Michael Niedermayer
0181b202cc
avcodec/aacpsdsp_template: Fix undefined integer overflow in ps_add_squares_c()
...
Fixes runtime error: signed integer overflow: 1997494407 + 613252359 cannot be represented in type 'int'
Fixes: 2014/clusterfuzz-testcase-minimized-5186337030275072
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-27 19:40:28 +02:00
Clément Bœsch
b12a36170b
lavc/aacpsdsp: use ptrdiff_t for stride in hybrid_analysis
2017-06-28 12:22:39 +02:00
Clément Bœsch
ff0ecef624
lavc/aarch64: add a few SIMD functions for AAC PS
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☭ tests/checkasm/checkasm --bench --test=aacpsdsp
checkasm: using random seed 3318985180
MMX implied by specified flags
MMX implied by specified flags
NEON:
- aacpsdsp.add_squares [OK]
- aacpsdsp.mul_pair_single [OK]
- aacpsdsp.hybrid_analysis [OK]
- aacpsdsp.stereo_interpolate [OK]
checkasm: all 5 tests passed
nop: 10.0
ps_add_squares_c: 63221.2
ps_add_squares_neon: 22311.7
ps_hybrid_analysis_c: 2466.6
ps_hybrid_analysis_neon: 1521.9
ps_mul_pair_single_c: 68592.0
ps_mul_pair_single_neon: 17426.6
ps_stereo_interpolate_c: 72344.3
ps_stereo_interpolate_neon: 72308.8
ps_stereo_interpolate_ipdopd_c: 117415.2
ps_stereo_interpolate_ipdopd_neon: 113386.3
2017-06-28 12:22:39 +02:00
Clément Bœsch
9bbb0fbd31
lavc/aacpsdsp: fix a few spaces (cosmetics)
2017-06-28 12:22:39 +02:00
James Almer
9dcaae70f2
x86/aacpsdsp: add SSE and SSE3 optimized functions
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Between 1.5 and 2.5 times faster
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
2015-07-30 19:01:15 -03:00
Djordje Pesut
5fd81cf6f0
avcodec: Implementation of AAC_fixed_decoder (PS-module)
...
Add fixed point implementation.
Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-07-22 21:51:28 +02:00
