generic-library/ffmpeg
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29 Commits

Author SHA1 Message Date
Michael Niedermayer
914ab4cd1c j2kdec & jpeg2000dec: check lengthinc against array size 
Fixes out of array reads

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 04:18:38 +02:00
Michael Niedermayer
17e66c9ff4 j2k & jpeg2000dec: reset numX/Ytiles if tiles failed allocation 
Fixes null pointer dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 03:18:55 +02:00
Michael Niedermayer
53f0442464 avcodec/jpeg2000dec: Port tile size check from j2kdec 
Fixes potential integer overflow

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 03:16:52 +02:00
Michael Niedermayer
73ffab4195 jpeg2000dec: check TPsot 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 02:53:21 +02:00
Michael Niedermayer
fec8783883 jpeg2000dec: read and check curtileno 
Fixes out of array accesses
Code ported from j2kdec

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 02:29:49 +02:00
Michael Niedermayer
f399b33c2b jpeg2000dec & j2kdec: Fix return type of get_sot() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 02:14:04 +02:00
Michael Niedermayer
4a9a6a1f35 vcodec/jpeg2000dec: fix av_log() type 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 02:05:50 +02:00
Michael Niedermayer
0b42631641 avcodec/jpeg2000dec: merge bytestream2 reading from j2kdec 
This fixes at least one out of array access

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 01:24:47 +02:00
Michael Niedermayer
c649ecb3b2 avcodec/jpeg2000dec: get_qcx, fix stack and heap overwrites 
This is likely remotely exploitable
Fix ported from j2kdec
No uptodate FFmpeg release should be affected by this

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-22 00:07:45 +02:00
Michael Niedermayer
069ede2981 jpeg2000dec: Check ncomponents and tile dimensions 
Fixes various problems

Code ported from j2kdec

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-21 21:44:34 +02:00
Michael Niedermayer
75835abe91 Merge commit '7c57a582a03fb473091a88737ab92b9f2a5bb87a' 
* commit '7c57a582a03fb473091a88737ab92b9f2a5bb87a':
  jpeg2000dec: don't use deprecated PIX_FMT values

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-15 10:39:00 +02:00
Michael Niedermayer
85de84c3e0 Merge commit '7cbc4cb4424430586ce2d5c0dba81174c6d1db01' 
* commit '7cbc4cb4424430586ce2d5c0dba81174c6d1db01':
  fate: update the mmf reference
  mmf: Write metadata into an Optional Data chunk
  jpeg2000dec: Use correct printf length modifier for pointer differences

Conflicts:
	libavformat/mmf.c
	tests/ref/lavf/mmf

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-15 10:15:15 +02:00
Anton Khirnov
7c57a582a0 jpeg2000dec: don't use deprecated PIX_FMT values 2013-05-15 07:46:39 +02:00
Diego Biurrun
a349458e67 jpeg2000dec: Use correct printf length modifier for pointer differences 
Also eliminate an unnecessary cast. Fixes the following warning:
jpeg2000dec.c:1200:20: warning: format ‘%lX’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘long long unsigned int’
 2013-05-14 16:46:56 +02:00
Michael Niedermayer
1bad40ef27 Merge commit '70f9661542a581dfe93b636b1c55b5558e4a4e3c' 
* commit '70f9661542a581dfe93b636b1c55b5558e4a4e3c':
  jpeg2000dec: initialize static data just once

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-08 11:46:41 +02:00
Michael Niedermayer
aecb3421f6 Merge commit '45a1694fde251ee56e23aec073d73172c00aa470' 
* commit '45a1694fde251ee56e23aec073d73172c00aa470':
  jpeg2000dec: cleanup properly after decoding errors

Conflicts:
	libavcodec/jpeg2000dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-08 11:41:54 +02:00
Michael Niedermayer
974420a701 jpeg2000dec: fix memleaks in error cases in jpeg2000_decode_frame() 
Reviewed-by: Nicolas BERTRAND <nicoinattendu@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-06 22:56:22 +02:00
Janne Grunau
70f9661542 jpeg2000dec: initialize static data just once 2013-05-06 22:45:47 +02:00
Janne Grunau
45a1694fde jpeg2000dec: cleanup properly after decoding errors 
Fixes memory leak in fate-redcode-demux.
 2013-05-06 22:27:33 +02:00
Michael Niedermayer
050b48f397 Merge commit '6c5eac9a603a91a707d030d96ba97e2ef6b3ce50' 
* commit '6c5eac9a603a91a707d030d96ba97e2ef6b3ce50':
  swscale: Remove unnecessary backslashes
  jpeg2000: Fix uninitialized data errors pointed out by valgrind/memcheck

Conflicts:
	libavcodec/jpeg2000dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-06 21:23:29 +02:00
Nicolas Bertrand
a06f0cef5b jpeg2000: fix for uninitialized data errors in valgrind/memcheck 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-06 21:14:19 +02:00
Nicolas Bertrand
28816f9db8 jpeg2000: Fix uninitialized data errors pointed out by valgrind/memcheck 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2013-05-06 13:07:00 +02:00
Reimar Döffinger
d82729e5d9 Detect and skip mj2-style jp2c header. 
This this fixes one of the issues with
http://blogs.bu.edu/mhirsch/files/2012/08/Rotate180CCW-checkerboard.mj2_.zip
and at least allows to demux the file properly instead
of failing during probing.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2013-05-05 10:01:22 +02:00
Michael Niedermayer
03b81df9e6 Merge commit '2e2d24667a2c5cc7af94cfa7b63bb9ec1c04224b' 
* commit '2e2d24667a2c5cc7af94cfa7b63bb9ec1c04224b':
  jpeg2000: Add mutlti-threading support to decoder

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-24 09:55:59 +02:00
Nicolas Bertrand
2e2d24667a jpeg2000: Add mutlti-threading support to decoder 
Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2013-04-23 11:53:04 +02:00
Michael Niedermayer
5056cff125 Merge commit '10f1a4d9bd8239ac64f364e0d3b6423c28230d6d' 
* commit '10f1a4d9bd8239ac64f364e0d3b6423c28230d6d':
  jpeg2kdec: output is native endian AV_PIX_FMT_XYZ12

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-23 10:24:49 +02:00
Michael Niedermayer
e2e9bee2da Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  avcodec: Bump minor for JPEG 2000 decoder
  JPEG 2000 decoder for DCinema

The mqc code is merged, the rest is added independent of
the existing jpeg2000 decoder and encoder.

Conflicts:
	Changelog
	doc/general.texi
	libavcodec/Makefile
	libavcodec/allcodecs.c
	libavcodec/mqc.c
	libavcodec/mqc.h
	libavcodec/mqcdec.c
	libavcodec/version.h
	tests/fate/video.mak

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-22 20:00:54 +02:00
Janne Grunau
10f1a4d9bd jpeg2kdec: output is native endian AV_PIX_FMT_XYZ12 2013-04-22 17:11:21 +02:00
Nicolas Bertrand
c81a706381 JPEG 2000 decoder for DCinema 
Based on the 2007 GSoC project from Kamil Nowosad <k.nowosad@students.mimuw.edu.pl>
Updated to current programming standards, style and many more small
fixes by Diego Biurrun <diego@biurrun.de>.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2013-04-22 15:38:29 +02:00