[5994] | 1 | //filter-slfi-channel2event.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2012-2014 |
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| 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 FLAG_BLACKOUT 0x0001 |
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[5995] | 30 | #define FLAG_FULLON 0x0002 |
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[5994] | 31 | |
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| 32 | struct slfi_channel2event { |
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| 33 | ssize_t channel; |
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| 34 | uint8_t lastvalue; |
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| 35 | uint8_t event; |
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| 36 | int flags; |
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| 37 | int emitting; |
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| 38 | }; |
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| 39 | |
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| 40 | static int __str2bool(const char * str) { |
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| 41 | if ( *str == 'y' || *str == 'j' || *str == '1' || *str == 't' ) |
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| 42 | return 1; |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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| 46 | static int __init(struct roar_slfi_inst * inst, const struct roar_keyval * para, ssize_t paralen) { |
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| 47 | struct slfi_channel2event * self = roar_mm_malloc(sizeof(struct slfi_channel2event)); |
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| 48 | const struct roar_keyval * kv; |
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| 49 | ssize_t i; |
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| 50 | |
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| 51 | if ( self == NULL ) |
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| 52 | return -1; |
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| 53 | |
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| 54 | self->channel = -1; |
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| 55 | self->lastvalue = 0; |
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| 56 | self->event = ROAR_ROARDMX_EVENT_STEP; |
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| 57 | self->flags = FLAG_BLACKOUT|FLAG_FULLON; |
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| 58 | self->emitting = 0; |
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| 59 | inst->userdata = self; |
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| 60 | |
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| 61 | for (i = 0; i < paralen; i++) { |
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| 62 | kv = &(para[i]); |
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| 63 | if ( kv->key == NULL || kv->value == NULL ) |
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| 64 | continue; |
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| 65 | if ( !strcmp(kv->key, "channel") ) { |
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| 66 | self->channel = atoi(kv->value); |
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| 67 | if ( self->channel < 0 ) |
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| 68 | self->channel = 0; |
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| 69 | } else if ( !strcmp(kv->key, "event") ) { |
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| 70 | self->event = roar_roardmx_str2event(kv->value); |
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| 71 | } else if ( !strcmp(kv->key, "blackout") ) { |
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| 72 | self->flags |= FLAG_BLACKOUT; |
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| 73 | if ( !__str2bool(kv->value) ) |
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| 74 | self->flags -= FLAG_BLACKOUT; |
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| 75 | } else if ( !strcmp(kv->key, "fullon") ) { |
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| 76 | self->flags |= FLAG_BLACKOUT; |
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| 77 | if ( !__str2bool(kv->value) ) |
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| 78 | self->flags -= FLAG_BLACKOUT; |
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| 79 | } else { |
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| 80 | ROAR_WARN("__init(*): Unknown parameter: %s", kv->key); |
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| 81 | } |
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| 82 | } |
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| 83 | |
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| 84 | return 0; |
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| 85 | } |
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| 86 | |
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| 87 | 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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| 88 | struct slfi_channel2event * self = inst->userdata; |
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| 89 | register uint8_t value; |
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| 90 | |
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| 91 | (void)usecspassed, (void)event, (void)eventlen; |
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| 92 | |
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| 93 | if ( self->channel >= size_of_universe ) { |
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| 94 | ROAR_WARN("__update(*): Universe too small for filter (source channel=%lu).", (unsigned long int)self->channel); |
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| 95 | roar_err_set(ROAR_ERROR_INVAL); |
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| 96 | return -1; |
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| 97 | } |
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| 98 | |
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| 99 | value = universe[self->channel]; |
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| 100 | if ( (self->flags & FLAG_BLACKOUT) && value == 0x00 ) { |
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[5995] | 101 | if ( self->emitting & FLAG_FULLON ) { |
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| 102 | roar_slfi_event_add(inst, ROAR_ROARDMX_EVENT_FULLON|ROAR_ROARDMX_ETYPE_OFF); |
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| 103 | self->emitting -= FLAG_FULLON; |
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| 104 | } |
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[5994] | 105 | if ( !(self->emitting & FLAG_BLACKOUT) ) { |
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| 106 | roar_slfi_event_add(inst, ROAR_ROARDMX_EVENT_BLACKOUT|ROAR_ROARDMX_ETYPE_ON); |
