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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2012 |
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| 3 | * MIPS Technologies, Inc., California. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its |
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| 14 | * contributors may be used to endorse or promote products derived from |
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| 15 | * this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND |
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE |
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 27 | * SUCH DAMAGE. |
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| 28 | * |
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| 29 | * Authors: Branimir Vasic (bvasic@mips.com) |
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| 30 | * Nedeljko Babic (nbabic@mips.com) |
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| 31 | * |
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| 32 | * Various AC-3 DSP Utils optimized for MIPS |
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| 33 | * |
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| 34 | * This file is part of FFmpeg. |
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| 35 | * |
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| 36 | * FFmpeg is free software; you can redistribute it and/or |
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| 37 | * modify it under the terms of the GNU Lesser General Public |
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| 38 | * License as published by the Free Software Foundation; either |
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| 39 | * version 2.1 of the License, or (at your option) any later version. |
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| 40 | * |
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| 41 | * FFmpeg is distributed in the hope that it will be useful, |
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| 42 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 43 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 44 | * Lesser General Public License for more details. |
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| 45 | * |
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| 46 | * You should have received a copy of the GNU Lesser General Public |
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| 47 | * License along with FFmpeg; if not, write to the Free Software |
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| 48 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 49 | */ |
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| 50 | |||
| 51 | /** |
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| 52 | * @file |
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| 53 | * Reference: libavcodec/ac3dsp.c |
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| 54 | */ |
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| 55 | |||
| 56 | #include "config.h" |
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| 57 | #include "libavcodec/ac3dsp.h" |
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| 58 | #include "libavcodec/ac3.h" |
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| 59 | |||
| 60 | |||
| 61 | #if HAVE_INLINE_ASM |
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| 62 | #if HAVE_MIPSDSPR1 |
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| 63 | static void ac3_bit_alloc_calc_bap_mips(int16_t *mask, int16_t *psd, |
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| 64 | int start, int end, |
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| 65 | int snr_offset, int floor, |
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| 66 | const uint8_t *bap_tab, uint8_t *bap) |
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| 67 | { |
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| 68 | int band, band_end, cond; |
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| 69 | int m, address1, address2; |
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| 70 | int16_t *psd1, *psd_end; |
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| 71 | uint8_t *bap1; |
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| 72 | |||
| 73 | if (snr_offset == -960) { |
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| 74 | memset(bap, 0, AC3_MAX_COEFS); |
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| 75 | return; |
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| 76 | } |
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| 77 | |||
| 78 | psd1 = &psd[start]; |
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| 79 | bap1 = &bap[start]; |
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| 80 | band = ff_ac3_bin_to_band_tab[start]; |
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| 81 | |||
| 82 | do { |
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| 83 | m = (FFMAX(mask[band] - snr_offset - floor, 0) & 0x1FE0) + floor; |
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| 84 | band_end = ff_ac3_band_start_tab[++band]; |
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| 85 | band_end = FFMIN(band_end, end); |
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| 86 | psd_end = psd + band_end - 1; |
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| 87 | |||
| 88 | __asm__ volatile ( |
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| 89 | "slt %[cond], %[psd1], %[psd_end] \n\t" |
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| 90 | "beqz %[cond], 1f \n\t" |
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| 91 | "2: \n\t" |
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| 92 | "lh %[address1], 0(%[psd1]) \n\t" |
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| 93 | "lh %[address2], 2(%[psd1]) \n\t" |
