generic-library/ffmpeg
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155 Commits

Author SHA1 Message Date
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