chrRangeFromJpeg8_1920_c: 3874.8 ( 1.00x)
chrRangeFromJpeg8_1920_sse2: 1493.8 ( 2.59x)
chrRangeFromJpeg8_1920_avx2: 741.8 ( 5.22x)
chrRangeToJpeg8_1920_c: 5232.8 ( 1.00x)
chrRangeToJpeg8_1920_sse2: 1673.3 ( 3.13x)
chrRangeToJpeg8_1920_avx2: 850.6 ( 6.15x)
lumRangeFromJpeg8_1920_c: 2416.3 ( 1.00x)
lumRangeFromJpeg8_1920_sse2: 760.1 ( 3.18x)
lumRangeFromJpeg8_1920_avx2: 379.6 ( 6.37x)
lumRangeToJpeg8_1920_c: 3121.1 ( 1.00x)
lumRangeToJpeg8_1920_sse2: 870.1 ( 3.59x)
lumRangeToJpeg8_1920_avx2: 434.8 ( 7.18x)
---
libswscale/x86/range_convert.asm | 112 ++++++++++++++++++-------------
libswscale/x86/swscale.c | 14 ++--
2 files changed, 73 insertions(+), 53 deletions(-)
diff --git a/libswscale/x86/range_convert.asm b/libswscale/x86/range_convert.asm
index 97c7525448..d1aff63d7c 100644
--- a/libswscale/x86/range_convert.asm
+++ b/libswscale/x86/range_convert.asm
@@ -20,55 +20,53 @@
%include "libavutil/x86/x86util.asm"
-SECTION_RODATA
-
-chr_to_mult: times 4 dw 4663, 0
-chr_to_offset: times 4 dd -9289992
-%define chr_to_shift 12
-
-chr_from_mult: times 4 dw 1799, 0
-chr_from_offset: times 4 dd 4081085
-%define chr_from_shift 11
-
-lum_to_mult: times 4 dw 19077, 0
-lum_to_offset: times 4 dd -39057361
-%define lum_to_shift 14
-
-lum_from_mult: times 4 dw 14071, 0
-lum_from_offset: times 4 dd 33561947
-%define lum_from_shift 14
-
SECTION .text
-; NOTE: there is no need to clamp the input when converting to jpeg range
-; (like we do in the C code) because packssdw will saturate the output.
-
;-----------------------------------------------------------------------------
; lumConvertRange
;
-; void ff_lumRangeToJpeg_<opt>(int16_t *dst, int width);
-; void ff_lumRangeFromJpeg_<opt>(int16_t *dst, int width);
+; void ff_lumRangeToJpeg_<opt>(int16_t *dst, int width,
+; int amax, int coeff, int64_t offset);
+; void ff_lumRangeFromJpeg_<opt>(int16_t *dst, int width,
+; int amax, int coeff, int64_t offset);
;
;-----------------------------------------------------------------------------
-%macro LUMCONVERTRANGE 4
-cglobal %1, 2, 2, 5, dst, width
+%macro LUMCONVERTRANGE 1
+%ifidni %1,To
+cglobal lumRange%1Jpeg, 5, 5, 6, dst, width, amax, coeff, offset
+%else
+cglobal lumRange%1Jpeg, 5, 5, 5, dst, width, amax, coeff, offset
+%endif
shl widthd, 1
- VBROADCASTI128 m2, [%2]
- VBROADCASTI128 m3, [%3]
+ movd xm2, coeffd
+ VBROADCASTSS m2, xm2
+%if ARCH_X86_64
+ movq xm3, offsetq
+%else
+ movq xm3, offsetm
+%endif
+ VBROADCASTSS m3, xm3
pxor m4, m4
+%ifidni %1,To
+ movd xm5, amaxd
+ SPLATW m5, xm5
+%endif
add dstq, widthq
neg widthq
.loop:
movu m0, [dstq+widthq]
+%ifidni %1,To
+ pminsw m0, m5
+%endif
punpckhwd m1, m0, m4
punpcklwd m0, m4
pmaddwd m0, m2
pmaddwd m1, m2
paddd m0, m3
paddd m1, m3
- psrad m0, %4
- psrad m1, %4
+ psrad m0, 14
+ psrad m1, 14
packssdw m0, m1
movu [dstq+widthq], m0
add widthq, mmsize
@@ -79,23 +77,43 @@ cglobal %1, 2, 2, 5, dst, width
;-----------------------------------------------------------------------------
; chrConvertRange
;
-; void ff_chrRangeToJpeg_<opt>(int16_t *dstU, int16_t *dstV, int width);
-; void ff_chrRangeFromJpeg_<opt>(int16_t *dstU, int16_t *dstV, int width);
+; void ff_chrRangeToJpeg_<opt>(int16_t *dstU, int16_t *dstV, int width,
+; int amax, int coeff, int64_t offset);
+; void ff_chrRangeFromJpeg_<opt>(int16_t *dstU, int16_t *dstV, int width,
+; int amax, int coeff, int64_t offset);
;
;-----------------------------------------------------------------------------
