From 1cce897aadc05beff4c7ef904ac014d699c231f8 Mon Sep 17 00:00:00 2001 From: Måns Rullgård Date: Mon, 15 Dec 2008 22:12:41 +0000 Subject: ARM: NEON optimised {put,avg}_h264_chroma_mc[48] Originally committed as revision 16147 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/Makefile | 1 + libavcodec/armv4l/dsputil_neon.c | 12 ++ libavcodec/armv4l/h264dsp_neon.S | 298 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 311 insertions(+) create mode 100644 libavcodec/armv4l/h264dsp_neon.S diff --git a/libavcodec/Makefile b/libavcodec/Makefile index b5937f0e36..645b361551 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -450,6 +450,7 @@ OBJS-$(HAVE_IWMMXT) += armv4l/dsputil_iwmmxt.o \ OBJS-$(HAVE_NEON) += armv4l/dsputil_neon.o \ armv4l/dsputil_neon_s.o \ + armv4l/h264dsp_neon.o \ armv4l/simple_idct_neon.o \ OBJS-$(ARCH_BFIN) += bfin/dsputil_bfin.o \ diff --git a/libavcodec/armv4l/dsputil_neon.c b/libavcodec/armv4l/dsputil_neon.c index 09943b1545..a5e241ae42 100644 --- a/libavcodec/armv4l/dsputil_neon.c +++ b/libavcodec/armv4l/dsputil_neon.c @@ -46,6 +46,12 @@ void ff_put_h264_qpel8_mc00_neon(uint8_t *, uint8_t *, int); void ff_avg_h264_qpel16_mc00_neon(uint8_t *, uint8_t *, int); +void ff_put_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int); +void ff_put_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int); + +void ff_avg_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int); +void ff_avg_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int); + void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx) { c->put_pixels_tab[0][0] = ff_put_pixels16_neon; @@ -68,6 +74,12 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx) c->avg_pixels_tab[0][0] = ff_avg_pixels16_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; + + c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_neon; + c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_neon; + c->put_h264_qpel_pixels_tab[0][0] = ff_put_h264_qpel16_mc00_neon; c->put_h264_qpel_pixels_tab[1][0] = ff_put_h264_qpel8_mc00_neon; diff --git a/libavcodec/armv4l/h264dsp_neon.S b/libavcodec/armv4l/h264dsp_neon.S new file mode 100644 index 0000000000..ca32770590 --- /dev/null +++ b/libavcodec/armv4l/h264dsp_neon.S @@ -0,0 +1,298 @@ +/* + * Copyright (c) 2008 Mans Rullgard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "asm.S" + + .fpu neon + +/* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ + .macro h264_chroma_mc8 avg=0 + push {r4-r7, lr} + ldrd