diff options
Diffstat (limited to 'ffmpeg1/libavcodec/arm/ac3dsp_neon.S')
| -rw-r--r-- | ffmpeg1/libavcodec/arm/ac3dsp_neon.S | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/ffmpeg1/libavcodec/arm/ac3dsp_neon.S b/ffmpeg1/libavcodec/arm/ac3dsp_neon.S deleted file mode 100644 index 42f35e3..0000000 --- a/ffmpeg1/libavcodec/arm/ac3dsp_neon.S +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright (c) 2011 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" - -function ff_ac3_max_msb_abs_int16_neon, export=1 - vmov.i16 q0, #0 - vmov.i16 q2, #0 -1: vld1.16 {q1}, [r0,:128]! - vabs.s16 q1, q1 - vld1.16 {q3}, [r0,:128]! - vabs.s16 q3, q3 - vorr q0, q0, q1 - vorr q2, q2, q3 - subs r1, r1, #16 - bgt 1b - vorr q0, q0, q2 - vorr d0, d0, d1 - vpmax.u16 d0, d0, d0 - vpmax.u16 d0, d0, d0 - vmov.u16 r0, d0[0] - bx lr -endfunc - -function ff_ac3_exponent_min_neon, export=1 - cmp r1, #0 - it eq - bxeq lr - push {lr} - mov r12, #256 -1: - vld1.8 {q0}, [r0,:128] - mov lr, r1 - add r3, r0, #256 -2: vld1.8 {q1}, [r3,:128], r12 - subs lr, lr, #1 - vmin.u8 q0, q0, q1 - bgt 2b - subs r2, r2, #16 - vst1.8 {q0}, [r0,:128]! - bgt 1b - pop {pc} -endfunc - -function ff_ac3_lshift_int16_neon, export=1 - vdup.16 q0, r2 -1: vld1.16 {q1}, [r0,:128] - vshl.s16 q1, q1, q0 - vst1.16 {q1}, [r0,:128]! - subs r1, r1, #8 - bgt 1b - bx lr -endfunc - -function ff_ac3_rshift_int32_neon, export=1 - rsb r2, r2, #0 - vdup.32 q0, r2 -1: vld1.32 {q1}, [r0,:128] - vshl.s32 q1, q1, q0 - vst1.32 {q1}, [r0,:128]! - subs r1, r1, #4 - bgt 1b - bx lr -endfunc - -function ff_float_to_fixed24_neon, export=1 -1: vld1.32 {q0-q1}, [r1,:128]! - vcvt.s32.f32 q0, q0, #24 - vld1.32 {q2-q3}, [r1,:128]! - vcvt.s32.f32 q1, q1, #24 - vcvt.s32.f32 q2, q2, #24 - vst1.32 {q0-q1}, [r0,:128]! - vcvt.s32.f32 q3, q3, #24 - vst1.32 {q2-q3}, [r0,:128]! - subs r2, r2, #16 - bgt 1b - bx lr -endfunc - -function ff_ac3_extract_exponents_neon, export=1 - vmov.i32 q15, #8 -1: - vld1.32 {q0}, [r1,:128]! - vabs.s32 q1, q0 - vclz.i32 q3, q1 - vsub.i32 q3, q3, q15 - vmovn.i32 d6, q3 - vmovn.i16 d6, q3 - vst1.32 {d6[0]}, [r0,:32]! - subs r2, r2, #4 - bgt 1b - bx lr -endfunc - -function ff_ac3_sum_square_butterfly_int32_neon, export=1 - vmov.i64 q0, #0 - vmov.i64 q1, #0 - vmov.i64 q2, #0 - vmov.i64 q3, #0 -1: - vld1.32 {d16}, [r1]! - vld1.32 {d17}, [r2]! - vadd.s32 d18, d16, d17 - vsub.s32 d19, d16, d17 - vmlal.s32 q0, d16, d16 - vmlal.s32 q1, d17, d17 - vmlal.s32 q2, d18, d18 - vmlal.s32 q3, d19, d19 - subs r3, r3, #2 - bgt 1b - vadd.s64 d0, d0, d1 - vadd.s64 d1, d2, d3 - vadd.s64 d2, d4, d5 - vadd.s64 d3, d6, d7 - vst1.64 {q0-q1}, [r0] - bx lr -endfunc - -function ff_ac3_sum_square_butterfly_float_neon, export=1 - vmov.f32 q0, #0.0 - vmov.f32 q1, #0.0 -1: - vld1.32 {d16}, [r1]! - vld1.32 {d17}, [r2]! - vadd.f32 d18, d16, d17 - vsub.f32 d19, d16, d17 - vmla.f32 d0, d16, d16 - vmla.f32 d1, d17, d17 - vmla.f32 d2, d18, d18 - vmla.f32 d3, d19, d19 - subs r3, r3, #2 - bgt 1b - vpadd.f32 d0, d0, d1 - vpadd.f32 d1, d2, d3 - vst1.32 {q0}, [r0] - bx lr -endfunc |