-%macro CHRCONVERTRANGE 4
-cglobal %1, 3, 3, 7, dstU, dstV, width
+%macro CHRCONVERTRANGE 1
+%ifidni %1,To
+cglobal chrRange%1Jpeg, 6, 6, 8, dstU, dstV, width, amax, coeff, offset
+%else
+cglobal chrRange%1Jpeg, 6, 6, 7, dstU, dstV, width, amax, coeff, offset
+%endif
shl widthd, 1
- VBROADCASTI128 m4, [%2]
- VBROADCASTI128 m5, [%3]
+ movd xm4, coeffd
+ VBROADCASTSS m4, xm4
+%if ARCH_X86_64
+ movq xm5, offsetq
+%else
+ movq xm5, offsetm
+%endif
+ VBROADCASTSS m5, xm5
pxor m6, m6
+%ifidni %1,To
+ movd xm7, amaxd
+ SPLATW m7, xm7
+%endif
add dstUq, widthq
add dstVq, widthq
neg widthq
.loop:
movu m0, [dstUq+widthq]
movu m2, [dstVq+widthq]
+%ifidni %1,To
+ pminsw m0, m7
+ pminsw m2, m7
+%endif
punpckhwd m1, m0, m6
punpckhwd m3, m2, m6
punpcklwd m0, m6
@@ -108,10 +126,10 @@ cglobal %1, 3, 3, 7, dstU, dstV, width
paddd m1, m5
paddd m2, m5
paddd m3, m5
- psrad m0, %4
- psrad m1, %4
- psrad m2, %4
- psrad m3, %4
+ psrad m0, 14
+ psrad m1, 14
+ psrad m2, 14
+ psrad m3, 14
packssdw m0, m1
packssdw m2, m3
movu [dstUq+widthq], m0
@@ -122,15 +140,15 @@ cglobal %1, 3, 3, 7, dstU, dstV, width
%endmacro
INIT_XMM sse2
-LUMCONVERTRANGE lumRangeToJpeg, lum_to_mult, lum_to_offset, lum_to_shift
-CHRCONVERTRANGE chrRangeToJpeg, chr_to_mult, chr_to_offset, chr_to_shift
-LUMCONVERTRANGE lumRangeFromJpeg, lum_from_mult, lum_from_offset,
lum_from_shift
-CHRCONVERTRANGE chrRangeFromJpeg, chr_from_mult, chr_from_offset,
chr_from_shift
+LUMCONVERTRANGE To
+CHRCONVERTRANGE To
+LUMCONVERTRANGE From
+CHRCONVERTRANGE From
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
-LUMCONVERTRANGE lumRangeToJpeg, lum_to_mult, lum_to_offset, lum_to_shift
-CHRCONVERTRANGE chrRangeToJpeg, chr_to_mult, chr_to_offset, chr_to_shift
-LUMCONVERTRANGE lumRangeFromJpeg, lum_from_mult, lum_from_offset,
lum_from_shift
-CHRCONVERTRANGE chrRangeFromJpeg, chr_from_mult, chr_from_offset,
chr_from_shift
+LUMCONVERTRANGE To
+CHRCONVERTRANGE To
+LUMCONVERTRANGE From
+CHRCONVERTRANGE From
%endif
diff --git a/libswscale/x86/swscale.c b/libswscale/x86/swscale.c
index d55e45471f..2377365e91 100644
--- a/libswscale/x86/swscale.c
+++ b/libswscale/x86/swscale.c
@@ -464,24 +464,26 @@ INPUT_PLANAR_RGB_A_ALL_DECL(avx2);
} while (0)
#define RANGE_CONVERT_FUNCS_DECL(opt) \
-void ff_lumRangeFromJpeg_ ##opt(int16_t *dst, int width); \
-void ff_chrRangeFromJpeg_ ##opt(int16_t *dstU, int16_t *dstV, int width); \
-void ff_lumRangeToJpeg_ ##opt(int16_t *dst, int width); \
-void ff_chrRangeToJpeg_ ##opt(int16_t *dstU, int16_t *dstV, int width); \
+void ff_lumRangeFromJpeg_ ##opt(int16_t *dst, int width, \
+ int amax, int coeff, int64_t offset); \
+void ff_chrRangeFromJpeg_ ##opt(int16_t *dstU, int16_t *dstV, int width, \
+ int amax, int coeff, int64_t offset); \
+void ff_lumRangeToJpeg_ ##opt(int16_t *dst, int width, \
+ int amax, int coeff, int64_t offset); \
+void ff_chrRangeToJpeg_ ##opt(int16_t *dstU, int16_t *dstV, int width, \
+ int amax, int coeff, int64_t offset); \
RANGE_CONVERT_FUNCS_DECL(sse2);
RANGE_CONVERT_FUNCS_DECL(avx2);
av_cold void ff_sws_init_range_convert_x86(SwsContext *c)
{
-#if 0
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_AVX2_FAST(cpu_flags)) {
RANGE_CONVERT_FUNCS(avx2);
} else if (EXTERNAL_SSE2(cpu_flags)) {
RANGE_CONVERT_FUNCS(sse2);
}
-#endif
}
av_cold void ff_sws_init_swscale_x86(SwsContext *c)
--
2.30.2
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