1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
#ifndef foocorehfoo
#define foocorehfoo
/***
This file is part of PulseAudio.
Copyright 2004-2006 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <pulse/mainloop-api.h>
#include <pulse/sample.h>
#include <pulsecore/cpu.h>
typedef struct pa_core pa_core;
/* This is a bitmask that encodes the cause why a sink/source is
* suspended. */
typedef enum pa_suspend_cause {
PA_SUSPEND_USER = 1, /* Exposed to the user via some protocol */
PA_SUSPEND_APPLICATION = 2, /* Used by the device reservation logic */
PA_SUSPEND_IDLE = 4, /* Used by module-suspend-on-idle */
PA_SUSPEND_SESSION = 8, /* Used by module-hal for mark inactive sessions */
PA_SUSPEND_PASSTHROUGH = 16, /* Used to suspend monitor sources when the sink is in passthrough mode */
PA_SUSPEND_INTERNAL = 32, /* This is used for short period server-internal suspends, such as for sample rate updates */
PA_SUSPEND_ALL = 0xFFFF /* Magic cause that can be used to resume forcibly */
} pa_suspend_cause_t;
#include <pulsecore/idxset.h>
#include <pulsecore/hashmap.h>
#include <pulsecore/memblock.h>
#include <pulsecore/resampler.h>
#include <pulsecore/llist.h>
#include <pulsecore/hook-list.h>
#include <pulsecore/asyncmsgq.h>
#include <pulsecore/sample-util.h>
#include <pulsecore/sink.h>
#include <pulsecore/source.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/msgobject.h>
typedef enum pa_server_type {
PA_SERVER_TYPE_UNSET,
PA_SERVER_TYPE_USER,
PA_SERVER_TYPE_SYSTEM,
PA_SERVER_TYPE_NONE
} pa_server_type_t;
typedef enum pa_core_state {
PA_CORE_STARTUP,
PA_CORE_RUNNING,
PA_CORE_SHUTDOWN
} pa_core_state_t;
typedef enum pa_core_hook {
PA_CORE_HOOK_SINK_NEW,
PA_CORE_HOOK_SINK_FIXATE,
PA_CORE_HOOK_SINK_PUT,
PA_CORE_HOOK_SINK_UNLINK,
PA_CORE_HOOK_SINK_UNLINK_POST,
PA_CORE_HOOK_SINK_STATE_CHANGED,
PA_CORE_HOOK_SINK_PROPLIST_CHANGED,
PA_CORE_HOOK_SINK_PORT_CHANGED,
PA_CORE_HOOK_SINK_FLAGS_CHANGED,
PA_CORE_HOOK_SOURCE_NEW,
PA_CORE_HOOK_SOURCE_FIXATE,
PA_CORE_HOOK_SOURCE_PUT,
PA_CORE_HOOK_SOURCE_UNLINK,
PA_CORE_HOOK_SOURCE_UNLINK_POST,
PA_CORE_HOOK_SOURCE_STATE_CHANGED,
PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED,
PA_CORE_HOOK_SOURCE_PORT_CHANGED,
PA_CORE_HOOK_SOURCE_FLAGS_CHANGED,
PA_CORE_HOOK_SINK_INPUT_NEW,
PA_CORE_HOOK_SINK_INPUT_FIXATE,
PA_CORE_HOOK_SINK_INPUT_PUT,
PA_CORE_HOOK_SINK_INPUT_UNLINK,
PA_CORE_HOOK_SINK_INPUT_UNLINK_POST,
PA_CORE_HOOK_SINK_INPUT_MOVE_START,
PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH,
PA_CORE_HOOK_SINK_INPUT_MOVE_FAIL,
PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED,
PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED,
PA_CORE_HOOK_SINK_INPUT_SEND_EVENT,
PA_CORE_HOOK_SOURCE_OUTPUT_NEW,
PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE,
PA_CORE_HOOK_SOURCE_OUTPUT_PUT,
PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK,
PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST,
PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_START,
PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH,
PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FAIL,
PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED,
PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED,
PA_CORE_HOOK_SOURCE_OUTPUT_SEND_EVENT,
PA_CORE_HOOK_CLIENT_NEW,
PA_CORE_HOOK_CLIENT_PUT,
PA_CORE_HOOK_CLIENT_UNLINK,
PA_CORE_HOOK_CLIENT_PROPLIST_CHANGED,
PA_CORE_HOOK_CLIENT_SEND_EVENT,
PA_CORE_HOOK_CARD_NEW,
PA_CORE_HOOK_CARD_PUT,
PA_CORE_HOOK_CARD_UNLINK,
PA_CORE_HOOK_CARD_PROFILE_CHANGED,
PA_CORE_HOOK_CARD_PROFILE_ADDED,
PA_CORE_HOOK_CARD_PROFILE_AVAILABLE_CHANGED,
PA_CORE_HOOK_PORT_AVAILABLE_CHANGED,
PA_CORE_HOOK_PORT_LATENCY_OFFSET_CHANGED,
PA_CORE_HOOK_MAX
} pa_core_hook_t;
/* The core structure of PulseAudio. Every PulseAudio daemon contains
* exactly one of these. It is used for storing kind of global
* variables for the daemon. */
struct pa_core {
pa_msgobject parent;
pa_core_state_t state;
/* A random value which may be used to identify this instance of
* PulseAudio. Not cryptographically secure in any way. */
uint32_t cookie;
pa_mainloop_api *mainloop;
/* idxset of all kinds of entities */
pa_idxset *clients, *cards, *sinks, *sources, *sink_inputs, *source_outputs, *modules, *scache;
/* Some hashmaps for all sorts of entities */
pa_hashmap *namereg, *shared;
/* The default sink/source */
pa_source *default_source;
pa_sink *default_sink;
pa_channel_map default_channel_map;
pa_sample_spec default_sample_spec;
uint32_t alternate_sample_rate;
unsigned default_n_fragments, default_fragment_size_msec;
unsigned deferred_volume_safety_margin_usec;
int deferred_volume_extra_delay_usec;
pa_defer_event *module_defer_unload_event;
pa_defer_event *subscription_defer_event;
PA_LLIST_HEAD(pa_subscription, subscriptions);
PA_LLIST_HEAD(pa_subscription_event, subscription_event_queue);
pa_subscription_event *subscription_event_last;
pa_mempool *mempool;
pa_silence_cache silence_cache;
pa_time_event *exit_event;
pa_time_event *scache_auto_unload_event;
int exit_idle_time, scache_idle_time;
bool flat_volumes:1;
bool disallow_module_loading:1;
bool disallow_exit:1;
bool running_as_daemon:1;
bool realtime_scheduling:1;
bool disable_remixing:1;
bool disable_lfe_remixing:1;
bool deferred_volume:1;
pa_resample_method_t resample_method;
int realtime_priority;
pa_server_type_t server_type;
pa_cpu_info cpu_info;
/* hooks */
pa_hook hooks[PA_CORE_HOOK_MAX];
};
PA_DECLARE_PUBLIC_CLASS(pa_core);
#define PA_CORE(o) pa_core_cast(o)
enum {
PA_CORE_MESSAGE_UNLOAD_MODULE,
PA_CORE_MESSAGE_MAX
};
pa_core* pa_core_new(pa_mainloop_api *m, bool shared, size_t shm_size);
/* Check whether no one is connected to this core */
void pa_core_check_idle(pa_core *c);
int pa_core_exit(pa_core *c, bool force, int retval);
void pa_core_maybe_vacuum(pa_core *c);
/* wrapper for c->mainloop->time_*() RT time events */
pa_time_event* pa_core_rttime_new(pa_core *c, pa_usec_t usec, pa_time_event_cb_t cb, void *userdata);
void pa_core_rttime_restart(pa_core *c, pa_time_event *e, pa_usec_t usec);
#endif
|