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path: root/libavcodec/lossless_audiodsp.c
AgeCommit message (Collapse)Author
2020-06-14avcodec/lossless_audiodsp: Fix undefined overflows in ↵Michael Niedermayer
scalarproduct_and_madd_int16_c() Fixes: signed integer overflow: 2142077091 + 6881070 cannot be represented in type 'int' Fixes: 22737/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5958388889681920 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-06-06avcodec/wmalosslessdec: Use unsigned operations for overflowing casesMichael Niedermayer
Fixes undefined behavior in fate-lossless-wma24-2 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-05-11lossless audio dsp: unrollChristophe Gisquet
The loops are guaranteed to be at least multiples of 8, so this unrolling is safe but allows exploiting execution ports. For int32 version: 68 -> 58c. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-05-01avcodec/wmalosslessdec: fix type for coeffs and lms_updates in cdlms structPaul B Mahol
They should really be int16_t. Signed-off-by: Paul B Mahol <onemda@gmail.com>
2016-04-13avcodec/wmalosslessdec: improve 24bit supportPaul B Mahol
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2014-06-05apedsp: move to llauddspChristophe Gisquet
APE is not the sole codec using scalarproduct_and_madd_int16. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
    generated by cgit v1.2.3 (git 2.25.1) at 2024-09-06 14:20:22 +0300