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comparison pytouhou/lib/sdl.pyx @ 421:b1248bab2d0f

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Add back music and SFX playback using SDL_mixer instead of pyglet, and add FLAC and Vorbis support.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 16 Jul 2013 21:07:15 +0200
parents 3a7b36324611
children 52829ebe2561
comparison
equal deleted inserted replaced
420:3a7b36324611 421:b1248bab2d0f
35 SCANCODE_ESCAPE = SDL_SCANCODE_ESCAPE 35 SCANCODE_ESCAPE = SDL_SCANCODE_ESCAPE
36 36
37 KEYDOWN = SDL_KEYDOWN 37 KEYDOWN = SDL_KEYDOWN
38 QUIT = SDL_QUIT 38 QUIT = SDL_QUIT
39 39
40 DEFAULT_FORMAT = MIX_DEFAULT_FORMAT
41
40 42
41 class SDLError(Exception): 43 class SDLError(Exception):
42 pass 44 pass
43 45
44 46
95 for i in xrange(nb_pixels): 97 for i in xrange(nb_pixels):
96 # Only use the red value, assume the others are equal. 98 # Only use the red value, assume the others are equal.
97 image[3+4*i] = alpha[3*i] 99 image[3+4*i] = alpha[3*i]
98 100
99 101
102 cdef class Music:
103 cdef Mix_Music *music
104
105 def __dealloc__(self):
106 if self.music != NULL:
107 Mix_FreeMusic(self.music)
108
109 def play(self, int loops):
110 Mix_PlayMusic(self.music, loops)
111
112 def set_loop_points(self, double start, double end):
113 #Mix_SetLoopPoints(self.music, start, end)
114 pass
115
116
117 cdef class Chunk:
118 cdef Mix_Chunk *chunk
119
120 def __dealloc__(self):
121 if self.chunk != NULL:
122 Mix_FreeChunk(self.chunk)
123
124 property volume:
125 def __set__(self, float volume):
126 Mix_VolumeChunk(self.chunk, int(volume * 128))
127
128 def play(self, int channel, int loops):
129 Mix_PlayChannel(channel, self.chunk, loops)
130
131
100 def init(Uint32 flags): 132 def init(Uint32 flags):
101 if SDL_Init(flags) < 0: 133 if SDL_Init(flags) < 0:
102 raise SDLError(SDL_GetError()) 134 raise SDLError(SDL_GetError())
103 135
104 136
105 def img_init(Uint32 flags): 137 def img_init(Uint32 flags):
106 if IMG_Init(flags) != flags: 138 if IMG_Init(flags) != flags:
107 raise SDLError(SDL_GetError()) 139 raise SDLError(SDL_GetError())
108 140
109 141
142 def mix_init(int flags):
143 if Mix_Init(flags) != flags:
144 raise SDLError(SDL_GetError())
145
146
110 def quit(): 147 def quit():
111 SDL_Quit() 148 SDL_Quit()
112 149
113 150
114 def img_quit(): 151 def img_quit():
115 IMG_Quit() 152 IMG_Quit()
153
154
155 def mix_quit():
156 Mix_Quit()
116 157
117 158
118 def gl_set_attribute(SDL_GLattr attr, int value): 159 def gl_set_attribute(SDL_GLattr attr, int value):
119 if SDL_GL_SetAttribute(attr, value) < 0: 160 if SDL_GL_SetAttribute(attr, value) < 0:
120 raise SDLError(SDL_GetError()) 161 raise SDLError(SDL_GetError())
156 if surface.surface == NULL: 197 if surface.surface == NULL:
157 raise SDLError(SDL_GetError()) 198 raise SDLError(SDL_GetError())
158 return surface 199 return surface
159 200
160 201
202 def mix_open_audio(int frequency, Uint16 format_, int channels, int chunksize):
203 if Mix_OpenAudio(frequency, format_, channels, chunksize) < 0:
204 raise SDLError(SDL_GetError())
205
206
207 def mix_close_audio():
208 Mix_CloseAudio()
209
210
211 def mix_allocate_channels(int numchans):
212 if Mix_AllocateChannels(numchans) != numchans:
213 raise SDLError(SDL_GetError())
214
215
216 def mix_volume(int channel, float volume):
217 return Mix_Volume(channel, int(volume * 128))
218
219
220 def mix_volume_music(float volume):
221 return Mix_VolumeMusic(int(volume * 128))
222
223
224 def load_music(const char *filename):
225 music = Music()
226 music.music = Mix_LoadMUS(filename)
227 if music.music == NULL:
228 raise SDLError(SDL_GetError())
229 return music
230
231
232 def load_chunk(file_):
233 cdef SDL_RWops *rwops
234 chunk = Chunk()
235 data = file_.read()
236 rwops = SDL_RWFromConstMem(<char*>data, len(data))
237 chunk.chunk = Mix_LoadWAV_RW(rwops, 1)
238 if chunk.chunk == NULL:
239 raise SDLError(SDL_GetError())
240 return chunk
241
242
161 def get_ticks(): 243 def get_ticks():
162 return SDL_GetTicks() 244 return SDL_GetTicks()
163 245
164 246
165 def delay(Uint32 ms): 247 def delay(Uint32 ms):