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/*
* Copyright (c) 2008 Mans Rullgard <[email protected]>
*
* 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 "config_components.h"
#include "libavutil/arm/asm.S"
/* chroma_mc8(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h, int x, int y) */
.macro h264_chroma_mc8 type, codec=h264
function ff_\type\()_\codec\()_chroma_mc8_neon, export=1
push {r4-r7, lr}
ldrd r4, r5, [sp, #20]
.ifc \type,avg
mov lr, r0
.endif
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
.ifc \codec,vc1
vmov.u16 q11, #28
.endif
A muls r7, r4, r5
T mul r7, r4, r5
T cmp r7, #0
rsb r6, r7, r5, lsl #3
rsb r12, r7, r4, lsl #3
sub r4, r7, r4, lsl #3
sub r4, r4, r5, lsl #3
add r4, r4, #64
beq 2f
vdup.8 d0, r4
vdup.8 d1, r12
vld1.8 {d4, d5}, [r1], r2
vdup.8 d2, r6
vdup.8 d3, r7
vext.8 d5, d4, d5, #1
1: vld1.8 {d6, d7}, [r1], r2
vmull.u8 q8, d4, d0
vmlal.u8 q8, d5, d1
vext.8 d7, d6, d7, #1
vld1.8 {d4, d5}, [r1], r2
vmlal.u8 q8, d6, d2
pld [r1]
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
pld [r1, r2]
.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
vrhadd.u8 q8, q8, q10
.endif
vst1.8 {d16}, [r0,:64], r2
vst1.8 {d17}, [r0,:64], r2
bgt 1b
pop {r4-r7, pc}
2: adds r12, r12, r6
vdup.8 d0, r4
beq 5f
tst r6, r6
vdup.8 d1, r12
beq 4f
vld1.8 {d4}, [r1], r2
3: vld1.8 {d6}, [r1], r2
vmull.u8 q8, d4, d0
vmlal.u8 q8, d6, d1
vld1.8 {d4}, [r1], r2
vmull.u8 q9, d6, d0
vmlal.u8 q9, d4, d1
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
pld [r1, r2]
.ifc \type,avg
vld1.8 {d20}, [lr,:64], r2
vld1.8 {d21}, [lr,:64], r2
vrhadd.u8 q8, q8, q10
.endif
subs r3, r3, #2
vst1.8 {d16}, [r0,:64], r2
vst1.8 {d17}, [r0,:64], r2
bgt 3b
pop {r4-r7, pc}
4: vld1.8 {d4, d5}, [r1], r2
vld1.8 {d6, d7}, [r1], r2
vext.8 d5, d4, d5, #1
vext.8 d7, d6, d7, #1
pld [r1]
subs r3, r3, #2
vmull.u8 q8, d4, d0
vmlal.u8 q8, d5, d1
vmull.u8 q9, d6, d0
vmlal.u8 q9, d7, d1
pld [r1, r2]
.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
vrhadd.u8 q8, q8, q10
.endif
vst1.8 {d16}, [r0,:64], r2
vst1.8 {d17}, [r0,:64], r2
bgt 4b
pop {r4-r7, pc}
5: vld1.8 {d4}, [r1], r2
vld1.8 {d5}, [r1], r2
pld [r1]
subs r3, r3, #2
vmull.u8 q8, d4, d0
vmull.u8 q9, d5, d0
pld [r1, r2]
.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
vrhadd.u8 q8, q8, q10
.endif
vst1.8 {d16}, [r0,:64], r2
vst1.8 {d17}, [r0,:64], r2
bgt 5b
pop {r4-r7, pc}
endfunc
.endm
/* chroma_mc4(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h, int x, int y) */
.macro h264_chroma_mc4 type, codec=h264
function ff_\type\()_\codec\()_chroma_mc4_neon, export=1
push {r4-r7, lr}
ldrd r4, r5, [sp, #20]
.ifc \type,avg
mov lr, r0
.endif
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
.ifc \codec,vc1
vmov.u16 q11, #28
.endif
A muls r7, r4, r5
T mul r7, r4, r5
T cmp r7, #0
rsb r6, r7, r5, lsl #3
rsb r12, r7, r4, lsl #3
sub r4, r7, r4, lsl #3
sub r4, r4, r5, lsl #3
add r4, r4, #64
beq 2f
vdup.8 d0, r4
vdup.8 d1, r12
vld1.8 {d4}, [r1], r2
vdup.8 d2, r6
vdup.8 d3, r7
vext.8 d5, d4, d5, #1
vtrn.32 d4, d5
vtrn.32 d0, d1
vtrn.32 d2, d3
1: vld1.8 {d6}, [r1], r2
vext.8 d7, d6, d7, #1
