mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-23 15:53:08 +00:00
292 lines
6.7 KiB
ArmAsm
292 lines
6.7 KiB
ArmAsm
|
/*
|
||
|
|
* Copyright (C) 2013 Xiaolei Yu <dreifachstein@gmail.com>
|
||
|
|
*
|
||
|
|
* 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 "libavutil/arm/asm.S"
|
||
|
|
|
||
|
|
.macro alias name, tgt, set=1
|
||
|
|
.if \set != 0
|
||
|
|
\name .req \tgt
|
||
|
|
.else
|
||
|
|
.unreq \name
|
||
|
|
.endif
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.altmacro
|
||
|
|
|
||
|
|
.macro alias_dw_all qw, dw_l, dw_h
|
||
|
|
alias q\qw\()_l, d\dw_l
|
||
|
|
alias q\qw\()_h, d\dw_h
|
||
|
|
.if \qw < 15
|
||
|
|
alias_dw_all %(\qw + 1), %(\dw_l + 2), %(\dw_h + 2)
|
||
|
|
.endif
|
||
|
|
.endm
|
||
|
|
|
||
|
|
alias_dw_all 0, 0, 1
|
||
|
|
|
||
|
|
.noaltmacro
|
||
|
|
|
||
|
|
.macro alias_qw name, qw, set=1
|
||
|
|
alias \name\(), \qw, \set
|
||
|
|
alias \name\()_l, \qw\()_l, \set
|
||
|
|
alias \name\()_h, \qw\()_h, \set
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro prologue
|
||
|
|
push {r4-r12, lr}
|
||
|
|
vpush {q4-q7}
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro epilogue
|
||
|
|
vpop {q4-q7}
|
||
|
|
pop {r4-r12, pc}
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro load_arg reg, ix
|
||
|
|
ldr \reg, [sp, #((10 * 4 + 4 * 16) + (\ix - 4) * 4)]
|
||
|
|
.endm
|
||
|
|
|
||
|
|
|
||
|
|
/* ()_to_()_neon(const uint8_t *src, uint8_t *y, uint8_t *chroma
|
||
|
|
* int width, int height,
|
||
|
|
* int y_stride, int c_stride, int src_stride,
|
||
|
|
* int32_t coeff_table[9]);
|
||
|
|
*/
|
||
|
|
.macro alias_loop_420sp set=1
|
||
|
|
alias src, r0, \set
|
||
|
|
alias src0, src, \set
|
||
|
|
alias y, r1, \set
|
||
|
|
alias y0, y, \set
|
||
|
|
alias chroma, r2, \set
|
||
|
|
alias width, r3, \set
|
||
|
|
alias header, width, \set
|
||
|
|
|
||
|
|
alias height, r4, \set
|
||
|
|
alias y_stride, r5, \set
|
||
|
|
alias c_stride, r6, \set
|
||
|
|
alias c_padding, c_stride, \set
|
||
|
|
alias src_stride, r7, \set
|
||
|
|
|
||
|
|
alias y0_end, r8, \set
|
||
|
|
|
||
|
|
alias src_padding,r9, \set
|
||
|
|
alias y_padding, r10, \set
|
||
|
|
|
||
|
|
alias src1, r11, \set
|
||
|
|
alias y1, r12, \set
|
||
|
|
|
||
|
|
alias coeff_table,r12, \set
|
||
|
|
.endm
|
||
|
|
|
||
|
|
|
||
|
|
.macro loop_420sp s_fmt, d_fmt, init, kernel, precision
|
||
|
|
|
||
|
|
function \s_fmt\()_to_\d_fmt\()_neon_\precision, export=1
|
||
|
|
prologue
|
||
|
|
|
||
|
|
alias_loop_420sp
|
||
|
|
|
||
|
|
load_arg height, 4
|
||
|
|
