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56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
15 years ago
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# -*- coding: ISO-8859-1 -*-
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from RawInstreamFile import RawInstreamFile
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from MidiFileParser import MidiFileParser
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class MidiInFile:
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"""
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Parses a midi file, and triggers the midi events on the outStream
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object.
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Get example data from a minimal midi file, generated with cubase.
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>>> test_file = 'C:/Documents and Settings/maxm/Desktop/temp/midi/src/midi/tests/midifiles/minimal-cubase-type0.mid'
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Do parsing, and generate events with MidiToText,
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so we can see what a minimal midi file contains
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>>> from MidiToText import MidiToText
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>>> midi_in = MidiInFile(MidiToText(), test_file)
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>>> midi_in.read()
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format: 0, nTracks: 1, division: 480
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----------------------------------
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<BLANKLINE>
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Start - track #0
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sequence_name: Type 0
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tempo: 500000
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time_signature: 4 2 24 8
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note_on - ch:00, note:48, vel:64 time:0
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note_off - ch:00, note:48, vel:40 time:480
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End of track
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<BLANKLINE>
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End of file
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"""
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def __init__(self, outStream, infile):
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# these could also have been mixins, would that be better? Nah!
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self.raw_in = RawInstreamFile(infile)
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self.parser = MidiFileParser(self.raw_in, outStream)
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def read(self):
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"Start parsing the file"
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p = self.parser
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p.parseMThdChunk()
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p.parseMTrkChunks()
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def setData(self, data=''):
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"Sets the data from a plain string"
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self.raw_in.setData(data)
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