[5989] | 1 | //filter-slfi-static.c: |
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| 2 | |
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| 3 | /* |
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[6052] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2012-2015 |
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[5989] | 5 | * |
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| 6 | * This file is part of roard 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 | * RoarAudio 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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| 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #include <roaraudio.h> |
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| 27 | #include <libroarlight/libroarlight.h> |
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| 28 | |
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| 29 | #define MAX_EVENTS 8 |
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| 30 | #define MAX_RANGES 32 |
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| 31 | |
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| 32 | struct slfi_range { |
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| 33 | ssize_t start; |
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| 34 | ssize_t end; |
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| 35 | uint8_t value; |
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| 36 | }; |
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| 37 | |
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| 38 | struct slfi_static { |
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| 39 | uint8_t event[MAX_EVENTS]; |
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| 40 | size_t event_len; |
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| 41 | struct slfi_range range[MAX_RANGES]; |
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| 42 | size_t range_len; |
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| 43 | }; |
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| 44 | |
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| 45 | static struct slfi_range __parse_range(const char * str) { |
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| 46 | struct slfi_range range = {0, 0, 0}; |
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| 47 | char * buf = roar_mm_strdup(str); |
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| 48 | char * value; |
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| 49 | char * end; |
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| 50 | |
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| 51 | if ( buf == NULL ) { |
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| 52 | ROAR_ERR("__parse_range(*): Can not allocate memory. Bad."); |
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| 53 | return range; |
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| 54 | } |
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| 55 | |
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| 56 | value = strstr(buf, ":"); |
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| 57 | if ( value != NULL ) { |
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| 58 | *value = 0; |
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| 59 | value++; |
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| 60 | range.value = atoi(value); |
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| 61 | } |
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| 62 | |
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| 63 | end = strstr(buf, "-"); |
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| 64 | if ( end != NULL ) { |
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| 65 | *end = 0; |
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| 66 | end++; |
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| 67 | } |
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| 68 | |
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| 69 | range.start = atoi(buf); |
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| 70 | if ( range.start < 0 ) |
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| 71 | range.start = 0; |
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| 72 | |
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| 73 | range.end = range.start; |
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| 74 | |
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| 75 | if ( end != NULL ) { |
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| 76 | range.end = atoi(end); |
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| 77 | if ( range.end < range.start ) |
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| 78 | range.end = range.start; |
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| 79 | } |
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| 80 | |
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| 81 | roar_mm_free(buf); |
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| 82 | return range; |
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| 83 | } |
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| 84 | |
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| 85 | static int __init(struct roar_slfi_inst * inst, const struct roar_keyval * para, ssize_t paralen) { |
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| 86 | struct slfi_static * self = roar_mm_malloc(sizeof(struct slfi_static)); |
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| 87 | const struct roar_keyval * kv; |
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| 88 | ssize_t i; |
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| 89 | |
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| 90 | if ( self == NULL ) |
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| 91 | return -1; |
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| 92 | |
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| 93 | memset(self, 0, sizeof(*self)); |
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| 94 | inst->userdata = self; |
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| 95 | |
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| 96 | for (i = 0; i < paralen; i++) { |
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| 97 | kv = &(para[i]); |
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| 98 | if ( kv->key == NULL || kv->value == NULL ) |
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| 99 | continue; |
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| 100 | |
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| 101 | if ( !strcmp(kv->key, "event") ) { |
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| 102 | if ( self->event_len == MAX_EVENTS ) { |
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| 103 | ROAR_WARN("__init(*): Can not add (list is full) event: %s", kv->value); |
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| 104 | continue; |
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| 105 | } |
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| 106 | self->event[self->event_len++] = roar_roardmx_str2event(kv->value); |
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| 107 | } else if ( !strcmp(kv->key, "set") || !strcmp(kv->key, "sset") || !strcmp(kv->key, "clear") || |
