ALSA project - the C library reference
|
00001 00011 /* 00012 * This library is free software; you can redistribute it and/or modify 00013 * it under the terms of the GNU Lesser General Public License as 00014 * published by the Free Software Foundation; either version 2.1 of 00015 * the License, or (at your option) any later version. 00016 * 00017 * This program is distributed in the hope that it will be useful, 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00020 * GNU Lesser General Public License for more details. 00021 * 00022 * You should have received a copy of the GNU Lesser General Public 00023 * License along with this library; if not, write to the Free Software 00024 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 * 00026 */ 00027 00028 #ifndef __ALSA_CONF_H 00029 #define __ALSA_CONF_H 00030 00031 #ifdef __cplusplus 00032 extern "C" { 00033 #endif 00034 00043 #define SND_CONFIG_DLSYM_VERSION_EVALUATE _dlsym_config_evaluate_001 00044 00045 #define SND_CONFIG_DLSYM_VERSION_HOOK _dlsym_config_hook_001 00046 00048 typedef enum _snd_config_type { 00050 SND_CONFIG_TYPE_INTEGER, 00052 SND_CONFIG_TYPE_INTEGER64, 00054 SND_CONFIG_TYPE_REAL, 00056 SND_CONFIG_TYPE_STRING, 00058 SND_CONFIG_TYPE_POINTER, 00060 SND_CONFIG_TYPE_COMPOUND = 1024 00061 } snd_config_type_t; 00062 00069 typedef struct _snd_config snd_config_t; 00077 typedef struct _snd_config_iterator *snd_config_iterator_t; 00083 typedef struct _snd_config_update snd_config_update_t; 00084 00085 extern snd_config_t *snd_config; 00086 00087 int snd_config_top(snd_config_t **config); 00088 00089 int snd_config_load(snd_config_t *config, snd_input_t *in); 00090 int snd_config_load_override(snd_config_t *config, snd_input_t *in); 00091 int snd_config_save(snd_config_t *config, snd_output_t *out); 00092 int snd_config_update(void); 00093 int snd_config_update_r(snd_config_t **top, snd_config_update_t **update, const char *path); 00094 int snd_config_update_free(snd_config_update_t *update); 00095 int snd_config_update_free_global(void); 00096 00097 int snd_config_search(snd_config_t *config, const char *key, 00098 snd_config_t **result); 00099 int snd_config_searchv(snd_config_t *config, 00100 snd_config_t **result, ...); 00101 int snd_config_search_definition(snd_config_t *config, 00102 const char *base, const char *key, 00103 snd_config_t **result); 00104 00105 int snd_config_expand(snd_config_t *config, snd_config_t *root, 00106 const char *args, snd_config_t *private_data, 00107 snd_config_t **result); 00108 int snd_config_evaluate(snd_config_t *config, snd_config_t *root, 00109 snd_config_t *private_data, snd_config_t **result); 00110 00111 int snd_config_add(snd_config_t *config, snd_config_t *leaf); 00112 int snd_config_delete(snd_config_t *config); 00113 int snd_config_delete_compound_members(const snd_config_t *config); 00114 int snd_config_copy(snd_config_t **dst, snd_config_t *src); 00115 00116 int snd_config_make(snd_config_t **config, const char *key, 00117 snd_config_type_t type); 00118 int snd_config_make_integer(snd_config_t **config, const char *key); 00119 int snd_config_make_integer64(snd_config_t **config, const char *key); 00120 int snd_config_make_real(snd_config_t **config, const char *key); 00121 int snd_config_make_string(snd_config_t **config, const char *key); 00122 int snd_config_make_pointer(snd_config_t **config, const char *key); 00123 int snd_config_make_compound(snd_config_t **config, const char *key, int join); 00124 00125 int snd_config_imake_integer(snd_config_t **config, const char *key, const long value); 00126 int snd_config_imake_integer64(snd_config_t **config, const char *key, const long long value); 00127 int snd_config_imake_real(snd_config_t **config, const char *key, const double value); 00128 int snd_config_imake_string(snd_config_t **config, const char *key, const char *ascii); 00129 int snd_config_imake_pointer(snd_config_t **config, const char *key, const void *ptr); 00130 00131 snd_config_type_t snd_config_get_type(const snd_config_t *config); 00132 00133 int snd_config_set_id(snd_config_t *config, const char *id); 00134 int snd_config_set_integer(snd_config_t *config, long value); 00135 int snd_config_set_integer64(snd_config_t *config, long long value); 00136 int snd_config_set_real(snd_config_t *config, double value); 00137 int snd_config_set_string(snd_config_t *config, const char *value); 00138 int snd_config_set_ascii(snd_config_t *config, const char *ascii); 00139 int snd_config_set_pointer(snd_config_t *config, const void *ptr); 00140 int snd_config_get_id(const snd_config_t *config, const char **value); 00141 int snd_config_get_integer(const snd_config_t *config, long *value); 00142 int snd_config_get_integer64(const snd_config_t *config, long long *value); 00143 int snd_config_get_real(const snd_config_t *config, double *value); 00144 int snd_config_get_ireal(const snd_config_t *config, double *value); 00145 int snd_config_get_string(const snd_config_t *config, const char **value); 00146 int snd_config_get_ascii(const snd_config_t *config, char **value); 00147 int snd_config_get_pointer(const snd_config_t *config, const void **value); 00148 int snd_config_test_id(const snd_config_t *config, const char *id); 00149 00150 snd_config_iterator_t snd_config_iterator_first(const snd_config_t *node); 00151 snd_config_iterator_t snd_config_iterator_next(const snd_config_iterator_t iterator); 00152 snd_config_iterator_t snd_config_iterator_end(const snd_config_t *node); 00153 snd_config_t *snd_config_iterator_entry(const snd_config_iterator_t iterator); 00154 00172 #define snd_config_for_each(pos, next, node) \ 00173 for (pos = snd_config_iterator_first(node), next = snd_config_iterator_next(pos); pos != snd_config_iterator_end(node); pos = next, next = snd_config_iterator_next(pos)) 00174 00175 /* Misc functions */ 00176 00177 int snd_config_get_bool_ascii(const char *ascii); 00178 int snd_config_get_bool(const snd_config_t *conf); 00179 int snd_config_get_ctl_iface_ascii(const char *ascii); 00180 int snd_config_get_ctl_iface(const snd_config_t *conf); 00181 00182 /* Names functions */ 00183 00187 typedef struct snd_devname snd_devname_t; 00188 00192 struct snd_devname { 00193 char *name; 00194 char *comment; 00195 snd_devname_t *next; 00196 }; 00197 00198 int snd_names_list(const char *iface, snd_devname_t **list); 00199 void snd_names_list_free(snd_devname_t *list); 00200 00203 #ifdef __cplusplus 00204 } 00205 #endif 00206 00207 #endif /* __ALSA_CONF_H */