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9 commits

Author SHA1 Message Date
Michael Niedermayer
fd0da0eef0 avcodec/aacsbr_fixed: Check shift in sbr_hf_assemble() 
Fixes: runtime error: shift exponent -10 is negative

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 d1992448d3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-16 00:46:34 +02:00
Michael Niedermayer
88fabd8016 avcodec/aacsbr_fixed: Fix multiple runtime error: shift exponent 170 is too large for 32-bit 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>
(cherry picked from commit 6310fc714d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-05 23:16:54 +02:00
Michael Niedermayer
3ecff1b7e5 avcodec/aacsbr_fixed: Fix multiple runtime error: shift exponent 150 is too large for 32-bit type 'int' 
Fixes: 1681/clusterfuzz-testcase-minimized-5970545365483520

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3fb104f447)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-05-20 03:41:34 +02:00
Andreas Cadhalpun
46f83b059b aacsbr_fixed: check for envelope scalefactors overflowing 
This prevents various values from getting an insanely huge exponent.
If someone knows a cleaner solution, thats welcome!

This is similar to commit 8978c74 for aacsbr.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 0e36a14a42)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-11-12 00:43:01 +01:00
Michael Niedermayer
8364d607ac avcodec/aacsbr_fixed: Try to initialize sum[0..1] differently to fix build with VS2012 
Found-by: Hendrik Leppkes <h.leppkes@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8a024f6a43)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-11-12 00:42:43 +01:00
Michael Niedermayer
21e42d9b0d avcodec/aacsbr: Use FLOAT_0 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dcf1cf5d24)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-11-12 00:42:35 +01:00
Timothy Gu
e10ef3289d aacsbr_fixed: Make fixed_{exp,log}_table static const 2015-08-22 08:36:20 -07:00
Ganesh Ajjanagadde
c3052c9e8a avcodec/aacsbr_fixed: remove unused variable 
Fixes -Wunused-const-variable from
http://fate.ffmpeg.org/report.cgi?time=20150820031140&slot=arm64-darwin-clang-apple-5.1

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2015-08-20 21:23:51 +02:00
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