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avfilter/x86/vf_eq: add SSE2 version 

Signed-off-by: Ting Fu <ting.fu@intel.com>
This commit is contained in:
Ting Fu 2019-09-18 15:05:35 +08:00 committed by Ruiling Song
parent 6aff2042d6
commit 4f589d668e
2 changed files with 29 additions and 2 deletions
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12
libavfilter/x86/vf_eq.asm
View File

@ -24,7 +24,7 @@
SECTION .text
INIT_MMX mmxext
%macro PROCESS_ONE_LINE 1
cglobal process_one_line, 5, 7, 5, src, dst, contrast, brightness, w
movd m3, contrastd
movd m4, brightnessd
@ -39,7 +39,7 @@ cglobal process_one_line, 5, 7, 5, src, dst, contrast, brightness, w
pxor m1, m1
mov scalard, wd
and scalard, mmsize-1
sar wd, 3
sar wd, %1
cmp wd, 1
jl .loop1
@ -80,3 +80,11 @@ cglobal process_one_line, 5, 7, 5, src, dst, contrast, brightness, w
.end:
RET
%endmacro
INIT_MMX mmxext
PROCESS_ONE_LINE 3
INIT_XMM sse2
PROCESS_ONE_LINE 4

19
libavfilter/x86/vf_eq_init.c
View File

@ -28,6 +28,8 @@
extern void ff_process_one_line_mmxext(const uint8_t *src, uint8_t *dst, short contrast,
short brightness, int w);
extern void ff_process_one_line_sse2(const uint8_t *src, uint8_t *dst, short contrast,
short brightness, int w);
static void process_mmxext(EQParameters *param, uint8_t *dst, int dst_stride,
const uint8_t *src, int src_stride, int w, int h)
@ -44,6 +46,20 @@ static void process_mmxext(EQParameters *param, uint8_t *dst, int dst_stride,
emms_c();
}
static void process_sse2(EQParameters *param, uint8_t *dst, int dst_stride,
const uint8_t *src, int src_stride, int w, int h)
{
short contrast = (short) (param->contrast * 256 * 16);
short brightness = ((short) (100.0 * param->brightness + 100.0) * 511)
/ 200 - 128 - contrast / 32;
while (h--) {
ff_process_one_line_sse2(src, dst, contrast, brightness, w);
src += src_stride;
dst += dst_stride;
}
}
av_cold void ff_eq_init_x86(EQContext *eq)
{
int cpu_flags = av_get_cpu_flags();
@ -51,4 +67,7 @@ av_cold void ff_eq_init_x86(EQContext *eq)
if (cpu_flags & AV_CPU_FLAG_MMXEXT) {
eq->process = process_mmxext;
}
if (cpu_flags & AV_CPU_FLAG_SSE2) {
eq->process = process_sse2;
}
}