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annotate pytouhou/ui/music.pyx @ 612:73f134f84c7f

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Request a RGB888 context, since SDL2’s default of RGB332 sucks. On X11/GLX, it will select the first config available, that is the best one, while on EGL it will iterate over them to select the one closest to what the application requested. Of course, anything lower than RGB888 looks bad and we really don’t want that.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 26 Mar 2015 20:20:37 +0100
parents c84227022765
children 4ce3ef053a25
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2012 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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4 ##
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5 ## This program is free software; you can redistribute it and/or modify
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6 ## it under the terms of the GNU General Public License as published
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7 ## by the Free Software Foundation; version 3 only.
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8 ##
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9 ## This program is distributed in the hope that it will be useful,
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ## GNU General Public License for more details.
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13 ##
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14
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15
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16 from os.path import join
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17 from glob import glob
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18 from pytouhou.lib import sdl
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19 from pytouhou.lib.sdl cimport load_music, Music, load_chunk, Chunk
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20 from pytouhou.utils.helpers import get_logger
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21 from pytouhou.game.music cimport MusicPlayer
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22
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23 logger = get_logger(__name__)
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24
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25
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26 cdef class BGMPlayer(MusicPlayer):
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27 cdef list bgms
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28
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29 def __init__(self, resource_loader, bgms):
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30 self.bgms = []
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31 for bgm in bgms:
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32 if not bgm:
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33 self.bgms.append(None)
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34 continue
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35 posname = bgm[1].replace('bgm/', '').replace('.mid', '.pos')
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36 try:
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37 track = resource_loader.get_track(posname)
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38 except KeyError:
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39 track = None
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40 logger.warn('Music description “%s” not found, continuing without looping data.', posname)
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41 globname = join(resource_loader.game_dir, bgm[1]).replace('.mid', '.*')
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42 filenames = glob(globname)
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43 for filename in reversed(filenames):
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44 try:
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45 source = load_music(filename)
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46 except sdl.SDLError as error:
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47 logger.debug('Music file “%s” unreadable: %s', filename, error)
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48 continue
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49 else:
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50 if track is not None:
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51 source.set_loop_points(track.start / 44100., track.end / 44100.) #TODO: retrieve the sample rate from the actual track.
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52 self.bgms.append(source)
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53 logger.debug('Music file “%s” opened.', filename)
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54 break
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55 else:
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56 self.bgms.append(None)
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57 logger.warn('No working music file for “%s”, disabling bgm.', globname)
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58
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59 cpdef play(self, index):
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60 cdef Music bgm
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61 bgm = self.bgms[index]
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62 if bgm is not None:
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63 bgm.play(-1)
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64
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65
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66 cdef class SFXPlayer(MusicPlayer):
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67 cdef object loader
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68 cdef dict channels, sounds
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69 cdef float volume
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70 cdef int next_channel
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71
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72 def __init__(self, loader, volume=.42):
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73 self.loader = loader
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74 self.channels = {}
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75 self.sounds = {}
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76 self.volume = volume
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77 self.next_channel = 0
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78
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79 cdef int get_channel(self, name):
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80 if name not in self.channels:
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81 self.channels[name] = self.next_channel
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82 self.next_channel += 1
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83 return self.channels[name]
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84
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85 cdef Chunk get_sound(self, name):
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86 cdef Chunk chunk
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87 if name not in self.sounds:
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88 try:
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89 wave_file = self.loader.get_file(name)
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90 chunk = load_chunk(wave_file)
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91 except (KeyError, sdl.SDLError) as error:
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92 logger.warn('Sound “%s” not found: %s', name, error)
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93 chunk = None
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94 else:
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95 chunk.set_volume(self.volume)
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96 self.sounds[name] = chunk
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97 return self.sounds[name]
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98
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99 cpdef play(self, name):
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100 sound = self.get_sound(name)
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101 if sound is None:
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102 return
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103 channel = self.get_channel(name)
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104 sound.play(channel, 0)
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105
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106 cpdef set_volume(self, name, float volume):
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107 sound = self.get_sound(name)
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108 if sound is not None:
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109 sound.set_volume(volume)