r4, [sp, #20] +.if \avg + mov lr, r0 +.endif + pld [r1] + pld [r1, r2] + + muls r7, r4, r5 + rsb r6, r7, r5, lsl #3 + rsb ip, r7, r4, lsl #3 + sub r4, r7, r4, lsl #3 + sub r4, r4, r5, lsl #3 + add r4, r4, #64 + + beq 2f + + add r5, r1, r2 + + vdup.8 d0, r4 + lsl r4, r2, #1 + vdup.8 d1, ip + vld1.64 {d4, d5}, [r1], r4 + vdup.8 d2, r6 + vld1.64 {d6, d7}, [r5], r4 + vdup.8 d3, r7 + + vext.8 d5, d4, d5, #1 + vext.8 d7, d6, d7, #1 + +1: pld [r5] + vmull.u8 q8, d4, d0 + vmlal.u8 q8, d5, d1 + vld1.64 {d4, d5}, [r1], r4 + vmlal.u8 q8, d6, d2 + vext.8 d5, d4, d5, #1 + vmlal.u8 q8, d7, d3 + vmull.u8 q9, d6, d0 + subs r3, r3, #2 + vmlal.u8 q9, d7, d1 + vmlal.u8 q9, d4, d2 + vmlal.u8 q9, d5, d3 + vrshrn.u16 d16, q8, #6 + vld1.64 {d6, d7}, [r5], r4 + pld [r1] + vrshrn.u16 d17, q9, #6 +.if \avg + vld1.64 {d20}, [lr,:64], r2 + vld1.64 {d21}, [lr,:64], r2 + vrhadd.u8 q8, q8, q10 +.endif + vext.8 d7, d6, d7, #1 + vst1.64 {d16}, [r0,:64], r2 + vst1.64 {d17}, [r0,:64], r2 + bgt 1b + + pop {r4-r7, pc} + +2: tst r6, r6 + add ip, ip, r6 + vdup.8 d0, r4 + vdup.8 d1, ip + + beq 4f + + add r5, r1, r2 + lsl r4, r2, #1 + vld1.64 {d4}, [r1], r4 + vld1.64 {d6}, [r5], r4 + +3: pld [r5] + vmull.u8 q8, d4, d0 + vmlal.u8 q8, d6, d1 + vld1.64 {d4}, [r1], r4 + vmull.u8 q9, d6, d0 + vmlal.u8 q9, d4, d1 + vld1.64 {d6}, [r5], r4 + vrshrn.u16 d16, q8, #6 + vrshrn.u16 d17, q9, #6 +.if \avg + vld1.64 {d20}, [lr,:64], r2 + vld1.64 {d21}, [lr,:64], r2 + vrhadd.u8 q8, q8, q10 +.endif + subs r3, r3, #2 + pld [r1] + vst1.64 {d16}, [r0,:64], r2 + vst1.64 {d17}, [r0,:64], r2 + bgt 3b + + pop {r4-r7, pc} + +4: vld1.64 {d4, d5}, [r1], r2 + vld1.64 {d6, d7}, [r1], r2 + vext.8 d5, d4, d5, #1 + vext.8 d7, d6, d7, #1 + +5: pld [r1] + subs r3, r3, #2 + vmull.u8 q8, d4, d0 + vmlal.u8 q8, d5, d1 + vld1.64 {d4, d5}, [r1], r2 + vmull.u8 q9, d6, d0 + vmlal.u8 q9, d7, d1 + pld [r1] + vext.8 d5, d4, d5, #1 + vrshrn.u16 d16, q8, #6 + vrshrn.u16 d17, q9, #6 +.if \avg + vld1.64 {d20}, [lr,:64], r2 + vld1.64 {d21}, [lr,:64], r2 + vrhadd.u8 q8, q8, q10 +.endif + vld1.64 {d6, d7}, [r1], r2 + vext.8 d7, d6, d7, #1 + vst1.64 {d16}, [r0,:64], r2 + vst1.64 {d17}, [r0,:64], r2 + bgt 5b + + pop {r4-r7, pc} + .endm + +/* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ + .macro h264_chroma_mc4 avg=0 + push {r4-r7, lr} + ldrd r4, [sp, #20] +.if \avg + mov lr, r0 +.endif + pld [r1] + pld [r1, r2] + + muls r7, r4, r5 + rsb r6, r7, r5, lsl #3 + rsb ip, r7, r4, lsl #3 + sub r4, r7, r4, lsl #3 + sub r4, r4, r5, lsl #3 + add