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comparison pytouhou/ui/music.py @ 325:cddfd3cb4797

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Add music support for >PCB.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 21 Jun 2012 15:01:01 +0200
parents c412df42aa15
children 61caded6b4f5
comparison
equal deleted inserted replaced
324:c412df42aa15 325:cddfd3cb4797
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ## GNU General Public License for more details. 12 ## GNU General Public License for more details.
13 ## 13 ##
14 14
15 15
16 from pyglet.media import AudioData 16 from pyglet.media import AudioData, AudioFormat
17 from pyglet.media.riff import WaveSource 17 from pyglet.media.riff import WaveSource
18 18
19 19
20 class InfiniteWaveSource(WaveSource): 20 class InfiniteWaveSource(WaveSource):
21 def __init__(self, filename, start, end, file=None): 21 def __init__(self, filename, start, end, file=None):
49 49
50 timestamp = float(self._offset) / self.audio_format.bytes_per_second 50 timestamp = float(self._offset) / self.audio_format.bytes_per_second
51 duration = float(bytes) / self.audio_format.bytes_per_second 51 duration = float(bytes) / self.audio_format.bytes_per_second
52 52
53 return AudioData(data, bytes, timestamp, duration) 53 return AudioData(data, bytes, timestamp, duration)
54
55
56 def seek(self, timestamp):
57 raise NotImplementedError('irrelevant')
58
59
60 class ZwavSource(InfiniteWaveSource):
61 def __init__(self, filename, format, file=None):
62 if file is None:
63 file = open(filename, 'rb')
64
65 self._file = file
66
67 assert b'ZWAV' == self._file.read(4)
68
69 self.audio_format = AudioFormat(
70 channels=format.wChannels,
71 sample_size=format.wBitsPerSample,
72 sample_rate=format.dwSamplesPerSec)
73
74 self._start_offset = 0
75 self._offset = format.intro
76
77 self._file.seek(self._offset)
78 self._start = format.intro + format.start
79 self._end = format.intro + format.duration