1 | //filter-slfi-static.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2012-2015 |
---|
5 | * |
---|
6 | * This file is part of roard a part of RoarAudio, |
---|
7 | * a cross-platform sound system for both, home and professional use. |
---|
8 | * See README for details. |
---|
9 | * |
---|
10 | * This file is free software; you can redistribute it and/or modify |
---|
11 | * it under the terms of the GNU General Public License version 3 |
---|
12 | * as published by the Free Software Foundation. |
---|
13 | * |
---|
14 | * RoarAudio is distributed in the hope that it will be useful, |
---|
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
17 | * GNU General Public License for more details. |
---|
18 | * |
---|
19 | * You should have received a copy of the GNU General Public License |
---|
20 | * along with this software; see the file COPYING. If not, write to |
---|
21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
22 | * Boston, MA 02110-1301, USA. |
---|
23 | * |
---|
24 | */ |
---|
25 | |
---|
26 | #include <roaraudio.h> |
---|
27 | #include <libroarlight/libroarlight.h> |
---|
28 | |
---|
29 | #define MAX_EVENTS 8 |
---|
30 | #define MAX_RANGES 32 |
---|
31 | |
---|
32 | struct slfi_range { |
---|
33 | ssize_t start; |
---|
34 | ssize_t end; |
---|
35 | uint8_t value; |
---|
36 | }; |
---|
37 | |
---|
38 | struct slfi_static { |
---|
39 | uint8_t event[MAX_EVENTS]; |
---|
40 | size_t event_len; |
---|
41 | struct slfi_range range[MAX_RANGES]; |
---|
42 | size_t range_len; |
---|
43 | }; |
---|
44 | |
---|
45 | static struct slfi_range __parse_range(const char * str) { |
---|
46 | struct slfi_range range = {0, 0, 0}; |
---|
47 | char * buf = roar_mm_strdup(str); |
---|
48 | char * value; |
---|
49 | char * end; |
---|
50 | |
---|
51 | if ( buf == NULL ) { |
---|
52 | ROAR_ERR("__parse_range(*): Can not allocate memory. Bad."); |
---|
53 | return range; |
---|
54 | } |
---|
55 | |
---|
56 | value = strstr(buf, ":"); |
---|
57 | if ( value != NULL ) { |
---|
58 | *value = 0; |
---|
59 | value++; |
---|
60 | range.value = atoi(value); |
---|
61 | } |
---|
62 | |
---|
63 | end = strstr(buf, "-"); |
---|
64 | if ( end != NULL ) { |
---|
65 | *end = 0; |
---|
66 | end++; |
---|
67 | } |
---|
68 | |
---|
69 | range.start = atoi(buf); |
---|
70 | if ( range.start < 0 ) |
---|
71 | range.start = 0; |
---|
72 | |
---|
73 | range.end = range.start; |
---|
74 | |
---|
75 | if ( end != NULL ) { |
---|
76 | range.end = atoi(end); |
---|
77 | if ( range.end < range.start ) |
---|
78 | range.end = range.start; |
---|
79 | } |
---|
80 | |
---|
81 | roar_mm_free(buf); |
---|
82 | return range; |
---|
83 | } |
---|
84 | |
---|
85 | static int __init(struct roar_slfi_inst * inst, const struct roar_keyval * para, ssize_t paralen) { |
---|
86 | struct slfi_static * self = roar_mm_malloc(sizeof(struct slfi_static)); |
---|
87 | const struct roar_keyval * kv; |
---|
88 | ssize_t i; |
---|
89 | |
---|
90 | if ( self == NULL ) |
---|
91 | return -1; |
---|
92 | |
---|
93 | memset(self, 0, sizeof(*self)); |
---|
94 | inst->userdata = self; |
---|
95 | |
---|
96 | for (i = 0; i < paralen; i++) { |
---|
97 | kv = &(para[i]); |
---|
98 | if ( kv->key == NULL || kv->value == NULL ) |
---|
99 | continue; |
---|
100 | |
---|
101 | if ( !strcmp(kv->key, "event") ) { |
---|
102 | if ( self->event_len == MAX_EVENTS ) { |
---|
103 | ROAR_WARN("__init(*): Can not add (list is full) event: %s", kv->value); |
---|
104 | continue; |
---|
