generic-library/ffmpeg
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21 Commits

Author SHA1 Message Date
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