r4, r4, #64 + + beq 2f + + add r5, r1, r2 + + vdup.8 d0, r4 + lsl r4, r2, #1 + vdup.8 d1, ip + vld1.64 {d4}, [r1], r4 + vdup.8 d2, r6 + vld1.64 {d6}, [r5], r4 + vdup.8 d3, r7 + + vext.8 d5, d4, d5, #1 + vext.8 d7, d6, d7, #1 + vtrn.32 d4, d5 + vtrn.32 d6, d7 + + vtrn.32 d0, d1 + vtrn.32 d2, d3 + +1: pld [r5] + vmull.u8 q8, d4, d0 + vmlal.u8 q8, d6, d2 + vld1.64 {d4}, [r1], r4 + vext.8 d5, d4, d5, #1 + vtrn.32 d4, d5 + vmull.u8 q9, d6, d0 + vmlal.u8 q9, d4, d2 + vld1.64 {d6}, [r5], r4 + vadd.i16 d16, d16, d17 + vadd.i16 d17, d18, d19 + vrshrn.u16 d16, q8, #6 + subs r3, r3, #2 + pld [r1] +.if \avg + vld1.32 {d20[0]}, [lr,:32], r2 + vld1.32 {d20[1]}, [lr,:32], r2 + vrhadd.u8 d16, d16, d20 +.endif + vext.8 d7, d6, d7, #1 + vtrn.32 d6, d7 + vst1.32 {d16[0]}, [r0,:32], r2 + vst1.32 {d16[1]}, [r0,:32], r2 + bgt 1b + + pop {r4-r7, pc} + +2: tst r6, r6 + add ip, ip, r6 + vdup.8 d0, r4 + vdup.8 d1, ip + vtrn.32 d0, d1 + + beq 4f + + vext.32 d1, d0, d1, #1 + add r5, r1, r2 + lsl r4, r2, #1 + vld1.32 {d4[0]}, [r1], r4 + vld1.32 {d4[1]}, [r5], r4 + +3: pld [r5] + vmull.u8 q8, d4, d0 + vld1.32 {d4[0]}, [r1], r4 + vmull.u8 q9, d4, d1 + vld1.32 {d4[1]}, [r5], r4 + vadd.i16 d16, d16, d17 + vadd.i16 d17, d18, d19 + vrshrn.u16 d16, q8, #6 +.if \avg + vld1.32 {d20[0]}, [lr,:32], r2 + vld1.32 {d20[1]}, [lr,:32], r2 + vrhadd.u8 d16, d16, d20 +.endif + subs r3, r3, #2 + pld [r1] + vst1.32 {d16[0]}, [r0,:32], r2 + vst1.32 {d16[1]}, [r0,:32], r2 + bgt 3b + + pop {r4-r7, pc} + +4: vld1.64 {d4}, [r1], r2 + vld1.64 {d6}, [r1], r2 + vext.8 d5, d4, d5, #1 + vext.8 d7, d6, d7, #1 + vtrn.32 d4, d5 + vtrn.32 d6, d7 + +5: vmull.u8 q8, d4, d0 + vmull.u8 q9, d6, d0 + subs r3, r3, #2 + vld1.64 {d4}, [r1], r2 + vext.8 d5, d4, d5, #1 + vtrn.32 d4, d5 + vadd.i16 d16, d16, d17 + vadd.i16 d17, d18, d19 + pld [r1] + vrshrn.u16 d16, q8, #6 +.if \avg + vld1.32 {d20[0]}, [lr,:32], r2 + vld1.32 {d20[1]}, [lr,:32], r2 + vrhadd.u8 d16, d16, d20 +.endif + vld1.64 {d6}, [r1], r2 + vext.8 d7, d6, d7, #1 + vtrn.32 d6, d7 + pld [r1] + vst1.32 {d16[0]}, [r0,:32], r2 + vst1.32 {d16[1]}, [r0,:32], r2 + bgt 5b + + pop {r4-r7, pc} + .endm + + .text + .align + +function ff_put_h264_chroma_mc8_neon, export=1 + h264_chroma_mc8 + .endfunc + +function ff_avg_h264_chroma_mc8_neon, export=1 + h264_chroma_mc8 avg=1 + .endfunc + +function ff_put_h264_chroma_mc4_neon, export=1 + h264_chroma_mc4 + .endfunc + +function ff_avg_h264_chroma_mc4_neon, export=1 + h264_chroma_mc4 avg=1 + .endfunc -- cgit v1.2.3