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path: root/libavcodec/dirac_dwt.h
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2022-09-29avcodec/dirac_dwt: Avoid conversions between function pointers and void*Andreas Rheinhardt
Pointers to void can be converted to any pointer to incomplete or object type and back; but they are nevertheless not completely generic pointers: There is no provision in the C standard that guarantees their convertibility with function pointers. C90 lacks a generic function pointer, C99 made every function pointer a generic function pointer and still disallows the convertibility with void *. Both GCC as well as Clang warn about this when using -pedantic. Therefore use unions to avoid these conversions. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2018-05-17avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0 / COMPOSE_DD137iL0Michael Niedermayer
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); Fixes: 6500/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-4523620274536448 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-31avcodec/dirac_dwt: Fix several integer overflowsMichael Niedermayer
Fixes: runtime error: signed integer overflow: -2146071175 + -268479557 cannot be represented in type 'int' Fixes: 5237/clusterfuzz-testcase-minimized-4569895275593728 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-01-08avcodec/dirac_dwt: Fix overflows in COMPOSE_HAARiH0/COMPOSE_HAARiL0Michael Niedermayer
Fixes: 4830/clusterfuzz-testcase-minimized-5255392054476800 Fixes: signed integer overflow: 2147483646 - -7 cannot be represented in type 'int' Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-12-26avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0() and ↵Michael Niedermayer
COMPOSE_DD137iL0() Fixes: runtime error: signed integer overflow: 2147483646 + 33554433 cannot be represented in type 'int' Fixes: 4563/clusterfuzz-testcase-minimized-5438979567517696 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-12-07avcodec/dirac_dwt: Fix integer overflows in COMPOSE_DAUB97*Michael Niedermayer
Fixes: 4478/clusterfuzz-testcase-minimized-4752113767809024 Fixes: runtime error: signed integer overflow: -2147483626 + -319489 cannot be represented in type 'int' Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-11-26avcodec/dirac_dwt: Fix integer overflow in COMPOSE_FIDELITYi*Michael Niedermayer
Fixes: runtime error: signed integer overflow: -2143827186 - 7404944 cannot be represented in type 'int' Fixes: 4354/clusterfuzz-testcase-minimized-4671122764201984 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-11-18avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD137iL0()Michael Niedermayer
Fixes: 4035/clusterfuzz-testcase-minimized-6479308925173760 Fixes: runtime error: signed integer overflow: 9 * 402653183 cannot be represented in type 'int' Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-10-11avcodec/dirac_dwt: Fix integer overflow in COMPOSE_53iL0()Michael Niedermayer
Fixes: runtime error: signed integer overflow: 2147483646 + 2 cannot be represented in type 'int' Fixes: 3485/clusterfuzz-testcase-minimized-4940429332054016 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-22avcodec/dirac_dwt: Fix integer overflow in COMPOSE_FIDELITYi*()Michael Niedermayer
Fixes: runtime error: signed integer overflow: 161 * 13872281 cannot be represented in type 'int' Fixes: 3295/clusterfuzz-testcase-minimized-4738998142500864 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-09-03avcodec/dirac_dwt: Fix multiple overflows in 9/7 liftingMichael Niedermayer
Fixes: runtime error: signed integer overflow: 1073901567 + 1073901567 cannot be represented in type 'int' Fixes: 3124/clusterfuzz-testcase-minimized-454643435752652 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-08avcodec/dirac_dwt: Fixes integer overflows in COMPOSE_DAUB97*Michael Niedermayer
Fix multiple: runtime error: signed integer overflow: 6497 * 3409630 cannot be represented in type 'int' Fixes: 2819/clusterfuzz-testcase-minimized-4743700301217792 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-29avcodec/dirac_dwt: Fix multiple integer overflows in COMPOSE_DD97iH0()Michael Niedermayer
Fixes: runtime error: signed integer overflow: 9 * 335544320 cannot be represented in type 'int' Fixes: 2739/clusterfuzz-testcase-minimized-6737297955356672 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-02-07diracdec: Pass DWTPlane to dwt initTimothy Gu
2016-02-07diracdec: Split DWTPlane struct from PlaneTimothy Gu
2016-02-07dirac_dwt: Rename init2 to initTimothy Gu
The functions are all private.
2016-02-06dirac_dwt: Make x86 files/functions names consistentTimothy Gu
2015-12-10diracdec: Template DSP functions adding 10-bit versionsKieran Kunhya
2014-04-22Various small spelling fixes.Reimar Döffinger
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
2013-08-16avcodec/dirac_dwt: Remove unused ff_spatial_idwt2()Michael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-15lavc: split snow and dirac DWTsMichael Niedermayer
There is only about 4 lines of common code, so it alot cleaner when seperated. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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