| Commit message (Collapse) | Author | Age |
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Fixes: simple_idct_template.c:184:30: runtime error: signed integer overflow: -1065517056 - 1392182838 cannot be represented in type 'int'
Fixes: simple_idct_template.c:269:21: runtime error: signed integer overflow: 16384 * 259254 cannot be represented in type 'int'
Fixes: simple_idct_template.c:164:17: runtime error: signed integer overflow: 21407 * 210162 cannot be represented in type 'int'
Fixes: simple_idct_template.c:167:17: runtime error: signed integer overflow: 21407 * 210162 cannot be represented in type 'int'
Fixes: simple_idct_template.c:169:19: runtime error: signed integer overflow: 22725 * 259190 cannot be represented in type 'int'
Fixes: simple_idct_template.c:171:19: runtime error: signed integer overflow: 19265 * 259190 cannot be represented in type 'int'
Fixes: simple_idct_template.c:173:19: runtime error: signed integer overflow: 12873 * 259190 cannot be represented in type 'int'
Fixes: simple_idct_template.c:183:28: runtime error: signed integer overflow: 1860878336 + 585177665 cannot be represented in type 'int'
Fixes: simple_idct_template.c:159:17: runtime error: signed integer overflow: 16384 * 189520 cannot be represented in type 'int'
Fixes: simple_idct_template.c:170:22: runtime error: signed integer overflow: 19265 * 130147 cannot be represented in type 'int'
Fixes: simple_idct_template.c:174:23: runtime error: signed integer overflow: -22725 * 130147 cannot be represented in type 'int'
Fixes: simple_idct_template.c:183:20: runtime error: signed integer overflow: 16384 * -175206 cannot be represented in type 'int'
Fixes: simple_idct_template.c:184:22: runtime error: signed integer overflow: -16384 * -175206 cannot be represented in type 'int'
Fixes: simple_idct_template.c:185:22: runtime error: signed integer overflow: -16384 * -175206 cannot be represented in type 'int'
Fixes: simple_idct_template.c:186:20: runtime error: signed integer overflow: 16384 * -175206 cannot be represented in type 'int'
Fixes: simple_idct_template.c:195:26: runtime error: signed integer overflow: 19265 * 150747 cannot be represented in type 'int'
Fixes: simple_idct_template.c:198:27: runtime error: signed integer overflow: -22725 * 150747 cannot be represented in type 'int'
Fixes: simple_idct_template.c:184:37: runtime error: signed integer overflow: 21407 * -171941 cannot be represented in type 'int'
Fixes: simple_idct_template.c:185:37: runtime error: signed integer overflow: 21407 * -171941 cannot be represented in type 'int'
Fixes: simple_idct_template.c:192:27: runtime error: signed integer overflow: -12873 * 206341 cannot be represented in type 'int'
Fixes: simple_idct_template.c:185:30: runtime error: signed integer overflow: 1196441600 + 1703756981 cannot be represented in type 'int'
Fixes: simple_idct_template.c:176:23: runtime error: signed integer overflow: -12873 * 168461 cannot be represented in type 'int'
Fixes: simple_idct_template.c:191:27: runtime error: signed integer overflow: -22725 * -140062 cannot be represented in type 'int'
Fixes: simple_idct_template.c:197:26: runtime error: signed integer overflow: 19265 * -140062 cannot be represented in type 'int'
Fixes: simple_idct_template.c:183:34: runtime error: signed integer overflow: 8867 * -243046 cannot be represented in type 'int'
Fixes: simple_idct_template.c:186:34: runtime error: signed integer overflow: 8867 * -243046 cannot be represented in type 'int'
Fixes: simple_idct_template.c:186:28: runtime error: signed integer overflow: -816234496 - 2139878414 cannot be represented in type 'int'
Fixes: simple_idct_template.c:188:26: runtime error: signed integer overflow: 12873 * -239872 cannot be represented in type 'int'
Fixes: simple_idct_template.c:165:16: runtime error: signed integer overflow: 8867 * -260084 cannot be represented in type 'int'
Fixes: simple_idct_template.c:166:16: runtime error: signed integer overflow: 8867 * -260084 cannot be represented in type 'int'
Fixes: 9135/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-6324422955761664
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '2ec9fa5ec60dcd10e1cb10d8b4e4437e634ea428':
idct: Change type of array stride parameters to ptrdiff_t
Merged-by: James Almer <jamrial@gmail.com>
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ptrdiff_t is the correct type for array strides and similar.
