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
|
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2015 - Michael Lelli
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <unistd.h>
#include <boolean.h>
#include "../audio_driver.h"
/* forward declarations */
unsigned RWebAudioSampleRate(void);
void *RWebAudioInit(unsigned latency);
ssize_t RWebAudioWrite(const void *buf, size_t size);
bool RWebAudioStop(void);
bool RWebAudioStart(void);
void RWebAudioSetNonblockState(bool state);
void RWebAudioFree(void);
size_t RWebAudioWriteAvail(void);
size_t RWebAudioBufferSize(void);
typedef struct rweb_audio
{
bool is_paused;
} rweb_audio_t;
static void rwebaudio_free(void *data)
{
RWebAudioFree();
free(data);
}
static void *rwebaudio_init(const char *device, unsigned rate, unsigned latency,
unsigned block_frames,
unsigned *new_rate)
{
rweb_audio_t *rwebaudio = (rweb_audio_t*)calloc(1, sizeof(rweb_audio_t));
if (!rwebaudio)
return NULL;
if (RWebAudioInit(latency))
*new_rate = RWebAudioSampleRate();
return rwebaudio;
}
static ssize_t rwebaudio_write(void *data, const void *buf, size_t size)
{
return RWebAudioWrite(buf, size);
}
static bool rwebaudio_stop(void *data)
{
rweb_audio_t *rwebaudio = (rweb_audio_t*)data;
if (!rwebaudio)
return false;
rwebaudio->is_paused = true;
return RWebAudioStop();
}
static void rwebaudio_set_nonblock_state(void *data, bool state)
{
RWebAudioSetNonblockState(state);
}
static bool rwebaudio_alive(void *data)
{
rweb_audio_t *rwebaudio = (rweb_audio_t*)data;
if (!rwebaudio)
return false;
return !rwebaudio->is_paused;
}
static bool rwebaudio_start(void *data, bool is_shutdown)
{
rweb_audio_t *rwebaudio = (rweb_audio_t*)data;
if (!rwebaudio)
return false;
rwebaudio->is_paused = false;
return RWebAudioStart();
}
static size_t rwebaudio_write_avail(void *data) {return RWebAudioWriteAvail();}
static size_t rwebaudio_buffer_size(void *data) {return RWebAudioBufferSize();}
static bool rwebaudio_use_float(void *data) { return true; }
audio_driver_t audio_rwebaudio = {
rwebaudio_init,
rwebaudio_write,
rwebaudio_stop,
rwebaudio_start,
rwebaudio_alive,
rwebaudio_set_nonblock_state,
rwebaudio_free,
rwebaudio_use_float,
"rwebaudio",
NULL,
NULL,
rwebaudio_write_avail,
rwebaudio_buffer_size,
};
|
