| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2004, 2005, 2006 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
| 19 | */ |
| 20 | |
| 21 | #ifndef PLAY_H |
| 22 | #define PLAY_H |
| 23 | |
| 24 | extern struct queue_entry *playing; /* playing track or 0 */ |
| 25 | extern int paused; /* non-0 if paused */ |
| 26 | |
| 27 | void play(ev_source *ev); |
| 28 | /* try to play something, if playing is enabled and nothing is playing |
| 29 | * already */ |
| 30 | |
| 31 | int playing_is_enabled(void); |
| 32 | /* return true iff playing is enabled */ |
| 33 | |
| 34 | void enable_playing(const char *who, ev_source *ev); |
| 35 | /* enable playing */ |
| 36 | |
| 37 | void disable_playing(const char *who); |
| 38 | /* disable playing. */ |
| 39 | |
| 40 | int random_is_enabled(void); |
| 41 | /* return true iff random play is enabled */ |
| 42 | |
| 43 | void enable_random(const char *who, ev_source *ev); |
| 44 | /* enable random play */ |
| 45 | |
| 46 | void disable_random(const char *who); |
| 47 | /* disable random play */ |
| 48 | |
| 49 | void scratch(const char *who, const char *id); |
| 50 | /* scratch the playing track. @who@ identifies the scratcher. @id@ is |
| 51 | * the ID or a null pointer. */ |
| 52 | |
| 53 | void quitting(ev_source *ev); |
| 54 | /* called to terminate current track and shut down speaker process |
| 55 | * when quitting */ |
| 56 | |
| 57 | void speaker_setup(ev_source *ev); |
| 58 | /* set up the speaker subprocess */ |
| 59 | |
| 60 | void speaker_reload(void); |
| 61 | /* Tell the speaker process to reload its configuration. */ |
| 62 | |
| 63 | int pause_playing(const char *who); |
| 64 | /* Pause the current track. Return 0 on success, -1 on error. WHO |
| 65 | * can be 0. */ |
| 66 | |
| 67 | void resume_playing(const char *who); |
| 68 | /* Resume after a pause. WHO can be 0. */ |
| 69 | |
| 70 | int prepare(ev_source *ev, |
| 71 | struct queue_entry *q); |
| 72 | /* Prepare to play Q */ |
| 73 | |
| 74 | void abandon(ev_source *ev, |
| 75 | struct queue_entry *q); |
| 76 | /* Abandon a possibly-prepared track. */ |
| 77 | |
| 78 | int add_random_track(void); |
| 79 | /* If random play is enabled then try to add a track to the queue. On success |
| 80 | * (including deliberartely doing nothing) return 0. On error return -1. */ |
| 81 | |
| 82 | #endif /* PLAY_H */ |
| 83 | |
| 84 | /* |
| 85 | Local Variables: |
| 86 | c-basic-offset:2 |
| 87 | comment-column:40 |
| 88 | fill-column:79 |
| 89 | End: |
| 90 | */ |