diff options
Diffstat (limited to 'ffmpeg/libavcodec/arm/mpegaudiodsp_fixed_armv6.S')
| -rw-r--r-- | ffmpeg/libavcodec/arm/mpegaudiodsp_fixed_armv6.S | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/ffmpeg/libavcodec/arm/mpegaudiodsp_fixed_armv6.S b/ffmpeg/libavcodec/arm/mpegaudiodsp_fixed_armv6.S deleted file mode 100644 index 977abb6..0000000 --- a/ffmpeg/libavcodec/arm/mpegaudiodsp_fixed_armv6.S +++ /dev/null @@ -1,143 +0,0 @@ -/* - * Copyright (c) 2011 Mans Rullgard <mans@mansr.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 skip args:vararg -.endm - -.macro sum8 lo, hi, w, p, t1, t2, t3, t4, rsb=skip, offs=0 - ldr \t1, [\w, #4*\offs] - ldr \t2, [\p, #4]! - \rsb \t1, \t1, #0 - .irpc i, 135 - ldr \t3, [\w, #4*64*\i+4*\offs] - ldr \t4, [\p, #4*64*\i] - smlal \lo, \hi, \t1, \t2 - \rsb \t3, \t3, #0 - ldr \t1, [\w, #4*64*(\i+1)+4*\offs] - ldr \t2, [\p, #4*64*(\i+1)] - smlal \lo, \hi, \t3, \t4 - \rsb \t1, \t1, #0 - .endr - ldr \t3, [\w, #4*64*7+4*\offs] - ldr \t4, [\p, #4*64*7] - smlal \lo, \hi, \t1, \t2 - \rsb \t3, \t3, #0 - smlal \lo, \hi, \t3, \t4 -.endm - -.macro round rd, lo, hi - lsr \rd, \lo, #24 - bic \lo, \lo, #0xff000000 - orr \rd, \rd, \hi, lsl #8 - mov \hi, #0 - ssat \rd, #16, \rd -.endm - -function ff_mpadsp_apply_window_fixed_armv6, export=1 - push {r2,r4-r11,lr} - - add r4, r0, #4*512 @ synth_buf + 512 - .rept 4 - ldm r0!, {r5-r12} - stm r4!, {r5-r12} - .endr - - ldr r4, [sp, #40] @ incr - sub r0, r0, #4*17 @ synth_buf + 16 - ldr r8, [r2] @ sum:low - add r2, r0, #4*32 @ synth_buf + 48 - rsb r5, r4, r4, lsl #5 @ 31 * incr - lsl r4, r4, #1 - asr r9, r8, #31 @ sum:high - add r5, r3, r5, lsl #1 @ samples2 - add r6, r1, #4*32 @ w2 - str r4, [sp, #40] - - sum8 r8, r9, r1, r0, r10, r11, r12, lr - sum8 r8, r9, r1, r2, r10, r11, r12, lr, rsb, 32 - round r10, r8, r9 - strh_post r10, r3, r4 - - mov lr, #15 -1: - ldr r12, [r0, #4]! - ldr r11, [r6, #-4]! - ldr r10, [r1, #4]! - .irpc i, 0246 - .if \i - ldr r11, [r6, #4*64*\i] - ldr r10, [r1, #4*64*\i] - .endif - rsb r11, r11, #0 - smlal r8, r9, r10, r12 - ldr r10, [r0, #4*64*(\i+1)] - .ifeq \i - smull r4, r7, r11, r12 - .else - smlal r4, r7, r11, r12 - .endif - ldr r11, [r6, #4*64*(\i+1)] - ldr r12, [r1, #4*64*(\i+1)] - rsb r11, r11, #0 - smlal r8, r9, r12, r10 - .iflt \i-6 - ldr r12, [r0, #4*64*(\i+2)] - .else - ldr r12, [r2, #-4]! - .endif - smlal r4, r7, r11, r10 - .endr - .irpc i, 0246 - ldr r10, [r1, #4*64*\i+4*32] - rsb r12, r12, #0 - ldr r11, [r6, #4*64*\i+4*32] - smlal r8, r9, r10, r12 - ldr r10, [r2, #4*64*(\i+1)] - smlal r4, r7, r11, r12 - ldr r12, [r1, #4*64*(\i+1)+4*32] - rsb r10, r10, #0 - ldr r11, [r6, #4*64*(\i+1)+4*32] - smlal r8, r9, r12, r10 - .iflt \i-6 - ldr r12, [r2, #4*64*(\i+2)] - .else - ldr r12, [sp, #40] - .endif - smlal r4, r7, r11, r10 - .endr - round r10, r8, r9 - adds r8, r8, r4 - adc r9, r9, r7 - strh_post r10, r3, r12 - round r11, r8, r9 - subs lr, lr, #1 - strh_dpost r11, r5, r12 - bgt 1b - - sum8 r8, r9, r1, r0, r10, r11, r12, lr, rsb, 33 - pop {r4} - round r10, r8, r9 - str r8, [r4] - strh r10, [r3] - - pop {r4-r11,pc} -endfunc |