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9 Commits

Author SHA1 Message Date
Michael Niedermayer
eefb68c9c3 avcodec/sbrdsp_fixed: Fix undefined overflows in autocorrelate() 
Fixes: runtime error: signed integer overflow: 8903997421129740175 + 354481484684609529 cannot be represented in type 'long'
Fixes: 2045/clusterfuzz-testcase-minimized-6751255865065472

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 19:40:23 +02:00
Michael Niedermayer
2061de8a3f avcodec/sbrdsp_fixed: Fix integer overflow in sbr_hf_apply_noise() 
Fixes: runtime error: signed integer overflow: -2049425300 + -117591631 cannot be represented in type 'int'
Fixes: part of 2096/clusterfuzz-testcase-minimized-4901566068817920

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-07-08 23:45:41 +02:00
Michael Niedermayer
d549f026d8 avcodec/sbrdsp_fixed: Return an error from sbr_hf_apply_noise() if operations are impossible 
Fixes: 1775/clusterfuzz-testcase-minimized-5330288148217856

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-13 17:39:13 +02:00
Michael Niedermayer
b315a3cf42 avcodec/sbrdsp_fixed: Fix assertion failure in sbr_sum_square_c() 
This also increases the range of input values supported as well as
decreasing the operation dependencies in the main loop, improving
speed on modern CPUs.

Fixes part of: 2045/clusterfuzz-testcase-minimized-6751255865065472

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-04 23:41:35 +02:00
Michael Niedermayer
384508b2ff avcodec/sbrdsp_fixed: fix runtime error: left shift of 1 by 31 places cannot be represented in type 'int' 
Fixes: part of 1709/clusterfuzz-testcase-minimized-4513580554649600

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-21 02:31:45 +02:00
Michael Niedermayer
2ccd2c9003 avcodec/aacsbr_fixed: Fix multiple runtime error: left shift of negative value -407 
Fixes: 1674/clusterfuzz-testcase-minimized-6092531563495424
Fixes: 1686/clusterfuzz-testcase-minimized-6282691643179008

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-19 13:14:12 +02:00
Michael Niedermayer
ad2296ab3a avcodec/aacdec_fixed: Fix various integer overflows 
Fixes: 1377/clusterfuzz-testcase-minimized-5487049807233024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-11 13:02:12 +02:00
Andreas Cadhalpun
a9c20e922c sbrdsp_fixed: assert that input values are in the valid range 
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
 2015-12-11 00:04:04 +01:00
Djordje Pesut
f85bc147fb avcodec: Implementation of AAC_fixed_decoder (SBR-module) 
Add fixed poind code.

Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-07-20 17:20:16 +02:00