vtrn.32 d6, d7
vmull.u8 q8, d4, d0
vmlal.u8 q8, d6, d2
vld1.8 {d4}, [r1], r2
vext.8 d5, d4, d5, #1
vtrn.32 d4, d5
pld [r1]
vmull.u8 q9, d6, d0
vmlal.u8 q9, d4, d2
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, r2]
.ifc \type,avg
vld1.32 {d20[0]}, [lr,:32], r2
vld1.32 {d20[1]}, [lr,:32], r2
vrhadd.u8 d16, d16, d20
.endif
vst1.32 {d16[0]}, [r0,:32], r2
vst1.32 {d16[1]}, [r0,:32], r2
bgt 1b
pop {r4-r7, pc}
2: adds r12, r12, r6
vdup.8 d0, r4
beq 5f
tst r6, r6
vdup.8 d1, r12
vtrn.32 d0, d1
beq 4f
vext.32 d1, d0, d1, #1
vld1.32 {d4[0]}, [r1], r2
3: vld1.32 {d4[1]}, [r1], r2
vmull.u8 q8, d4, d0
vld1.32 {d4[0]}, [r1], r2
vmull.u8 q9, d4, d1
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
vrhadd.u8 d16, d16, d20
.endif
subs r3, r3, #2
pld [r1, r2]
vst1.32 {d16[0]}, [r0,:32], r2
vst1.32 {d16[1]}, [r0,:32], r2
bgt 3b
pop {r4-r7, pc}
4: vld1.8 {d4}, [r1], r2
vld1.8 {d6}, [r1], r2
vext.8 d5, d4, d5, #1
vext.8 d7, d6, d7, #1
vtrn.32 d4, d5
vtrn.32 d6, d7
vmull.u8 q8, d4, d0
vmull.u8 q9, d6, d0
subs r3, r3, #2
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
vrhadd.u8 d16, d16, d20
.endif
pld [r1]
vst1.32 {d16[0]}, [r0,:32], r2
vst1.32 {d16[1]}, [r0,:32], r2
bgt 4b
pop {r4-r7, pc}
5: vld1.32 {d4[0]}, [r1], r2
vld1.32 {d4[1]}, [r1], r2
vmull.u8 q8, d4, d0
subs r3, r3, #2
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
vrhadd.u8 d16, d16, d20
.endif
pld [r1]
vst1.32 {d16[0]}, [r0,:32], r2
vst1.32 {d16[1]}, [r0,:32], r2
bgt 5b
pop {r4-r7, pc}
endfunc
.endm
.macro h264_chroma_mc2 type
function ff_\type\()_h264_chroma_mc2_neon, export=1
push {r4-r6, lr}
ldr r4, [sp, #16]
ldr lr, [sp, #20]
pld [r1]
pld [r1, r2]
orrs r5, r4, lr
beq 2f
mul r5, r4, lr
rsb r6, r5, lr, lsl #3
rsb r12, r5, r4, lsl #3
sub r4, r5, r4, lsl #3
sub r4, r4, lr, lsl #3
add r4, r4, #64
vdup.8 d0, r4
vdup.8 d2, r12
vdup.8 d1, r6
vdup.8 d3, r5
vtrn.16 q0, q1
1:
vld1.32 {d4[0]}, [r1], r2
vld1.32 {d4[1]}, [r1], r2
vrev64.32 d5, d4
vld1.32 {d5[1]}, [r1]
vext.8 q3, q2, q2, #1
vtrn.16 q2, q3
vmull.u8 q8, d4, d0
vmlal.u8 q8, d5, d1
.ifc \type,avg
vld1.16 {d18[0]}, [r0,:16], r2
vld1.16 {d18[1]}, [r0,:16]
sub r0, r0, r2
.endif
vtrn.32 d16, d17
vadd.i16 d16, d16, d17
vrshrn.u16 d16, q8, #6
.ifc \type,avg
vrhadd.u8 d16, d16, d18
.endif
vst1.16 {d16[0]}, [r0,:16], r2
vst1.16 {d16[1]}, [r0,:16], r2
subs r3, r3, #2
bgt 1b
pop {r4-r6, pc}
2:
.ifc \type,put
ldrh_post r5, r1, r2
strh_post r5, r0, r2
ldrh_post r6, r1, r2
strh_post r6, r0, r2
.else
vld1.16 {d16[0]}, [r1], r2
vld1.16 {d16[1]}, [r1], r2
vld1.16 {d18[0]}, [r0,:16], r2
vld1.16 {d18[1]}, [r0,:16]
sub r0, r0, r2
vrhadd.u8 d16, d16, d18
vst1.16 {d16[0]}, [r0,:16], r2
vst1.16 {d16[1]}, [r0,:16], r2
.endif
subs r3, r3, #2
bgt 2b
pop {r4-r6, pc}
endfunc
.endm
h264_chroma_mc8 put
h264_chroma_mc8 avg
h264_chroma_mc4 put
h264_chroma_mc4 avg
h264_chroma_mc2 put
h264_chroma_mc2 avg
#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
#if CONFIG_VC1DSP
h264_chroma_mc8 put, vc1
h264_chroma_mc8 avg, vc1
h264_chroma_mc4 put, vc1
h264_chroma_mc4 avg, vc1
#endif
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