105 | } |
---|
106 | self->event[self->event_len++] = roar_roardmx_str2event(kv->value); |
---|
107 | } else if ( !strcmp(kv->key, "set") || !strcmp(kv->key, "sset") || !strcmp(kv->key, "clear") || |
---|
108 | !strcmp(kv->key, "rangeset") || !strcmp(kv->key, "rangeclear") ) { |
---|
109 | if ( self->range_len == MAX_RANGES ) { |
---|
110 | ROAR_WARN("__init(*): Can not add (list is full) range: %s", kv->value); |
---|
111 | continue; |
---|
112 | } |
---|
113 | self->range[self->range_len++] = __parse_range(kv->value); |
---|
114 | } else { |
---|
115 | ROAR_WARN("__init(*): Unknown parameter: %s", kv->key); |
---|
116 | } |
---|
117 | } |
---|
118 | |
---|
119 | return 0; |
---|
120 | } |
---|
121 | |
---|
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) { |
---|
123 | struct slfi_static * self = inst->userdata; |
---|
124 | size_t i; |
---|
125 | ssize_t j; |
---|
126 | |
---|
127 | (void)inst, (void)usecspassed, (void)event, (void)eventlen; |
---|
128 | |
---|
129 | for (i = 0; i < self->event_len; i++) |
---|
130 | roar_slfi_event_add(inst, self->event[i]); |
---|
131 | |
---|
132 | for (i = 0; i < self->range_len; i++) { |
---|
133 | for (j = self->range[i].start; j <= self->range[i].end; j++) { |
---|
134 | if ( j >= size_of_universe ) { |
---|
135 | ROAR_WARN("__update(*): Universe too small for filter (range=%lu, channel=%lu).", (unsigned long int)i, (unsigned long int)j); |
---|
136 | break; |
---|
137 | } |
---|
138 | universe[j] = self->range[i].value; |
---|
139 | } |
---|
140 | } |
---|
141 | |
---|
142 | return 0; |
---|
143 | } |
---|
144 | |
---|
145 | static const struct roar_slfi_filter filter[1] = { |
---|
146 | { |
---|
147 | .name = "static", |
---|
148 | .description = "Static SLFI filter", |
---|
149 | .flags = ROAR_SLFI_FLAG_ON_UPDATE, |
---|
150 | .init = __init, |
---|
151 | .uninit = NULL, |
---|
152 | .update = __update, |
---|
153 | .ctl = NULL |
---|
154 | } |
---|
155 | }; |
---|
156 | |
---|
157 | ROAR_DL_PLUGIN_REG_SLFI(filter); |
---|
158 | |
---|
159 | // This is the plugin control block. |
---|
160 | ROAR_DL_PLUGIN_START(filter_slfi_static) { |
---|
161 | // Here we set the name and vendor of our plugin. |
---|
162 | // If you have no Vendor ID you need to use ROAR_DL_PLUGIN_META_PRODUCT_NV(). |
---|
163 | ROAR_DL_PLUGIN_META_PRODUCT_NIV("filter-slfi-static", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO); |
---|
164 | |
---|
165 | // This sets the version of your plugin. |
---|
166 | ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING); |
---|
167 | |
---|
168 | // This sets the license of your plugin. |
---|
169 | // If there is no tag for the license you use you can just |
---|
170 | // use ROAR_DL_PLUGIN_META_LICENSE(). |
---|
171 | ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0); |
---|
172 | |
---|
173 | // This sets the author and contact infos. |
---|
174 | // There are several other macros to do this with other parameters. |
---|
175 | // See ROAR_DL_PLUGIN_META_CONTACT*() in the header or documentation. |
---|
176 | ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org"); |
---|
177 | |
---|
178 | // This sets the description for your plugin. |
---|
179 | ROAR_DL_PLUGIN_META_DESC("This plugin sets static values."); |
---|
180 | |
---|
181 | // Load filters. |
---|
182 | ROAR_DL_PLUGIN_REG_FNFUNC(ROAR_DL_FN_FILTER); |
---|
183 | |
---|
184 | // This is the end of the control block. |
---|
185 | } ROAR_DL_PLUGIN_END |
---|
186 | |
---|
187 | //ll |
---|