Application interface library for the ALSA driver. More...
Include dependency graph for conf.h:
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Data Structures | |
| struct | snd_devname_t |
Macros | |
| #define | SND_CONFIG_DLSYM_VERSION_EVALUATE _dlsym_config_evaluate_001 |
dlsym version for the config evaluate callback. | |
| #define | SND_CONFIG_DLSYM_VERSION_HOOK _dlsym_config_hook_001 |
dlsym version for the config hook callback. | |
| #define | snd_config_for_each(pos, next, node) 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)) |
| Helper macro to iterate over the children of a compound node. | |
Typedefs | |
| typedef struct _snd_config | snd_config_t |
| Internal structure for a configuration node object. | |
| typedef struct _snd_config_iterator * | snd_config_iterator_t |
| Type for a configuration compound iterator. | |
| typedef struct _snd_config_update | snd_config_update_t |
| Internal structure for a configuration private update object. | |
| typedef int(* | snd_config_expand_fcn_t) (snd_config_t **dst, const char *s, void *private_data) |
| custom expansion callback | |
Enumerations | |
| enum | snd_config_type_t { SND_CONFIG_TYPE_INTEGER , SND_CONFIG_TYPE_INTEGER64 , SND_CONFIG_TYPE_REAL , SND_CONFIG_TYPE_STRING , SND_CONFIG_TYPE_POINTER , SND_CONFIG_TYPE_COMPOUND = 1024 } |
| Configuration node type. More... | |
Functions | |
| const char * | snd_config_topdir (void) |
| Returns the default top-level config directory. | |
| int | snd_config_top (snd_config_t **config) |
| Creates a top level configuration node. | |
| int | snd_config_load (snd_config_t *config, snd_input_t *in) |
| Loads a configuration tree. | |
| int | snd_config_load_string (snd_config_t **config, const char *s, size_t size) |
| Loads a configuration tree from a string. | |
| int | snd_config_load_override (snd_config_t *config, snd_input_t *in) |
| Loads a configuration tree and overrides existing configuration nodes. | |
| int | snd_config_save (snd_config_t *config, snd_output_t *out) |
| Dumps the contents of a configuration node or tree. | |
| int | snd_config_update (void) |
| Updates snd_config by rereading the global configuration files (if needed). | |
| int | snd_config_update_r (snd_config_t **top, snd_config_update_t **update, const char *path) |
| Updates a configuration tree by rereading the configuration files (if needed). | |
| int | snd_config_update_free (snd_config_update_t *update) |
| Frees a private update structure. | |
| int | snd_config_update_free_global (void) |
| Frees the global configuration tree in snd_config. | |
| int | snd_config_update_ref (snd_config_t **top) |
| Updates snd_config and takes its reference. | |
| void | snd_config_ref (snd_config_t *top) |
| Take the reference of the config tree. | |
| void | snd_config_unref (snd_config_t *top) |
| Unreference the config tree. | |
| int | snd_config_search (snd_config_t *config, const char *key, snd_config_t **result) |
| Searches for a node in a configuration tree. | |
| int | snd_config_searchv (snd_config_t *config, snd_config_t **result,...) |
| Searches for a node in a configuration tree. | |
| int | snd_config_search_definition (snd_config_t *config, const char *base, const char *key, snd_config_t **result) |
| Searches for a definition in a configuration tree, using aliases and expanding hooks and arguments. | |
| int | snd_config_expand_custom (snd_config_t *config, snd_config_t *root, snd_config_expand_fcn_t fcn, void *private_data, snd_config_t **result) |
| Expands a configuration node, applying arguments and functions. | |
| int | snd_config_expand (snd_config_t *config, snd_config_t *root, const char *args, snd_config_t *private_data, snd_config_t **result) |
| Expands a configuration node, applying arguments and functions. | |
| int | snd_config_evaluate (snd_config_t *config, snd_config_t *root, snd_config_t *private_data, snd_config_t **result) |
| Evaluates a configuration node at runtime. | |
| int | snd_config_evaluate_string (snd_config_t **dst, const char *s, snd_config_expand_fcn_t fcn, void *private_data) |
| Evaluate an math expression in the string. | |
| int | snd_config_add (snd_config_t *config, snd_config_t *child) |
| Adds a child to a compound configuration node. | |
| int | snd_config_add_before (snd_config_t *before, snd_config_t *child) |
| Adds a child before another child configuration node. | |
| int | snd_config_add_after (snd_config_t *after, snd_config_t *child) |
| Adds a child after another child configuration node. | |
| int | snd_config_remove (snd_config_t *config) |
| Removes a configuration node from its tree. | |
| int | snd_config_delete (snd_config_t *config) |
| Frees a configuration node. | |
| int | snd_config_delete_compound_members (const snd_config_t *config) |
| Deletes the children of a node. | |
| int | snd_config_copy (snd_config_t **dst, snd_config_t *src) |
| Creates a copy of a configuration node. | |
| int | snd_config_substitute (snd_config_t *dst, snd_config_t *src) |
| Substitutes one configuration node to another. | |
| int | snd_config_merge (snd_config_t *dst, snd_config_t *src, int override) |
| In-place merge of two config handles. | |
| int | snd_config_make (snd_config_t **config, const char *key, snd_config_type_t type) |
| Creates a configuration node. | |
| int | snd_config_make_integer (snd_config_t **config, const char *key) |
| Creates an integer configuration node. | |
| int | snd_config_make_integer64 (snd_config_t **config, const char *key) |
| Creates a 64-bit-integer configuration node. | |
| int | snd_config_make_real (snd_config_t **config, const char *key) |
| Creates a real number configuration node. | |
