generic-library/ffmpeg
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165 Commits

Author SHA1 Message Date
Michael Niedermayer
26f6acc66b Merge commit '5efadcb8cdef6fc5ca5f1f72e45ef3b23016b1c4' 
* commit '5efadcb8cdef6fc5ca5f1f72e45ef3b23016b1c4':
  jpeg2000: Clean up return paths and error messages

Conflicts:
	libavcodec/jpeg2000dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-03 12:16:24 +02:00
Michael Niedermayer
b0448e5123 Merge commit 'be3271009ef893fbed9640e8edbd771685fd957b' 
* commit 'be3271009ef893fbed9640e8edbd771685fd957b':
  jpeg2000: Define the maximum decomposition levels

Conflicts:
	libavcodec/jpeg2000.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-03 12:02:11 +02:00
Michael Niedermayer
3f0364327c Merge commit 'fbcc03db8f3919e2ea46d6ad11a00906b1c0ef0e' 
* commit 'fbcc03db8f3919e2ea46d6ad11a00906b1c0ef0e':
  jpeg2000: Check code-block size

Conflicts:
	libavcodec/jpeg2000dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-03 11:55:45 +02:00
Michael Niedermayer
37a970bbb6 Merge commit '5650e331a733711b809bc27f968500f0f5530126' 
* commit '5650e331a733711b809bc27f968500f0f5530126':
  jpeg2000: Validate resolution levels

Conflicts:
	libavcodec/jpeg2000dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-03 11:20:39 +02:00
Michael Niedermayer
95a57d26d8 jpeg2000: Use the matching coding style struct for transform selection 
Fixes a null pointer dereference.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:48 +02:00
Michael Niedermayer
22e18ea39e jpeg2000: Optimize output sample conversion 
67935 -> 29984 kcycles

Reviewed-by: Nicolas BERTRAND <nicoinattendu@gmail.com>

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:48 +02:00
Michael Niedermayer
f0552e63a6 jpeg2000: Reset s->numX/Ytiles on tile deallocation 
Keep the structure fields more consistent after cleanup.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:48 +02:00
Michael Niedermayer
d57c737ac3 jpeg2000: Simplify jpeg2000_decode_packets() 
Raise PATCHWELCOME error in case of non-implemented progression order.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:47 +02:00
Luca Barbato
daeb4e3042 jpeg2000: Proper cleanup on failure in decode_frame() 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:47 +02:00
Michael Niedermayer
e11099db20 jpeg2000: Optimize dequantization 
Float:   4700 -> 2700 cycles
Integer: 4400 -> 2800 cycles

(sandybridge  i7)

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:47 +02:00
Michael Niedermayer
09d5929f37 jpeg2000: Do not crash on NULL node in tag_tree_decode 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:47 +02:00
Michael Niedermayer
c1dcbc590d jpeg2000: Do not assume a single tile 
In preparation of supporting multiple tiles.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:47 +02:00
Michael Niedermayer
aa16bbaf9b jpeg2000: Refactor SOT marker parsing 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:47 +02:00
Michael Niedermayer
53d5d89c1b jpeg2000: Speed up jpeg2000_decode_tile() 
Skip processing bands with dimension set to 0.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:47 +02:00
Michael Niedermayer
64f6570c6e jpeg2000: Use EBCOT's CAUSAL and BYPASS mode in decode_cblk() 
Speed it up a bit.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:47 +02:00
Michael Niedermayer
589e5b52f6 jpeg2000: Use the correct sizeof in memset for T1 data 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:46 +02:00
Michael Niedermayer
f9581f1414 jpeg2000: Improve reduced resolution decoding 
Correctly scale down the component coordinates and
clean up some redundant code.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:46 +02:00
Michael Niedermayer
5b73916d34 jpeg2000: Simplify init_tile() 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:46 +02:00
Michael Niedermayer
33e665a6ab jpeg2000: Update pixel format support 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:46 +02:00
Michael Niedermayer
5bf208f659 jpeg2000: Use separate fields for int and float codepaths 
Split stepsize and data into int and float variants.
Eliminates a number of casts and simplifies spotting errors.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:46 +02:00
Michael Niedermayer
a458b91cf4 jpeg2000: Split int/float codepaths depending on the DWT 
DWT53 is always int, DWT97 is always float.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:46 +02:00
Michael Niedermayer
4e11b15534 jpeg2000: Calculate code-block coord in ff_jpeg2000_init_component() 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:45 +02:00
Michael Niedermayer
cf04af2086 jpeg2000: Check that we have enough components for MCT 
Avoid overread.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:45 +02:00
Michael Niedermayer
b564784a20 jpeg2000: Check that there is a SOT before SOD 
Avoid overreads.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:45 +02:00
Michael Niedermayer
2c3901b2c3 jpeg2000: Remove unneeded returns 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:45 +02:00
Michael Niedermayer
ef35d6dbc6 jpeg2000: Propagate error code from get_cox() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:45 +02:00
Michael Niedermayer
86a2602e16 jpeg2000: Drop unused and writeonly fields 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:44 +02:00
Michael Niedermayer
fd54dd028b jpeg2000: check len before parsing header 
Avoid overread.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:44 +02:00
Michael Niedermayer
17e5d614a8 jpeg2000: Check zero bit-plane validity 
Prevent integer overflows.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:44 +02:00
Luca Barbato
7e201d575d jpeg2000: Validate block lengthinc 
Currently we are using an array with a static data size.

