You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
# -*- coding: ISO-8859-1 -*-
|
|
|
|
from RawInstreamFile import RawInstreamFile
|
|
from MidiFileParser import MidiFileParser
|
|
|
|
|
|
class MidiInFile:
|
|
|
|
"""
|
|
|
|
Parses a midi file, and triggers the midi events on the outStream
|
|
object.
|
|
|
|
Get example data from a minimal midi file, generated with cubase.
|
|
>>> test_file = 'C:/Documents and Settings/maxm/Desktop/temp/midi/src/midi/tests/midifiles/minimal-cubase-type0.mid'
|
|
|
|
Do parsing, and generate events with MidiToText,
|
|
so we can see what a minimal midi file contains
|
|
>>> from MidiToText import MidiToText
|
|
>>> midi_in = MidiInFile(MidiToText(), test_file)
|
|
>>> midi_in.read()
|
|
format: 0, nTracks: 1, division: 480
|
|
----------------------------------
|
|
<BLANKLINE>
|
|
Start - track #0
|
|
sequence_name: Type 0
|
|
tempo: 500000
|
|
time_signature: 4 2 24 8
|
|
note_on - ch:00, note:48, vel:64 time:0
|
|
note_off - ch:00, note:48, vel:40 time:480
|
|
End of track
|
|
<BLANKLINE>
|
|
End of file
|
|
|
|
|
|
"""
|
|
|
|
def __init__(self, outStream, infile):
|
|
# these could also have been mixins, would that be better? Nah!
|
|
self.raw_in = RawInstreamFile(infile)
|
|
self.parser = MidiFileParser(self.raw_in, outStream)
|
|
|
|
|
|
def read(self):
|
|
"Start parsing the file"
|
|
p = self.parser
|
|
p.parseMThdChunk()
|
|
p.parseMTrkChunks()
|
|
|
|
|
|
def setData(self, data=''):
|
|
"Sets the data from a plain string"
|
|
self.raw_in.setData(data)
|
|
|
|
|