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| 94 | "addiu %[psd1], %[psd1], 4 \n\t" |
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| 95 | "subu %[address1], %[address1], %[m] \n\t" |
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| 96 | "sra %[address1], %[address1], 5 \n\t" |
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| 97 | "addiu %[address1], %[address1], -32 \n\t" |
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| 98 | "shll_s.w %[address1], %[address1], 26 \n\t" |
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| 99 | "subu %[address2], %[address2], %[m] \n\t" |
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| 100 | "sra %[address2], %[address2], 5 \n\t" |
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| 101 | "sra %[address1], %[address1], 26 \n\t" |
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| 102 | "addiu %[address1], %[address1], 32 \n\t" |
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| 103 | "lbux %[address1], %[address1](%[bap_tab]) \n\t" |
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| 104 | "addiu %[address2], %[address2], -32 \n\t" |
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| 105 | "shll_s.w %[address2], %[address2], 26 \n\t" |
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| 106 | "sb %[address1], 0(%[bap1]) \n\t" |
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| 107 | "slt %[cond], %[psd1], %[psd_end] \n\t" |
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| 108 | "sra %[address2], %[address2], 26 \n\t" |
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| 109 | "addiu %[address2], %[address2], 32 \n\t" |
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| 110 | "lbux %[address2], %[address2](%[bap_tab]) \n\t" |
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| 111 | "sb %[address2], 1(%[bap1]) \n\t" |
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| 112 | "addiu %[bap1], %[bap1], 2 \n\t" |
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| 113 | "bnez %[cond], 2b \n\t" |
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| 114 | "addiu %[psd_end], %[psd_end], 2 \n\t" |
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| 115 | "slt %[cond], %[psd1], %[psd_end] \n\t" |
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| 116 | "beqz %[cond], 3f \n\t" |
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| 117 | "1: \n\t" |
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| 118 | "lh %[address1], 0(%[psd1]) \n\t" |
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| 119 | "addiu %[psd1], %[psd1], 2 \n\t" |
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| 120 | "subu %[address1], %[address1], %[m] \n\t" |
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| 121 | "sra %[address1], %[address1], 5 \n\t" |
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| 122 | "addiu %[address1], %[address1], -32 \n\t" |
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| 123 | "shll_s.w %[address1], %[address1], 26 \n\t" |
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| 124 | "sra %[address1], %[address1], 26 \n\t" |
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| 125 | "addiu %[address1], %[address1], 32 \n\t" |
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| 126 | "lbux %[address1], %[address1](%[bap_tab]) \n\t" |
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| 127 | "sb %[address1], 0(%[bap1]) \n\t" |
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| 128 | "addiu %[bap1], %[bap1], 1 \n\t" |
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| 129 | "3: \n\t" |
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| 130 | |||
| 131 | : [address1]"=&r"(address1), [address2]"=&r"(address2), |
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| 132 | [cond]"=&r"(cond), [bap1]"+r"(bap1), |
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| 133 | [psd1]"+r"(psd1), [psd_end]"+r"(psd_end) |
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| 134 | : [m]"r"(m), [bap_tab]"r"(bap_tab) |
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| 135 | : "memory" |
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| 136 | ); |
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| 137 | } while (end > band_end); |
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| 138 | } |
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| 139 | |||
| 140 | static void ac3_update_bap_counts_mips(uint16_t mant_cnt[16], uint8_t *bap, |
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| 141 | int len) |
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| 142 | { |
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| 143 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
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| 144 | |||
| 145 | __asm__ volatile ( |
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| 146 | "andi %[temp3], %[len], 3 \n\t" |
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| 147 | "addu %[temp2], %[bap], %[len] \n\t" |
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| 148 | "addu %[temp4], %[bap], %[temp3] \n\t" |
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| 149 | "beq %[temp2], %[temp4], 4f \n\t" |
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| 150 | "1: \n\t" |
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| 151 | "lbu %[temp0], -1(%[temp2]) \n\t" |
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| 152 | "lbu %[temp5], -2(%[temp2]) \n\t" |
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| 153 | "lbu %[temp6], -3(%[temp2]) \n\t" |
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| 154 | "sll %[temp0], %[temp0], 1 \n\t" |
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| 155 | "addu %[temp0], %[mant_cnt], %[temp0] \n\t" |
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| 156 | "sll %[temp5], %[temp5], 1 \n\t" |
