From cc2e555420c947e7238e8b808b7e15b1823185b5 Mon Sep 17 00:00:00 2001
From: David Conrad <lessen42@gmail.com>
Date: Sat, 4 Apr 2009 21:02:48 +0000
Subject: [PATCH] ARM: NEON optimized put_signed_pixels_clamped
Originally committed as revision 18333 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/arm/dsputil_neon.c | 2 ++
libavcodec/arm/dsputil_neon_s.S | 37 +++++++++++++++++++++++++++++++++
2 files changed, 39 insertions(+)
diff --git a/libavcodec/arm/dsputil_neon.c b/libavcodec/arm/dsputil_neon.c
index 2e563084eb9..37425a31f98 100644
--- a/libavcodec/arm/dsputil_neon.c
+++ b/libavcodec/arm/dsputil_neon.c
@@ -42,6 +42,7 @@ void ff_put_pixels8_xy2_no_rnd_neon(uint8_t *, const uint8_t *, int, int);
void ff_avg_pixels16_neon(uint8_t *, const uint8_t *, int, int);
void ff_add_pixels_clamped_neon(const DCTELEM *, uint8_t *, int);
+void ff_put_signed_pixels_clamped_neon(const DCTELEM *, uint8_t *, int);
void ff_put_h264_qpel16_mc00_neon(uint8_t *, uint8_t *, int);
void ff_put_h264_qpel16_mc10_neon(uint8_t *, uint8_t *, int);
@@ -179,6 +180,7 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c->avg_pixels_tab[0][0] = ff_avg_pixels16_neon;
c->add_pixels_clamped = ff_add_pixels_clamped_neon;
+ c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon;
c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon;
c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon;
diff --git a/libavcodec/arm/dsputil_neon_s.S b/libavcodec/arm/dsputil_neon_s.S
index c3052101261..5b957174274 100644
--- a/libavcodec/arm/dsputil_neon_s.S
+++ b/libavcodec/arm/dsputil_neon_s.S
@@ -273,6 +273,43 @@ function ff_put_h264_qpel8_mc00_neon, export=1
pixfunc2 put_ pixels8_y2, _no_rnd, vhadd.u8
pixfunc2 put_ pixels8_xy2, _no_rnd, vshrn.u16, 1
+function ff_put_signed_pixels_clamped_neon, export=1
+ vmov.u8 d31, #128
+ vld1.64 {d16-d17}, [r0,:128]!
+ vqmovn.s16 d0, q8
+ vld1.64 {d18-d19}, [r0,:128]!
+ vqmovn.s16 d1, q9
+ vld1.64 {d16-d17}, [r0,:128]!
+ vqmovn.s16 d2, q8
+ vld1.64 {d18-d19}, [r0,:128]!
+ vadd.u8 d0, d0, d31
+ vld1.64 {d20-d21}, [r0,:128]!
+ vadd.u8 d1, d1, d31
+ vld1.64 {d22-d23}, [r0,:128]!
+ vadd.u8 d2, d2, d31
+ vst1.64 {d0}, [r1,:64], r2
+ vqmovn.s16 d3, q9
+ vst1.64 {d1}, [r1,:64], r2
+ vqmovn.s16 d4, q10
+ vst1.64 {d2}, [r1,:64], r2
+ vqmovn.s16 d5, q11
+ vld1.64 {d24-d25}, [r0,:128]!
+ vadd.u8 d3, d3, d31
+ vld1.64 {d26-d27}, [r0,:128]!
+ vadd.u8 d4, d4, d31
+ vadd.u8 d5, d5, d31
+ vst1.64 {d3}, [r1,:64], r2
+ vqmovn.s16 d6, q12
+ vst1.64 {d4}, [r1,:64], r2
+ vqmovn.s16 d7, q13
+ vst1.64 {d5}, [r1,:64], r2
+ vadd.u8 d6, d6, d31
+ vadd.u8 d7, d7, d31
+ vst1.64 {d6}, [r1,:64], r2
+ vst1.64 {d7}, [r1,:64], r2
+ bx lr
+ .endfunc
+
function ff_add_pixels_clamped_neon, export=1
mov r3, r1
vld1.64 {d16}, [r1,:64], r2
--
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