load_arg y_stride, 5
|
||
|
|
load_arg c_stride, 6
|
||
|
|
load_arg src_stride, 7
|
||
|
|
load_arg coeff_table, 8
|
||
|
|
|
||
|
|
\init coeff_table
|
||
|
|
|
||
|
|
sub y_padding, y_stride, width
|
||
|
|
sub c_padding, c_stride, width
|
||
|
|
sub src_padding, src_stride, width, LSL #2
|
||
|
|
|
||
|
|
add y0_end, y0, width
|
||
|
|
and header, width, #15
|
||
|
|
|
||
|
|
add y1, y0, y_stride
|
||
|
|
add src1, src0, src_stride
|
||
|
|
|
||
|
|
0:
|
||
|
|
cmp header, #0
|
||
|
|
beq 1f
|
||
|
|
|
||
|
|
\kernel \s_fmt, \d_fmt, src0, src1, y0, y1, chroma, header
|
||
|
|
|
||
|
|
1:
|
||
|
|
\kernel \s_fmt, \d_fmt, src0, src1, y0, y1, chroma
|
||
|
|
|
||
|
|
cmp y0, y0_end
|
||
|
|
blt 1b
|
||
|
|
2:
|
||
|
|
add y0, y1, y_padding
|
||
|
|
add y0_end, y1, y_stride
|
||
|
|
add chroma, chroma, c_padding
|
||
|
|
add src0, src1, src_padding
|
||
|
|
|
||
|
|
add y1, y0, y_stride
|
||
|
|
add src1, src0, src_stride
|
||
|
|
|
||
|
|
subs height, height, #2
|
||
|
|
|
||
|
|
bgt 0b
|
||
|
|
|
||
|
|
epilogue
|
||
|
|
|
||
|
|
alias_loop_420sp 0
|
||
|
|
|
||
|
|
endfunc
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro downsample
|
||
|
|
vpaddl.u8 r16x8, r8x16
|
||
|
|
vpaddl.u8 g16x8, g8x16
|
||
|
|
vpaddl.u8 b16x8, b8x16
|
||
|
|
.endm
|
||
|
|
|
||
|
|
|
||
|
|
/* acculumate and right shift by 2 */
|
||
|
|
.macro downsample_ars2
|
||
|
|
vpadal.u8 r16x8, r8x16
|
||
|
|
vpadal.u8 g16x8, g8x16
|
||
|
|
vpadal.u8 b16x8, b8x16
|
||
|
|
|
||
|
|
vrshr.u16 r16x8, r16x8, #2
|
||
|
|
vrshr.u16 g16x8, g16x8, #2
|
||
|
|
vrshr.u16 b16x8, b16x8, #2
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro store_y8_16x1 dst, count
|
||
|
|
.if \count == 0
|
||
|
|
vstmia \dst!, {y8x16}
|
||
|
|
.else
|
||
|
|
vstmia \dst, {y8x16}
|
||
|
|
add \dst, \dst, \count
|
||
|
|
.endif
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro store_chroma_nv12_8x1 dst, count
|
||
|
|
.if \count == 0
|
||
|
|
vst2.i8 {u8x8, v8x8}, [\dst]!
|
||
|
|
.else
|
||
|
|
vst2.i8 {u8x8, v8x8}, [\dst], \count
|
||
|
|
.endif
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro store_chroma_nv21_8x1 dst, count
|
||
|
|
.if \count == 0
|
||
|
|
vst2.i8 {v8x8, u8x8}, [\dst]!
|
||
|
|
.else
|
||
|
|
vst2.i8 {v8x8, u8x8}, [\dst], \count
|
||
|
|
.endif
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro load_8888_16x1 a, b, c, d, src, count
|
||
|
|
.if \count == 0
|
||
|
|
vld4.8 {\a\()8x16_l, \b\()8x16_l, \c\()8x16_l, \d\()8x16_l}, [\src]!
|
||
|
|
vld4.8 {\a\()8x16_h, \b\()8x16_h, \c\()8x16_h, \d\()8x16_h}, [\src]!
