GNUnet 0.22.0
gnunet_speaker_lib.h
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1/*
2 This file is part of GNUnet
3 Copyright (C) 2013 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
36#ifndef GNUNET_SPEAKER_SERVICE_H
37#define GNUNET_SPEAKER_SERVICE_H
38
39#ifdef __cplusplus
40extern "C"
41{
42#if 0 /* keep Emacsens' auto-indent happy */
43}
44#endif
45#endif
46
47
48#include "gnunet_util_lib.h"
49
56typedef int (*GNUNET_SPEAKER_EnableCallback)(void *cls);
57
63typedef void (*GNUNET_SPEAKER_DisableCallback)(void *cls);
64
70typedef void (*GNUNET_SPEAKER_DestroyCallback)(void *cls);
71
80typedef void (*GNUNET_SPEAKER_PlayCallback)(void *cls,
81 size_t data_size,
82 const void *data);
83
84
89{
94
99
104
109
113 void *cls;
114};
115
116
127
128
134void
136
137
138#if 0 /* keep Emacsens' auto-indent happy */
139{
140#endif
141#ifdef __cplusplus
142}
143#endif
144
145#endif
146 /* end of group */
148 /* end of group addition */
150
151/* end of gnunet_speaker_lib.h */
static struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
Definition: gnunet-arm.c:108
static struct GNUNET_SPEAKER_Handle * speaker
Handle to the speaker.
static char * data
The data to insert into the dht.
static size_t data_size
Number of bytes in data.
struct GNUNET_SPEAKER_Handle * GNUNET_SPEAKER_create_from_hardware(const struct GNUNET_CONFIGURATION_Handle *cfg)
Create a speaker that corresponds to the speaker hardware of our system.
Definition: speaker.c:158
void(* GNUNET_SPEAKER_DestroyCallback)(void *cls)
Function to destroy a speaker.
int(* GNUNET_SPEAKER_EnableCallback)(void *cls)
Function that enables a speaker.
void(* GNUNET_SPEAKER_PlayCallback)(void *cls, size_t data_size, const void *data)
Function to cause a speaker to play audio data.
void GNUNET_SPEAKER_destroy(struct GNUNET_SPEAKER_Handle *speaker)
Destroy a speaker.
Definition: speaker.c:182
void(* GNUNET_SPEAKER_DisableCallback)(void *cls)
Function that disables a speaker.
A speaker is a device that can play or record audio data.
GNUNET_SPEAKER_DestroyCallback destroy_speaker
Destroy the speaker.
void * cls
Closure for the callbacks.
GNUNET_SPEAKER_PlayCallback play
Play audio.
GNUNET_SPEAKER_EnableCallback enable_speaker
Turn on the speaker.
GNUNET_SPEAKER_DisableCallback disable_speaker
Turn the speaker off.