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Diffstat (limited to 'plugins/supereq/ffmpeg_fft/libavcodec/arm/rdft_neon.S')
-rw-r--r--plugins/supereq/ffmpeg_fft/libavcodec/arm/rdft_neon.S151
1 files changed, 0 insertions, 151 deletions
diff --git a/plugins/supereq/ffmpeg_fft/libavcodec/arm/rdft_neon.S b/plugins/supereq/ffmpeg_fft/libavcodec/arm/rdft_neon.S
deleted file mode 100644
index 4f8a1032..00000000
--- a/plugins/supereq/ffmpeg_fft/libavcodec/arm/rdft_neon.S
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * ARM NEON optimised RDFT
- * Copyright (c) 2009 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 "asm.S"
-
- preserve8
-
-function ff_rdft_calc_neon, export=1
- push {r4-r8,lr}
-
- ldr r6, [r0, #4] @ inverse
- mov r4, r0
- mov r5, r1
-
- lsls r6, r6, #31
- bne 1f
- add r0, r4, #20
- bl X(ff_fft_permute_neon)
- add r0, r4, #20
- mov r1, r5
- bl X(ff_fft_calc_neon)
-1:
- ldr r12, [r4, #0] @ nbits
- mov r2, #1
- lsl r12, r2, r12
- add r0, r5, #8
- add r1, r5, r12, lsl #2
- lsr r12, r12, #2
- ldr r2, [r4, #12] @ tcos
- sub r12, r12, #2
- ldr r3, [r4, #16] @ tsin
- mov r7, r0
- sub r1, r1, #8
- mov lr, r1
- mov r8, #-8
- vld1.32 {d0}, [r0,:64]! @ d1[0,1]
- vld1.32 {d1}, [r1,:64], r8 @ d2[0,1]
- vld1.32 {d4}, [r2,:64]! @ tcos[i]
- vld1.32 {d5}, [r3,:64]! @ tsin[i]
- vmov.f32 d18, #0.5 @ k1
- vdup.32 d19, r6
- pld [r0, #32]
- veor d19, d18, d19 @ k2
- vmov.i32 d16, #0
- vmov.i32 d17, #1<<31
- pld [r1, #-32]
- vtrn.32 d16, d17
- pld [r2, #32]
- vrev64.32 d16, d16 @ d16=1,0 d17=0,1
- pld [r3, #32]
-2:
- veor q1, q0, q8 @ -d1[0],d1[1], d2[0],-d2[1]
- vld1.32 {d24}, [r0,:64]! @ d1[0,1]
- vadd.f32 d0, d0, d3 @ d1[0]+d2[0], d1[1]-d2[1]
- vld1.32 {d25}, [r1,:64], r8 @ d2[0,1]
- vadd.f32 d1, d2, d1 @ -d1[0]+d2[0], d1[1]+d2[1]
- veor q3, q12, q8 @ -d1[0],d1[1], d2[0],-d2[1]
- pld [r0, #32]
- vmul.f32 q10, q0, q9 @ ev.re, ev.im, od.im, od.re
- pld [r1, #-32]
- vadd.f32 d0, d24, d7 @ d1[0]+d2[0], d1[1]-d2[1]
- vadd.f32 d1, d6, d25 @ -d1[0]+d2[0], d1[1]+d2[1]
- vmul.f32 q11, q0, q9 @ ev.re, ev.im, od.im, od.re
- veor d7, d21, d16 @ -od.im, od.re
- vrev64.32 d3, d21 @ od.re, od.im
- veor d6, d20, d17 @ ev.re,-ev.im
- veor d2, d3, d16 @ -od.re, od.im
- vmla.f32 d20, d3, d4[1]
- vmla.f32 d20, d7, d5[1]
- vmla.f32 d6, d2, d4[1]
- vmla.f32 d6, d21, d5[1]
- vld1.32 {d4}, [r2,:64]! @ tcos[i]
- veor d7, d23, d16 @ -od.im, od.re
- vld1.32 {d5}, [r3,:64]! @ tsin[i]
- veor d24, d22, d17 @ ev.re,-ev.im
- vrev64.32 d3, d23 @ od.re, od.im
- pld [r2, #32]
- veor d2, d3, d16 @ -od.re, od.im
- pld [r3, #32]
- vmla.f32 d22, d3, d4[0]
- vmla.f32 d22, d7, d5[0]
- vmla.f32 d24, d2, d4[0]
- vmla.f32 d24, d23, d5[0]
- vld1.32 {d0}, [r0,:64]! @ d1[0,1]
- vld1.32 {d1}, [r1,:64], r8 @ d2[0,1]
- vst1.32 {d20}, [r7,:64]!
- vst1.32 {d6}, [lr,:64], r8
- vst1.32 {d22}, [r7,:64]!
- vst1.32 {d24}, [lr,:64], r8
- subs r12, r12, #2
- bgt 2b
-
- veor q1, q0, q8 @ -d1[0],d1[1], d2[0],-d2[1]
- vadd.f32 d0, d0, d3 @ d1[0]+d2[0], d1[1]-d2[1]
- vadd.f32 d1, d2, d1 @ -d1[0]+d2[0], d1[1]+d2[1]
- ldr r2, [r4, #8] @ sign_convention
- vmul.f32 q10, q0, q9 @ ev.re, ev.im, od.im, od.re
- add r0, r0, #4
- bfc r2, #0, #31
- vld1.32 {d0[0]}, [r0,:32]
- veor d7, d21, d16 @ -od.im, od.re
- vrev64.32 d3, d21 @ od.re, od.im
- veor d6, d20, d17 @ ev.re,-ev.im
- vld1.32 {d22}, [r5,:64]
- vdup.32 d1, r2
- vmov d23, d22
- veor d2, d3, d16 @ -od.re, od.im
- vtrn.32 d22, d23
- veor d0, d0, d1
- veor d23, d23, d17
- vmla.f32 d20, d3, d4[1]
- vmla.f32 d20, d7, d5[1]
- vmla.f32 d6, d2, d4[1]
- vmla.f32 d6, d21, d5[1]
- vadd.f32 d22, d22, d23
- vst1.32 {d20}, [r7,:64]
- vst1.32 {d6}, [lr,:64]
- vst1.32 {d0[0]}, [r0,:32]
- vst1.32 {d22}, [r5,:64]
-
- cmp r6, #0
- popeq {r4-r8,pc}
-
- vmul.f32 d22, d22, d18
- vst1.32 {d22}, [r5,:64]
- add r0, r4, #20
- mov r1, r5
- bl X(ff_fft_permute_neon)
- add r0, r4, #20
- mov r1, r5
- pop {r4-r8,lr}
- b X(ff_fft_calc_neon)
-endfunc