# Bruce Maxwell
# January 2012
# Program that generates note entries for the granular Csound synthesis
# These are randomly selected samples played at regular time intervals

import sys
import random


# Generates N granules, played at regular intervals in sequence
# Each granule is a random sample from the source table
# The length of each granule is determined by the beats-per-minute and overlap (given)
# The playback speed is randomly chosen from between minfreq and maxfreq
# The amplitude is a given
# Total time is a given

def main(argv):
	
    if len(argv) < 6:
        print 'Usage: python %s <instr> <bpm> <time (s)> <max> <overlap> <playback ratio> <amplitude> <table>' % (argv[0])
        exit()

    instr = int(argv[1])
    
    time = float(argv[3])

    overlap = float(argv[5])

    duration = 1.0 / (float(argv[2]) / 60.0)

    samplemax = int(argv[4])

    ibase = float(argv[6])

    iamp = float(argv[7])

    itbl = int(argv[8])

    N = int(time / duration)

    for i in range(N):
        cps = random.randint(0, samplemax)
        s = 'i  %6d %6.2f %6.2f %10.2f %6.2f %8d %8d' % (instr, i*duration, duration*overlap, iamp, ibase, cps, itbl)
        print s


if __name__ == "__main__":
	main(sys.argv)