PulseAudio  14.0
ext-device-restore.h
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1 #ifndef foopulseextdevicerestorehfoo
2 #define foopulseextdevicerestorehfoo
3 
4 /***
5  This file is part of PulseAudio.
6 
7  Copyright 2008 Lennart Poettering
8  Copyright 2011 Colin Guthrie
9 
10  PulseAudio is free software; you can redistribute it and/or modify
11  it under the terms of the GNU Lesser General Public License as published
12  by the Free Software Foundation; either version 2.1 of the License,
13  or (at your option) any later version.
14 
15  PulseAudio is distributed in the hope that it will be useful, but
16  WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  General Public License for more details.
19 
20  You should have received a copy of the GNU Lesser General Public License
21  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
22 ***/
23 
24 #include <pulse/context.h>
25 #include <pulse/format.h>
26 #include <pulse/version.h>
27 
33 PA_C_DECL_BEGIN
34 
39  uint32_t index;
40  uint8_t n_formats;
43 
46  pa_context *c,
47  uint32_t version,
48  void *userdata);
49 
52  pa_context *c,
54  void *userdata);
55 
58  pa_context *c,
59  int enable,
61  void *userdata);
62 
65  pa_context *c,
66  pa_device_type_t type,
67  uint32_t idx,
68  void *userdata);
69 
73  pa_context *c,
75  void *userdata);
76 
79  pa_context *c,
80  const pa_ext_device_restore_info *info,
81  int eol,
82  void *userdata);
83 
86  pa_context *c,
88  void *userdata);
89 
92  pa_context *c,
93  pa_device_type_t type,
94  uint32_t idx,
96  void *userdata);
97 
100  pa_context *c,
101  pa_device_type_t type,
102  uint32_t idx,
103  uint8_t n_formats,
104  pa_format_info **formats,
106  void *userdata);
107 
108 PA_C_DECL_END
109 
110 #endif
pa_context
struct pa_context pa_context
An opaque connection context to a daemon.
Definition: context.h:154
pa_format_info
Represents the format of data provided in a stream or processed by a sink.
Definition: format.h:98
pa_ext_device_restore_subscribe
pa_operation * pa_ext_device_restore_subscribe(pa_context *c, int enable, pa_context_success_cb_t cb, void *userdata)
Subscribe to changes in the device database.
pa_ext_device_restore_read_formats
pa_operation * pa_ext_device_restore_read_formats(pa_context *c, pa_device_type_t type, uint32_t idx, pa_ext_device_restore_read_device_formats_cb_t cb, void *userdata)
Read an entry from the device database.
pa_ext_device_restore_test
pa_operation * pa_ext_device_restore_test(pa_context *c, pa_ext_device_restore_test_cb_t cb, void *userdata)
Test if this extension module is available in the server.
pa_ext_device_restore_read_formats_all
pa_operation * pa_ext_device_restore_read_formats_all(pa_context *c, pa_ext_device_restore_read_device_formats_cb_t cb, void *userdata)
Read the formats for all present devices from the device database.
format.h
Utility functions for handling a stream or sink format.
pa_ext_device_restore_subscribe_cb_t
void(* pa_ext_device_restore_subscribe_cb_t)(pa_context *c, pa_device_type_t type, uint32_t idx, void *userdata)
Callback prototype for pa_ext_device_restore_set_subscribe_cb().
Definition: ext-device-restore.h:64
pa_ext_device_restore_info::n_formats
uint8_t n_formats
How many formats do we have?
Definition: ext-device-restore.h:40
pa_context_success_cb_t
void(* pa_context_success_cb_t)(pa_context *c, int success, void *userdata)
A generic callback for operation completion.
Definition: context.h:160
pa_ext_device_restore_info::formats
pa_format_info ** formats
An array of formats (may be NULL if n_formats == 0)
Definition: ext-device-restore.h:41
pa_ext_device_restore_info
Stores information about one device in the device database that is maintained by module-device-manage...
Definition: ext-device-restore.h:37
pa_ext_device_restore_info
struct pa_ext_device_restore_info pa_ext_device_restore_info
Stores information about one device in the device database that is maintained by module-device-manage...
pa_device_type_t
enum pa_device_type pa_device_type_t
The type of device we are dealing with.
pa_ext_device_restore_info::index
uint32_t index
The device index.
Definition: ext-device-restore.h:39
pa_ext_device_restore_info::type
pa_device_type_t type
Device type sink or source?
Definition: ext-device-restore.h:38
pa_ext_device_restore_read_device_formats_cb_t
void(* pa_ext_device_restore_read_device_formats_cb_t)(pa_context *c, const pa_ext_device_restore_info *info, int eol, void *userdata)
Callback prototype for pa_ext_device_restore_read_formats().
Definition: ext-device-restore.h:78
pa_ext_device_restore_test_cb_t
void(* pa_ext_device_restore_test_cb_t)(pa_context *c, uint32_t version, void *userdata)
Callback prototype for pa_ext_device_restore_test().
Definition: ext-device-restore.h:45
context.h
Connection contexts for asynchronous communication with a server.
pa_operation
struct pa_operation pa_operation
An asynchronous operation object.
Definition: operation.h:33
pa_ext_device_restore_save_formats
pa_operation * pa_ext_device_restore_save_formats(pa_context *c, pa_device_type_t type, uint32_t idx, uint8_t n_formats, pa_format_info **formats, pa_context_success_cb_t cb, void *userdata)
Read an entry from the device database.
pa_ext_device_restore_set_subscribe_cb
void pa_ext_device_restore_set_subscribe_cb(pa_context *c, pa_ext_device_restore_subscribe_cb_t cb, void *userdata)
Set the subscription callback that is called when pa_ext_device_restore_subscribe() was called.