utility functions

bpy.utils.smpte_from_seconds(time)
 bpy.utils.smpte_from_frame(frame)
This commit is contained in:
Campbell Barton 2010-05-10 20:41:01 +00:00
parent a2166e5bc1
commit daba1d23ff

@ -332,3 +332,52 @@ def preset_paths(subdir):
'''
return (_os.path.join(_presets, subdir), )
def smpte_from_seconds(time, fps=None):
'''
Returns an SMPTE formatted string from the time in seconds: "HH:MM:SS:FF".
If the fps is not given the current scene is used.
'''
import math
if fps is None:
fps = _bpy.context.scene.render.fps
hours = minutes = seconds = frames = 0
if time < 0:
time = -time
neg = "-"
else:
neg = ""
if time >= 3600.0: # hours
hours = int(time / 3600.0)
time = time % 3600.0
if time >= 60.0: # mins
minutes = int(time / 60.0)
time = time % 60.0
seconds = int(time)
frames= int(round(math.floor( ((time - seconds) * fps))))
return "%s%02d:%02d:%02d:%02d" % (neg, hours, minutes, seconds, frames)
def smpte_from_frame(frame, fps=None, fps_base=None):
'''
Returns an SMPTE formatted string from the frame: "HH:MM:SS:FF".
If the fps and fps_base are not given the current scene is used.
'''
if fps is None:
fps = _bpy.context.scene.render.fps
if fps_base is None:
fps_base = _bpy.context.scene.render.fps_base
return smpte_from_seconds((frame * fps_base) / fps, fps)