f244cbd5
 Hu Chunming
ffmpeg支持h264编码
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/*****************************************************************************
* asm.S: AArch64 utility macros
*****************************************************************************
* Copyright (C) 2008-2024 x264 project
*
* Authors: Mans Rullgard <mans@mansr.com>
* David Conrad <lessen42@gmail.com>
* Janne Grunau <janne-x264@jannau.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#include "config.h"
#define GLUE(a, b) a ## b
#define JOIN(a, b) GLUE(a, b)
#ifdef PREFIX
# define BASE _x264_
# define SYM_PREFIX _
#else
# define BASE x264_
# define SYM_PREFIX
#endif
#ifdef BIT_DEPTH
# define EXTERN_ASM JOIN(JOIN(BASE, BIT_DEPTH), _)
#else
# define EXTERN_ASM BASE
#endif
#define X(s) JOIN(EXTERN_ASM, s)
#define X264(s) JOIN(BASE, s)
#define EXT(s) JOIN(SYM_PREFIX, s)
#ifdef __ELF__
# define ELF
#else
# define ELF #
#endif
#ifdef __MACH__
# define MACH
#else
# define MACH #
#endif
#if HAVE_AS_FUNC
# define FUNC
#else
# define FUNC #
#endif
.macro function name, export=0, align=2
.macro endfunc
.if \export
ELF .size EXTERN_ASM\name, . - EXTERN_ASM\name
.else
ELF .size \name, . - \name
.endif
FUNC .endfunc
.purgem endfunc
.endm
.text
.align \align
.if \export
.global EXTERN_ASM\name
ELF .type EXTERN_ASM\name, %function
FUNC .func EXTERN_ASM\name
EXTERN_ASM\name:
.else
ELF .type \name, %function
FUNC .func \name
\name:
.endif
.endm
.macro const name, align=2
.macro endconst
ELF .size \name, . - \name
.purgem endconst
.endm
ELF .section .rodata
MACH .const_data
.align \align
\name:
.endm
.macro movrel rd, val, offset=0
#if defined(__APPLE__)
.if \offset < 0
adrp \rd, \val@PAGE
add \rd, \rd, \val@PAGEOFF
sub \rd, \rd, -(\offset)
.else
adrp \rd, \val+(\offset)@PAGE
add \rd, \rd, \val+(\offset)@PAGEOFF
.endif
#elif defined(PIC) && defined(_WIN32)
.if \offset < 0
adrp \rd, \val
add \rd, \rd, :lo12:\val
sub \rd, \rd, -(\offset)
.else
adrp \rd, \val+(\offset)
add \rd, \rd, :lo12:\val+(\offset)
.endif
#elif defined(PIC)
adrp \rd, \val+(\offset)
add \rd, \rd, :lo12:\val+(\offset)
#else
ldr \rd, =\val+\offset
#endif
.endm
#define FDEC_STRIDE 32
#define FENC_STRIDE 16
.macro SUMSUB_AB sum, sub, a, b
add \sum, \a, \b
sub \sub, \a, \b
.endm
.macro unzip t1, t2, s1, s2
uzp1 \t1, \s1, \s2
uzp2 \t2, \s1, \s2
.endm
.macro transpose t1, t2, s1, s2
trn1 \t1, \s1, \s2
trn2 \t2, \s1, \s2
.endm
.macro transpose4x4.h v0, v1, v2, v3, t0, t1, t2, t3
transpose \t0\().2s, \t2\().2s, \v0\().2s, \v2\().2s
transpose \t1\().2s, \t3\().2s, \v1\().2s, \v3\().2s
transpose \v0\().4h, \v1\().4h, \t0\().4h, \t1\().4h
transpose \v2\().4h, \v3\().4h, \t2\().4h, \t3\().4h
.endm
.macro transpose4x8.h v0, v1, v2, v3, t0, t1, t2, t3
transpose \t0\().4s, \t2\().4s, \v0\().4s, \v2\().4s
transpose \t1\().4s, \t3\().4s, \v1\().4s, \v3\().4s
