2017-12-14 21:33 GMT+01:00 Thomas Mundt <tmund...@gmail.com>:

> Hi,
>
> 2017-12-14 17:01 GMT+01:00 Martin Vignali <martin.vign...@gmail.com>:
>
> > Hello,
> >
> >
> > in attach patch to fix crash using this command line
> > ./ffmpeg -f lavfi -i testsrc=s=hd1080,format=yuv420p -vf
> > crop=1440:1080,interlace -f null -
> > (ticket 6491)
> >
> > Use unaligned load, to avoid crash
> >
>
> this changes the color planes when zscale filter is in front.
> Compare this command line output with and without your patch:
> ffmpeg -f lavfi -i testsrc=s=hd1080,format=yuv420p -vf
> zscale,interlace -c:v mpeg2video -t 5 test.mpg
>
>
>
> Doesn't change the result for me.

if i run your command line with and without the patch,
and test the framecrc of the mpg file (./ffmpeg -i ./test.mpg -f framecrc -)
, i have the same result :

0,          0,          0,        1,  3110400, 0x8505a4ea
0,          1,          1,        1,  3110400, 0xe351f524
0,          2,          2,        1,  3110400, 0x67acdc3d
0,          3,          3,        1,  3110400, 0x1ab92fcd
0,          4,          4,        1,  3110400, 0x708cc22c
0,          5,          5,        1,  3110400, 0x065dec04
0,          6,          6,        1,  3110400, 0xf96985f5
0,          7,          7,        1,  3110400, 0x206ac8b9
0,          8,          8,        1,  3110400, 0xfa4c0aa8
0,          9,          9,        1,  3110400, 0x38b1254d
0,         10,         10,        1,  3110400, 0x534efdbb
0,         11,         11,        1,  3110400, 0xe33be39a
0,         12,         12,        1,  3110400, 0xf5fa8725
0,         13,         13,        1,  3110400, 0x708e195a
0,         14,         14,        1,  3110400, 0xe3c22502
0,         15,         15,        1,  3110400, 0xd0eede2c
0,         16,         16,        1,  3110400, 0x6166c274
0,         17,         17,        1,  3110400, 0x15378a1c
0,         18,         18,        1,  3110400, 0xaaf84dd8
0,         19,         19,        1,  3110400, 0xdc96d60e
0,         20,         20,        1,  3110400, 0x64622f42
0,         21,         21,        1,  3110400, 0x9840d5a0
0,         22,         22,        1,  3110400, 0x43e41930
0,         23,         23,        1,  3110400, 0x41ee87dc
0,         24,         24,        1,  3110400, 0x1bc02d1f
0,         25,         25,        1,  3110400, 0x7b15626f
0,         26,         26,        1,  3110400, 0x75635104
0,         27,         27,        1,  3110400, 0x4459c3f2
0,         28,         28,        1,  3110400, 0x2f49c2ac
0,         29,         29,        1,  3110400, 0x80987927
0,         30,         30,        1,  3110400, 0x54dcd45e
0,         31,         31,        1,  3110400, 0x69788294
0,         32,         32,        1,  3110400, 0xab3032c0
0,         33,         33,        1,  3110400, 0x8b21c117
0,         34,         34,        1,  3110400, 0x5bd8a422
0,         35,         35,        1,  3110400, 0x8d0c2815
0,         36,         36,        1,  3110400, 0xb87110e0
0,         37,         37,        1,  3110400, 0x6fb7344d
0,         38,         38,        1,  3110400, 0x187a42e5
0,         39,         39,        1,  3110400, 0xfd904944
0,         40,         40,        1,  3110400, 0x49e48c3a
0,         41,         41,        1,  3110400, 0x2b6382f4
0,         42,         42,        1,  3110400, 0xc981115a
0,         43,         43,        1,  3110400, 0xdc724670
0,         44,         44,        1,  3110400, 0xb3e3eb4d
0,         45,         45,        1,  3110400, 0x530dda42
0,         46,         46,        1,  3110400, 0xe9891a5c
0,         47,         47,        1,  3110400, 0xab7c66c1
0,         48,         48,        1,  3110400, 0x55e1d487
0,         49,         49,        1,  3110400, 0xb16c5105
0,         50,         50,        1,  3110400, 0x30732e77
0,         51,         51,        1,  3110400, 0x8688d07a
0,         52,         52,        1,  3110400, 0x660a8e1e
0,         53,         53,        1,  3110400, 0xa7da321c
0,         54,         54,        1,  3110400, 0x600c5bb2
0,         55,         55,        1,  3110400, 0xa17feaae
0,         56,         56,        1,  3110400, 0xef73c1f7
0,         57,         57,        1,  3110400, 0xa03d2a2f
0,         58,         58,        1,  3110400, 0x3590442b
0,         59,         59,        1,  3110400, 0xb2fb7fe5
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