4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <polyp/xmalloc.h>
33 #include <polypcore/hashmap.h>
34 #include <polypcore/idxset.h>
35 #include <polypcore/sample-util.h>
36 #include <polypcore/namereg.h>
37 #include <polypcore/sink.h>
38 #include <polypcore/source.h>
39 #include <polypcore/core-util.h>
47 static int add_key_value(pa_hashmap *map, char *key, char *value, const char* const valid_keys[]) {
49 assert(map && key && value);
53 for (v = valid_keys; *v; v++)
54 if (strcmp(*v, key) == 0)
64 e = pa_xmalloc(sizeof(struct entry));
67 pa_hashmap_put(map, key, e);
71 pa_modargs *pa_modargs_new(const char *args, const char* const* valid_keys) {
72 pa_hashmap *map = NULL;
74 map = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
78 enum { WHITESPACE, KEY, VALUE_START, VALUE_SIMPLE, VALUE_DOUBLE_QUOTES, VALUE_TICKS } state;
79 const char *p, *key, *value;
80 size_t key_len = 0, value_len = 0;
84 for (p = args; *p; p++) {
89 else if (!isspace(*p)) {
106 } else if (*p == '"') {
107 state = VALUE_DOUBLE_QUOTES;
110 } else if (isspace(*p)) {
111 if (add_key_value(map, pa_xstrndup(key, key_len), pa_xstrdup(""), valid_keys) < 0)
115 state = VALUE_SIMPLE;
122 if (add_key_value(map, pa_xstrndup(key, key_len), pa_xstrndup(value, value_len), valid_keys) < 0)
128 case VALUE_DOUBLE_QUOTES:
130 if (add_key_value(map, pa_xstrndup(key, key_len), pa_xstrndup(value, value_len), valid_keys) < 0)
138 if (add_key_value(map, pa_xstrndup(key, key_len), pa_xstrndup(value, value_len), valid_keys) < 0)
147 if (state == VALUE_START) {
148 if (add_key_value(map, pa_xstrndup(key, key_len), pa_xstrdup(""), valid_keys) < 0)
150 } else if (state == VALUE_SIMPLE) {
151 if (add_key_value(map, pa_xstrndup(key, key_len), pa_xstrdup(value), valid_keys) < 0)
153 } else if (state != WHITESPACE)
157 return (pa_modargs*) map;
162 pa_modargs_free((pa_modargs*) map);
168 static void free_func(void *p, PA_GCC_UNUSED void*userdata) {
176 void pa_modargs_free(pa_modargs*ma) {
177 pa_hashmap *map = (pa_hashmap*) ma;
178 pa_hashmap_free(map, free_func, NULL);
181 const char *pa_modargs_get_value(pa_modargs *ma, const char *key, const char *def) {
182 pa_hashmap *map = (pa_hashmap*) ma;
185 if (!(e = pa_hashmap_get(map, key)))
191 int pa_modargs_get_value_u32(pa_modargs *ma, const char *key, uint32_t *value) {
193 assert(ma && key && value);
195 if (!(v = pa_modargs_get_value(ma, key, NULL)))
198 if (pa_atou(v, value) < 0)
204 int pa_modargs_get_value_s32(pa_modargs *ma, const char *key, int32_t *value) {
206 assert(ma && key && value);
208 if (!(v = pa_modargs_get_value(ma, key, NULL)))
211 if (pa_atoi(v, value) < 0)
217 int pa_modargs_get_value_boolean(pa_modargs *ma, const char *key, int *value) {
220 assert(ma && key && value);
222 if (!(v = pa_modargs_get_value(ma, key, NULL)))
228 if ((r = pa_parse_boolean(v)) < 0)
235 int pa_modargs_get_sample_spec(pa_modargs *ma, pa_sample_spec *rss) {
244 if ((pa_modargs_get_value_u32(ma, "rate", &ss.rate)) < 0)
247 channels = ss.channels;
248 if ((pa_modargs_get_value_u32(ma, "channels", &channels)) < 0)
250 ss.channels = (uint8_t) channels;
252 if ((format = pa_modargs_get_value(ma, "format", NULL)))
253 if ((ss.format = pa_parse_sample_format(format)) < 0)
256 if (!pa_sample_spec_valid(&ss))
264 int pa_modargs_get_channel_map(pa_modargs *ma, pa_channel_map *rmap) {
273 if ((cm = pa_modargs_get_value(ma, "channel_map", NULL)))
274 if (!pa_channel_map_parse(&map, cm))
277 if (!pa_channel_map_valid(&map))
284 int pa_modargs_get_sample_spec_and_channel_map(pa_modargs *ma, pa_sample_spec *rss, pa_channel_map *rmap, pa_channel_map_def_t def) {
294 if (pa_modargs_get_sample_spec(ma, &ss) < 0)
297 if (!pa_channel_map_init_auto(&map, ss.channels, def))
300 if (pa_modargs_get_channel_map(ma, &map) < 0)
303 if (map.channels != ss.channels)