related to ticket 6491 (crash using crop and vf_interlace)

in attach patch to fix crash when data are unaligned, with low_pass_complex
(the previous patch, fix crash, for low_pass_simple filtering)

Can be test with
For 8 bits
./ffmpeg -f lavfi -i testsrc=s=hd1080,format=yuv420p -vf
crop=1440:1080,interlace=lowpass=2 -f null -

For > 8 bits :
./ffmpeg -f lavfi -i testsrc=s=hd1080,format=yuv420p10le -vf
crop=1442:1080,interlace=lowpass=2 -f null -

i use m2 as temp xmm, in order to make an unaligned load (m2 is not use in
the last part of the loop, and overide at the start of the loop)

and in complex_12bits filtering
i use m4, for the same reason


Attachment: 0004-avfilter-x86-vf_interlace-avfilter-x86-vf_interlace-.patch
Description: Binary data

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