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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* sound.c: functions related making noise
*/
#include "vim.h"
#if (defined(FEAT_SOUND) && defined(HAVE_CANBERRA)) || defined(PROTO)
#include <canberra.h>
static long sound_id = 0;
static ca_context *context = NULL;
typedef struct soundcb_S soundcb_T;
struct soundcb_S {
callback_T snd_callback;
soundcb_T *snd_next;
};
static soundcb_T *first_callback = NULL;
static soundcb_T *
get_sound_callback(typval_T *arg)
{
callback_T callback;
soundcb_T *soundcb;
if (arg->v_type == VAR_UNKNOWN)
return NULL;
callback = get_callback(arg);
if (callback.cb_name == NULL)
return NULL;
soundcb = ALLOC_ONE(soundcb_T);
if (soundcb == NULL)
free_callback(&callback);
else
{
soundcb->snd_next = first_callback;
first_callback = soundcb;
set_callback(&soundcb->snd_callback, &callback);
}
return soundcb;
}
/*
* Delete "soundcb" from the list of pending callbacks.
*/
static void
delete_sound_callback(soundcb_T *soundcb)
{
soundcb_T *p;
soundcb_T *prev = NULL;
for (p = first_callback; p != NULL; prev = p, p = p->snd_next)
if (p == soundcb)
{
if (prev == NULL)
first_callback = p->snd_next;
else
prev->snd_next = p->snd_next;
free_callback(&p->snd_callback);
vim_free(p);
break;
}
}
static void
sound_callback(
ca_context *c UNUSED,
uint32_t id,
int error_code,
void *userdata)
{
soundcb_T *soundcb = (soundcb_T *)userdata;
typval_T argv[3];
typval_T rettv;
int dummy;
argv[0].v_type = VAR_NUMBER;
argv[0].vval.v_number = id;
argv[1].v_type = VAR_NUMBER;
argv[1].vval.v_number = error_code == CA_SUCCESS ? 0
: error_code == CA_ERROR_CANCELED
|| error_code == CA_ERROR_DESTROYED
? 1 : 2;
argv[2].v_type = VAR_UNKNOWN;
call_callback(&soundcb->snd_callback, -1,
&rettv, 2, argv, NULL, 0L, 0L, &dummy, TRUE, NULL);
clear_tv(&rettv);
delete_sound_callback(soundcb);
redraw_after_callback(TRUE);
}
static void
sound_play_common(typval_T *argvars, typval_T *rettv, int playfile)
{
if (context == NULL)
ca_context_create(&context);
if (context != NULL)
{
soundcb_T *soundcb = get_sound_callback(&argvars[1]);
int res = CA_ERROR_INVALID;
++sound_id;
if (soundcb == NULL)
{
res = ca_context_play(context, sound_id,
playfile ? CA_PROP_MEDIA_FILENAME : CA_PROP_EVENT_ID,
tv_get_string(&argvars[0]),
CA_PROP_CANBERRA_CACHE_CONTROL, "volatile",
NULL);
}
else
{
static ca_proplist *proplist = NULL;
ca_proplist_create(&proplist);
if (proplist != NULL)
{
if (playfile)
ca_proplist_sets(proplist, CA_PROP_MEDIA_FILENAME,
(char *)tv_get_string(&argvars[0]));
else
ca_proplist_sets(proplist, CA_PROP_EVENT_ID,
(char *)tv_get_string(&argvars[0]));
ca_proplist_sets(proplist, CA_PROP_CANBERRA_CACHE_CONTROL,
"volatile");
res = ca_context_play_full(context, sound_id, proplist,
sound_callback, soundcb);
if (res != CA_SUCCESS)
delete_sound_callback(soundcb);
ca_proplist_destroy(proplist);
}
}
rettv->vval.v_number = res == CA_SUCCESS ? sound_id : 0;
}
}
void
f_sound_playevent(typval_T *argvars, typval_T *rettv)
{
sound_play_common(argvars, rettv, FALSE);
}
/*
* implementation of sound_playfile({path} [, {callback}])
*/
void
f_sound_playfile(typval_T *argvars, typval_T *rettv)
{
sound_play_common(argvars, rettv, TRUE);
}
/*
* implementation of sound_stop({id})
*/
void
f_sound_stop(typval_T *argvars, typval_T *rettv UNUSED)
{
if (context != NULL)
ca_context_cancel(context, tv_get_number(&argvars[0]));
}
/*
* implementation of sound_clear()
*/
void
f_sound_clear(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
{
if (context != NULL)
{
ca_context_destroy(context);
context = NULL;
}
}
#if defined(EXITFREE) || defined(PROTO)
void
sound_free(void)
{
if (context != NULL)
ca_context_destroy(context);
while (first_callback != NULL)
delete_sound_callback(first_callback);
}
#endif
#endif // FEAT_SOUND && HAVE_CANBERRA
|
