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Diffstat (limited to 'libavcodec/arm/fft_fixed_neon.S')
-rw-r--r-- | libavcodec/arm/fft_fixed_neon.S | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/libavcodec/arm/fft_fixed_neon.S b/libavcodec/arm/fft_fixed_neon.S deleted file mode 100644 index 2651607544..0000000000 --- a/libavcodec/arm/fft_fixed_neon.S +++ /dev/null @@ -1,261 +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 bflies d0, d1, r0, r1 - vrev64.32 \r0, \d1 @ t5, t6, t1, t2 - vhsub.s16 \r1, \d1, \r0 @ t1-t5, t2-t6, t5-t1, t6-t2 - vhadd.s16 \r0, \d1, \r0 @ t1+t5, t2+t6, t5+t1, t6+t2 - vext.16 \r1, \r1, \r1, #1 @ t2-t6, t5-t1, t6-t2, t1-t5 - vtrn.32 \r0, \r1 @ t1+t5, t2+t6, t2-t6, t5-t1 - @ t5, t6, t4, t3 - vhsub.s16 \d1, \d0, \r0 - vhadd.s16 \d0, \d0, \r0 -.endm - -.macro transform01 q0, q1, d3, c0, c1, r0, w0, w1 - vrev32.16 \r0, \d3 - vmull.s16 \w0, \d3, \c0 - vmlal.s16 \w0, \r0, \c1 - vshrn.s32 \d3, \w0, #15 - bflies \q0, \q1, \w0, \w1 -.endm - -.macro transform2 d0, d1, d2, d3, q0, q1, c0, c1, c2, c3, \ - r0, r1, w0, w1 - vrev32.16 \r0, \d1 - vrev32.16 \r1, \d3 - vmull.s16 \w0, \d1, \c0 - vmlal.s16 \w0, \r0, \c1 - vmull.s16 \w1, \d3, \c2 - vmlal.s16 \w1, \r1, \c3 - vshrn.s32 \d1, \w0, #15 - vshrn.s32 \d3, \w1, #15 - bflies \q0, \q1, \w0, \w1 -.endm - -.macro fft4 d0, d1, r0, r1 - vhsub.s16 \r0, \d0, \d1 @ t3, t4, t8, t7 - vhsub.s16 \r1, \d1, \d0 - vhadd.s16 \d0, \d0, \d1 @ t1, t2, t6, t5 - vmov.i64 \d1, #0xffff00000000 - vbit \r0, \r1, \d1 - vrev64.16 \r1, \r0 @ t7, t8, t4, t3 - vtrn.32 \r0, \r1 @ t3, t4, t7, t8 - vtrn.32 \d0, \r0 @ t1, t2, t3, t4, t6, t5, t8, t7 - vhsub.s16 \d1, \d0, \r0 @ r2, i2, r3, i1 - vhadd.s16 \d0, \d0, \r0 @ r0, i0, r1, i3 -.endm - -.macro fft8 d0, d1, d2, d3, q0, q1, c0, c1, r0, r1, w0, w1 - fft4 \d0, \d1, \r0, \r1 - vtrn.32 \d0, \d1 @ z0, z2, z1, z3 - vhadd.s16 \r0, \d2, \d3 @ t1, t2, t3, t4 - vhsub.s16 \d3, \d2, \d3 @ z5, z7 - vmov \d2, \r0 - transform01 \q0, \q1, \d3, \c0, \c1, \r0, \w0, \w1 -.endm - -function fft4_neon - vld1.16 {d0-d1}, [r0] - fft4 d0, d1, d2, d3 - vst1.16 {d0-d1}, [r0] - bx lr -endfunc - -function fft8_neon - vld1.16 {d0-d3}, [r0,:128] - movrel r1, coefs - vld1.16 {d30}, [r1,:64] - vdup.16 d31, d30[0] - fft8 d0, d1, d2, d3, q0, q1, d31, d30, d20, d21, q8, q9 - vtrn.32 d0, d1 - vtrn.32 d2, d3 - vst1.16 {d0-d3}, [r0,:128] - bx lr -endfunc - -function fft16_neon - vld1.16 {d0-d3}, [r0,:128]! - vld1.16 {d4-d7}, [r0,:128] - movrel r1, coefs - sub r0, r0, #32 - vld1.16 {d28-d31},[r1,:128] - vdup.16 d31, d28[0] - fft8 d0, d1, d2, d3, q0, q1, d31, d28, d20, d21, q8, q9 - vswp d5, d6 - fft4 q2, q3, q8, q9 - vswp d5, d6 - vtrn.32 q0, q1 @ z0, z4, z2, z6, z1, z5, z3, z7 - vtrn.32 q2, q3 @ z8, z12,z10,z14,z9, z13,z11,z15 - vswp d1, d2 - vdup.16 d31, d28[0] - transform01 q0, q2, d5, d31, d28, d20, q8, q9 - vdup.16 d26, d29[0] - vdup.16 d27, d30[0] - transform2 d2, d6, d3, d7, q1, q3, d26, d30, d27, d29, \ - d20, d21, q8, q9 - vtrn.32 q0, q1 - vtrn.32 q2, q3 - vst1.16 {d0-d3}, [r0,:128]! - vst1.16 {d4-d7}, [r0,:128] - bx lr -endfunc - -function fft_pass_neon - push {r4,lr} - movrel lr, coefs + 24 - vld1.16 {d30}, [lr,:64] - lsl r12, r2, #3 - vmov d31, d30 - add r3, r1, r2, lsl #2 - mov lr, #-8 - sub r3, r3, #2 - mov r4, r0 - vld1.16 {d27[]}, [r3,:16] - sub r3, r3, #6 - vld1.16 {q0}, [r4,:128], r12 - vld1.16 {q1}, [r4,:128], r12 - vld1.16 {q2}, [r4,:128], r12 - vld1.16 {q3}, [r4,:128], r12 - vld1.16 {d28}, [r1,:64]! - vld1.16 {d29}, [r3,:64], lr - vswp d1, d2 - vswp d5, d6 - vtrn.32 d0, d1 - vtrn.32 d4, d5 - vdup.16 d25, d28[1] - vmul.s16 d27, d27, d31 - transform01 q0, q2, d5, d25, d27, d20, q8, q9 - b 2f -1: - mov r4, r0 - vdup.16 d26, d29[0] - vld1.16 {q0}, [r4,:128], r12 - vld1.16 {q1}, [r4,:128], r12 - vld1.16 {q2}, [r4,:128], r12 - vld1.16 {q3}, [r4,:128], r12 - vld1.16 {d28}, [r1,:64]! - vld1.16 {d29}, [r3,:64], lr - vswp d1, d2 - vswp d5, d6 - vtrn.32 d0, d1 - vtrn.32 d4, d5 - vdup.16 d24, d28[0] - vdup.16 d25, d28[1] - vdup.16 d27, d29[3] - vmul.s16 q13, q13, q15 - transform2 d0, d4, d1, d5, q0, q2, d24, d26, d25, d27, \ - d16, d17, q9, q10 -2: - vtrn.32 d2, d3 - vtrn.32 d6, d7 - vdup.16 d24, d28[2] - vdup.16 d26, d29[2] - vdup.16 d25, d28[3] - vdup.16 d27, d29[1] - vmul.s16 q13, q13, q15 - transform2 d2, d6, d3, d7, q1, q3, d24, d26, d25, d27, \ - d16, d17, q9, q10 - vtrn.32 d0, d1 - vtrn.32 d2, d3 - vtrn.32 d4, d5 - vtrn.32 d6, d7 - vswp d1, d2 - vswp d5, d6 - mov r4, r0 - vst1.16 {q0}, [r4,:128], r12 - vst1.16 {q1}, [r4,:128], r12 - vst1.16 {q2}, [r4,:128], r12 - vst1.16 {q3}, [r4,:128], r12 - add r0, r0, #16 - subs r2, r2, #2 - bgt 1b - pop {r4,pc} -endfunc - -#define F_SQRT1_2 23170 -#define F_COS_16_1 30274 -#define F_COS_16_3 12540 - -const coefs, align=4 - .short F_SQRT1_2, -F_SQRT1_2, -F_SQRT1_2, F_SQRT1_2 - .short F_COS_16_1,-F_COS_16_1,-F_COS_16_1, F_COS_16_1 - .short F_COS_16_3,-F_COS_16_3,-F_COS_16_3, F_COS_16_3 - .short 1, -1, -1, 1 -endconst - -.macro def_fft n, n2, n4 -function fft\n\()_neon - push {r4, lr} - mov r4, r0 - bl fft\n2\()_neon - add r0, r4, #\n4*2*4 - bl fft\n4\()_neon - add r0, r4, #\n4*3*4 - bl fft\n4\()_neon - mov r0, r4 - pop {r4, lr} - movrelx r1, X(ff_cos_\n\()_fixed) - mov r2, #\n4/2 - b fft_pass_neon -endfunc -.endm - - def_fft 32, 16, 8 - def_fft 64, 32, 16 - def_fft 128, 64, 32 - def_fft 256, 128, 64 - def_fft 512, 256, 128 - def_fft 1024, 512, 256 - def_fft 2048, 1024, 512 - def_fft 4096, 2048, 1024 - def_fft 8192, 4096, 2048 - def_fft 16384, 8192, 4096 - def_fft 32768, 16384, 8192 - def_fft 65536, 32768, 16384 - -function ff_fft_fixed_calc_neon, export=1 - ldr r2, [r0] - sub r2, r2, #2 - movrel r3, fft_fixed_tab_neon - ldr r3, [r3, r2, lsl #2] - mov r0, r1 - bx r3 -endfunc - -const fft_fixed_tab_neon, relocate=1 - .word fft4_neon - .word fft8_neon - .word fft16_neon - .word fft32_neon - .word fft64_neon - .word fft128_neon - .word fft256_neon - .word fft512_neon - .word fft1024_neon - .word fft2048_neon - .word fft4096_neon - .word fft8192_neon - .word fft16384_neon - .word fft32768_neon - .word fft65536_neon -endconst |