Michael Niedermayer
ae4393ae9e
avutil/fixed_dsp: Fix integer overflows in butterflies_fixed_c()
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Fixes: signed integer overflow: 0 - -2147483648 cannot be represented in type 'int'
Fixes: 23646/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5480991098667008
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 4a02ae49c2michael@niedermayer.cc >
2020-10-05 21:28:08 +02:00
James Almer
dee579ffcd
x86/fixed_dsp: add ff_butterflies_fixed_sse2
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Reviewed-by: Paul B Mahol <onemda@gmail.com >
Signed-off-by: James Almer <jamrial@gmail.com >
2016-01-16 21:09:38 -03:00
James Almer
6fb96afdd6
avutil/fixed_dsp: remove ff_ prefix from static function
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Signed-off-by: James Almer <jamrial@gmail.com >
2015-06-20 03:39:09 -03:00
Nedeljko Babic
1a06d0935f
libavutil: Add new fixed dsp functions.
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Add functions needed for implementation of fixed point aac dec.
Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com >
Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2015-06-03 22:50:53 +02:00
Nedeljko Babic
e374405d8e
libavutil: Cosmetic changes to fixed_dsp file.
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Names of functions vector_fmul_window_fixed_c and
vector_fmul_window_fixed_scaled_c are changed by removing "_fixed"
from the name since it is redundant.
Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com >
Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2015-05-29 19:46:00 +02:00
Michael Niedermayer
c3b6454d80
avutil/fixed_dsp: Check for av_malloc() failure
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Fixes CID1271051
Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2015-02-22 16:27:28 +01:00
Michael Niedermayer
64e0369808
avutil/fixed_dsp: Use av_clip_int16() instead of the non optimized av_clip_int16_c()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2015-02-15 00:43:32 +01:00
Michael Niedermayer
d506deaeaa
avutil/fixed_dsp: remove redundant cast
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2014-04-01 17:57:30 +02:00
Nedeljko Babic
284cfc7180
libavutil: Add fixed_dsp
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Signed-off-by: Nedeljko Babic <nbabic@mips.com >
Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2014-04-01 17:36:33 +02:00