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| 108 | !strcmp(kv->key, "rangeset") || !strcmp(kv->key, "rangeclear") ) { |
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| 109 | if ( self->range_len == MAX_RANGES ) { |
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| 110 | ROAR_WARN("__init(*): Can not add (list is full) range: %s", kv->value); |
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| 111 | continue; |
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| 112 | } |
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| 113 | self->range[self->range_len++] = __parse_range(kv->value); |
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| 114 | } else { |
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| 115 | ROAR_WARN("__init(*): Unknown parameter: %s", kv->key); |
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| 116 | } |
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| 117 | } |
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| 118 | |
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| 119 | return 0; |
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| 120 | } |
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| 121 | |
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| 122 | static int __update(struct roar_slfi_inst * inst, uint8_t * universe, ssize_t size_of_universe, int32_t usecspassed, const uint8_t * event, size_t eventlen) { |
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| 123 | struct slfi_static * self = inst->userdata; |
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| 124 | size_t i; |
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| 125 | ssize_t j; |
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| 126 | |
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| 127 | (void)inst, (void)usecspassed, (void)event, (void)eventlen; |
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| 128 | |
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| 129 | for (i = 0; i < self->event_len; i++) |
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| 130 | roar_slfi_event_add(inst, self->event[i]); |
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| 131 | |
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| 132 | for (i = 0; i < self->range_len; i++) { |
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| 133 | for (j = self->range[i].start; j <= self->range[i].end; j++) { |
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| 134 | if ( j >= size_of_universe ) { |
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| 135 | ROAR_WARN("__update(*): Universe too small for filter (range=%lu, channel=%lu).", (unsigned long int)i, (unsigned long int)j); |
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| 136 | break; |
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| 137 | } |
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| 138 | universe[j] = self->range[i].value; |
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| 139 | } |
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| 140 | } |
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| 141 | |
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| 142 | return 0; |
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| 143 | } |
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| 144 | |
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| 145 | static const struct roar_slfi_filter filter[1] = { |
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| 146 | { |
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| 147 | .name = "static", |
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| 148 | .description = "Static SLFI filter", |
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| 149 | .flags = ROAR_SLFI_FLAG_ON_UPDATE, |
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| 150 | .init = __init, |
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| 151 | .uninit = NULL, |
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| 152 | .update = __update, |
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| 153 | .ctl = NULL |
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| 154 | } |
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| 155 | }; |
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| 156 | |
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| 157 | ROAR_DL_PLUGIN_REG_SLFI(filter); |
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| 158 | |
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| 159 | // This is the plugin control block. |
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| 160 | ROAR_DL_PLUGIN_START(filter_slfi_static) { |
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| 161 | // Here we set the name and vendor of our plugin. |
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| 162 | // If you have no Vendor ID you need to use ROAR_DL_PLUGIN_META_PRODUCT_NV(). |
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| 163 | ROAR_DL_PLUGIN_META_PRODUCT_NIV("filter-slfi-static", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO); |
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| 164 | |
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| 165 | // This sets the version of your plugin. |
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| 166 | ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING); |
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| 167 | |
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| 168 | // This sets the license of your plugin. |
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| 169 | // If there is no tag for the license you use you can just |
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| 170 | // use ROAR_DL_PLUGIN_META_LICENSE(). |
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| 171 | ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0); |
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| 172 | |
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| 173 | // This sets the author and contact infos. |
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| 174 | // There are several other macros to do this with other parameters. |
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| 175 | // See ROAR_DL_PLUGIN_META_CONTACT*() in the header or documentation. |
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| 176 | ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org"); |
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| 177 | |
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| 178 | // This sets the description for your plugin. |
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| 179 | ROAR_DL_PLUGIN_META_DESC("This plugin sets static values."); |
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| 180 | |
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| 181 | // Load filters. |
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| 182 | ROAR_DL_PLUGIN_REG_FNFUNC(ROAR_DL_FN_FILTER); |
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| 183 | |
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| 184 | // This is the end of the control block. |
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| 185 | } ROAR_DL_PLUGIN_END |
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| 186 | |
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| 187 | //ll |
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