Mixer Interface. More...
Include dependency graph for mixer.c:
Functions | |
| int | snd_mixer_open (snd_mixer_t **mixerp, int mode) |
| Opens an empty mixer. More... | |
| int | snd_mixer_elem_attach (snd_mixer_elem_t *melem, snd_hctl_elem_t *helem) |
| Attach an HCTL element to a mixer element. More... | |
| int | snd_mixer_elem_detach (snd_mixer_elem_t *melem, snd_hctl_elem_t *helem) |
| Detach an HCTL element from a mixer element. More... | |
| int | snd_mixer_elem_empty (snd_mixer_elem_t *melem) |
| Return true if a mixer element does not contain any HCTL elements. More... | |
| int | snd_mixer_attach (snd_mixer_t *mixer, const char *name) |
| Attach an HCTL specified with the CTL device name to an opened mixer. More... | |
| int | snd_mixer_attach_hctl (snd_mixer_t *mixer, snd_hctl_t *hctl) |
| Attach an HCTL to an opened mixer. More... | |
| int | snd_mixer_detach (snd_mixer_t *mixer, const char *name) |
| Detach a previously attached HCTL to an opened mixer freeing all related resources. More... | |
| int | snd_mixer_detach_hctl (snd_mixer_t *mixer, snd_hctl_t *hctl) |
| Detach a previously attached HCTL to an opened mixer freeing all related resources. More... | |
| int | snd_mixer_get_hctl (snd_mixer_t *mixer, const char *name, snd_hctl_t **hctl) |
| Obtain a HCTL pointer associated to given name. More... | |
| void * | snd_mixer_elem_get_private (const snd_mixer_elem_t *elem) |
| Get private data associated to give mixer element. More... | |
| int | snd_mixer_elem_new (snd_mixer_elem_t **elem, snd_mixer_elem_type_t type, int compare_weight, void *private_data, void(*private_free)(snd_mixer_elem_t *elem)) |
| Allocate a new mixer element. More... | |
| int | snd_mixer_elem_add (snd_mixer_elem_t *elem, snd_mixer_class_t *class) |
| Add an element for a registered mixer element class. More... | |
| int | snd_mixer_elem_remove (snd_mixer_elem_t *elem) |
| Remove a mixer element. More... | |
| void | snd_mixer_elem_free (snd_mixer_elem_t *elem) |
| Free a mixer element. More... | |
| int | snd_mixer_elem_info (snd_mixer_elem_t *elem) |
| Mixer element informations are changed. More... | |
| int | snd_mixer_elem_value (snd_mixer_elem_t *elem) |
| Mixer element values is changed. More... | |
| int | snd_mixer_class_register (snd_mixer_class_t *class, snd_mixer_t *mixer) |
| Register mixer element class. More... | |
| int | snd_mixer_class_unregister (snd_mixer_class_t *class) |
| Unregister mixer element class and remove all its elements. More... | |
| int | snd_mixer_load (snd_mixer_t *mixer) |
| Load a mixer elements. More... | |
| void | snd_mixer_free (snd_mixer_t *mixer) |
| Unload all mixer elements and free all related resources. More... | |
| int | snd_mixer_close (snd_mixer_t *mixer) |
| Close a mixer and free all related resources. More... | |
| int | snd_mixer_set_compare (snd_mixer_t *mixer, snd_mixer_compare_t compare) |
| Change mixer compare function and reorder elements. More... | |
| int | snd_mixer_poll_descriptors_count (snd_mixer_t *mixer) |
| get count of poll descriptors for mixer handle More... | |
| int | snd_mixer_poll_descriptors (snd_mixer_t *mixer, struct pollfd *pfds, unsigned int space) |
| get poll descriptors More... | |
| int | snd_mixer_poll_descriptors_revents (snd_mixer_t *mixer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents) |
| get returned events from poll descriptors More... | |
| int | snd_mixer_wait (snd_mixer_t *mixer, int timeout) |
| Wait for a mixer to become ready (i.e. at least one event pending) More... | |
