diff options
Diffstat (limited to 'src/pulsecore/card.c')
| -rw-r--r-- | src/pulsecore/card.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/pulsecore/card.c b/src/pulsecore/card.c new file mode 100644 index 00000000..4f3548b4 --- /dev/null +++ b/src/pulsecore/card.c @@ -0,0 +1,196 @@ +/*** + 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 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, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <pulse/xmalloc.h> + +#include <pulsecore/log.h> +#include <pulsecore/macro.h> +#include <pulsecore/core-util.h> +#include <pulsecore/namereg.h> + +#include "card.h" + +pa_card_config *pa_card_config_new(const char *name) { + pa_card_config *c; + + pa_assert(name); + + c = pa_xnew0(pa_card_config, 1); + c->name = pa_xstrdup(name); + + return c; +} + +void pa_card_config_free(pa_card_config *c) { + pa_assert(c); + + pa_xfree(c->name); + pa_xfree(c); +} + +pa_card_new_data* pa_card_new_data_init(pa_card_new_data *data) { + pa_assert(data); + + memset(data, 0, sizeof(*data)); + data->proplist = pa_proplist_new(); + + return data; +} + +void pa_card_new_data_set_name(pa_card_new_data *data, const char *name) { + pa_assert(data); + + pa_xfree(data->name); + data->name = pa_xstrdup(name); +} + +void pa_card_new_data_done(pa_card_new_data *data) { + + pa_assert(data); + + pa_proplist_free(data->proplist); + + if (data->configs) { + pa_card_config *c; + + while ((c = pa_hashmap_steal_first(data->configs))) + pa_card_config_free(c); + + pa_hashmap_free(data->configs, NULL, NULL); + } + + pa_xfree(data->name); +} + +pa_card *pa_card_new(pa_core *core, pa_card_new_data *data) { + pa_card *c; + const char *name; + + pa_core_assert_ref(core); + pa_assert(data); + pa_assert(data->name); + + c = pa_xnew(pa_card, 1); + + if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_CARD, c, data->namereg_fail))) { + pa_xfree(c); + return NULL; + } + + pa_card_new_data_set_name(data, name); + + if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_CARD_NEW], data) < 0) { + pa_xfree(c); + pa_namereg_unregister(core, name); + return NULL; + } + + c->core = core; + c->name = pa_xstrdup(data->name); + c->proplist = pa_proplist_copy(data->proplist); + c->driver = pa_xstrdup(data->driver); + c->module = data->module; + + c->sinks = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); + c->sources = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func); + + c->configs = data->configs; + data->configs = NULL; + c->active_config = data->active_config; + data->active_config = NULL; + + c->userdata = NULL; + c->set_config = NULL; + + pa_assert_se(pa_idxset_put(core->cards, c, &c->index) >= 0); + + pa_log_info("Created %u \"%s\"", c->index, c->name); + pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_NEW, c->index); + + pa_hook_fire(&core->hooks[PA_CORE_HOOK_CARD_PUT], c); + return c; +} + +void pa_card_free(pa_card *c) { + pa_core *core; + pa_card_config *config; + + pa_assert(c); + pa_assert(c->core); + + core = c->core; + + pa_hook_fire(&core->hooks[PA_CORE_HOOK_CARD_UNLINK], c); + + pa_namereg_unregister(core, c->name); + + pa_idxset_remove_by_data(c->core->cards, c, NULL); + + pa_log_info("Freed %u \"%s\"", c->index, c->name); + + pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_REMOVE, c->index); + + pa_idxset_free(c->sinks, NULL, NULL); + pa_idxset_free(c->sources, NULL, NULL); + + while ((config = pa_hashmap_steal_first(c->configs))) + pa_card_config_free(config); + + pa_hashmap_free(c->configs, NULL, NULL); + + pa_proplist_free(c->proplist); + pa_xfree(c->driver); + pa_xfree(c->name); + pa_xfree(c); + + pa_core_check_idle(core); +} + +int pa_card_set_config(pa_card *c, const char *name) { + pa_card_config *config; + pa_assert(c); + + if (!c->set_config) { + pa_log_warn("set_config() operation not implemented for card %u", c->index); + return -1; + } + + if (!c->configs) + return -1; + + if (!(config = pa_hashmap_get(c->configs, name))) + return -1; + + if (c->set_config(c, config) < 0) + return -1; + + pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_CHANGE, c->index); + + return 0; +} |