder.
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(cherry picked from commit 7d5082600e
2011-01-24 21:25:43 +01:00
985fdd534f
Give liblzo benchmark conditionals more descriptive names and add convenience
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definitions along with instructions for changing them.
Originally committed as revision 18387 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-04-09 15:11:48 +00:00
82a6ef2089
Replace manual setting of the removed av_log_level variable by the
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corresponding call to av_log_set_level().
Originally committed as revision 18310 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-04-02 08:15:03 +00:00
fe4032b66a
Remove more functions disabled by major version bump.
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Originally committed as revision 17876 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-03-08 15:02:12 +00:00
0d08e27015
Add necessary header for LIBAVUTIL_VERSION_MAJOR, fixes the warning:
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libavutil/lzo.c:235:5: warning: "LIBAVUTIL_VERSION_MAJOR" is not defined
Originally committed as revision 16962 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-02 23:13:18 +00:00
a545f067f3
Move doxygen documentation from lzo.c to lzo.h
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Originally committed as revision 16949 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-02 20:30:36 +00:00
0b178e5629
Add av_ prefix to LZO stuff and thus make it officially part of the public API.
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Keep lzo1x_decode until the next major version bump for binary compatibility.
Originally committed as revision 16946 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-02-02 20:16:00 +00:00
bfe3676feb
spelling/grammar/consistency review part II
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Originally committed as revision 16848 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-28 23:03:17 +00:00
89c9ff504b
spelling/grammar/consistency review part I
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Originally committed as revision 16840 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-01-28 00:16:05 +00:00
6ba10f338a
Add av_memcpy_backptr(): deliberately overlapping memcpy variant.
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Originally committed as revision 14641 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-08-06 08:17:03 +00:00
5e038b4f08
LZO decoder input is const
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Originally committed as revision 11797 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-02-01 16:30:51 +00:00
4302963daa
Move lzo decompression to libavutil
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Originally committed as revision 7789 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-01-31 22:58:53 +00:00
Xi Wang
Diego Biurrun
Mans Rullgard
Reimar Döffinger
Peter Ross