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Commit Graph

7 Commits

Author SHA1 Message Date
Michael Niedermayer
0ef8f03133 avcodec/aacdec_template: Fix undefined integer overflow in apply_tns()
Fixes: runtime error: signed integer overflow: -2147483648 - 1202286525 cannot be represented in type 'int'
Fixes: 2071/clusterfuzz-testcase-minimized-6036414271586304

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-07-16 01:07:27 +02:00
Michael Niedermayer
872bac8159 avcodec/aac_defines: Add missing () to AAC_HALF_SUM() macro
Fixes: runtime error: shift exponent 1073741848 is too large for 32-bit type 'INTFLOAT' (aka 'int')
Fixes: 1880/clusterfuzz-testcase-minimized-4900645322620928

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-05-28 21:20:28 +02:00
Michael Niedermayer
c3547dcbc3 avcodec/aac_defines: Fix: runtime error: left shift of negative value -2
Fixes: 1716/clusterfuzz-testcase-minimized-4691012196761600

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 02:56:47 +02:00
Marton Balint
67bef4cffa avcodec/aactab: do not use floats for constants
This may improve the precision of the fixed point encoder/decoder for some
compilers and architectures.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Marton Balint <cus@passwd.hu>
2016-03-15 00:47:38 +01:00
Ganesh Ajjanagadde
5472de5ca8 avcodec/aac_defines: replace #define by typedef
See e.g https://stackoverflow.com/questions/1666353/are-typedef-and-define-the-same-in-c
for rationale.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
2015-11-24 20:36:40 -05:00
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
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