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rv40: NEON optimised chroma MC 

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Janne Grunau 2011-12-05 21:18:05 +00:00 committed by Mans Rullgard
parent f054a82727
commit f5c05b9aa5
5 changed files with 118 additions and 5 deletions
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2
libavcodec/arm/Makefile
View File

@ -68,6 +68,8 @@ NEON-OBJS-$(CONFIG_RV30_DECODER) += arm/rv34dsp_init_neon.o \
NEON-OBJS-$(CONFIG_RV40_DECODER) += arm/rv34dsp_init_neon.o \
arm/rv34dsp_neon.o \
arm/rv40dsp_init_neon.o \
arm/h264cmc_neon.o \
NEON-OBJS-$(CONFIG_VP3_DECODER) += arm/vp3dsp_neon.o

80
libavcodec/arm/h264cmc_neon.S
View File

@ -21,8 +21,8 @@
#include "asm.S"
/* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
.macro h264_chroma_mc8 type
function ff_\type\()_h264_chroma_mc8_neon, export=1
.macro h264_chroma_mc8 type, codec=h264
function ff_\type\()_\codec\()_chroma_mc8_neon, export=1
push {r4-r7, lr}
ldrd r4, [sp, #20]
.ifc \type,avg
@ -31,6 +31,15 @@ function ff_\type\()_h264_chroma_mc8_neon, export=1
pld [r1]
pld [r1, r2]
.ifc \codec,rv40
movrel r6, rv40bias
lsr r7, r5, #1
add r6, r6, r7, lsl #3
lsr r7, r4, #1
add r6, r6, r7, lsl #1
vld1.16 {d22[],d23[]}, [r6,:16]
.endif
A muls r7, r4, r5
T mul r7, r4, r5
T cmp r7, #0
@ -67,10 +76,17 @@ T cmp r7, #0
vmlal.u8 q9, d7, d1
vmlal.u8 q9, d4, d2
vmlal.u8 q9, d5, d3
vrshrn.u16 d16, q8, #6
vld1.8 {d6, d7}, [r5], r4
pld [r1]
.ifc \codec,h264
vrshrn.u16 d16, q8, #6
vrshrn.u16 d17, q9, #6
.else
vadd.u16 q8, q8, q11
vadd.u16 q9, q9, q11
vshrn.u16 d16, q8, #6
vshrn.u16 d17, q9, #6
.endif
.ifc \type,avg
vld1.8 {d20}, [lr,:64], r2
vld1.8 {d21}, [lr,:64], r2
@ -102,8 +118,15 @@ T cmp r7, #0
vmull.u8 q9, d6, d0
vmlal.u8 q9, d4, d1
vld1.8 {d6}, [r5], r4
.ifc \codec,h264
vrshrn.u16 d16, q8, #6
vrshrn.u16 d17, q9, #6
.else
vadd.u16 q8, q8, q11
vadd.u16 q9, q9, q11
vshrn.u16 d16, q8, #6
vshrn.u16 d17, q9, #6
.endif
.ifc \type,avg
vld1.8 {d20}, [lr,:64], r2
vld1.8 {d21}, [lr,:64], r2
@ -131,8 +154,15 @@ T cmp r7, #0
vmlal.u8 q9, d7, d1
pld [r1]
vext.8 d5, d4, d5, #1
.ifc \codec,h264
vrshrn.u16 d16, q8, #6
vrshrn.u16 d17, q9, #6
.else
vadd.u16 q8, q8, q11
vadd.u16 q9, q9, q11
vshrn.u16 d16, q8, #6
vshrn.u16 d17, q9, #6
.endif
.ifc \type,avg
vld1.8 {d20}, [lr,:64], r2
vld1.8 {d21}, [lr,:64], r2
@ -149,8 +179,8 @@ endfunc
.endm
/* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */
.macro h264_chroma_mc4 type
function ff_\type\()_h264_chroma_mc4_neon, export=1
.macro h264_chroma_mc4 type, codec=h264
function ff_\type\()_\codec\()_chroma_mc4_neon, export=1
push {r4-r7, lr}
ldrd r4, [sp, #20]
.ifc \type,avg
@ -159,6 +189,15 @@ function ff_\type\()_h264_chroma_mc4_neon, export=1
pld [r1]
pld [r1, r2]
.ifc \codec,rv40
movrel r6, rv40bias
lsr r7, r5, #1
add r6, r6, r7, lsl #3
lsr r7, r4, #1
add r6, r6, r7, lsl #1
vld1.16 {d22[],d23[]}, [r6,:16]
.endif
A muls r7, r4, r5
T mul r7, r4, r5
T cmp r7, #0
@ -199,7 +238,12 @@ T cmp r7, #0
vld1.8 {d6}, [r5], r4
vadd.i16 d16, d16, d17
vadd.i16 d17, d18, d19
.ifc \codec,h264
vrshrn.u16 d16, q8, #6
.else
vadd.u16 q8, q8, q11
vshrn.u16 d16, q8, #6
.endif
subs r3, r3, #2
pld [r1]
.ifc \type,avg
@ -236,7 +280,12 @@ T cmp r7, #0
vld1.32 {d4[1]}, [r5], r4
vadd.i16 d16, d16, d17
vadd.i16 d17, d18, d19
.ifc \codec,h264
vrshrn.u16 d16, q8, #6
.else
vadd.u16 q8, q8, q11
vshrn.u16 d16, q8, #6
.endif
.ifc \type,avg
vld1.32 {d20[0]}, [lr,:32], r2
vld1.32 {d20[1]}, [lr,:32], r2
@ -266,7 +315,12 @@ T cmp r7, #0
vadd.i16 d16, d16, d17
vadd.i16 d17, d18, d19
pld [r1]
.ifc \codec,h264
vrshrn.u16 d16, q8, #6
.else
vadd.u16 q8, q8, q11
vshrn.u16 d16, q8, #6
.endif
.ifc \type,avg
vld1.32 {d20[0]}, [lr,:32], r2
vld1.32 {d20[1]}, [lr,:32], r2
@ -352,9 +406,25 @@ function ff_\type\()_h264_chroma_mc2_neon, export=1
endfunc
.endm
#if CONFIG_H264_DECODER
h264_chroma_mc8 put
h264_chroma_mc8 avg
h264_chroma_mc4 put
h264_chroma_mc4 avg
h264_chroma_mc2 put
h264_chroma_mc2 avg
#endif
#if CONFIG_RV40_DECODER
const rv40bias
.short 0, 16, 32, 16
.short 32, 28, 32, 28
.short 0, 32, 16, 32
.short 32, 28, 32, 28
endconst
h264_chroma_mc8 put, rv40
h264_chroma_mc8 avg, rv40
h264_chroma_mc4 put, rv40
h264_chroma_mc4 avg, rv40
#endif

