Diego Biurrun
d34a133b78
dfa: Disallow odd width/height and add proper bounds check for DDS1 chunks
...
DDS1 chunks are decoded in 2x2 blocks, odd chunk width or height is not
allowed in that case. Also ensure that the decode buffer is big enough
for all blocks being processed.
Bug-Id: CVE-2017-9992
CC: libav-stable@libav.org
2017-08-13 19:58:40 +02:00
Anton Khirnov
fd9212f2ed
Mark some arrays that never change as const.
2017-02-01 10:42:59 +01:00
Vittorio Giovara
def97856de
lavc: AV-prefix all codec capabilities
...
Express bitfields more simply.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2015-07-27 15:24:58 +01:00
Diego Biurrun
cc8163e1a3
avcodec: more correct printf specifiers
2014-03-22 14:08:20 +01:00
Diego Biurrun
b2bed9325d
cosmetics: Group .name and .long_name together in codec/format declarations
2013-10-03 23:32:01 +02:00
Kostya Shishkov
56c1b92576
dfa: implement missing TDLT coding method
2013-04-09 18:32:00 +02:00
Anton Khirnov
3623589edc
dfa: check for invalid access in decode_wdlt().
...
This can happen when the number of skipped lines is not consistent with
the number of coded lines.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-04-04 07:54:07 +02:00
Anton Khirnov
759001c534
lavc decoders: work with refcounted frames.
2013-03-08 07:38:30 +01:00
Anton Khirnov
df9b956751
lavc: fix decode_frame() third parameter semantics for video decoders
...
It's got_frame, not data size
2012-12-04 21:45:36 +01:00
Anton Khirnov
594d4d5df3
lavc: add a wrapper for AVCodecContext.get_buffer().
...
It will be useful in the upcoming transition to refcounted AVFrames.
2012-12-04 21:41:59 +01:00
Diego Biurrun
5bac2d0c30
avutil: Move memcpy_backptr() to mem.c
...
The function is used elsewhere and does not belong with the LZO code.
2012-10-25 11:36:57 +02:00
Mans Rullgard
a153e45b95
dfa: use av_memcpy_backptr() where previously impossible
...
Since the requirement for output padding has been lifted, we can
use av_memcpy_backptr() here as well.
Signed-off-by: Mans Rullgard <mans@mansr.com>
2012-10-23 18:57:24 +01:00
Diego Biurrun
e831b3b852
av_memcpy_backptr: Drop no longer necessary malloc padding
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
2012-10-23 18:57:24 +01:00
Anton Khirnov
716d413c13
Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat
2012-10-08 07:13:26 +02:00
Anton Khirnov
d05f72c754
dfa: improve boundary checks in decode_dds1()
...
Fixes CVE-2012-2798
CC:libav-stable@libav.org
2012-09-29 19:17:07 +02:00
Anton Khirnov
ee715f49a0
dfa: check that the caller set width/height properly.
...
Fixes CVE-2012-2786.
2012-09-29 09:27:08 +02:00
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
2012-08-07 16:00:24 +02:00
Kostya Shishkov
fb5c1aaea6
dfa: use more meaningful return codes
2012-05-06 19:18:27 +02:00
Kostya Shishkov
8099187e89
dfa: add some checks to ensure that decoder won't write past frame end
2012-05-06 09:31:52 +02:00
Martin Storsjö
00c3b67b8a
cosmetics: Align codec declarations
...
Also break some long lines, remove codec function placeholder comments
and add spaces in sample/pixel format lists.
Signed-off-by: Martin Storsjö <martin@martin.st>
2012-04-06 22:37:38 +03:00
Paul B Mahol
29b0d94b43
dfa: convert to bytestream2 API
...
Protects from overreads.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2012-03-12 21:47:40 -07:00
Anton Khirnov
ec6402b7c5
lavc: use designated initialisers for all codecs.
...
It's more readable and less prone to breakage.
2011-07-29 08:42:34 +02:00
Diego Biurrun
b1bb3b8d87
dfa: Remove unused variable.
...
This fixes the warning:
libavcodec/dfa.c:189: warning: unused variable ‘frame_end’
2011-05-15 13:12:47 +02:00
Reimar Döffinger
2c9a5172d3
dfa: fix buffer overflow checks to avoid integer overflows.
...
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2011-05-13 07:38:54 +02:00
Ronald S. Bultje
d38345878c
dfa: protect pointer range checks against overflows.
2011-03-29 07:14:44 -07:00
Kostya Shishkov
42315dabce
Chronomaster DFA decoder
...
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2011-03-28 16:55:03 +02:00