def addTempo(self, offset, beats):
""" Create a midi tempo meta event.
beats - beats per second
Return - packed midi string
"""
cmd = chr(0xff) + chr(0x51) + chr(0x03)
self.delDup(offset, cmd)
self.addToTrack( offset, cmd + intTo3Byte(60000000/beats) )
def addTempo(self, offset, beats):
""" Create a midi tempo meta event.
beats - beats per second
Return - packed midi string
"""
cmd = packBytes((0xff, 0x51, 0x03))
self.delDup(offset, cmd)
self.addToTrack(offset, packBytes(cmd, intTo3Byte(60000000 // beats)))
def addTempo(self, offset, beats):
""" Create a midi tempo meta event.
beats - beats per second
Return - packed midi string
"""
cmd = packBytes((0xff, 0x51, 0x03))
self.delDup(offset, cmd)
self.addToTrack(offset, packBytes(cmd, intTo3Byte(60000000 // beats)))
def addTempo(self, offset, bpm):
""" Create a midi tempo meta event.
bpm - beats per minute
Return - packed midi string
"""
cmd = packBytes((0xff, 0x51, 0x03))
self.delDup(offset, cmd)
self.addToTrack(offset, packBytes(cmd, intTo3Byte(60000000 // bpm)))
tempoChanges.append([offset, bpm])