38
libavcodec/arm/rv40dsp_init_neon.c Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2011 Janne Grunau <janne-libav@jannau.net>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "libavcodec/avcodec.h"
#include "libavcodec/rv34dsp.h"
void ff_put_rv40_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
void ff_put_rv40_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
void ff_avg_rv40_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
void ff_avg_rv40_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
void ff_rv40dsp_init_neon(RV34DSPContext *c, DSPContext* dsp)
{
c->put_chroma_pixels_tab[0] = ff_put_rv40_chroma_mc8_neon;
c->put_chroma_pixels_tab[1] = ff_put_rv40_chroma_mc4_neon;
c->avg_chroma_pixels_tab[0] = ff_avg_rv40_chroma_mc8_neon;
c->avg_chroma_pixels_tab[1] = ff_avg_rv40_chroma_mc4_neon;
}

1
libavcodec/rv34dsp.h
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@ -59,5 +59,6 @@ void ff_rv40dsp_init(RV34DSPContext *c, DSPContext* dsp);
void ff_rv34dsp_init_neon(RV34DSPContext *c, DSPContext *dsp);
void ff_rv40dsp_init_x86(RV34DSPContext *c, DSPContext *dsp);
void ff_rv40dsp_init_neon(RV34DSPContext *c, DSPContext *dsp);
#endif /* AVCODEC_RV34DSP_H */

2
libavcodec/rv40dsp.c
View File

@ -534,4 +534,6 @@ av_cold void ff_rv40dsp_init(RV34DSPContext *c, DSPContext* dsp) {
if (HAVE_MMX)
ff_rv40dsp_init_x86(c, dsp);
if (HAVE_NEON)
ff_rv40dsp_init_neon(c, dsp);
}