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
256
257
258
259
260
261
262
263
264
265
266
267
|
/* the Music Player Daemon (MPD)
* Copyright (C) 2008 Max Kellermann <max@duempel.org>
* This project's homepage is: http://www.musicpd.org
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "player_control.h"
#include "path.h"
#include "log.h"
#include "tag.h"
#include "song.h"
#include "idle.h"
#include "pcm_volume.h"
#include "main.h"
#include <assert.h>
#include <stdio.h>
struct player_control pc;
void pc_init(unsigned int buffered_before_play)
{
pc.buffered_before_play = buffered_before_play;
notify_init(&pc.notify);
pc.command = PLAYER_COMMAND_NONE;
pc.error = PLAYER_ERROR_NOERROR;
pc.state = PLAYER_STATE_STOP;
pc.cross_fade_seconds = 0;
pc.software_volume = PCM_VOLUME_1;
}
void pc_deinit(void)
{
notify_deinit(&pc.notify);
}
void
pc_song_deleted(const struct song *song)
{
if (pc.errored_song == song)
pc.errored_song = NULL;
}
static void player_command(enum player_command cmd)
{
pc.command = cmd;
while (pc.command != PLAYER_COMMAND_NONE) {
notify_signal(&pc.notify);
notify_wait(&main_notify);
}
}
void
playerPlay(struct song *song)
{
assert(song != NULL);
if (pc.state != PLAYER_STATE_STOP)
player_command(PLAYER_COMMAND_STOP);
pc.next_song = song;
player_command(PLAYER_COMMAND_PLAY);
idle_add(IDLE_PLAYER);
}
void pc_cancel(void)
{
player_command(PLAYER_COMMAND_CANCEL);
}
void playerWait(void)
{
player_command(PLAYER_COMMAND_CLOSE_AUDIO);
idle_add(IDLE_PLAYER);
}
void playerKill(void)
{
player_command(PLAYER_COMMAND_EXIT);
idle_add(IDLE_PLAYER);
}
void playerPause(void)
{
if (pc.state != PLAYER_STATE_STOP) {
player_command(PLAYER_COMMAND_PAUSE);
idle_add(IDLE_PLAYER);
}
}
void playerSetPause(int pause_flag)
{
switch (pc.state) {
case PLAYER_STATE_STOP:
break;
case PLAYER_STATE_PLAY:
if (pause_flag)
playerPause();
break;
case PLAYER_STATE_PAUSE:
if (!pause_flag)
playerPause();
break;
}
}
int getPlayerElapsedTime(void)
{
return (int)(pc.elapsed_time + 0.5);
}
unsigned long getPlayerBitRate(void)
{
return pc.bit_rate;
}
int getPlayerTotalTime(void)
{
return (int)(pc.total_time + 0.5);
}
enum player_state getPlayerState(void)
{
return pc.state;
}
void clearPlayerError(void)
{
pc.error = 0;
}
enum player_error getPlayerError(void)
{
return pc.error;
}
static char *
pc_errored_song_uri(void)
{
return song_get_uri(pc.errored_song);
}
char *getPlayerErrorStr(void)
{
/* static OK here, only one user in main task */
static char error[MPD_PATH_MAX + 64]; /* still too much */
static const size_t errorlen = sizeof(error);
char *uri;
*error = '\0'; /* likely */
switch (pc.error) {
case PLAYER_ERROR_NOERROR:
break;
case PLAYER_ERROR_FILENOTFOUND:
uri = pc_errored_song_uri();
snprintf(error, errorlen,
"file \"%s\" does not exist or is inaccessible", uri);
g_free(uri);
break;
case PLAYER_ERROR_FILE:
uri = pc_errored_song_uri();
snprintf(error, errorlen, "problems decoding \"%s\"", uri);
g_free(uri);
break;
case PLAYER_ERROR_AUDIO:
strcpy(error, "problems opening audio device");
break;
case PLAYER_ERROR_SYSTEM:
strcpy(error, "system error occured");
break;
case PLAYER_ERROR_UNKTYPE:
uri = pc_errored_song_uri();
snprintf(error, errorlen,
"file type of \"%s\" is unknown", uri);
g_free(uri);
break;
}
return *error ? error : NULL;
}
void
queueSong(struct song *song)
{
assert(song != NULL);
assert(pc.next_song == NULL);
pc.next_song = song;
player_command(PLAYER_COMMAND_QUEUE);
}
int
playerSeek(struct song *song, float seek_time)
{
assert(song != NULL);
if (pc.state == PLAYER_STATE_STOP)
return -1;
pc.next_song = song;
if (pc.error == PLAYER_ERROR_NOERROR) {
pc.seek_where = seek_time;
player_command(PLAYER_COMMAND_SEEK);
idle_add(IDLE_PLAYER);
}
return 0;
}
float getPlayerCrossFade(void)
{
return pc.cross_fade_seconds;
}
void setPlayerCrossFade(float crossFadeInSeconds)
{
if (crossFadeInSeconds < 0)
crossFadeInSeconds = 0;
pc.cross_fade_seconds = crossFadeInSeconds;
idle_add(IDLE_OPTIONS);
}
void setPlayerSoftwareVolume(int volume)
{
if (volume > PCM_VOLUME_1)
volume = PCM_VOLUME_1;
else if (volume < 0)
volume = 0;
pc.software_volume = volume;
}
double getPlayerTotalPlayTime(void)
{
return pc.total_play_time;
}
/* this actually creates a dupe of the current metadata */
struct song *
playerCurrentDecodeSong(void)
{
return NULL;
}
|