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| 157 | "addu %[temp5], %[mant_cnt], %[temp5] \n\t" |
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| 158 | "lhu %[temp1], 0(%[temp0]) \n\t" |
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| 159 | "sll %[temp6], %[temp6], 1 \n\t" |
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| 160 | "addu %[temp6], %[mant_cnt], %[temp6] \n\t" |
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| 161 | "addiu %[temp1], %[temp1], 1 \n\t" |
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| 162 | "sh %[temp1], 0(%[temp0]) \n\t" |
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| 163 | "lhu %[temp1], 0(%[temp5]) \n\t" |
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| 164 | "lbu %[temp7], -4(%[temp2]) \n\t" |
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| 165 | "addiu %[temp2], %[temp2], -4 \n\t" |
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| 166 | "addiu %[temp1], %[temp1], 1 \n\t" |
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| 167 | "sh %[temp1], 0(%[temp5]) \n\t" |
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| 168 | "lhu %[temp1], 0(%[temp6]) \n\t" |
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| 169 | "sll %[temp7], %[temp7], 1 \n\t" |
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| 170 | "addu %[temp7], %[mant_cnt], %[temp7] \n\t" |
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| 171 | "addiu %[temp1], %[temp1],1 \n\t" |
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| 172 | "sh %[temp1], 0(%[temp6]) \n\t" |
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| 173 | "lhu %[temp1], 0(%[temp7]) \n\t" |
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| 174 | "addiu %[temp1], %[temp1], 1 \n\t" |
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| 175 | "sh %[temp1], 0(%[temp7]) \n\t" |
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| 176 | "bne %[temp2], %[temp4], 1b \n\t" |
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| 177 | "4: \n\t" |
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| 178 | "beqz %[temp3], 2f \n\t" |
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| 179 | "3: \n\t" |
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| 180 | "addiu %[temp3], %[temp3], -1 \n\t" |
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| 181 | "lbu %[temp0], -1(%[temp2]) \n\t" |
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| 182 | "addiu %[temp2], %[temp2], -1 \n\t" |
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| 183 | "sll %[temp0], %[temp0], 1 \n\t" |
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| 184 | "addu %[temp0], %[mant_cnt], %[temp0] \n\t" |
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| 185 | "lhu %[temp1], 0(%[temp0]) \n\t" |
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| 186 | "addiu %[temp1], %[temp1], 1 \n\t" |
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| 187 | "sh %[temp1], 0(%[temp0]) \n\t" |
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| 188 | "bgtz %[temp3], 3b \n\t" |
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| 189 | "2: \n\t" |
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| 190 | |||
| 191 | : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), |
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| 192 | [temp2] "=&r" (temp2), [temp3] "=&r" (temp3), |
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| 193 | [temp4] "=&r" (temp4), [temp5] "=&r" (temp5), |
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| 194 | [temp6] "=&r" (temp6), [temp7] "=&r" (temp7) |
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| 195 | : [len] "r" (len), [bap] "r" (bap), |
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| 196 | [mant_cnt] "r" (mant_cnt) |
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| 197 | : "memory" |
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| 198 | ); |
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| 199 | } |
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| 200 | #endif |
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| 201 | |||
| 202 | #if HAVE_MIPSFPU && HAVE_MIPS32R2 |
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| 203 | static void float_to_fixed24_mips(int32_t *dst, const float *src, unsigned int len) |
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| 204 | { |
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| 205 | const float scale = 1 << 24; |
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| 206 | float src0, src1, src2, src3, src4, src5, src6, src7; |
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| 207 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
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| 208 | |||
| 209 | do { |
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| 210 | __asm__ volatile ( |
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| 211 | "lwc1 %[src0], 0(%[src]) \n\t" |
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| 212 | "lwc1 %[src1], 4(%[src]) \n\t" |
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| 213 | "lwc1 %[src2], 8(%[src]) \n\t" |
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| 214 | "lwc1 %[src3], 12(%[src]) \n\t" |
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| 215 | "lwc1 %[src4], 16(%[src]) \n\t" |
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| 216 | "lwc1 %[src5], 20(%[src]) \n\t" |
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| 217 | "lwc1 %[src6], 24(%[src]) \n\t" |
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| 218 | "lwc1 %[src7], 28(%[src]) \n\t" |
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| 219 | "mul.s %[src0], %[src0], %[scale] \n\t" |
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| 220 | "mul.s %[src1], %[src1], %[scale] \n\t" |
