code.delx.au - pulseaudio/blob - src/pulsecore/core.h

   1 #ifndef foocorehfoo
   2 #define foocorehfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of PulseAudio.
   8
   9   Copyright 2004-2006 Lennart Poettering
  10
  11   PulseAudio is free software; you can redistribute it and/or modify
  12   it under the terms of the GNU Lesser General Public License as published
  13   by the Free Software Foundation; either version 2 of the License,
  14   or (at your option) any later version.
  15
  16   PulseAudio is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   General Public License for more details.
  20
  21   You should have received a copy of the GNU Lesser General Public License
  22   along with PulseAudio; if not, write to the Free Software
  23   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  24   USA.
  25 ***/
  26
  27 #include <pulse/mainloop-api.h>
  28 #include <pulse/sample.h>
  29
  30 #include <pulsecore/idxset.h>
  31 #include <pulsecore/hashmap.h>
  32 #include <pulsecore/memblock.h>
  33 #include <pulsecore/resampler.h>
  34 #include <pulsecore/queue.h>
  35 #include <pulsecore/llist.h>
  36 #include <pulsecore/hook-list.h>
  37 #include <pulsecore/asyncmsgq.h>
  38
  39 typedef struct pa_core pa_core;
  40
  41 #include <pulsecore/core-subscribe.h>
  42 #include <pulsecore/sink-input.h>
  43 #include <pulsecore/msgobject.h>
  44
  45 typedef enum pa_core_hook {
  46     PA_CORE_HOOK_SINK_NEW_POST,
  47     PA_CORE_HOOK_SINK_UNLINK,
  48     PA_CORE_HOOK_SINK_UNLINK_POST,
  49     PA_CORE_HOOK_SINK_STATE_CHANGED,
  50     PA_CORE_HOOK_SINK_DESCRIPTION_CHANGED,
  51     PA_CORE_HOOK_SOURCE_NEW_POST,
  52     PA_CORE_HOOK_SOURCE_UNLINK,
  53     PA_CORE_HOOK_SOURCE_UNLINK_POST,
  54     PA_CORE_HOOK_SOURCE_STATE_CHANGED,
  55     PA_CORE_HOOK_SOURCE_DESCRIPTION_CHANGED,
  56     PA_CORE_HOOK_SINK_INPUT_NEW,
  57     PA_CORE_HOOK_SINK_INPUT_PUT,
  58     PA_CORE_HOOK_SINK_INPUT_UNLINK,
  59     PA_CORE_HOOK_SINK_INPUT_UNLINK_POST,
  60     PA_CORE_HOOK_SINK_INPUT_MOVE,
  61     PA_CORE_HOOK_SINK_INPUT_MOVE_POST,
  62     PA_CORE_HOOK_SINK_INPUT_NAME_CHANGED,
  63     PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED,
  64     PA_CORE_HOOK_SOURCE_OUTPUT_NEW,
  65     PA_CORE_HOOK_SOURCE_OUTPUT_PUT,
  66     PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK,
  67     PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST,
  68     PA_CORE_HOOK_SOURCE_OUTPUT_MOVE,
  69     PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_POST,
  70     PA_CORE_HOOK_SOURCE_OUTPUT_NAME_CHANGED,
  71     PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED,
  72     PA_CORE_HOOK_MAX
  73 } pa_core_hook_t;
  74
  75 /* The core structure of PulseAudio. Every PulseAudio daemon contains
  76  * exactly one of these. It is used for storing kind of global
  77  * variables for the daemon. */
  78
  79 struct pa_core {
  80     pa_msgobject parent;
  81
  82     /* A random value which may be used to identify this instance of
  83      * PulseAudio. Not cryptographically secure in any way. */
  84     uint32_t cookie;
  85
  86     pa_mainloop_api *mainloop;
  87
  88     /* idxset of all kinds of entities */
  89     pa_idxset *clients, *sinks, *sources, *sink_inputs, *source_outputs, *modules, *scache, *autoload_idxset;
  90
  91     /* Some hashmaps for all sorts of entities */
  92     pa_hashmap *namereg, *autoload_hashmap, *properties;
  93
  94     /* The name of the default sink/source */
  95     char *default_source_name, *default_sink_name;
  96
  97     pa_sample_spec default_sample_spec;
  98     unsigned default_n_fragments, default_fragment_size_msec;
  99
 100     pa_time_event *module_auto_unload_event;
 101     pa_defer_event *module_defer_unload_event;
 102
 103     pa_defer_event *subscription_defer_event;
 104     PA_LLIST_HEAD(pa_subscription, subscriptions);
 105     PA_LLIST_HEAD(pa_subscription_event, subscription_event_queue);
 106     pa_subscription_event *subscription_event_last;
 107
 108     pa_mempool *mempool;
 109
 110     int exit_idle_time, module_idle_time, scache_idle_time;
 111
 112     pa_time_event *quit_event;
 113
 114     pa_time_event *scache_auto_unload_event;
 115
 116     int disallow_module_loading, running_as_daemon;
 117     pa_resample_method_t resample_method;
 118     int is_system_instance;
 119     int high_priority;
 120
 121     /* hooks */
 122     pa_hook hooks[PA_CORE_HOOK_MAX];
 123 };
 124
 125 PA_DECLARE_CLASS(pa_core);
 126 #define PA_CORE(o) pa_core_cast(o)
 127
 128 enum {
 129     PA_CORE_MESSAGE_UNLOAD_MODULE,
 130     PA_CORE_MESSAGE_MAX
 131 };
 132
 133 pa_core* pa_core_new(pa_mainloop_api *m, int shared);
 134
 135 /* Check whether noone is connected to this core */
 136 void pa_core_check_quit(pa_core *c);
 137
 138 #endif