From 08e12b2240512ee953175341269c2f54822e7890 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A5ns=20Rullg=C3=A5rd?= Date: Sat, 4 Apr 2009 20:18:58 +0000 Subject: ARM: NEON optimised add_pixels_clamped Based on patch by David Conrad. Originally committed as revision 18332 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/arm/dsputil_neon.c | 4 ++++ libavcodec/arm/dsputil_neon_s.S | 45 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) (limited to 'libavcodec') diff --git a/libavcodec/arm/dsputil_neon.c b/libavcodec/arm/dsputil_neon.c index e18a487fb7..2e563084eb 100644 --- a/libavcodec/arm/dsputil_neon.c +++ b/libavcodec/arm/dsputil_neon.c @@ -41,6 +41,8 @@ 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_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, AVCodecContext *avctx) 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; diff --git a/libavcodec/arm/dsputil_neon_s.S b/libavcodec/arm/dsputil_neon_s.S index 3b39d2e75e..c305210126 100644 --- a/libavcodec/arm/dsputil_neon_s.S +++ b/libavcodec/arm/dsputil_neon_s.S @@ -273,6 +273,51 @@ 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_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]! -- cgit v1.2.3