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| 221 | "mul.s %[src2], %[src2], %[scale] \n\t" |
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| 222 | "mul.s %[src3], %[src3], %[scale] \n\t" |
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| 223 | "mul.s %[src4], %[src4], %[scale] \n\t" |
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| 224 | "mul.s %[src5], %[src5], %[scale] \n\t" |
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| 225 | "mul.s %[src6], %[src6], %[scale] \n\t" |
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| 226 | "mul.s %[src7], %[src7], %[scale] \n\t" |
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| 227 | "cvt.w.s %[src0], %[src0] \n\t" |
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| 228 | "cvt.w.s %[src1], %[src1] \n\t" |
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| 229 | "cvt.w.s %[src2], %[src2] \n\t" |
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| 230 | "cvt.w.s %[src3], %[src3] \n\t" |
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| 231 | "cvt.w.s %[src4], %[src4] \n\t" |
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| 232 | "cvt.w.s %[src5], %[src5] \n\t" |
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| 233 | "cvt.w.s %[src6], %[src6] \n\t" |
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| 234 | "cvt.w.s %[src7], %[src7] \n\t" |
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| 235 | "mfc1 %[temp0], %[src0] \n\t" |
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| 236 | "mfc1 %[temp1], %[src1] \n\t" |
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| 237 | "mfc1 %[temp2], %[src2] \n\t" |
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| 238 | "mfc1 %[temp3], %[src3] \n\t" |
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| 239 | "mfc1 %[temp4], %[src4] \n\t" |
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| 240 | "mfc1 %[temp5], %[src5] \n\t" |
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| 241 | "mfc1 %[temp6], %[src6] \n\t" |
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| 242 | "mfc1 %[temp7], %[src7] \n\t" |
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| 243 | "sw %[temp0], 0(%[dst]) \n\t" |
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| 244 | "sw %[temp1], 4(%[dst]) \n\t" |
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| 245 | "sw %[temp2], 8(%[dst]) \n\t" |
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| 246 | "sw %[temp3], 12(%[dst]) \n\t" |
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| 247 | "sw %[temp4], 16(%[dst]) \n\t" |
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| 248 | "sw %[temp5], 20(%[dst]) \n\t" |
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| 249 | "sw %[temp6], 24(%[dst]) \n\t" |
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| 250 | "sw %[temp7], 28(%[dst]) \n\t" |
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| 251 | |||
| 252 | : [dst] "+r" (dst), [src] "+r" (src), |
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| 253 | [src0] "=&f" (src0), [src1] "=&f" (src1), |
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| 254 | [src2] "=&f" (src2), [src3] "=&f" (src3), |
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| 255 | [src4] "=&f" (src4), [src5] "=&f" (src5), |
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| 256 | [src6] "=&f" (src6), [src7] "=&f" (src7), |
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| 257 | [temp0] "=r" (temp0), [temp1] "=r" (temp1), |
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| 258 | [temp2] "=r" (temp2), [temp3] "=r" (temp3), |
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| 259 | [temp4] "=r" (temp4), [temp5] "=r" (temp5), |
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| 260 | [temp6] "=r" (temp6), [temp7] "=r" (temp7) |
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| 261 | : [scale] "f" (scale) |
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| 262 | : "memory" |
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| 263 | ); |
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| 264 | src = src + 8; |
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| 265 | dst = dst + 8; |
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| 266 | len -= 8; |
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| 267 | } while (len > 0); |
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| 268 | } |
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| 269 | |||
| 270 | static void ac3_downmix_mips(float **samples, float (*matrix)[2], |
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| 271 | int out_ch, int in_ch, int len) |
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| 272 | { |
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| 273 | int i, j, i1, i2, i3; |
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| 274 | float v0, v1, v2, v3; |
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| 275 | float v4, v5, v6, v7; |
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| 276 | float samples0, samples1, samples2, samples3, matrix_j, matrix_j2; |
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| 277 | float *samples_p,*matrix_p, **samples_x, **samples_end, **samples_sw; |
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| 278 | |||
| 279 | __asm__ volatile( |
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| 280 | ".set push \n\t" |
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| 281 | ".set noreorder \n\t" |
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| 282 | |||
| 283 | "li %[i1], 2 \n\t" |
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| 284 | "sll %[len], 2 \n\t" |
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| 285 | "move %[i], $zero \n\t" |
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| 286 | "sll %[j], %[in_ch], 2 \n\t" |