|
||
|
|
.else
|
||
|
|
vld4.8 {\a\()8x16_l, \b\()8x16_l, \c\()8x16_l, \d\()8x16_l}, [\src]!
|
||
|
|
vld4.8 {\a\()8x16_h, \b\()8x16_h, \c\()8x16_h, \d\()8x16_h}, [\src]
|
||
|
|
sub \src, \src, #32
|
||
|
|
add \src, \src, \count, LSL #2
|
||
|
|
.endif
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro load_rgbx_16x1 src, count
|
||
|
|
load_8888_16x1 r, g, b, x, \src, \count
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro load_bgrx_16x1 src, count
|
||
|
|
load_8888_16x1 b, g, r, x, \src, \count
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro alias_src_rgbx set
|
||
|
|
alias_src_8888 r, g, b, x, \set
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro alias_src_bgrx set
|
||
|
|
alias_src_8888 b, g, r, x, \set
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro alias_dst_nv12 set
|
||
|
|
alias u8x8, c8x8x2_l, \set
|
||
|
|
alias v8x8, c8x8x2_h, \set
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro alias_dst_nv21 set
|
||
|
|
alias v8x8, c8x8x2_l, \set
|
||
|
|
alias u8x8, c8x8x2_h, \set
|
||
|
|
.endm
|
||
|
|
|
||
|
|
|
||
|
|
// common aliases
|
||
|
|
|
||
|
|
alias CO_R d0
|
||
|
|
CO_RY .dn d0.s16[0]
|
||
|
|
CO_RU .dn d0.s16[1]
|
||
|
|
CO_RV .dn d0.s16[2]
|
||
|
|
|
||
|
|
alias CO_G d1
|
||
|
|
CO_GY .dn d1.s16[0]
|
||
|
|
CO_GU .dn d1.s16[1]
|
||
|
|
CO_GV .dn d1.s16[2]
|
||
|
|
|
||
|
|
alias CO_B d2
|
||
|
|
CO_BY .dn d2.s16[0]
|
||
|
|
CO_BU .dn d2.s16[1]
|
||
|
|
CO_BV .dn d2.s16[2]
|
||
|
|
|
||
|
|
alias BIAS_U, d3
|
||
|
|
alias BIAS_V, BIAS_U
|
||
|
|
|
||
|
|
alias BIAS_Y, q2
|
||
|
|
|
||
|
|
|
||
|
|
/* q3-q6 R8G8B8X8 x16 */
|
||
|
|
|
||
|
|
.macro alias_src_8888 a, b, c, d, set
|
||
|
|
alias_qw \a\()8x16, q3, \set
|
||
|
|
alias_qw \b\()8x16, q4, \set
|
||
|
|
alias_qw \c\()8x16, q5, \set
|
||
|
|
alias_qw \d\()8x16, q6, \set
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro kernel_420_16x2 rgb_fmt, yuv_fmt, rgb0, rgb1, y0, y1, chroma, count=0
|
||
|
|
alias_src_\rgb_fmt
|
||
|
|
alias_dst_\yuv_fmt
|
||
|
|
|
||
|
|
load_\rgb_fmt\()_16x1 \rgb0, \count
|
||
|
|
|
||
|
|
downsample
|
||
|
|
compute_y_16x1
|
||
|
|
store_y8_16x1 \y0, \count
|
||
|
|
|
||
|
|
|
||
|
|
load_\rgb_fmt\()_16x1 \rgb1, \count
|
||
|
|
downsample_ars2
|
||
|
|
compute_y_16x1
|
||
|
|
store_y8_16x1 \y1, \count
|
||
|
|
|
||
|
|
compute_chroma_8x1 u, U
|
||
|
|
compute_chroma_8x1 v, V
|
||
|
|
|
||
|
|
store_chroma_\yuv_fmt\()_8x1 \chroma, \count
|
||
|
|
|
||
|
|
alias_dst_\yuv_fmt 0
|
||
|
|
alias_src_\rgb_fmt 0
|
||
|
|
.endm
|