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| 107 | self->emitting |= FLAG_BLACKOUT; |
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| 108 | } |
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| 109 | } else if ( (self->flags & FLAG_FULLON) && value == 0xFF ) { |
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[5995] | 110 | if ( self->emitting & FLAG_BLACKOUT ) { |
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| 111 | roar_slfi_event_add(inst, ROAR_ROARDMX_EVENT_BLACKOUT|ROAR_ROARDMX_ETYPE_OFF); |
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| 112 | self->emitting -= FLAG_BLACKOUT; |
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| 113 | } |
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[5994] | 114 | if ( !(self->emitting & FLAG_FULLON) ) { |
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| 115 | roar_slfi_event_add(inst, ROAR_ROARDMX_EVENT_FULLON|ROAR_ROARDMX_ETYPE_ON); |
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| 116 | self->emitting |= FLAG_FULLON; |
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| 117 | } |
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| 118 | } else { |
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| 119 | if ( self->emitting & FLAG_BLACKOUT ) { |
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| 120 | roar_slfi_event_add(inst, ROAR_ROARDMX_EVENT_BLACKOUT|ROAR_ROARDMX_ETYPE_OFF); |
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| 121 | self->emitting -= FLAG_BLACKOUT; |
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| 122 | } |
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| 123 | |
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| 124 | if ( self->emitting & FLAG_FULLON ) { |
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| 125 | roar_slfi_event_add(inst, ROAR_ROARDMX_EVENT_FULLON|ROAR_ROARDMX_ETYPE_OFF); |
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| 126 | self->emitting -= FLAG_FULLON; |
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| 127 | } |
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| 128 | |
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| 129 | if ( value != self->lastvalue ) |
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| 130 | roar_slfi_event_add(inst, self->event); |
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| 131 | self->lastvalue = value; |
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| 132 | } |
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| 133 | |
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| 134 | return 0; |
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| 135 | } |
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| 136 | |
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| 137 | static const struct roar_slfi_filter filter[1] = { |
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| 138 | { |
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| 139 | .name = "channel2event", |
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| 140 | .description = "SLFI filter mapping channel data to events", |
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| 141 | .flags = ROAR_SLFI_FLAG_ON_UPDATE, |
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| 142 | .init = __init, |
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| 143 | .uninit = NULL, |
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| 144 | .update = __update, |
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| 145 | .ctl = NULL |
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| 146 | } |
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| 147 | }; |
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| 148 | |
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| 149 | ROAR_DL_PLUGIN_REG_SLFI(filter); |
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| 150 | |
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| 151 | // This is the plugin control block. |
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| 152 | ROAR_DL_PLUGIN_START(filter_slfi_channel2event) { |
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| 153 | // Here we set the name and vendor of our plugin. |
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| 154 | // If you have no Vendor ID you need to use ROAR_DL_PLUGIN_META_PRODUCT_NV(). |
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| 155 | ROAR_DL_PLUGIN_META_PRODUCT_NIV("filter-slfi-channel2event", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO); |
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| 156 | |
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| 157 | // This sets the version of your plugin. |
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| 158 | ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING); |
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| 159 | |
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| 160 | // This sets the license of your plugin. |
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| 161 | // If there is no tag for the license you use you can just |
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| 162 | // use ROAR_DL_PLUGIN_META_LICENSE(). |
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| 163 | ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0); |
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| 164 | |
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| 165 | // This sets the author and contact infos. |
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| 166 | // There are several other macros to do this with other parameters. |
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| 167 | // See ROAR_DL_PLUGIN_META_CONTACT*() in the header or documentation. |
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| 168 | ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org"); |
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| 169 | |
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| 170 | // This sets the description for your plugin. |
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| 171 | ROAR_DL_PLUGIN_META_DESC("This plugin allows to map DMX channel data to RoarDMX events."); |
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| 172 | |
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| 173 | // Load filters. |
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| 174 | ROAR_DL_PLUGIN_REG_FNFUNC(ROAR_DL_FN_FILTER); |
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| 175 | |
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| 176 | // This is the end of the control block. |
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| 177 | } ROAR_DL_PLUGIN_END |
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| 178 | |
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| 179 | //ll |
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