| snd_mixer_elem_t * | snd_mixer_first_elem (snd_mixer_t *mixer) |
| get first element for a mixer More... | |
| snd_mixer_elem_t * | snd_mixer_last_elem (snd_mixer_t *mixer) |
| get last element for a mixer More... | |
| snd_mixer_elem_t * | snd_mixer_elem_next (snd_mixer_elem_t *elem) |
| get next mixer element More... | |
| snd_mixer_elem_t * | snd_mixer_elem_prev (snd_mixer_elem_t *elem) |
| get previous mixer element More... | |
| int | snd_mixer_handle_events (snd_mixer_t *mixer) |
| Handle pending mixer events invoking callbacks. More... | |
| void | snd_mixer_set_callback (snd_mixer_t *obj, snd_mixer_callback_t val) |
| Set callback function for a mixer. More... | |
| void | snd_mixer_set_callback_private (snd_mixer_t *mixer, void *val) |
| Set callback private value for a mixer. More... | |
| void * | snd_mixer_get_callback_private (const snd_mixer_t *mixer) |
| Get callback private value for a mixer. More... | |
| unsigned int | snd_mixer_get_count (const snd_mixer_t *mixer) |
| Get elements count for a mixer. More... | |
| void | snd_mixer_elem_set_callback (snd_mixer_elem_t *mixer, snd_mixer_elem_callback_t val) |
| Set callback function for a mixer element. More... | |
| void | snd_mixer_elem_set_callback_private (snd_mixer_elem_t *mixer, void *val) |
| Set callback private value for a mixer element. More... | |
| void * | snd_mixer_elem_get_callback_private (const snd_mixer_elem_t *mixer) |
| Get callback private value for a mixer element. More... | |
| snd_mixer_elem_type_t | snd_mixer_elem_get_type (const snd_mixer_elem_t *mixer) |
| Get type for a mixer element. More... | |
| size_t | snd_mixer_class_sizeof () |
| get size of snd_mixer_class_t More... | |
| int | snd_mixer_class_malloc (snd_mixer_class_t **ptr) |
| allocate an invalid snd_mixer_class_t using standard malloc More... | |
| void | snd_mixer_class_free (snd_mixer_class_t *obj) |
| frees a previously allocated snd_mixer_class_t More... | |
| void | snd_mixer_class_copy (snd_mixer_class_t *dst, const snd_mixer_class_t *src) |
| copy one snd_mixer_class_t to another More... | |
| snd_mixer_t * | snd_mixer_class_get_mixer (const snd_mixer_class_t *obj) |
| Get a mixer associated to given mixer class. More... | |
| snd_mixer_event_t | snd_mixer_class_get_event (const snd_mixer_class_t *obj) |
| Get mixer event callback associated to given mixer class. More... | |
| void * | snd_mixer_class_get_private (const snd_mixer_class_t *obj) |
| Get mixer private data associated to given mixer class. More... | |
| snd_mixer_compare_t | snd_mixer_class_get_compare (const snd_mixer_class_t *obj) |
| Get mixer compare callback associated to given mixer class. More... | |
| int | snd_mixer_class_set_event (snd_mixer_class_t *obj, snd_mixer_event_t event) |
| Set mixer event callback to given mixer class. More... | |
| int | snd_mixer_class_set_private (snd_mixer_class_t *obj, void *private_data) |
| Set mixer private data to given mixer class. More... | |
| int | snd_mixer_class_set_private_free (snd_mixer_class_t *obj, void(*private_free)(snd_mixer_class_t *)) |
| Set mixer private data free callback to given mixer class. More... | |
| int | snd_mixer_class_set_compare (snd_mixer_class_t *obj, snd_mixer_compare_t compare) |
| Set mixer compare callback to given mixer class. More... | |
Detailed Description
Mixer Interface.
- Date
- 2001
Mixer interface is designed to access mixer elements. Callbacks may be used for event handling.
