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Linshizhi
ffmpeg.wasm-core
Commits
f331cec4
Commit
f331cec4
authored
Sep 26, 2009
by
Måns Rullgård
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ARM: NEON optimised vector_clipf
Originally committed as revision 20031 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
0a07e9d0
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-0
dsputil_neon.c
libavcodec/arm/dsputil_neon.c
+4
-0
dsputil_neon_s.S
libavcodec/arm/dsputil_neon_s.S
+26
-0
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libavcodec/arm/dsputil_neon.c
View file @
f331cec4
...
...
@@ -174,6 +174,8 @@ void ff_int32_to_float_fmul_scalar_neon(float *dst, const int *src,
void
ff_vector_fmul_reverse_neon
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
int
len
);
void
ff_vector_clipf_neon
(
float
*
dst
,
const
float
*
src
,
float
min
,
float
max
,
int
len
);
void
ff_float_to_int16_neon
(
int16_t
*
,
const
float
*
,
long
);
void
ff_float_to_int16_interleave_neon
(
int16_t
*
,
const
float
**
,
long
,
int
);
...
...
@@ -297,6 +299,8 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c
->
sv_fmul_scalar
[
0
]
=
ff_sv_fmul_scalar_2_neon
;
c
->
sv_fmul_scalar
[
1
]
=
ff_sv_fmul_scalar_4_neon
;
c
->
vector_clipf
=
ff_vector_clipf_neon
;
if
(
!
(
avctx
->
flags
&
CODEC_FLAG_BITEXACT
))
{
c
->
float_to_int16
=
ff_float_to_int16_neon
;
c
->
float_to_int16_interleave
=
ff_float_to_int16_interleave_neon
;
...
...
libavcodec/arm/dsputil_neon_s.S
View file @
f331cec4
...
...
@@ -1075,3 +1075,29 @@ function ff_vector_fmul_reverse_neon, export=1
2: vst1.32 {q8-q9}, [r0,:128]!
bx lr
.endfunc
function ff_vector_clipf_neon, export=1
VFP vdup.32 q1, d0[1]
VFP vdup.32 q0, d0[0]
NOVFP vdup.32 q0, r2
NOVFP vdup.32 q1, r3
NOVFP ldr r2, [sp]
vld1.f32 {q2},[r1,:128]!
vmin.f32 q10, q2, q1
vld1.f32 {q3},[r1,:128]!
vmin.f32 q11, q3, q1
1: vmax.f32 q8, q10, q0
vmax.f32 q9, q11, q0
subs r2, r2, #8
beq 2f
vld1.f32 {q2},[r1,:128]!
vmin.f32 q10, q2, q1
vld1.f32 {q3},[r1,:128]!
vmin.f32 q11, q3, q1
vst1.f32 {q8},[r0,:128]!
vst1.f32 {q9},[r0,:128]!
b 1b
2: vst1.f32 {q8},[r0,:128]!
vst1.f32 {q9},[r0,:128]!
bx lr
.endfunc
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