Similar to a patch with the same purpose by Michael Niedermayer.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:44 +02:00
Michael Niedermayer
278a923c51 jpeg2000: Validate SIZ parsing 
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:44 +02:00
Michael Niedermayer
d3cb302b88 jpeg2000: Validate SOT parsing 
Avoid some overreads.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:44 +02:00
Michael Niedermayer
ac921338a4 jpeg2000: Correctly calculate sgnd 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:44 +02:00
Michael Niedermayer
eae63e3c15 jpeg2000: Check component number in get_coc() and get_qcc() 
Avoid overreads.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:44 +02:00
Michael Niedermayer
1a3598aae7 jpeg2000: Use bytestream2 
Prevent a number of overreads.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:43 +02:00
Luca Barbato
5efadcb8cd jpeg2000: Clean up return paths and error messages 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:43 +02:00
Luca Barbato
be3271009e jpeg2000: Define the maximum decomposition levels 
And define the resolution levels according.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:43 +02:00
Michael Niedermayer
fbcc03db8f jpeg2000: Check code-block size 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:43 +02:00
Luca Barbato
5650e331a7 jpeg2000: Validate resolution levels 
There are 32 maximum decomposition levels, thus 33 resolution levels.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-07-02 20:05:43 +02:00
Carl Eugen Hoyos
0915b531bc Rename "AVClass class" as "AVClass component_class". 
The aix header math.h defines "extern int class()" for C.
 2013-06-30 13:47:45 +02:00
Michael Niedermayer
32fc8d6db6 avcodec/jpeg2000dec: check that tp_end is after the start 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-21 00:58:41 +02:00
Michael Niedermayer
582f53349e jpeg2000dec: make cblk->length(inc)/data use consistent 
Fixes Ticket2612

Reviewed-by: Nicolas BERTRAND <nicoinattendu@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-17 20:08:51 +02:00
Michael Niedermayer
3b86174290 avcodec/jpeg2000dec: move bpno check to a earlier place 
This prevents additional integer overflows

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-16 15:27:39 +02:00
Michael Niedermayer
69e4d8e6a4 avcodec/jpeg2000dec: check len before parsing header 
Fixes out of array read

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-14 19:34:00 +02:00
Michael Niedermayer
5deb96c564 avcodec/jpeg2000dec: Check Psot 
Fixes out of array read

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-14 19:34:00 +02:00
Michael Niedermayer
e850a064ce jpeg2000dec: Check compno in get_coc() 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-14 01:55:43 +02:00
Michael Niedermayer
129edcb50f jpeg2000dec: dont set ncomponents to an invalid value 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-14 00:36:45 +02:00
Michael Niedermayer
8e887ca1fe jpeg2000dec: Check bpno in decode_cblk() 
Fixes integer overflow in fate-redcode-demux

Reviewed-by: Nicolas BERTRAND <nicoinattendu@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-10 17:13:46 +02:00
Michael Niedermayer
7c3a296b4f jpeg2000dec: fix av_log() 
Found-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-06 21:52:49 +02:00
Michael Niedermayer
21d0f75f29 jpeg2000dec: check that we have enough components for MCT 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-06 16:06:48 +02:00
Michael Niedermayer
c49d94487c jpeg2000dec: Use the matching coding style struct for transform selection 
Fixes a null pointer dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-06 15:38:05 +02:00
Michael Niedermayer
b26bcd08e6 jpeg2000dec: Check that theres a SOT before SOD 
Fixes out of array access

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-06 10:51:07 +02:00
Michael Niedermayer
c51654fbc0 jpeg2000dec: Support 4 tile parts 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-06 03:10:42 +02:00
Michael Niedermayer
c59ce1c98e get_qcc: Check compno 
Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-06 02:26:22 +02:00
Michael Niedermayer
bbc19010ed jpeg2000dec: return error for invalid cdxy values 
Fixes division by 0

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-05 23:31:19 +02:00
Michael Niedermayer
66c4d54413 jpeg2000dec: Propagate error code from get_cox() correctly 
Without this the context state could become inconsistent

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-05 18:34:07 +02:00
Michael Niedermayer
bbf43c70dd jpeg2000dec: assert that curtileno is valid when used 
Fixes CID1026755
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-03 14:59:52 +02:00
Michael Niedermayer
6507d86f07 jpeg2000dec; optimize output sample convert a bit 
67935 -> 29984 kcycles

