class MidiInFile:
"""
Parses a midi file, and triggers the midi events on the outStream
object.
"""
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()
return p.parseMTrkChunks()
def setData(self, data=''):
"Sets the data from a plain string"
self.raw_in.setData(data)
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
Parameters
----------
outStream : MidiOutStream object ????
infile : str
"""
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)
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
Parameters
----------
outStream : MidiOutStream object ????
infile : str
"""
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)
channel_data = raw_in.nextSlice(data_size)
event_type, channel = hi_nible, lo_nible
dispatch.channel_messages(event_type, channel, channel_data)
def parseMTrkChunks(self):
"Parses all track chunks."
for t in range(self.nTracks):
self._current_track = t
self.parseMTrkChunk() # this is where it's at!
self.dispatch.eof()
if __name__ == '__main__':
# get data
test_file = 'test/midifiles/minimal.mid'
test_file = 'test/midifiles/cubase-minimal.mid'
test_file = 'test/midifiles/Lola.mid'
# f = open(test_file, 'rb')
# raw_data = f.read()
# f.close()
#
#
# # do parsing
from MidiToText import MidiToText
from RawInstreamFile import RawInstreamFile
midi_in = MidiFileParser(RawInstreamFile(test_file), MidiToText())
midi_in.parseMThdChunk()
midi_in.parseMTrkChunks()
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 __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)
