[Libav-user] avcodec_decode_video2 crash with HEVC and get_buffer2
zaulan at gmail.com
Tue Mar 22 09:41:51 CET 2016
2016-03-11 16:23 GMT+03:00 Hendrik Leppkes <h.leppkes at gmail.com>:
> On Fri, Mar 11, 2016 at 2:11 PM, Никита Скиба <zaulan at gmail.com> wrote:
> > Program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread 4764.0x268c]
> > 0x000007fecdd455bf in ff_hevc_transform_add32_8_avx2 ()
> > from C:\Program
> > (gdb) bt
> > #0 0x000007fecdd455bf in ff_hevc_transform_add32_8_avx2 ()
> Since it crashes in AVX2 code, you should verify that your memory
> buffers are properly 32-byte aligned.
> The code you originally posted does not show where the memory is
> allocated, so if the allocations are not aligned on a 32-byte
> boundary, it could cause segfaults in AVX2.
> - Hendrik
Thanks a lot!
Implementing correct 32-byte align to allocated memory had fixed the
problem with HEVC crash.
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