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* avcodec/alacdsp: fix integer overflow in decorrelate_stereo()Michael Niedermayer2021-12-17
| | | | | | | | | Fixes: signed integer overflow: -16777216 * 131 cannot be represented in type 'int' Fixes: 23835/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5669943160078336 Fixes: 41101/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-4636330705944576 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* avcodec/alacdsp: Fix invalid shift in append_extra_bits()Michael Niedermayer2020-05-02
| | | | | | | | Fixes: left shift of negative value -1 Fixes: 21390/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-6242539519868928 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* x86/alacdsp: add simd optimized functionsJames Almer2015-10-06
| | | | Signed-off-by: James Almer <jamrial@gmail.com>
* avcodec/alacdec: split off decorrelate_stereo and append_extra_bits as alacdspJames Almer2015-10-04
Reviewed-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: James Almer <jamrial@gmail.com>
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