diff --git a/libavfilter/x86/vf_exposure.asm
b/libavfilter/x86/vf_exposure.asm
new file mode 100644
index 0000000000..3351c6fb3b
--- /dev/null
+++ b/libavfilter/x86/vf_exposure.asm
@@ -0,0 +1,55 @@
+;*****************************************************************************
+;* x86-optimized functions for exposure filter
+;*
+;* This file is part of FFmpeg.
+;*
+;* FFmpeg is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
+;*
+;* FFmpeg is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;* Lesser General Public License for more details.
+;*
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION .text
+
+;*******************************************************************************
+; void ff_exposure(float *ptr, int length, float black, float scale);
+;*******************************************************************************
+%macro EXPOSURE 0
+cglobal exposure, 2, 2, 4, ptr, length, black, scale
+ movsxdifnidn lengthq, lengthd
+%if WIN64
+ VBROADCASTSS m0, xmm2
+ VBROADCASTSS m1, xmm3
+%else
+ VBROADCASTSS m0, xmm0
+ VBROADCASTSS m1, xmm1
+%endif
+
+.loop:
+ movu m2, [ptrq]
+ subps m2, m2, m0
+ mulps m2, m2, m1
+ movu [ptrq], m2
+ add ptrq, mmsize
+ sub lengthq, mmsize/4
+
+ jg .loop
+
+ RET
+%endmacro
+
+%if ARCH_X86_64
