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
|
#ifndef foobrowserhfoo
#define foobrowserhfoo
/***
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 <pulse/channelmap.h>
#include <pulse/cdecl.h>
#include <pulse/version.h>
/** \file
* An abstract interface for Zeroconf browsing of PulseAudio servers */
PA_C_DECL_BEGIN
/** An opaque Zeroconf service browser object */
typedef struct pa_browser pa_browser;
/** Opcodes for pa_browser_cb_t callbacks */
typedef enum pa_browse_opcode {
PA_BROWSE_NEW_SERVER = 0, /**< New server found */
PA_BROWSE_NEW_SINK, /**< New sink found */
PA_BROWSE_NEW_SOURCE, /**< New source found */
PA_BROWSE_REMOVE_SERVER, /**< Server disappeared */
PA_BROWSE_REMOVE_SINK, /**< Sink disappeared */
PA_BROWSE_REMOVE_SOURCE /**< Source disappeared */
} pa_browse_opcode_t;
typedef enum pa_browse_flags {
PA_BROWSE_FOR_SERVERS = 1, /**< Browse for servers */
PA_BROWSE_FOR_SINKS = 2, /**< Browse for sinks */
PA_BROWSE_FOR_SOURCES = 4 /** Browse for sources */
} pa_browse_flags_t;
/** Create a new browser object on the specified main loop */
pa_browser *pa_browser_new(pa_mainloop_api *mainloop);
/** Same pa_browser_new, but pass additional flags parameter. */
pa_browser *pa_browser_new_full(pa_mainloop_api *mainloop, pa_browse_flags_t flags, const char **error_string);
/** Increase reference counter of the specified browser object */
pa_browser *pa_browser_ref(pa_browser *z);
/** Decrease reference counter of the specified browser object */
void pa_browser_unref(pa_browser *z);
/** Information about a sink/source/server found with Zeroconf */
typedef struct pa_browse_info {
const char *name; /**< Unique service name; always available */
const char *server; /**< Server name; always available */
const char *server_version; /**< Server version string; optional */
const char *user_name; /**< User name of the server process; optional */
const char *fqdn; /* Server version; optional */
const uint32_t *cookie; /* Server cookie; optional */
const char *device; /* Device name; always available when this information is of a sink/source */
const char *description; /* Device description; optional */
const pa_sample_spec *sample_spec; /* Sample specification of the device; optional */
} pa_browse_info;
/** Callback prototype */
typedef void (*pa_browse_cb_t)(pa_browser *z, pa_browse_opcode_t c, const pa_browse_info *i, void *userdata);
/** Set the callback pointer for the browser object */
void pa_browser_set_callback(pa_browser *z, pa_browse_cb_t cb, void *userdata);
/** Callback prototype for errors */
typedef void (*pa_browser_error_cb_t)(pa_browser *z, const char *error_string, void *userdata);
/** Set a callback function that is called whenever the browser object
* becomes invalid due to an error. After this function has been
* called the browser object has become invalid and should be
* freed. */
void pa_browser_set_error_callback(pa_browser *z, pa_browser_error_cb_t, void *userdata);
PA_C_DECL_END
#endif
|
