b3192c64b5
avcodec/jpeg2000dsp: Fix integer overflows in ict_int()
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Fixes: signed integer overflow: 46802 * -71230 cannot be represented in type 'int'
Fixes: 4756/clusterfuzz-testcase-minimized-4812495563784192
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2018-01-08 18:57:22 +01:00
2d025e7428
avcodec/jpeg2000dsp: Fix multiple integer overflows in ict_int()
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Fixes: runtime error: signed integer overflow: 22553 * -188962 cannot be represented in type 'int'
Fixes: 3042/clusterfuzz-testcase-minimized-5174210131394560
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2017-09-11 12:28:23 +02:00
c746f92a8e
avcodec/jpeg2000dsp: Reorder operations in ict_int() to avoid 2 integer overflows
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Fixes: runtime error: signed integer overflow: 58065 * 51981 cannot be represented in type 'int'
Fixes: 2271/clusterfuzz-testcase-minimized-5778297776504832
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2017-06-17 22:36:54 +02:00
7912a6830d
avcodec/jpeg200dsp: add ff_ict_float_{sse,avx}
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Original intrinsics version by Nicolas Bertrand.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at >
Signed-off-by: James Almer <jamrial@gmail.com >
2015-06-13 16:53:27 -03:00
c9f2ec8a34
jpeg2000: split off inverse MCT decoding as Jpeg2000DSP
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This makes the addition of arch optimized functions easier.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at >
Signed-off-by: James Almer <jamrial@gmail.com >
2014-10-02 03:21:45 -03:00
