mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
b254490bda
Apply David Conrad's old patch to the modern codebase. http://ffmpeg.org/pipermail/ffmpeg-devel/2009-April/059877.html Signed-off-by: Martin Storsjö <martin@martin.st>
412 lines
12 KiB
ArmAsm
412 lines
12 KiB
ArmAsm
/*
|
|
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
|
|
*
|
|
* 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 "libavutil/arm/asm.S"
|
|
|
|
/* chroma_mc8(uint8_t *dst, uint8_t *src, int 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: tst r6, r6
|
|
add r12, r12, r6
|
|
vdup.8 d0, r4
|
|
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}
|
|
endfunc
|
|
.endm
|
|
|
|
/* chroma_mc4(uint8_t *dst, uint8_t *src, int 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: tst r6, r6
|
|
add r12, r12, r6
|
|
vdup.8 d0, r4
|
|
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}
|
|
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_VC1_DECODER
|
|
h264_chroma_mc8 put, vc1
|
|
h264_chroma_mc8 avg, vc1
|
|
h264_chroma_mc4 put, vc1
|
|
h264_chroma_mc4 avg, vc1
|
|
#endif
|