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| 287 | |||
| 288 | "bne %[out_ch], %[i1], 3f \n\t" // if (out_ch == 2) |
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| 289 | " li %[i2], 1 \n\t" |
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| 290 | |||
| 291 | "2: \n\t" // start of the for loop (for (i = 0; i < len; i+=4)) |
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| 292 | "move %[matrix_p], %[matrix] \n\t" |
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| 293 | "move %[samples_x], %[samples] \n\t" |
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| 294 | "mtc1 $zero, %[v0] \n\t" |
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| 295 | "mtc1 $zero, %[v1] \n\t" |
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| 296 | "mtc1 $zero, %[v2] \n\t" |
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| 297 | "mtc1 $zero, %[v3] \n\t" |
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| 298 | "mtc1 $zero, %[v4] \n\t" |
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| 299 | "mtc1 $zero, %[v5] \n\t" |
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| 300 | "mtc1 $zero, %[v6] \n\t" |
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| 301 | "mtc1 $zero, %[v7] \n\t" |
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| 302 | "addiu %[i1], %[i], 4 \n\t" |
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| 303 | "addiu %[i2], %[i], 8 \n\t" |
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| 304 | "lw %[samples_p], 0(%[samples_x]) \n\t" |
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| 305 | "addiu %[i3], %[i], 12 \n\t" |
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| 306 | "addu %[samples_end], %[samples_x], %[j] \n\t" |
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| 307 | "move %[samples_sw], %[samples_p] \n\t" |
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| 308 | |||
| 309 | "1: \n\t" // start of the inner for loop (for (j = 0; j < in_ch; j++)) |
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| 310 | "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t" |
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| 311 | "lwc1 %[matrix_j2], 4(%[matrix_p]) \n\t" |
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| 312 | "lwxc1 %[samples0], %[i](%[samples_p]) \n\t" |
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| 313 | "lwxc1 %[samples1], %[i1](%[samples_p]) \n\t" |
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| 314 | "lwxc1 %[samples2], %[i2](%[samples_p]) \n\t" |
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| 315 | "lwxc1 %[samples3], %[i3](%[samples_p]) \n\t" |
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| 316 | "addiu %[matrix_p], 8 \n\t" |
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| 317 | "addiu %[samples_x], 4 \n\t" |
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| 318 | "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t" |
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| 319 | "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t" |
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| 320 | "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t" |
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| 321 | "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t" |
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| 322 | "madd.s %[v4], %[v4], %[samples0], %[matrix_j2]\n\t" |
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| 323 | "madd.s %[v5], %[v5], %[samples1], %[matrix_j2]\n\t" |
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| 324 | "madd.s %[v6], %[v6], %[samples2], %[matrix_j2]\n\t" |
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| 325 | "madd.s %[v7], %[v7], %[samples3], %[matrix_j2]\n\t" |
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| 326 | "bne %[samples_x], %[samples_end], 1b \n\t" |
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| 327 | " lw %[samples_p], 0(%[samples_x]) \n\t" |
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| 328 | |||
| 329 | "lw %[samples_p], 4(%[samples]) \n\t" |
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| 330 | "swxc1 %[v0], %[i](%[samples_sw]) \n\t" |
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| 331 | "swxc1 %[v1], %[i1](%[samples_sw]) \n\t" |
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| 332 | "swxc1 %[v2], %[i2](%[samples_sw]) \n\t" |
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| 333 | "swxc1 %[v3], %[i3](%[samples_sw]) \n\t" |
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| 334 | "swxc1 %[v4], %[i](%[samples_p]) \n\t" |
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| 335 | "addiu %[i], 16 \n\t" |
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| 336 | "swxc1 %[v5], %[i1](%[samples_p]) \n\t" |
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| 337 | "swxc1 %[v6], %[i2](%[samples_p]) \n\t" |
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| 338 | "bne %[i], %[len], 2b \n\t" |
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| 339 | " swxc1 %[v7], %[i3](%[samples_p]) \n\t" |
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| 340 | |||
| 341 | "3: \n\t" |
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| 342 | "bne %[out_ch], %[i2], 6f \n\t" // if (out_ch == 1) |
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| 343 | " nop \n\t" |
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| 344 | |||
| 345 | "5: \n\t" // start of the outer for loop (for (i = 0; i < len; i+=4)) |
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| 346 | "move %[matrix_p], %[matrix] \n\t" |
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| 347 | "move %[samples_x], %[samples] \n\t" |
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| 348 | "mtc1 $zero, %[v0] \n\t" |
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| 349 | "mtc1 $zero, %[v1] \n\t" |
