Mercurial > pyntnclick
annotate pyntnclick/sound.py @ 565:88cffe418201 pyntnclick
Pyflakes sound
| author | Neil Muller <neil@dip.sun.ac.za> |
|---|---|
| date | Sat, 11 Feb 2012 15:37:59 +0200 |
| parents | 2f7aa3cad77c |
| children | 9c3528c2cbe5 |
| rev | line source |
|---|---|
| 107 | 1 # Sound management for Suspended Sentence |
| 2 | |
| 3 # This re-implements some of the albow.resource code to | |
| 4 # a) work around an annoying bugs | |
| 5 # b) add some missing functionality (disable_sound) | |
| 6 | |
|
111
18ffaaaa27e7
Add explicit check for sound file existence (my pygame 1.9 returns a valid sound object even when the path does not exist).
Simon Cross <simon@simonx>
parents:
107
diff
changeset
|
7 import os |
|
18ffaaaa27e7
Add explicit check for sound file existence (my pygame 1.9 returns a valid sound object even when the path does not exist).
Simon Cross <simon@simonx>
parents:
107
diff
changeset
|
8 |
| 123 | 9 import pygame |
| 564 | 10 |
| 11 try: | |
| 12 from pygame.mixer import Sound as pygame_Sound | |
| 13 from pygame.mixer import music | |
| 14 pygame_import_error = None | |
| 15 except ImportError, e: | |
| 16 # Save error, so we don't crash and can do the right thing later | |
| 17 pygame_import_error = e | |
| 18 pygame_Sound = None | |
| 19 music = None | |
| 20 | |
| 21 from pyntnclick.constants import FREQ, BITSIZE, CHANNELS, BUFFER | |
| 22 from pyntnclick.resources import ResourceNotFound | |
| 23 | |
| 154 | 24 import albow.music |
| 107 | 25 |
| 564 | 26 |
| 27 class DummySound(object): | |
| 28 """A dummy sound object. | |
| 29 | |
| 30 This is a placeholder object with the same API as | |
| 31 pygame.mixer.Sound which does nothing. Used when | |
| 32 sounds are disabled so scense don't need to worry | |
| 33 about the details. | |
| 34 | |
| 35 Inpsired by the same idea in Albow (by Greg Ewing)""" | |
| 36 | |
| 565 | 37 def play(self, *args): |
| 38 pass | |
| 564 | 39 |
| 565 | 40 def stop(self): |
| 41 pass | |
| 564 | 42 |
| 565 | 43 def get_length(self): |
| 44 return 0.0 | |
| 564 | 45 |
| 565 | 46 def get_num_channel(self): |
| 47 return 0 | |
| 564 | 48 |
| 565 | 49 def get_volume(self): |
| 50 return 0.0 | |
| 564 | 51 |
| 565 | 52 def fadeout(self, *args): |
| 53 pass | |
| 107 | 54 |
| 534 | 55 |
| 564 | 56 class Sound(object): |
| 57 """Global sound management and similiar useful things""" | |
| 58 | |
| 59 def __init__(self, resource_finder): | |
| 60 self.sound_enabled = False | |
| 61 self.sound_cache = {} | |
| 62 self._resource_finder = resource_finder | |
| 63 | |
| 64 def enable_sound(self): | |
| 65 """Attempt to initialise the sound system""" | |
| 66 if pygame_Sound is None: | |
| 67 self.disable_sound(pygame_import_error) | |
| 68 return | |
| 107 | 69 try: |
| 564 | 70 pygame.mixer.init(FREQ, BITSIZE, CHANNELS, BUFFER) |
| 71 self.sound_enabled = True | |
| 72 except pygame.error, exc: | |
| 73 self.disable_sound(exc) | |
| 74 | |
| 75 def disable_sound(self, exc=None): | |
| 76 """Disable the sound system""" | |
| 77 self.sound_enabled = False | |
| 78 if exc is not None: | |
| 79 print 'Failed to initialise sound system' | |
| 80 print 'Error: %s' % exc | |
| 81 print 'Sound disabled' | |
| 82 | |
| 83 def get_sound(self, *names): | |
| 84 if not self.sound_enabled: | |
| 565 | 85 return DummySound() |
| 564 | 86 soundfile = os.path.join(names) |
| 87 sound = None | |
| 88 try: | |
| 89 path = self._resource_finder("sounds", soundfile) | |
| 565 | 90 sound = self.sound_cache.get(path, None) |
| 564 | 91 except ResourceNotFound: |
| 92 print "Sound file not found: %s" % soundfile | |
| 93 # Cache failed lookup | |
| 94 sound = DummySound() | |
| 95 self.sound_cache[path] = sound | |
| 96 if sound is None: | |
| 97 try: | |
| 98 sound = pygame_Sound(path) | |
| 99 except pygame.error, e: | |
| 100 print "Sound file not found: %s" % soundfile | |
| 101 sound = DummySound() | |
| 102 self.sound_cache[path] = sound | |
| 103 return sound | |
| 107 | 104 |
| 564 | 105 def get_playlist(self, pieces, random=False, repeat=False): |
| 106 return albow.music.PlayList(pieces, random, repeat) | |
| 534 | 107 |
| 564 | 108 def get_music(self, name, prefix): |
| 109 return albow.music.get_music(name, prefix) | |
| 107 | 110 |
| 564 | 111 def change_playlist(self, new_playlist): |
| 112 albow.music.change_playlist(new_playlist) | |
| 154 | 113 |
| 565 | 114 |
| 154 | 115 def start_next_music(): |
| 116 """Start playing the next item from the current playlist immediately.""" | |
| 117 if albow.music.music_enabled and albow.music.current_playlist: | |
| 118 next_music = albow.music.current_playlist.next() | |
| 119 if next_music: | |
| 120 #print "albow.music: loading", repr(next_music) | |
| 121 music.load(next_music) | |
| 122 music.play() | |
| 123 albow.music.next_change_delay = albow.music.change_delay | |
| 124 albow.music.current_music = next_music | |
| 125 | |
| 534 | 126 |
|
315
7b07ffc37ec0
Suspend background sound for bridge computer detail
Neil Muller <neil@dip.sun.ac.za>
parents:
188
diff
changeset
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127 def get_current_playlist(): |
|
7b07ffc37ec0
Suspend background sound for bridge computer detail
Neil Muller <neil@dip.sun.ac.za>
parents:
188
diff
changeset
|
128 if albow.music.music_enabled and albow.music.current_playlist: |
|
7b07ffc37ec0
Suspend background sound for bridge computer detail
Neil Muller <neil@dip.sun.ac.za>
parents:
188
diff
changeset
|
129 return albow.music.current_playlist |
|
7b07ffc37ec0
Suspend background sound for bridge computer detail
Neil Muller <neil@dip.sun.ac.za>
parents:
188
diff
changeset
|
130 |
| 154 | 131 # Monkey patch |
| 132 albow.music.start_next_music = start_next_music |