Michael Niedermayer
7d1dec4668
avcodec/aacsbr_fixed: Fix division by zero in sbr_gain_calc()
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Fixes: 3642/clusterfuzz-testcase-minimized-5443853801750528
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-11-05 22:13:16 +01:00
Michael Niedermayer
4cc2a357f5
avcodec/aacsbr_fixed: Fix signed integer overflow in sbr_hf_inverse_filter()
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Fixes: runtime error: signed integer overflow: 2147483584 + 128 cannot be represented in type 'int'
Fixes: 2164/clusterfuzz-testcase-minimized-4715936172998656
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
d1992448d3
avcodec/aacsbr_fixed: Check shift in sbr_hf_assemble()
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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>
2017-06-13 17:39:13 +02:00
Michael Niedermayer
6310fc714d
avcodec/aacsbr_fixed: Fix multiple runtime error: shift exponent 170 is too large for 32-bit type 'int'
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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
3fb104f447
avcodec/aacsbr_fixed: Fix multiple runtime error: shift exponent 150 is too large for 32-bit type 'int'
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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>
2017-05-19 13:14:12 +02:00
Michael Niedermayer
2ccd2c9003
avcodec/aacsbr_fixed: Fix multiple runtime error: left shift of negative value -407
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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
b78885a3c5
avcodec/aacsbr: Split the env_facs table
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This also removes a #ifdef and special case for the fixed point case
Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-12-12 12:19:07 +01:00
Michael Niedermayer
8eadabf941
avcodec/aacsbr_fixed: Replace a noise_facs_q check by an av_assert0
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The replaced check should have become redundant
Found-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-11-20 03:46:43 +01:00
Michael Niedermayer
bfd0e02dd6
avcodec/aacsbr: Split pre dequantization noise factors table
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This allows removing a special case for the fixed point decoder and will
make error checks simpler
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-11-19 13:12:20 +01:00
Andreas Cadhalpun
0e36a14a42
aacsbr_fixed: check for envelope scalefactors overflowing
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This prevents various values from getting an insanely huge exponent.
If someone knows a cleaner solution, thats welcome!
This is similar to commit 8978c74
2015-11-11 21:49:51 +01:00
Michael Niedermayer
8a024f6a43
avcodec/aacsbr_fixed: Try to initialize sum[0..1] differently to fix build with VS2012
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Found-by: Hendrik Leppkes <h.leppkes@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-11-10 13:34:27 +01:00
Michael Niedermayer
dcf1cf5d24
avcodec/aacsbr: Use FLOAT_0
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-11-08 11:05:48 +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
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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)
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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