transpose \v0\().8h, \v1\().8h, \t0\().8h, \t1\().8h
transpose \v2\().8h, \v3\().8h, \t2\().8h, \t3\().8h
.endm
.macro transpose8x8.h r0, r1, r2, r3, r4, r5, r6, r7, r8, r9
trn1 \r8\().8h, \r0\().8h, \r1\().8h
trn2 \r9\().8h, \r0\().8h, \r1\().8h
trn1 \r1\().8h, \r2\().8h, \r3\().8h
trn2 \r3\().8h, \r2\().8h, \r3\().8h
trn1 \r0\().8h, \r4\().8h, \r5\().8h
trn2 \r5\().8h, \r4\().8h, \r5\().8h
trn1 \r2\().8h, \r6\().8h, \r7\().8h
trn2 \r7\().8h, \r6\().8h, \r7\().8h
trn1 \r4\().4s, \r0\().4s, \r2\().4s
trn2 \r2\().4s, \r0\().4s, \r2\().4s
trn1 \r6\().4s, \r5\().4s, \r7\().4s
trn2 \r7\().4s, \r5\().4s, \r7\().4s
trn1 \r5\().4s, \r9\().4s, \r3\().4s
trn2 \r9\().4s, \r9\().4s, \r3\().4s
trn1 \r3\().4s, \r8\().4s, \r1\().4s
trn2 \r8\().4s, \r8\().4s, \r1\().4s
trn1 \r0\().2d, \r3\().2d, \r4\().2d
trn2 \r4\().2d, \r3\().2d, \r4\().2d
trn1 \r1\().2d, \r5\().2d, \r6\().2d
trn2 \r5\().2d, \r5\().2d, \r6\().2d
trn2 \r6\().2d, \r8\().2d, \r2\().2d
trn1 \r2\().2d, \r8\().2d, \r2\().2d
trn1 \r3\().2d, \r9\().2d, \r7\().2d
trn2 \r7\().2d, \r9\().2d, \r7\().2d
.endm
.macro transpose_8x16.b r0, r1, r2, r3, r4, r5, r6, r7, t0, t1
trn1 \t0\().16b, \r0\().16b, \r1\().16b
trn2 \t1\().16b, \r0\().16b, \r1\().16b
trn1 \r1\().16b, \r2\().16b, \r3\().16b
trn2 \r3\().16b, \r2\().16b, \r3\().16b
trn1 \r0\().16b, \r4\().16b, \r5\().16b
trn2 \r5\().16b, \r4\().16b, \r5\().16b
trn1 \r2\().16b, \r6\().16b, \r7\().16b
trn2 \r7\().16b, \r6\().16b, \r7\().16b
trn1 \r4\().8h, \r0\().8h, \r2\().8h
trn2 \r2\().8h, \r0\().8h, \r2\().8h
trn1 \r6\().8h, \r5\().8h, \r7\().8h
trn2 \r7\().8h, \r5\().8h, \r7\().8h
trn1 \r5\().8h, \t1\().8h, \r3\().8h
trn2 \t1\().8h, \t1\().8h, \r3\().8h
trn1 \r3\().8h, \t0\().8h, \r1\().8h
trn2 \t0\().8h, \t0\().8h, \r1\().8h
trn1 \r0\().4s, \r3\().4s, \r4\().4s
trn2 \r4\().4s, \r3\().4s, \r4\().4s
trn1 \r1\().4s, \r5\().4s, \r6\().4s
trn2 \r5\().4s, \r5\().4s, \r6\().4s
trn2 \r6\().4s, \t0\().4s, \r2\().4s
trn1 \r2\().4s, \t0\().4s, \r2\().4s
trn1 \r3\().4s, \t1\().4s, \r7\().4s
trn2 \r7\().4s, \t1\().4s, \r7\().4s
.endm
.macro transpose_4x16.b r0, r1, r2, r3, t4, t5, t6, t7
trn1 \t4\().16b, \r0\().16b, \r1\().16b
trn2 \t5\().16b, \r0\().16b, \r1\().16b
trn1 \t6\().16b, \r2\().16b, \r3\().16b
trn2 \t7\().16b, \r2\().16b, \r3\().16b
trn1 \r0\().8h, \t4\().8h, \t6\().8h
trn2 \r2\().8h, \t4\().8h, \t6\().8h
trn1 \r1\().8h, \t5\().8h, \t7\().8h
trn2 \r3\().8h, \t5\().8h, \t7\().8h
.endm
.macro transpose_4x8.b r0, r1, r2, r3, t4, t5, t6, t7
trn1 \t4\().8b, \r0\().8b, \r1\().8b
trn2 \t5\().8b, \r0\().8b, \r1\().8b
trn1 \t6\().8b, \r2\().8b, \r3\().8b
trn2 \t7\().8b, \r2\().8b, \r3\().8b
trn1 \r0\().4h, \t4\().4h, \t6\().4h
trn2 \r2\().4h, \t4\().4h, \t6\().4h
trn1 \r1\().4h, \t5\().4h, \t7\().4h
trn2 \r3\().4h, \t5\().4h, \t7\().4h
.endm
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