Reviewed-by: Nicolas BERTRAND <nicoinattendu@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-03 13:00:50 +02:00
Paul B Mahol
d2021f74ed jpeg2000dec: remove redundant error log message 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-06-03 00:20:08 +00:00
Michael Niedermayer
9054e72529 jpeg2000: make sure s->numXtiles / s->numYtiles are reset when tile is deallocated 
This keeps the structure fields more consistent after cleanup

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-01 14:41:46 +02:00
Michael Niedermayer
dc60061bb6 jpeg2000dec: optimize dequantization_int() 
4400->2800 cycles

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-01 11:48:13 +02:00
Michael Niedermayer
6cbd0241f2 jpeg2000dec: optimize dequantization_float() 
4700 -> 2700 cycles (sandybridge  i7)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-01 11:48:09 +02:00
Michael Niedermayer
f77467a11d jpeg2000dec: fix indention 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 13:33:13 +02:00
Michael Niedermayer
c1415cfefb jpeg2000dec: print more detailed cdx/y debug info 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 13:32:33 +02:00
Michael Niedermayer
9d56ccf5af j2k/jpeg2000dec: merge 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 03:10:08 +02:00
Michael Niedermayer
fd7e119037 jpeg2000dec: merge simplification of jpeg2000_decode_packets() from j2k 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 03:10:08 +02:00
Michael Niedermayer
192050d7a7 jpeg2000dec: merge sgnd fix from j2k 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 03:10:07 +02:00
Michael Niedermayer
5dbbb762e5 jpeg2000dec: merge struct field types from j2k 
Fixes AVOption type mismatch

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 03:10:07 +02:00
Michael Niedermayer
cdb86136f7 j2k/jpeg2000: merge some of the tilepart related code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 02:22:11 +02:00
Michael Niedermayer
f67f2681da jpeg2000deci/j2kdec: fix sizeof types 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 02:22:10 +02:00
Michael Niedermayer
20a2d5ec11 jpeg2000dec: fix ff_mqc_initdec() and data setup order 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 02:22:10 +02:00
Michael Niedermayer
7a2b634220 jpeg2000dec: simplify init_tile() / merge from j2k 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-31 02:22:10 +02:00
Michael Niedermayer
3f714d1ffd jpeg2000/j2k: merge non functional changes 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-30 18:38:04 +02:00
Michael Niedermayer
9ccc9f30f7 jpeg2000: drop red-blue swap 
This should no longer be needed as the pix fmt was updated

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-30 18:37:56 +02:00
Michael Niedermayer
310f9dd698 j2k/jpeg2000: merge pix_fmt setting code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-30 16:45:30 +02:00
Michael Niedermayer
8bedbb82ce j2k/jpeg2000: split data pointer in int & float. 
This fixes a TODO item and unifies both decoders structures
It also fixes undefined behavior due to aliasing violations

I choose 2 fields instead of a union because mistakely using the
wrong type with a union will lead to hard to debug "wrong output"
while with 2 fields mistakely using the wrong type will crash
with a null pointer derefernce which is much easier to debug

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-30 14:18:53 +02:00
Michael Niedermayer
83fd377c94 j2k/jpeg2000: merge float DWT and related code 
the float conditions are largely changed to check the DWT
instead of the bitexact flag, which previously was wrong
(DWT53 is always int)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-29 00:29:25 +02:00
Michael Niedermayer
c37d735c1c jpeg2000dec: mct_decode: remove unused return 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-28 23:49:11 +02:00
Michael Niedermayer
fe7136ef82 j2k/jpeg2000: split stepsize in float & int variables 
This is more clear and less prone to mistakes.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-28 22:16:14 +02:00
Michael Niedermayer
aa0d11ed0b jpeg2000dec: remove unneeded returns 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-28 22:16:14 +02:00
Michael Niedermayer
8cf57efdd7 j2k/jpeg2000: merge lowres code 
This also fixes lowres use with ffplay

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-28 00:30:06 +02:00
Michael Niedermayer
8c2e201c4f j2k/jpeg2000: drop xi/yi0/1 from Jpeg2000Prec 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-27 15:53:42 +02:00
Michael Niedermayer
14652c080d j2k/jpeg2000: restructure cblk coord 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-27 15:13:18 +02:00
Michael Niedermayer
bd89b2b22a j2k/jpeg2000: log2_prec size cleanup 
This also changes the cblk size storage method to what jpeg2000 uses

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-26 22:29:11 +02:00
Michael Niedermayer
cb39dfb870 j2k/jpeg2000: check cblk size 
This is based on j2k FCD which is ambigous thus the limit
might be tighter.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-26 20:15:50 +02:00
Michael Niedermayer
de90bd6c3f j2k/jpeg2000: merge cosmetics and whitespace 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-26 20:15:50 +02:00
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