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| 350 | "mtc1 $zero, %[v2] \n\t" |
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| 351 | "mtc1 $zero, %[v3] \n\t" |
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| 352 | "addiu %[i1], %[i], 4 \n\t" |
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| 353 | "addiu %[i2], %[i], 8 \n\t" |
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| 354 | "lw %[samples_p], 0(%[samples_x]) \n\t" |
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| 355 | "addiu %[i3], %[i], 12 \n\t" |
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| 356 | "addu %[samples_end], %[samples_x], %[j] \n\t" |
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| 357 | "move %[samples_sw], %[samples_p] \n\t" |
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| 358 | |||
| 359 | "4: \n\t" // start of the inner for loop (for (j = 0; j < in_ch; j++)) |
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| 360 | "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t" |
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| 361 | "lwxc1 %[samples0], %[i](%[samples_p]) \n\t" |
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| 362 | "lwxc1 %[samples1], %[i1](%[samples_p]) \n\t" |
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| 363 | "lwxc1 %[samples2], %[i2](%[samples_p]) \n\t" |
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| 364 | "lwxc1 %[samples3], %[i3](%[samples_p]) \n\t" |
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| 365 | "addiu %[matrix_p], 8 \n\t" |
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| 366 | "addiu %[samples_x], 4 \n\t" |
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| 367 | "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t" |
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| 368 | "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t" |
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| 369 | "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t" |
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| 370 | "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t" |
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| 371 | "bne %[samples_x], %[samples_end], 4b \n\t" |
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| 372 | " lw %[samples_p], 0(%[samples_x]) \n\t" |
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| 373 | |||
| 374 | "swxc1 %[v0], %[i](%[samples_sw]) \n\t" |
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| 375 | "addiu %[i], 16 \n\t" |
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| 376 | "swxc1 %[v1], %[i1](%[samples_sw]) \n\t" |
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| 377 | "swxc1 %[v2], %[i2](%[samples_sw]) \n\t" |
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| 378 | "bne %[i], %[len], 5b \n\t" |
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| 379 | " swxc1 %[v3], %[i3](%[samples_sw]) \n\t" |
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| 380 | "6: \n\t" |
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| 381 | |||
| 382 | ".set pop" |
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| 383 | :[samples_p]"=&r"(samples_p), [matrix_j]"=&f"(matrix_j), [matrix_j2]"=&f"(matrix_j2), |
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| 384 | [samples0]"=&f"(samples0), [samples1]"=&f"(samples1), |
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| 385 | [samples2]"=&f"(samples2), [samples3]"=&f"(samples3), |
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| 386 | [v0]"=&f"(v0), [v1]"=&f"(v1), [v2]"=&f"(v2), [v3]"=&f"(v3), |
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| 387 | [v4]"=&f"(v4), [v5]"=&f"(v5), [v6]"=&f"(v6), [v7]"=&f"(v7), |
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| 388 | [samples_x]"=&r"(samples_x), [matrix_p]"=&r"(matrix_p), |
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| 389 | [samples_end]"=&r"(samples_end), [samples_sw]"=&r"(samples_sw), |
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| 390 | [i1]"=&r"(i1), [i2]"=&r"(i2), [i3]"=&r"(i3), [i]"=&r"(i), |
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| 391 | [j]"=&r"(j), [len]"+r"(len) |
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| 392 | :[samples]"r"(samples), [matrix]"r"(matrix), |
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| 393 | [in_ch]"r"(in_ch), [out_ch]"r"(out_ch) |
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| 394 | :"memory" |
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| 395 | ); |
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| 396 | } |
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| 397 | #endif |
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| 398 | #endif /* HAVE_INLINE_ASM */ |
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| 399 | |||
| 400 | void ff_ac3dsp_init_mips(AC3DSPContext *c, int bit_exact) { |
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| 401 | #if HAVE_INLINE_ASM |
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| 402 | #if HAVE_MIPSDSPR1 |
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| 403 | c->bit_alloc_calc_bap = ac3_bit_alloc_calc_bap_mips; |
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| 404 | c->update_bap_counts = ac3_update_bap_counts_mips; |
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| 405 | #endif |
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| 406 | #if HAVE_MIPSFPU && HAVE_MIPS32R2 |
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| 407 | c->float_to_fixed24 = float_to_fixed24_mips; |
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| 408 | c->downmix = ac3_downmix_mips; |
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| 409 | #endif |
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| 410 | #endif |
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| 411 | |||
| 412 | } |