Michael Niedermayer
7c6cf689d8
avcodec/diracdec: allocate edges internally instead of depending on CODEC_FLAG_EMU_EDGE being not set
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Nicolas George
a91394f4de
lavc/diracdec: check av_frame_alloc() failure.
11 years ago
Michael Niedermayer
fca7943850
avcodec/diracdec: avoid depending on sizeof(AVFrame)
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Clément Bœsch
b46f19100b
cosmetics: group remaining .name and .long_name.
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See b2bed9325
.
11 years ago
Ronald S. Bultje
face578d56
Rewrite emu_edge functions to have separate src/dst_stride arguments.
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This allows supporting files for which the image stride is smaller than
the max. block size + number of subpel mc taps, e.g. a 64x64 VP9 file
or a 16x16 VP8 file with -fflags +emu_edge.
11 years ago
Ronald S. Bultje
c341f734e5
Convert multiplier for MV from int to ptrdiff_t.
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This prevents emulated_edge_mc from not undoing mvy*stride-related
integer overflows.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
5dff269998
avcodec/diracdec: use init_get_bits8()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Clément Bœsch
1ec94b0f06
lavc: factorize ff_{thread_,re,}get_buffer error messages.
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Coccinelle profile used:
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_get_buffer(ctx, f, flags)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str;
@@
-if ((r = ff_reget_buffer(ctx, f)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_reget_buffer(ctx, f)) < 0)
+ return r;
@@
expression r, ctx, f, loglevel, str, flags;
@@
-if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) {
- av_log(ctx, loglevel, str);
- return r;
-}
+if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0)
+ return r;
...along with some manual patches for the remaining ones.
12 years ago
Ronald S. Bultje
c7e3e55429
Move ff_emulated_edge_mc prototypes to videodsp.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
30981a966f
lavc: split snow and dirac DWTs
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There is only about 4 lines of common code, so it alot cleaner
when seperated.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
f5d6b0c9c2
diracdec: fix typo in mctmp allocation
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
2f6ec9fdd7
diracdec: Test mctmp and mcscratch for malloc failure.
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Fixes null pointer dereference
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
b84d1bf193
diracdec: fix emulated_edge condition, fix out of array reads
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Paul B Mahol
4012cd6c4f
lavc: fix decode_frame() third parameter semantics for rest of video decoders
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Michael Niedermayer
3ba58433e1
diracdec: check wavelet depth, prevent out of array read.
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
0a4087b893
diracdec: Use only one frame per reference
...
Prevents null ptr dereference
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
7dab48bb73
diracdec: allocate enough space for blocks
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
dca2fa10d3
diracdec: fix edge emulation check, fixes out of array reads
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Lou Logan
6851130fd6
cosmetics: minor libavcodec spelling errors
...
Also update some common misspelled words in patcheck
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Clément Bœsch
3c1d52d30b
Fix a few @file doxy inconsistencies.
13 years ago
Michael Niedermayer
601d072e68
diracdec: check xybsep
...
Fixes division by 0
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
efe1ba7201
diracdec: check lowdelay bytes.
...
Fixes division by zero
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
6a052e64b5
direcdec: fix infinite loop
...
Fixes Ticket1156
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
0f13cc732b
diracdec: Correct the bytestream end pointer.
...
This fixes some arith decoder overreads and a potential infinite loop.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
ad21c05172
diracdec: fix use of deprecated funnctions
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
5cd8afee99
diracdec: Check for negative quants which would cause out of array reads.
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
9729f140ae
diracdec: Fix integer overflow leading to out of global array read.
...
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
ddf0c1d86a
diracdec: Check num_refs.
...
Fixes: CVE-2011-3950
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
e2291ea153
diracdec: Check dirac_unpack_idwt_params parameters before storing them.
...
Fixes CVE-2011-3949
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Paul B Mahol
ba10207bbe
Use more designated initializers.
...
Also remove some pointless NULL/0 assigments.
C++ code must be left as it is because named struct
initializers are not supported by C++ standard.
13 years ago
Michael Niedermayer
6718536ba5
diracdec: fix empty data units.
...
Fixed Ticket636
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Jordi Ortiz
fca712df09
Dirac: Specific struct initializers in AVCodec initialization
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Jordi Ortiz
aae7a5e36d
Dirac: Removed goto + some code make up
...
(cherry picked from commit 8db434f8a6d210f7fd2f28ba325927d7a5dd04b9)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Jordi Ortiz
49aa397414
Dirac: More formating
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Jordi Ortiz
ca239e1c37
Dirac: Doxygen comments and some formatting enhancements
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Jordi Ortiz
e3cfe54145
Dirac now returns AVFrames instead of DiracFrames
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
multiple authors
5d50fcc549
DIRAC Decoder stable version, MMX support removed.
...
Look for MMX_DISABLED to find the disabled functions.
Authors of this code are Marco Gerards <marco@gnu.org> and David Conrad <lessen42@gmail.com>
With changes from Jordi Ortiz <nenjordi@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago