1 #!/usr/bin/python 2 # 3 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 import sys 8 9 def GenerateSimpleStep(name, max_volume, step_size): 10 print '[%s]' % name 11 print ' ; Generated by create_volume_curve.py' 12 print ' ; simple_step curve, max %d, step %d' % (max_volume, step_size) 13 print ' volume_curve = simple_step' 14 print ' volume_step = %d' % step_size 15 print ' max_volume = %d' % max_volume 16 17 def WriteExplicitCurveVal(step, value): 18 print ' db_at_%d = %d' % (step, value) 19 20 def GenerateExplicit(name): 21 print '[%s]' % name 22 print ' ; Generated by create_volume_curve.py' 23 print ' ; explicit curve' 24 print ' volume_curve = explicit' 25 for i in range(100): 26 print 'Level at step %d:' % (100 - i) 27 level = int(raw_input(">")) 28 WriteExplicitCurveVal(100 - i, level) 29 print 'Level at step 0:' 30 level = int(raw_input(">")) 31 WriteExplicitCurveVal(0, level) 32 33 def GenerateTwoSlope(name, max_volume, step_1, step_2, pivot_point): 34 print '[%s]' % name 35 print ' ; Generated by create_volume_curve.py' 36 print (' ; two_slope, max = %d, pivot = %d, steps %d, %d' % 37 (max_volume, pivot_point, step_1, step_2)) 38 print ' volume_curve = explicit' 39 for i in range(0, (100 - pivot_point)): 40 WriteExplicitCurveVal(100 - i, max_volume - step_1 * i) 41 pivot_dB_val = max_volume - step_1 * (100 - pivot_point) 42 WriteExplicitCurveVal(pivot_point, max_volume - step_1 * (100 - pivot_point)) 43 for i in range(1, pivot_point): 44 WriteExplicitCurveVal(pivot_point - i, pivot_dB_val - step_2 * i) 45 WriteExplicitCurveVal(0, pivot_dB_val - pivot_point * step_2) 46 47 def main(): 48 print 'What is the name of the jack or output to generate a curve for?' 49 jack_name = raw_input(">"); 50 print 'Which type of curve? (simple_step, explicit, two_slope): ' 51 curve_type = raw_input(">"); 52 if curve_type == 'simple_step': 53 print 'max volume (dBFS * 100):' 54 max_volume = int(raw_input(">")) 55 print 'step size (in dBFS * 100)' 56 step_size = int(raw_input(">")) 57 GenerateSimpleStep(jack_name, max_volume, step_size) 58 elif curve_type == 'explicit': 59 GenerateExplicit(jack_name) 60 elif curve_type == 'two_slope': 61 print 'max volume (dBFS * 100):' 62 max_volume = int(raw_input(">")) 63 print 'Volume step where slope changes:' 64 pivot_point = int(raw_input(">")) 65 print 'step size 100 to %d(in dBFS * 100)' % pivot_point 66 step_1 = int(raw_input(">")) 67 print 'step size %d to 0(in dBFS * 100)' % pivot_point 68 step_2 = int(raw_input(">")) 69 GenerateTwoSlope(jack_name, max_volume, step_1, step_2, pivot_point) 70 71 if __name__ == '__main__': 72 main() 73
