[FFmpeg-cvslog] r18332 - in trunk/libavcodec/arm: dsputil_neon.c dsputil_neon_s.S
mru
subversion
Sat Apr 4 22:18:58 CEST 2009
Author: mru
Date: Sat Apr 4 22:18:58 2009
New Revision: 18332
Log:
ARM: NEON optimised add_pixels_clamped
Based on patch by David Conrad.
Modified:
trunk/libavcodec/arm/dsputil_neon.c
trunk/libavcodec/arm/dsputil_neon_s.S
Modified: trunk/libavcodec/arm/dsputil_neon.c
==============================================================================
--- trunk/libavcodec/arm/dsputil_neon.c Sat Apr 4 18:27:54 2009 (r18331)
+++ trunk/libavcodec/arm/dsputil_neon.c Sat Apr 4 22:18:58 2009 (r18332)
@@ -41,6 +41,8 @@ void ff_put_pixels8_xy2_no_rnd_neon(uint
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_h264_qpel16_mc00_neon(uint8_t *, uint8_t *, int);
void ff_put_h264_qpel16_mc10_neon(uint8_t *, uint8_t *, int);
void ff_put_h264_qpel16_mc20_neon(uint8_t *, uint8_t *, int);
@@ -176,6 +178,8 @@ void ff_dsputil_init_neon(DSPContext *c,
c->avg_pixels_tab[0][0] = ff_avg_pixels16_neon;
+ c->add_pixels_clamped = ff_add_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;
Modified: trunk/libavcodec/arm/dsputil_neon_s.S
==============================================================================
--- trunk/libavcodec/arm/dsputil_neon_s.S Sat Apr 4 18:27:54 2009 (r18331)
+++ trunk/libavcodec/arm/dsputil_neon_s.S Sat Apr 4 22:18:58 2009 (r18332)
@@ -273,6 +273,51 @@ function ff_put_h264_qpel8_mc00_neon, ex
pixfunc2 put_ pixels8_y2, _no_rnd, vhadd.u8
pixfunc2 put_ pixels8_xy2, _no_rnd, vshrn.u16, 1
+function ff_add_pixels_clamped_neon, export=1
+ mov r3, r1
+ vld1.64 {d16}, [r1,:64], r2
+ vld1.64 {d0-d1}, [r0,:128]!
+ vaddw.u8 q0, q0, d16
+ vld1.64 {d17}, [r1,:64], r2
+ vld1.64 {d2-d3}, [r0,:128]!
+ vqmovun.s16 d0, q0
+ vld1.64 {d18}, [r1,:64], r2
+ vaddw.u8 q1, q1, d17
+ vld1.64 {d4-d5}, [r0,:128]!
+ vaddw.u8 q2, q2, d18
+ vst1.64 {d0}, [r3,:64], r2
+ vqmovun.s16 d2, q1
+ vld1.64 {d19}, [r1,:64], r2
+ vld1.64 {d6-d7}, [r0,:128]!
+ vaddw.u8 q3, q3, d19
+ vqmovun.s16 d4, q2
+ vst1.64 {d2}, [r3,:64], r2
+ vld1.64 {d16}, [r1,:64], r2
+ vqmovun.s16 d6, q3
+ vld1.64 {d0-d1}, [r0,:128]!
+ vaddw.u8 q0, q0, d16
+ vst1.64 {d4}, [r3,:64], r2
+ vld1.64 {d17}, [r1,:64], r2
+ vld1.64 {d2-d3}, [r0,:128]!
+ vaddw.u8 q1, q1, d17
+ vst1.64 {d6}, [r3,:64], r2
+ vqmovun.s16 d0, q0
+ vld1.64 {d18}, [r1,:64], r2
+ vld1.64 {d4-d5}, [r0,:128]!
+ vaddw.u8 q2, q2, d18
+ vst1.64 {d0}, [r3,:64], r2
+ vqmovun.s16 d2, q1
+ vld1.64 {d19}, [r1,:64], r2
+ vqmovun.s16 d4, q2
+ vld1.64 {d6-d7}, [r0,:128]!
+ vaddw.u8 q3, q3, d19
+ vst1.64 {d2}, [r3,:64], r2
+ vqmovun.s16 d6, q3
+ vst1.64 {d4}, [r3,:64], r2
+ vst1.64 {d6}, [r3,:64], r2
+ bx lr
+ .endfunc
+
function ff_float_to_int16_neon, export=1
subs r2, r2, #8
vld1.64 {d0-d1}, [r1,:128]!
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