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authorMans Rullgard <mans@mansr.com>2011-07-02 17:21:02 +0100
committerMans Rullgard <mans@mansr.com>2011-07-02 18:24:41 +0100
commit8aa63f0b31544a63e107c67c519d6ccd11c94810 (patch)
treed2acc97bb78d89a133fc5bcdbb7d6f00b79a5af6 /libavcodec/arm
parent8f440223f6cb2b557ea6e34ca4079fbe415ecb9d (diff)
downloadffmpeg-8aa63f0b31544a63e107c67c519d6ccd11c94810.tar.gz
ARM: NEON optimised vector_clip_int32()
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/arm')
-rw-r--r--libavcodec/arm/dsputil_init_neon.c3
-rw-r--r--libavcodec/arm/dsputil_neon.S16
2 files changed, 19 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_init_neon.c b/libavcodec/arm/dsputil_init_neon.c
index 3bc053c864..3f58dea9cd 100644
--- a/libavcodec/arm/dsputil_init_neon.c
+++ b/libavcodec/arm/dsputil_init_neon.c
@@ -160,6 +160,8 @@ void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1,
void ff_vector_clipf_neon(float *dst, const float *src, float min, float max,
int len);
+void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min,
+ int32_t max, unsigned int len);
void ff_vorbis_inverse_coupling_neon(float *mag, float *ang, int blocksize);
@@ -316,6 +318,7 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c->vector_fmul_reverse = ff_vector_fmul_reverse_neon;
c->vector_fmul_add = ff_vector_fmul_add_neon;
c->vector_clipf = ff_vector_clipf_neon;
+ c->vector_clip_int32 = ff_vector_clip_int32_neon;
c->vector_fmul_sv_scalar[0] = ff_vector_fmul_sv_scalar_2_neon;
c->vector_fmul_sv_scalar[1] = ff_vector_fmul_sv_scalar_4_neon;
diff --git a/libavcodec/arm/dsputil_neon.S b/libavcodec/arm/dsputil_neon.S
index 5e3bf27f67..3b9b542a68 100644
--- a/libavcodec/arm/dsputil_neon.S
+++ b/libavcodec/arm/dsputil_neon.S
@@ -815,3 +815,19 @@ function ff_apply_window_int16_neon, export=1
pop {r4,pc}
endfunc
+
+function ff_vector_clip_int32_neon, export=1
+ vdup.32 q0, r2
+ vdup.32 q1, r3
+ ldr r2, [sp]
+1:
+ vld1.32 {q2-q3}, [r1,:128]!
+ vmin.s32 q2, q2, q1
+ vmin.s32 q3, q3, q1
+ vmax.s32 q2, q2, q0
+ vmax.s32 q3, q3, q0
+ vst1.32 {q2-q3}, [r0,:128]!
+ subs r2, r2, #8
+ bgt 1b
+ bx lr
+endfunc