5bf208f659
jpeg2000: Use separate fields for int and float codepaths
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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
a458b91cf4
jpeg2000: Split int/float codepaths depending on the DWT
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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
f9581f1414
jpeg2000: Improve reduced resolution decoding
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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
952f7ed3c0
jpeg2000: Compute quantization for 'scalar derived' in the correct case.
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Scalar derived case is represented by the JPEG2K_QSTY_SI define.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
4e11b15534
jpeg2000: Calculate code-block coord in ff_jpeg2000_init_component()
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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
4cbd5ed11b
jpeg2000: Fix compute precedence error in lut_gain index
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
b44925ae6b
jpeg2000: Initialize code blocks structures in precincts to 0
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Prevent use of uninitialized memory / valgrind failure.
Found-by: ubitux
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
cf04af2086
jpeg2000: Check that we have enough components for MCT
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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
b564784a20
jpeg2000: Check that there is a SOT before SOD
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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
2c3901b2c3
jpeg2000: Remove unneeded returns
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
ef35d6dbc6
jpeg2000: Propagate error code from get_cox()
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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
78962d3df4
jpeg2000: Check that nreslevels2decode has been initialized before use
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Avoid buffer overread.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
86a2602e16
jpeg2000: Drop unused and writeonly fields
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
ac921338a4
jpeg2000: Correctly calculate sgnd
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
fd54dd028b
jpeg2000: check len before parsing header
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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
eae63e3c15
jpeg2000: Check component number in get_coc() and get_qcc()
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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
17e5d614a8
jpeg2000: Check zero bit-plane validity
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Prevent integer overflows.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
7e201d575d
jpeg2000: Validate block lengthinc
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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
278a923c51
jpeg2000: Validate SIZ parsing
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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
d3cb302b88
jpeg2000: Validate SOT parsing
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Avoid some overreads.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
1a3598aae7
jpeg2000: Use bytestream2
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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
5efadcb8cd
jpeg2000: Clean up return paths and error messages
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:43 +02:00
be3271009e
jpeg2000: Define the maximum decomposition levels
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And define the resolution levels according.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:43 +02:00
fbcc03db8f
jpeg2000: Check code-block size
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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
5650e331a7
jpeg2000: Validate resolution levels
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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
8ad3267ce3
oggdec: do not fall back on binary search in the generic code.
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Binary search is already attempted in the format-specific seek function,
so the fallback is only reached if binary search failed already.
2013-07-02 10:37:22 +02:00
c8b920a9b7
lls/x86: use 3-operator vaddpd in ADDPD_MEM
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Fixes build with yasm-1.1
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2013-07-02 10:15:09 +02:00
8bd9039900
Revert "indeo5: reject negative motion vectors"
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Negative motion vectors are possible.
This reverts commit 1194a41080
2013-07-01 06:49:46 +02:00
b36e1893ef
indeo: check for reference when inheriting mvs
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The same is done already for qdelta.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-07-01 04:20:58 +02:00
1194a41080
indeo5: reject negative motion vectors
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-07-01 04:20:51 +02:00
dd3754a488
indeo: use proper error code
2013-07-01 04:17:46 +02:00
7388c0c586
indeo: Properly forward the error codes
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If the tile data size does not match the buffer size it did not
return an AVERROR_INVALIDDATA causing futher corruption later.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-07-01 04:17:46 +02:00
1221bb6239
x86: lpc: fix a segfault in av_evaluate_lls_sse2()
2013-06-30 23:11:19 +00:00
6765ee7b9c
mjpeg: Check the unescaped size for overflows
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And contextually check init_get_bits success and fix the reporting
message.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-06-30 08:48:51 +02:00
7520d9779c
mjpeg: Move code out of else branch
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Simplify the control flow and spare some vertical space.
2013-06-30 08:46:55 +02:00
7798a59dc1
avconv: Don't include colorspace.h
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The header is private, and avconv.c doesn't use it
for anything.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2013-06-29 14:24:02 -04:00
02ec656af7
wmapro: error out on impossible scale factor offsets
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-06-29 18:11:59 +02:00
d4a217a408
wmapro: check the min_samples_per_subframe
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Must be at least WMAPRO_BLOCK_MIN_SIZE.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-06-29 18:11:40 +02:00
183880cfc4
pictor: use the correct logging context
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Broken in 6d97484d72
2013-06-29 18:11:12 +02:00
c93ccf5a4c
lpc: use levinson for the first pass of multipass cholesky
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Levinson is faster, and cholesky is only needed if we want to apply different
weights to different samples, which doesn't happen on the first pass.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29 13:26:52 +02:00
b545179fdf
x86: lpc: simd av_evaluate_lls
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1.5x-1.8x faster on sandybridge
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29 13:23:57 +02:00
502ab21af0
x86: lpc: simd av_update_lls
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4x-6x faster on sandybridge
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29 13:23:57 +02:00
41578f70cf
lpc: use function pointers, in preparation for asm
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29 13:23:57 +02:00
cc6714bb16
lpc: remove "decay" argument
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We never used the rolling-average mode, and this makes av_update_lls 15% faster.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-06-29 13:23:57 +02:00
3822936252
wmapro: check num_vec_coeffs against the actual available buffer
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Prevent yet another buffer overwrite.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-06-28 13:16:35 +02:00
6652338f43
wmapro: return early on unsupported condition
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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-06-28 13:16:00 +02:00
e30b068ef7
wmapro: make sure there is room to store the current packet
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Prevent horrid and hard to trace struct overwrite.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-06-28 13:15:40 +02:00
afe03092dd
lavc: move put_bits_left in put_bits.h
2013-06-28 13:14:12 +02:00
07c52e2c7c
aac: return meaningful errors
2013-06-27 01:22:36 +02:00
6d8629aac1
aac: K&R formatting cosmetics
2013-06-27 01:22:06 +02:00
Michael Niedermayer
Luca Barbato
Anton Khirnov
Loren Merritt
Derek Buitenhuis
Loren Merritt