1 #ifndef foopulsesourcehfoo
2 #define foopulsesourcehfoo
7 This file is part of PulseAudio.
9 Copyright 2004-2006 Lennart Poettering
10 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
12 PulseAudio is free software; you can redistribute it and/or modify
13 it under the terms of the GNU Lesser General Public License as published
14 by the Free Software Foundation; either version 2 of the License,
15 or (at your option) any later version.
17 PulseAudio is distributed in the hope that it will be useful, but
18 WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU Lesser General Public License
23 along with PulseAudio; if not, write to the Free Software
24 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 typedef struct pa_source pa_source
;
32 #include <pulse/sample.h>
33 #include <pulse/channelmap.h>
34 #include <pulse/volume.h>
36 #include <pulsecore/core-def.h>
37 #include <pulsecore/core.h>
38 #include <pulsecore/idxset.h>
39 #include <pulsecore/memblock.h>
40 #include <pulsecore/memchunk.h>
41 #include <pulsecore/sink.h>
42 #include <pulsecore/module.h>
43 #include <pulsecore/asyncmsgq.h>
44 #include <pulsecore/msgobject.h>
46 #define PA_MAX_OUTPUTS_PER_SOURCE 32
48 typedef enum pa_source_state
{
52 PA_SOURCE_DISCONNECTED
63 char *description
, *driver
; /* may be NULL */
66 pa_module
*module
; /* may be NULL */
68 pa_sample_spec sample_spec
;
69 pa_channel_map channel_map
;
72 pa_sink
*monitor_of
; /* may be NULL */
79 void (*start
)(pa_source
*source
); /* may be NULL */
80 void (*stop
)(pa_source
*source
); /* may be NULL */
81 int (*set_volume
)(pa_source
*s
); /* dito */
82 int (*get_volume
)(pa_source
*s
); /* dito */
83 int (*set_mute
)(pa_source
*s
); /* dito */
84 int (*get_mute
)(pa_source
*s
); /* dito */
85 pa_usec_t (*get_latency
)(pa_source
*s
); /* dito */
87 pa_asyncmsgq
*asyncmsgq
;
91 pa_cvolume soft_volume
;
98 PA_DECLARE_CLASS(pa_source
);
99 #define PA_SOURCE(s) ((pa_source*) (s))
101 typedef enum pa_source_message
{
102 PA_SOURCE_MESSAGE_ADD_OUTPUT
,
103 PA_SOURCE_MESSAGE_REMOVE_OUTPUT
,
104 PA_SOURCE_MESSAGE_GET_VOLUME
,
105 PA_SOURCE_MESSAGE_SET_VOLUME
,
106 PA_SOURCE_MESSAGE_GET_MUTE
,
107 PA_SOURCE_MESSAGE_SET_MUTE
,
108 PA_SOURCE_MESSAGE_GET_LATENCY
,
109 PA_SOURCE_MESSAGE_START
,
110 PA_SOURCE_MESSAGE_STOP
,
111 PA_SOURCE_MESSAGE_MAX
112 } pa_source_message_t
;
114 /* To be used exclusively by the source driver */
116 pa_source
* pa_source_new(
121 const pa_sample_spec
*spec
,
122 const pa_channel_map
*map
);
124 void pa_source_disconnect(pa_source
*s
);
126 void pa_source_set_module(pa_source
*s
, pa_module
*m
);
127 void pa_source_set_description(pa_source
*s
, const char *description
);
129 /* Callable by everyone */
131 pa_usec_t
pa_source_get_latency(pa_source
*s
);
133 void pa_source_update_status(pa_source
*s
);
134 void pa_source_suspend(pa_source
*s
);
136 void pa_source_set_volume(pa_source
*source
, const pa_cvolume
*volume
);
137 const pa_cvolume
*pa_source_get_volume(pa_source
*source
);
138 void pa_source_set_mute(pa_source
*source
, int mute
);
139 int pa_source_get_mute(pa_source
*source
);
141 unsigned pa_source_used_by(pa_source
*s
);
142 #define pa_source_get_state(s) ((pa_source_state_t) pa_atomic_load(&(s)->state))
144 /* To be used exclusively by the source driver thread */
146 void pa_source_post(pa_source
*s
, const pa_memchunk
*b
);
147 void pa_source_process_msg(pa_msgobject
*o
, int code
, void *userdata
, pa_memchunk
*chunk
);