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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
/*****************************************************************
* gmerlin - a general purpose multimedia framework and applications
*
* Copyright (c) 2001 - 2024 Members of the Gmerlin project
* http://github.com/bplaum
*
* This program 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 Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
/*
* This is a template using remote
* players as backends for gmerlin
*
* Use this, if you want to control upnp- or mpris players
* (or others) as player backends
*
*/
#include <string.h>
#include <config.h>
#include <gavl/log.h>
#define LOG_DOMAIN "be_player"
#include <gmerlin/translation.h>
#include <gmerlin/plugin.h>
#include <gmerlin/player.h>
typedef struct
{
bg_controllable_t ctrl;
gavl_dictionary_t gmerlin_state;
bg_player_tracklist_t tl;
} renderer_t;
static int handle_msg(void * data, gavl_msg_t * msg)
{
renderer_t * r = data;
if(bg_player_tracklist_handle_message(&r->tl, msg))
{
if(r->tl.current_changed)
{
r->tl.current_changed = 0;
/* Stop and propably restart */
}
return 1;
}
switch(msg->NS)
{
case BG_MSG_NS_STATE:
bg_state_handle_set_rel(&r->gmerlin_state, msg);
switch(msg->ID)
{
case BG_CMD_SET_STATE:
{
gavl_value_t val;
const char * ctx;
const char * var;
int last = 0;
gavl_value_init(&val);
gavl_msg_get_state(msg, &last, &ctx, &var, &val, NULL);
if(!strcmp(ctx, BG_PLAYER_STATE_CTX))
{
if(!strcmp(var, BG_PLAYER_STATE_TIME))
{
/* Seek */
gavl_time_t t = GAVL_TIME_UNDEFINED;
/* Seek absolute */
if(gavl_value_get_long(&val, &t) &&
(t != GAVL_TIME_UNDEFINED))
{
/* Do seek */
}
}
else if(!strcmp(var, BG_PLAYER_STATE_TIME_PERC))
{
/* Seek percentage */
double percentage;
if(gavl_value_get_float(&val, &percentage))
{
/* Do seek */
}
}
else if(!strcmp(var, BG_PLAYER_STATE_VOLUME)) // float
{
double volume;
if(gavl_value_get_float(&val, &volume))
;
}
else if(!strcmp(var, BG_PLAYER_STATE_MODE)) // int
{
if(val.type != GAVL_TYPE_INT)
return 1;
bg_player_tracklist_set_mode(&r->tl, &val.v.i);
}
else if(!strcmp(var, BG_PLAYER_STATE_MUTE)) // int
{
if(val.type != GAVL_TYPE_INT)
return 1;
val.v.i &= 1;
/* Mute */
}
}
}
break;
}
break;
case BG_MSG_NS_PLAYER:
{
switch(msg->ID)
{
case BG_PLAYER_CMD_NEXT:
case BG_PLAYER_CMD_PREV:
{
if(msg->ID == BG_PLAYER_CMD_NEXT)
{
if(!bg_player_tracklist_advance(&r->tl, 1))
break;
}
else if(msg->ID == BG_PLAYER_CMD_PREV)
{
if(!bg_player_tracklist_back(&r->tl))
break;
}
/* Play or not */
}
break;
case BG_PLAYER_CMD_PLAY:
{
}
break;
case BG_PLAYER_CMD_STOP:
{
}
break;
case BG_PLAYER_CMD_PAUSE:
{
}
break;
}
}
break;
case GAVL_MSG_NS_GENERIC:
switch(msg->ID)
{
case GAVL_CMD_QUIT:
{
return 0;
}
break;
}
break;
}
return 1;
}
static int update_renderer(void * priv)
{
renderer_t * r = priv;
bg_msg_sink_iteration(r->ctrl.cmd_sink);
return bg_msg_sink_get_num(r->ctrl.cmd_sink);
}
static void * create_renderer()
{
renderer_t * r;
r = calloc(1, sizeof(*r));
bg_controllable_init(&r->ctrl,
bg_msg_sink_create(handle_msg, r, 0),
bg_msg_hub_create(1));
return r;
}
static int open_renderer(void * priv, const char * uri)
{
renderer_t * r = priv;
return 0;
}
static void destroy_renderer(void * priv)
{
renderer_t * r = priv;
bg_controllable_cleanup(&r->ctrl);
gavl_dictionary_free(&r->gmerlin_state);
free(r);
}
static bg_controllable_t * get_controllable_renderer(void * priv)
{
renderer_t * r = priv;
return &r->ctrl;
}
bg_backend_plugin_t the_plugin =
{
.common =
{
BG_LOCALE,
.name = "be_player",
.long_name = TRS("Player"),
.description = TRS("Remote player backends (template)"),
.type = BG_PLUGIN_BACKEND_RENDERER,
.flags = 0,
.create = create_renderer,
.destroy = destroy_renderer,
.get_controllable = get_controllable_renderer,
.priority = 1,
},
.update = update_renderer,
.open = open_renderer,
};
/* Include this into all plugin modules exactly once
to let the plugin loader obtain the API version */
BG_GET_PLUGIN_API_VERSION;
|
