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
|
/*
* Copyright (C) 2003-2009 The Music Player Daemon Project
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 buffer_chunks, unsigned int buffered_before_play)
{
pc.buffer_chunks = buffer_chunks;
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;
}
void pc_deinit(void)
{
notify_deinit(&pc.notify);
}
void
pc_song_deleted(const struct song *song)
{
if (pc.errored_song == song) {
pc.error = PLAYER_ERROR_NOERROR;
pc.errored_song = NULL;
}
}
static void player_command(enum player_command cmd)
{
assert(pc.command == PLAYER_COMMAND_NONE);
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)
{
assert(pc.thread != NULL);
player_command(PLAYER_COMMAND_EXIT);
g_thread_join(pc.thread);
pc.thread = NULL;
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;
}
}
void
pc_get_status(struct player_status *status)
{
status->state = pc.state;
if (pc.state != PLAYER_STATE_STOP) {
status->bit_rate = pc.bit_rate;
status->audio_format = pc.audio_format;
status->total_time = pc.total_time;
status->elapsed_time = pc.elapsed_time;
}
}
enum player_state getPlayerState(void)
{
return pc.state;
}
void clearPlayerError(void)
{
pc.error = PLAYER_ERROR_NOERROR;
pc.errored_song = NULL;
}
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)
{
char *error;
char *uri;
switch (pc.error) {
case PLAYER_ERROR_NOERROR:
return NULL;
case PLAYER_ERROR_FILENOTFOUND:
uri = pc_errored_song_uri();
error = g_strdup_printf("file \"%s\" does not exist or is inaccessible", uri);
g_free(uri);
return error;
case PLAYER_ERROR_FILE:
uri = pc_errored_song_uri();
error = g_strdup_printf("problems decoding \"%s\"", uri);
g_free(uri);
return error;
case PLAYER_ERROR_AUDIO:
return g_strdup("problems opening audio device");
case PLAYER_ERROR_SYSTEM:
return g_strdup("system error occured");
case PLAYER_ERROR_UNKTYPE:
uri = pc_errored_song_uri();
error = g_strdup_printf("file type of \"%s\" is unknown", uri);
g_free(uri);
return error;
}
assert(false);
return NULL;
}
void
queueSong(struct song *song)
{
assert(song != NULL);
assert(pc.next_song == NULL);
pc.next_song = song;
player_command(PLAYER_COMMAND_QUEUE);
}
bool
pc_seek(struct song *song, float seek_time)
{
assert(song != NULL);
if (pc.state == PLAYER_STATE_STOP)
return false;
pc.next_song = song;
pc.seek_where = seek_time;
player_command(PLAYER_COMMAND_SEEK);
assert(pc.next_song == NULL);
idle_add(IDLE_PLAYER);
return true;
}
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);
}
double getPlayerTotalPlayTime(void)
{
return pc.total_play_time;
}
|
