Clément Bœsch 2d66fc543b lavfi/gradfun: fix rounding in MMX code. ...

Current code divides before increasing precision.

Also reduce upper bound for strength from 255 to 64.  This will prevent
an overflow in the SSSE3 and MMX filter_line code: delta is expressed as
an u16 being shifted by 2 to the left. If it overflows, having a
strength not above 64 will make sure that m is set to 0 (making the
m*m*delta >> 14 expression void).

A value above 64 should not make any sense unless gradfun is used as
a blur filter.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

2013-03-28 07:59:04 +01:00

..

af_volume_init.c

x86: af_volume: add SSE2/SSSE3/AVX-optimized s32 volume scaling

2012-12-05 11:23:37 -05:00

af_volume.asm

x86: af_volume: add SSE2/SSSE3/AVX-optimized s32 volume scaling

2012-12-05 11:23:37 -05:00

Makefile

avfilter: x86: consistent filenames for filter optimizations

2013-02-04 15:00:47 +01:00

vf_gradfun.c

lavfi/gradfun: fix rounding in MMX code.

2013-03-28 07:59:04 +01:00

vf_hqdn3d_init.c

vf_hqdn3d: x86: Add proper arch optimization initialization

2013-02-01 13:11:45 +01:00

vf_hqdn3d.asm

hqdn3d: Fix out of array read in LOWPASS

2013-03-13 09:14:59 +01:00

vf_yadif_init.c

vf_yadif: fix out-of line reads

2013-02-15 16:08:33 +01:00

vf_yadif.asm

avfilter: x86: consistent filenames for filter optimizations

2013-02-04 15:00:47 +01:00