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Diffstat (limited to '')
-rw-r--r-- | src/pulsecore/card.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/pulsecore/card.h b/src/pulsecore/card.h new file mode 100644 index 0000000..a11e33d --- /dev/null +++ b/src/pulsecore/card.h @@ -0,0 +1,147 @@ +#ifndef foopulsecardhfoo +#define foopulsecardhfoo + +/*** + This file is part of PulseAudio. + + Copyright 2009 Lennart Poettering + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. +***/ + +#include <pulsecore/typedefs.h> +#include <pulse/proplist.h> +#include <pulsecore/core.h> +#include <pulsecore/module.h> +#include <pulsecore/idxset.h> + +/* This enum replaces pa_port_available_t (defined in pulse/def.h) for + * internal use, so make sure both enum types stay in sync. */ +typedef enum pa_available { + PA_AVAILABLE_UNKNOWN = 0, + PA_AVAILABLE_NO = 1, + PA_AVAILABLE_YES = 2, +} pa_available_t; + +struct pa_card_profile { + pa_card *card; + char *name; + char *description; + + /* Identifiers for the profile's input and output parts, i e, if two different profiles + have the same input_name string, they have the same source(s). + Same for output_name and sink(s). + Can be NULL (and in case of an input- or output- only profile, the other direction + will be NULL). */ + char *input_name; + char *output_name; + + unsigned priority; + pa_available_t available; /* PA_AVAILABLE_UNKNOWN, PA_AVAILABLE_NO or PA_AVAILABLE_YES */ + + /* We probably want to have different properties later on here */ + unsigned n_sinks; + unsigned n_sources; + + unsigned max_sink_channels; + unsigned max_source_channels; + + /* .. followed by some implementation specific data */ +}; + +#define PA_CARD_PROFILE_DATA(d) ((void*) ((uint8_t*) d + PA_ALIGN(sizeof(pa_card_profile)))) + +struct pa_card { + uint32_t index; + pa_core *core; + + char *name; + + pa_proplist *proplist; + pa_module *module; + char *driver; + + pa_idxset *sinks; + pa_idxset *sources; + + pa_hashmap *profiles; + pa_card_profile *active_profile; + + pa_hashmap *ports; + pa_device_port *preferred_input_port; + pa_device_port *preferred_output_port; + + bool save_profile:1; + + pa_suspend_cause_t suspend_cause; + + bool linked; + + void *userdata; + + int (*set_profile)(pa_card *c, pa_card_profile *profile); +}; + +typedef struct pa_card_new_data { + char *name; + pa_proplist *proplist; + + const char *driver; + pa_module *module; + + pa_hashmap *profiles; + pa_hashmap *ports; + pa_device_port *preferred_input_port; + pa_device_port *preferred_output_port; + + bool namereg_fail:1; +} pa_card_new_data; + +typedef struct { + pa_card *card; + pa_direction_t direction; +} pa_card_preferred_port_changed_hook_data; + +const char *pa_available_to_string(pa_available_t available); + +pa_card_profile *pa_card_profile_new(const char *name, const char *description, size_t extra); +void pa_card_profile_free(pa_card_profile *c); + +/* The profile's available status has changed */ +void pa_card_profile_set_available(pa_card_profile *c, pa_available_t available); + +pa_card_new_data *pa_card_new_data_init(pa_card_new_data *data); +void pa_card_new_data_set_name(pa_card_new_data *data, const char *name); +void pa_card_new_data_set_preferred_port(pa_card_new_data *data, pa_direction_t direction, pa_device_port *port); +void pa_card_new_data_done(pa_card_new_data *data); + +pa_card *pa_card_new(pa_core *c, pa_card_new_data *data); + +/* Select the initial card profile according to the configured policies. This + * must be called between pa_card_new() and pa_card_put(), after the port and + * profile availabilities have been initialized. */ +void pa_card_choose_initial_profile(pa_card *card); + +void pa_card_put(pa_card *c); +void pa_card_free(pa_card *c); + +void pa_card_add_profile(pa_card *c, pa_card_profile *profile); + +int pa_card_set_profile(pa_card *c, pa_card_profile *profile, bool save); + +void pa_card_set_preferred_port(pa_card *c, pa_direction_t direction, pa_device_port *port); + +int pa_card_suspend(pa_card *c, bool suspend, pa_suspend_cause_t cause); + +#endif |