Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2010 Mans Rullgard |
||
| 3 | * |
||
| 4 | * This file is part of FFmpeg. |
||
| 5 | * |
||
| 6 | * FFmpeg is free software; you can redistribute it and/or |
||
| 7 | * modify it under the terms of the GNU Lesser General Public |
||
| 8 | * License as published by the Free Software Foundation; either |
||
| 9 | * version 2.1 of the License, or (at your option) any later version. |
||
| 10 | * |
||
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
||
| 14 | * Lesser General Public License for more details. |
||
| 15 | * |
||
| 16 | * You should have received a copy of the GNU Lesser General Public |
||
| 17 | * License along with FFmpeg; if not, write to the Free Software |
||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||
| 19 | */ |
||
| 20 | |||
| 21 | #include "libavutil/arm/asm.S" |
||
| 22 | |||
| 23 | function ff_synth_filter_float_neon, export=1 |
||
| 24 | push {r3-r11,lr} |
||
| 25 | |||
| 26 | ldr r4, [r2] @ synth_buf_offset |
||
| 27 | add r1, r1, r4, lsl #2 @ synth_buf |
||
| 28 | sub r12, r4, #32 |
||
| 29 | bfc r12, #9, #23 |
||
| 30 | bic r4, r4, #63 |
||
| 31 | str r12, [r2] |
||
| 32 | |||
| 33 | ldr r2, [sp, #12*4] @ in |
||
| 34 | mov r9, r1 @ synth_buf |
||
| 35 | |||
| 36 | VFP vpush {d0} |
||
| 37 | bl X(ff_imdct_half_neon) |
||
| 38 | VFP vpop {d0} |
||
| 39 | pop {r3} |
||
| 40 | |||
| 41 | ldr r5, [sp, #9*4] @ window |
||
| 42 | ldr r2, [sp, #10*4] @ out |
||
| 43 | NOVFP vldr s0, [sp, #12*4] @ scale |
||
| 44 | add r8, r9, #12*4 |
||
| 45 | |||
| 46 | mov lr, #64*4 |
||
| 47 | mov r1, #4 |
||
| 48 | 1: |
||
| 49 | add r10, r9, #16*4 @ synth_buf |
||
| 50 | add r11, r8, #16*4 |
||
| 51 | add r0, r5, #16*4 @ window |
||
| 52 | add r6, r5, #32*4 |
||
| 53 | add r7, r5, #48*4 |
||
| 54 | |||
| 55 | vld1.32 {q10}, [r3,:128] @ a |
||
| 56 | add r3, r3, #16*4 |
||
| 57 | vld1.32 {q1}, [r3,:128] @ b |
||
| 58 | vmov.f32 q2, #0.0 @ c |
||
| 59 | vmov.f32 q3, #0.0 @ d |
||
| 60 | |||
| 61 | mov r12, #512 |
||
| 62 | 2: |
||
| 63 | vld1.32 {q9}, [r8, :128], lr |
||
| 64 | vrev64.32 q9, q9 |
||
| 65 | vld1.32 {q8}, [r5, :128], lr |
||
| 66 | vmls.f32 d20, d16, d19 |
||
| 67 | vld1.32 {q11}, [r0, :128], lr |
||
| 68 | vmls.f32 d21, d17, d18 |
||
| 69 | vld1.32 {q12}, [r9, :128], lr |
||
| 70 | vmla.f32 d2, d22, d24 |
||
| 71 | vld1.32 {q8}, [r6, :128], lr |
||
| 72 | vmla.f32 d3, d23, d25 |
||
| 73 | vld1.32 {q9}, [r10,:128], lr |
||
| 74 | vmla.f32 d4, d16, d18 |
||
| 75 | vld1.32 {q12}, [r11,:128], lr |
||
| 76 | vmla.f32 d5, d17, d19 |
||
| 77 | vrev64.32 q12, q12 |
||
| 78 | vld1.32 {q11}, [r7, :128], lr |
||
| 79 | vmla.f32 d6, d22, d25 |
||
| 80 | vmla.f32 d7, d23, d24 |
||
| 81 | subs r12, r12, #64 |
||
| 82 | beq 3f |
||
| 83 | cmp r12, r4 |
||
| 84 | bne 2b |
||
| 85 | sub r8, r8, #512*4 |
||
| 86 | sub r9, r9, #512*4 |
||
| 87 | sub r10, r10, #512*4 |
||
| 88 | sub r11, r11, #512*4 |
||
| 89 | b 2b |
||
| 90 | 3: |
||
| 91 | vmul.f32 q8, q10, d0[0] |
||
| 92 | vmul.f32 q9, q1, d0[0] |
||
| 93 | vst1.32 {q3}, [r3,:128] |
||
| 94 | sub r3, r3, #16*4 |
||
| 95 | vst1.32 {q2}, [r3,:128] |
||
| 96 | vst1.32 {q8}, [r2,:128] |
||
| 97 | add r2, r2, #16*4 |
||
| 98 | vst1.32 {q9}, [r2,:128] |
||
| 99 | |||
| 100 | subs r1, r1, #1 |
||
| 101 | it eq |
||
| 102 | popeq {r4-r11,pc} |
||
| 103 | |||
| 104 | cmp r4, #0 |
||
| 105 | itt eq |
||
| 106 | subeq r8, r8, #512*4 |
||
| 107 | subeq r9, r9, #512*4 |
||
| 108 | sub r5, r5, #512*4 |
||
| 109 | sub r2, r2, #12*4 @ out |
||
| 110 | add r3, r3, #4*4 @ synth_buf2 |
||
| 111 | add r5, r5, #4*4 @ window |
||
| 112 | add r9, r9, #4*4 @ synth_buf |
||
| 113 | sub r8, r8, #4*4 @ synth_buf |
||
| 114 | b 1b |
||
| 115 | endfunc |