| int | snd_config_make_string (snd_config_t **config, const char *key) |
| Creates a string configuration node. | |
| int | snd_config_make_pointer (snd_config_t **config, const char *key) |
| Creates a pointer configuration node. | |
| int | snd_config_make_compound (snd_config_t **config, const char *key, int join) |
| Creates an empty compound configuration node. | |
| int | snd_config_make_path (snd_config_t **config, snd_config_t *root, const char *key, int join, int override) |
| Creates an empty compound configuration node in the path. | |
| int | snd_config_imake_integer (snd_config_t **config, const char *key, const long value) |
| Creates an integer configuration node with the given initial value. | |
| int | snd_config_imake_integer64 (snd_config_t **config, const char *key, const long long value) |
| Creates a 64-bit-integer configuration node with the given initial value. | |
| int | snd_config_imake_real (snd_config_t **config, const char *key, const double value) |
| Creates a real number configuration node with the given initial value. | |
| int | snd_config_imake_string (snd_config_t **config, const char *key, const char *ascii) |
| Creates a string configuration node with the given initial value. | |
| int | snd_config_imake_safe_string (snd_config_t **config, const char *key, const char *ascii) |
| Creates a string configuration node with the given initial value. | |
| int | snd_config_imake_pointer (snd_config_t **config, const char *key, const void *ptr) |
| Creates a pointer configuration node with the given initial value. | |
| snd_config_type_t | snd_config_get_type (const snd_config_t *config) |
| Returns the type of a configuration node. | |
| int | snd_config_is_array (const snd_config_t *config) |
| Returns if the compound is an array (and count of items). | |
| int | snd_config_is_empty (const snd_config_t *config) |
| Returns if the compound has no fields (is empty). | |
| int | snd_config_set_id (snd_config_t *config, const char *id) |
| Sets the id of a configuration node. | |
| int | snd_config_set_integer (snd_config_t *config, long value) |
| Changes the value of an integer configuration node. | |
| int | snd_config_set_integer64 (snd_config_t *config, long long value) |
| Changes the value of a 64-bit-integer configuration node. | |
| int | snd_config_set_real (snd_config_t *config, double value) |
| Changes the value of a real-number configuration node. | |
| int | snd_config_set_string (snd_config_t *config, const char *value) |
| Changes the value of a string configuration node. | |
| int | snd_config_set_ascii (snd_config_t *config, const char *ascii) |
| Changes the value of a configuration node. | |
| int | snd_config_set_pointer (snd_config_t *config, const void *ptr) |
| Changes the value of a pointer configuration node. | |
| int | snd_config_get_id (const snd_config_t *config, const char **value) |
| Returns the id of a configuration node. | |
| int | snd_config_get_integer (const snd_config_t *config, long *value) |
| Returns the value of an integer configuration node. | |
| int | snd_config_get_integer64 (const snd_config_t *config, long long *value) |
| Returns the value of a 64-bit-integer configuration node. | |
| int | snd_config_get_real (const snd_config_t *config, double *value) |
| Returns the value of a real-number configuration node. | |
| int | snd_config_get_ireal (const snd_config_t *config, double *value) |
| Returns the value of a real or integer configuration node. | |
| int | snd_config_get_string (const snd_config_t *config, const char **value) |
| Returns the value of a string configuration node. | |
| int | snd_config_get_ascii (const snd_config_t *config, char **value) |
| Returns the value of a configuration node as a string. | |
| int | snd_config_get_pointer (const snd_config_t *config, const void **value) |
| Returns the value of a pointer configuration node. | |
| int | snd_config_test_id (const snd_config_t *config, const char *id) |
| Compares the id of a configuration node to a given string. | |
| snd_config_iterator_t | snd_config_iterator_first (const snd_config_t *node) |
| Returns an iterator pointing to a node's first child. | |
| snd_config_iterator_t | snd_config_iterator_next (const snd_config_iterator_t iterator) |
| Returns an iterator pointing to the next sibling. | |
| snd_config_iterator_t | snd_config_iterator_end (const snd_config_t *node) |
| Returns an iterator that ends a node's children list. | |
| snd_config_t * | snd_config_iterator_entry (const snd_config_iterator_t iterator) |
| Returns the configuration node handle pointed to by an iterator. | |
| int | snd_config_get_bool_ascii (const char *ascii) |
| Gets the boolean value from the given ASCII string. | |
| int | snd_config_get_bool (const snd_config_t *conf) |
| Gets the boolean value from a configuration node. | |
| int | snd_config_get_card (const snd_config_t *conf) |
| Gets the card number from a configuration node. | |
| int | snd_config_get_ctl_iface_ascii (const char *ascii) |
| Gets the control interface index from the given ASCII string. | |
| int | snd_config_get_ctl_iface (const snd_config_t *conf) |
| Gets the control interface index from a configuration node. | |
| int | snd_names_list (const char *iface, snd_devname_t **list) |
| This function is unimplemented. | |
| void | snd_names_list_free (snd_devname_t *list) |
| This function is unimplemented. | |
Variables | |
| snd_config_t * | snd_config |
| Configuration top-level node (the global configuration). | |
Detailed Description
Application interface library for the ALSA driver.
- Date
- 1998-2001
Application interface library for the ALSA driver
