aarch64 A55:
chrRangeFromJpeg8_1920_c: 28839.3 ( 1.00x)
chrRangeFromJpeg8_1920_neon: 5312.2 ( 5.43x) 5309.9 ( 5.43x)
chrRangeToJpeg8_1920_c: 44196.1 ( 1.00x)
chrRangeToJpeg8_1920_neon: 6035.9 ( 7.32x) 5550.8 ( 7.96x)
lumRangeFromJpeg8_1920_c: 15384.3 ( 1.00x)
lumRangeFromJpeg8_1920_neon: 3148.6 ( 4.89x) 3148.1 ( 4.89x)
lumRangeToJpeg8_1920_c: 23066.7 ( 1.00x)
lumRangeToJpeg8_1920_neon: 3868.8 ( 5.96x) 3624.9 ( 6.36x)
aarch64 A76:
chrRangeFromJpeg8_1920_c: 6316.2 ( 1.00x)
chrRangeFromJpeg8_1920_neon: 2263.5 ( 2.79x) 2343.8 ( 2.69x)
chrRangeToJpeg8_1920_c: 11389.3 ( 1.00x)
chrRangeToJpeg8_1920_neon: 2644.2 ( 4.31x) 2823.8 ( 4.03x)
lumRangeFromJpeg8_1920_c: 4376.0 ( 1.00x)
lumRangeFromJpeg8_1920_neon: 1110.8 ( 3.94x) 1105.8 ( 3.96x)
lumRangeToJpeg8_1920_c: 6667.0 ( 1.00x)
lumRangeToJpeg8_1920_neon: 1327.5 ( 5.02x) 1331.0 ( 5.01x)
---
libswscale/aarch64/range_convert_neon.S | 39 ++++++++++++-------------
libswscale/aarch64/swscale.c | 5 ----
2 files changed, 18 insertions(+), 26 deletions(-)
diff --git a/libswscale/aarch64/range_convert_neon.S
b/libswscale/aarch64/range_convert_neon.S
index 30991ab2a6..2f418adb24 100644
--- a/libswscale/aarch64/range_convert_neon.S
+++ b/libswscale/aarch64/range_convert_neon.S
@@ -20,12 +20,8 @@
#include "libavutil/aarch64/asm.S"
-.macro lumConvertRange name, max, mult, offset, shift
+.macro lumConvertRange name, fromto, mult, offset, shift
function ff_\name, export=1
-.if \max != 0
- mov w3, #\max
- dup v24.8h, w3
-.endif
mov w3, #\mult
dup v25.4s, w3
movz w3, #(\offset & 0xffff)
@@ -33,17 +29,19 @@ function ff_\name, export=1
dup v26.4s, w3
1:
ld1 {v0.8h}, [x0]
-.if \max != 0
- smin v0.8h, v0.8h, v24.8h
-.endif
mov v16.16b, v26.16b
mov v18.16b, v26.16b
sxtl v20.4s, v0.4h
sxtl2 v22.4s, v0.8h
mla v16.4s, v20.4s, v25.4s
mla v18.4s, v22.4s, v25.4s
+.ifc \fromto, To
+ sqshrn v0.4h, v16.4s, #\shift
+ sqshrn2 v0.8h, v18.4s, #\shift
+.else
shrn v0.4h, v16.4s, #\shift
shrn2 v0.8h, v18.4s, #\shift
+.endif
subs w1, w1, #8
st1 {v0.8h}, [x0], #16
b.gt 1b
@@ -51,12 +49,8 @@ function ff_\name, export=1
endfunc
.endm
-.macro chrConvertRange name, max, mult, offset, shift
+.macro chrConvertRange name, fromto, mult, offset, shift
function ff_\name, export=1
-.if \max != 0
- mov w3, #\max
- dup v24.8h, w3
-.endif
mov w3, #\mult
dup v25.4s, w3
movz w3, #(\offset & 0xffff)
@@ -65,10 +59,6 @@ function ff_\name, export=1
1:
ld1 {v0.8h}, [x0]
ld1 {v1.8h}, [x1]
-.if \max != 0
- smin v0.8h, v0.8h, v24.8h
- smin v1.8h, v1.8h, v24.8h
-.endif
mov v16.16b, v26.16b
mov v17.16b, v26.16b
mov v18.16b, v26.16b
@@ -81,10 +71,17 @@ function ff_\name, export=1
mla v17.4s, v21.4s, v25.4s
mla v18.4s, v22.4s, v25.4s
mla v19.4s, v23.4s, v25.4s
+.ifc \fromto, To
+ sqshrn v0.4h, v16.4s, #\shift
+ sqshrn v1.4h, v17.4s, #\shift
+ sqshrn2 v0.8h, v18.4s, #\shift
+ sqshrn2 v1.8h, v19.4s, #\shift
+.else
shrn v0.4h, v16.4s, #\shift
shrn v1.4h, v17.4s, #\shift
shrn2 v0.8h, v18.4s, #\shift
shrn2 v1.8h, v19.4s, #\shift
+.endif
subs w2, w2, #8
st1 {v0.8h}, [x0], #16
st1 {v1.8h}, [x1], #16
@@ -93,7 +90,7 @@ function ff_\name, export=1
endfunc
.endm
-lumConvertRange lumRangeToJpeg_neon, 30189, 19077, -39057361, 14
-chrConvertRange chrRangeToJpeg_neon, 30775, 4663, -9289992, 12
-lumConvertRange lumRangeFromJpeg_neon, 0, 14071, 33561947, 14
-chrConvertRange chrRangeFromJpeg_neon, 0, 1799, 4081085, 11
+lumConvertRange lumRangeToJpeg_neon, To, 19077, -39057361, 14
+chrConvertRange chrRangeToJpeg_neon, To, 4663, -9289992, 12
+lumConvertRange lumRangeFromJpeg_neon, From, 14071, 33561947, 14
+chrConvertRange chrRangeFromJpeg_neon, From, 1799, 4081085, 11
diff --git a/libswscale/aarch64/swscale.c b/libswscale/aarch64/swscale.c
index 94059cec51..653144dbca 100644
--- a/libswscale/aarch64/swscale.c
+++ b/libswscale/aarch64/swscale.c
@@ -225,10 +225,6 @@ void ff_chrRangeToJpeg_neon(int16_t *dstU, int16_t *dstV,
int width);
av_cold void ff_sws_init_range_convert_aarch64(SwsContext *c)
{
- /* This code is currently disabled because of changes in the base
- * implementation of these functions. This code should be enabled
- * again once those changes are ported to this architecture. */
-#if 0
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags)) {
@@ -242,7 +238,6 @@ av_cold void ff_sws_init_range_convert_aarch64(SwsContext
*c)
}
}
}
-#endif
}
av_cold void ff_sws_init_swscale_aarch64(SwsContext *c)
--
2.30.2
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