[2996] | 1 | //filter_speex_prep.c: |
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| 2 | |
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| 3 | /* |
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[5823] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2013 |
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[2996] | 5 | * |
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| 6 | * This file is part of libroardsp a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroardsp is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[2996] | 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #include "libroardsp.h" |
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| 27 | |
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| 28 | #ifdef _SPEEX_TYPES_H |
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[3003] | 29 | |
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| 30 | #if defined(ROAR_HAVE_LIBSPEEX) && !defined(ROAR_HAVE_LIBSPEEXDSP) |
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| 31 | #define _SPEEX_API_OLD |
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[3005] | 32 | #define _SPEEX_INT int |
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[3003] | 33 | #elif defined(ROAR_HAVE_LIBSPEEX) && defined(ROAR_HAVE_LIBSPEEXDSP) |
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| 34 | #define _SPEEX_API_NEW |
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[3005] | 35 | #define _SPEEX_INT spx_int32_t |
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[3003] | 36 | #endif |
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| 37 | |
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[3005] | 38 | #define _on 1 |
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| 39 | #define _off 2 |
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| 40 | |
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| 41 | #define _CBVM(opt) (ROARDSP_SPEEX_PREP_CBV((opt), ROARDSP_SPEEX_PREP_MASK)) |
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| 42 | |
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[2996] | 43 | // TODO: check parameters we allready know: |
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| 44 | int roardsp_speex_prep_init (struct roardsp_filter * filter, struct roar_stream * stream, int id) { |
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[2997] | 45 | struct roardsp_speex_prep * self; |
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| 46 | |
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| 47 | if ( filter->channels != 1 ) |
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| 48 | return -1; |
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| 49 | |
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| 50 | if ( filter->bits != 16 ) |
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| 51 | return -1; |
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| 52 | |
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| 53 | self = roar_mm_malloc(sizeof(struct roardsp_speex_prep)); |
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[2996] | 54 | |
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| 55 | if ( self == NULL ) |
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| 56 | return -1; |
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| 57 | |
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| 58 | memset(self, 0, sizeof(struct roardsp_speex_prep)); |
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| 59 | |
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[3011] | 60 | filter->inst = self; |
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| 61 | |
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[2996] | 62 | return 0; |
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| 63 | } |
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| 64 | |
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| 65 | int roardsp_speex_prep_uninit (struct roardsp_filter * filter) { |
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| 66 | struct roardsp_speex_prep * self = filter->inst; |
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| 67 | |
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| 68 | if ( self->preprocess != NULL ) |
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| 69 | speex_preprocess_state_destroy(self->preprocess); |
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| 70 | |
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| 71 | roar_mm_free(self); |
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| 72 | |
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| 73 | return 0; |
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| 74 | } |
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| 75 | |
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[2998] | 76 | int roardsp_speex_prep_calc161(struct roardsp_filter * filter, void * data, size_t samples) { |
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[3003] | 77 | struct roardsp_speex_prep * self = filter->inst; |
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| 78 | |
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| 79 | if ( self->preprocess == NULL ) |
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| 80 | return -1; |
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| 81 | |
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[3014] | 82 | if ( samples != ((self->frame_size * filter->bits) / 8) ) |
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[3003] | 83 | return -1; |
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| 84 | |
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| 85 | #ifdef _SPEEX_API_OLD |
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| 86 | speex_preprocess(self->preprocess, data, NULL); |
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| 87 | #elif defined(_SPEEX_API_NEW) |
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| 88 | speex_preprocess_run(self->preprocess, data); |
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| 89 | #else |
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[2998] | 90 | return -1; |
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[3003] | 91 | #endif |
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| 92 | |
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| 93 | return 0; |
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[2998] | 94 | } |
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| 95 | |
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[2996] | 96 | int roardsp_speex_prep_ctl (struct roardsp_filter * filter, int cmd, void * data) { |
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| 97 | struct roardsp_speex_prep * self = filter->inst; |
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[3005] | 98 | union { |
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| 99 | size_t size; |
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| 100 | int32_t i32; |
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| 101 | } * val = data; |
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| 102 | _SPEEX_INT si; |
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[2996] | 103 | |
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| 104 | switch (cmd) { |
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[3005] | 105 | case ROARDSP_FCTL_MODE: |
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| 106 | if ( self->preprocess == NULL ) |
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| 107 | return -1; |
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| 108 | |
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[3011] | 109 | ROAR_DBG("roardsp_speex_prep_ctl(*): val->i32 = 0x%.8x", val->i32); |
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| 110 | ROAR_DBG("roardsp_speex_prep_ctl(*): _CBVM(ROARDSP_SPEEX_PREP_DENOISE) = 0x%.8x", _CBVM(ROARDSP_SPEEX_PREP_DENOISE)); |
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| 111 | |
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[3005] | 112 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_DENOISE) ) { |
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[3011] | 113 | ROAR_DBG("roardsp_speex_prep_ctl(*): ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32) = 0x%.8x", ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)); |
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[3005] | 114 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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| 115 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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| 116 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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| 117 | default: return -1; |
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| 118 | } |
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| 119 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_DENOISE, &si); |
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[3011] | 120 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_DENOISE); |
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[3005] | 121 | } |
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| 122 | |
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| 123 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_AGC) ) { |
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| 124 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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| 125 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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| 126 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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| 127 | default: return -1; |
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| 128 | } |
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| 129 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_AGC, &si); |
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[3011] | 130 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_AGC); |
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[3005] | 131 | } |
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| 132 | |
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| 133 | if ( val->i32 & _CBVM(ROARDSP_SPEEX_PREP_VAD) ) { |
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| 134 | switch (ROARDSP_SPEEX_PREP_CTB(ROARDSP_SPEEX_PREP_DENOISE, val->i32)) { |
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| 135 | case ROARDSP_SPEEX_PREP_ON: si = _on; break; |
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| 136 | case ROARDSP_SPEEX_PREP_OFF: si = _off; break; |
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| 137 | default: return -1; |
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| 138 | } |
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| 139 | speex_preprocess_ctl(self->preprocess, SPEEX_PREPROCESS_SET_VAD, &si); |
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[3011] | 140 | val->i32 -= val->i32 & _CBVM(ROARDSP_SPEEX_PREP_VAD); |
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[3005] | 141 | } |
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| 142 | |
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| 143 | // any other options left? error: |
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| 144 | if ( val->i32 ) |
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| 145 | return -1; |
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| 146 | |
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| 147 | return 0; |
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| 148 | break; |
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[2996] | 149 | case ROARDSP_FCTL_PACKET_SIZE: |
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[3005] | 150 | self->frame_size = val->size; |
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[2996] | 151 | |
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| 152 | self->preprocess = speex_preprocess_state_init(self->frame_size, filter->rate); |
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| 153 | if ( self->preprocess == NULL ) |
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| 154 | return -1; |
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| 155 | |
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| 156 | return 0; |
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| 157 | break; |
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| 158 | } |
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| 159 | |
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| 160 | return -1; |
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| 161 | } |
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| 162 | |
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| 163 | int roardsp_speex_prep_reset (struct roardsp_filter * filter, int what) { |
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| 164 | if ( what == ROARDSP_RESET_NONE ) |
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| 165 | return 0; |
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| 166 | |
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| 167 | return -1; |
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| 168 | } |
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| 169 | #endif |
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| 170 | |
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| 171 | //ll |
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