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Benchmarks with START_TIMER indicate that the code is faster with unsigned, (that is
with the patch), there was quite some fluctuation in the numbers so this may be just
random
Fixes: 811/clusterfuzz-testcase-6465493076541440
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '283226e11ccf50a71d25d150fbbf1743f74c6c49':
simple_idct_template: Fix strict aliasing violation
See 5df703aa1b03814e9cd216ab703501481166b3bb
Merged-by: Clément Bœsch <u@pkh.me>
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This fixes fate-wmv8-intrax8 in certain configurations, e.g.
gcc 4.4.
Signed-off-by: Martin Storsjö <martin@martin.st>
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* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
cosmetics: Fix spelling mistakes
Merged-by: Clément Bœsch <u@pkh.me>
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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The original code left-shifts negative values, which is undefined
in the C99 specification (the one used during normal Libav compilation).
This change multiplies by (1 << shift), which is functionally equivalent,
but has defined behavior.
With this change, fate-idct8x8 compiled with --fsanitize=undefined works.
Bug-Id: 686
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Fixes intrax8 test
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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omse goes from 0.03060703 (which fails for dct-test) to 0.01663750.
This also actually improve the error of decoding the sample generated
by fate-vsynth3-dnxhd1080i-10bit using simple_idct10 to FAANI, which
goes (when resampled to yuv422p) from:
stddev: 0.06 PSNR: 72.28 MAXDIFF: 1
to identical.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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The original code left-shifts negative values, which is undefined
in the C99 specification (the one used during normal FFmpeg compilation).
This change multiplies by (1 << shift), which is functionally equivalent,
but has defined behavior.
With this change, fate-idct8x8 compiled with --fsanitize=undefined works.
Bug-Id: 686
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
The assembly generated by gcc is unchanged by this commit
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* commit 'aba70bb5387f12dfa5e6cd8cb861c9c7e668151f':
Add missing headers to make template files compile (more) standalone
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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MSE doesnt change for the test as the code only triggers
for very sparse matrixes
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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MSE changes from 0.04890000 to 0.02969844
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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match the x86 code
no changes in either standard deviation or PSNR is seen in any of the changed fate
cases
MSE changes from 0.05012422 to 0.04890000
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This prevents overflows with 12bit jpegs
Fixes Ticket2952
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Will be needed for jpeg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f':
Drop DCTELEM typedef
Conflicts:
libavcodec/alpha/dsputil_alpha.h
libavcodec/alpha/motion_est_alpha.c
libavcodec/arm/dsputil_init_armv6.c
libavcodec/bfin/dsputil_bfin.h
libavcodec/bfin/pixels_bfin.S
libavcodec/cavs.c
libavcodec/cavsdec.c
libavcodec/dct-test.c
libavcodec/dnxhdenc.c
libavcodec/dsputil.c
libavcodec/dsputil.h
libavcodec/dsputil_template.c
libavcodec/eamad.c
libavcodec/h264_cavlc.c
libavcodec/h264idct_template.c
libavcodec/mpeg12.c
libavcodec/mpegvideo.c
libavcodec/mpegvideo.h
libavcodec/mpegvideo_enc.c
libavcodec/ppc/dsputil_altivec.c
libavcodec/proresdsp.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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It does not help as an abstraction and adds dsputil dependencies.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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* qatar/master:
SBR DSP: fix SSE code to not use SSE2 instructions.
cpu: initialize mask to -1, so that by default, optimizations are used.
error_resilience: initialize s->block_index[].
svq3: protect against negative quantizers.
Don't use ff_cropTbl[] for IDCT.
swscale: make filterPos 32bit.
FATE: add CPUFLAGS variable, mapping to -cpuflags avconv option.
avconv: add -cpuflags option for setting supported cpuflags.
cpu: add av_set_cpu_flags_mask().
libx264: Allow overriding the sliced threads option
avconv: fix counting encoded video size.
Conflicts:
doc/APIchanges
doc/fate.texi
doc/ffmpeg.texi
ffmpeg.c
libavcodec/h264idct_template.c
libavcodec/svq3.c
libavutil/avutil.h
libavutil/cpu.c
libavutil/cpu.h
libswscale/swscale.c
tests/Makefile
tests/fate-run.sh
tests/regression-funcs.sh
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Results of IDCT can by far outreach the range of ff_cropTbl[], leading
to overreads and potentially crashes.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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"Copyright (c) 2001 Michael Niedermayer" and "part of Libav" is not likely
not only am i not a libav developer there also was no libav in 2001
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fix the fate ref for prores-422_proxy by reverting the changes to it
in commit f492df0927c42da174edb674857670fc50abc5dc
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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This matches other dsputil functions and simplifies calls.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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