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###########################################################
#
# Copyright (c) 2005, Southpaw Technology
# All Rights Reserved
#
# PROPRIETARY INFORMATION. This software is proprietary to
# Southpaw Technology, and is not to be reproduced, transmitted,
# or disclosed in any way without written permission.
#
#
#
__all__ = ['TimeCode']
import types
class TimeCode(object):
def __init__(my, **kwargs):
my.frames = kwargs.get("frames")
my.fps = kwargs.get("fps")
if not my.fps:
from pyasm.prod.biz import ProdSetting
my.fps = ProdSetting.get_by_key("fps")
if not my.fps:
my.fps = 24
if not my.frames:
timecode = kwargs.get("timecode")
my.frames = my.calculate_frames(timecode, my.fps)
def get_frames(my):
return my.frames
def get_timecode(my, format='MM:SS:FF', fps=None):
frames = my.frames
if not fps:
fps = my.fps
hours = frames // (60*60*fps)
minutes = (frames // (60*fps)) % 60
seconds = ((frames // fps) % 60 ) % 60
frames = frames % fps % 60 % 60
if format == 'MM:SS:FF':
timecode = "%0.2d:%0.2d:%0.2d" %(minutes, seconds, frames)
elif format == 'MM:SS.FF':
timecode = "%0.2d:%0.2d.%0.2d" %(minutes, seconds, frames)
elif format == 'MM:SS':
timecode = "%0.2d:%0.2d" %(minutes, seconds)
elif format == 'HH:MM:SS:FF':
timecode = "%0.2d:%0.2d:%0.2d:%0.2d" %(hours, minutes, seconds, frames)
elif format == 'HH:MM:SS.FF':
timecode = "%0.2d:%0.2d:%0.2d.%0.2d" %(hours, minutes, seconds, frames)
elif format == 'HH:MM:SS':
timecode = "%0.2d:%0.2d:%0.2d" %(hours, minutes, seconds)
return timecode
def calculate_frames(my, timecode, fps):
if not timecode:
return 0
parts = timecode.split(":")
if parts[-1].find(".") != -1:
a, b = parts[-1].split(".")
parts[-1] = a
parts.append(b)
# SS:FF
if len(parts) == 2:
seconds = int(parts[0])
frames = int(parts[1])
frames = frames + fps*seconds
# MM:SS:FF
elif len(parts) == 3:
minutes = int(parts[0])
seconds = int(parts[1])
frames = int(parts[2])
frames = frames + fps*( seconds + 60*(minutes) )
# HH:MM:SS:FF
elif len(parts) == 4:
hours = int(parts[0])
minutes = int(parts[1])
seconds = int(parts[2])
frames = int(parts[3])
frames = frames + fps*( seconds + 60*(minutes + 60*hours) )
return frames
def __add__(my, timecode):
if isinstance(timecode, TimeCode):
t = timecode
else:
t = TimeCode(timecode=timecode, fps=my.fps)
frames = t.get_frames() + my.get_frames()
t2 = TimeCode(frames=frames, fps=my.fps)
return t2
def __add__(my, timecode):
if type(timecode) == types.IntType:
frames = timecode
else:
if isinstance(timecode, TimeCode):
t = timecode
else:
t = TimeCode(timecode=timecode, fps=my.fps)
frames = t.get_frames()
frames = frames + my.get_frames()
t2 = TimeCode(frames=frames, fps=my.fps)
return t2
def __sub__(my, timecode):
if type(timecode) == types.IntType:
frames = timecode
else:
if isinstance(timecode, TimeCode):
t = timecode
else:
t = TimeCode(timecode=timecode, fps=my.fps)
frames = t.get_frames()
frames = my.get_frames() - frames
t2 = TimeCode(frames=frames, fps=my.fps)
return t2
# FIXME: this should be a separate file: produces a dependency error
"""
import unittest
class TimeCodeTest(unittest.TestCase):
def test_all(my):
timecode = "00:01:12"
fps = 24
t1 = TimeCode(timecode=timecode, fps=fps)
frames = t1.get_frames()
my.assertEquals(36, frames)
timecode2 = t1.get_timecode()
my.assertEquals(timecode, timecode2)
timecode = "00:02:00"
fps = 24
t2 = TimeCode(timecode=timecode, fps=fps)
frames = t2.get_frames()
my.assertEquals(48, frames)
# try changing fps
timecode = t2.get_timecode(fps=12)
my.assertEquals("00:04:00", timecode)
timecode = t2.get_timecode(fps=60)
my.assertEquals("00:00:48", timecode)
# try adding
t3 = t1 + t2
my.assertEquals(84, t3.get_frames())
timecode = t3.get_timecode()
my.assertEquals("00:03:12", timecode)
t3 = t3 + "00:02:20"
timecode = t3.get_timecode()
my.assertEquals("00:06:08", timecode)
t3 = t1 + 24
timecode = t3.get_timecode()
my.assertEquals("00:02:12", timecode)
# try subtracting
t3 = t2 - t1
timecode = t3.get_timecode()
my.assertEquals("00:00:12", timecode)
timecode2 = TimeCode(timecode="01:15:12")
timecode1 = TimeCode(timecode="01:12:15")
timecode = timecode1 + timecode2
my.assertEquals("02:28:03", timecode.get_timecode() )
timecode = timecode2 - timecode1
my.assertEquals("00:02:21", timecode.get_timecode() )
if __name__ == '__main__':
unittest.main()
"""