[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [28722] trunk/blender/release/scripts/ modules/bpy/utils.py: utility functions

[Campbell Barton]

Revision: 28722
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=28722
Author:   campbellbarton
Date:     2010-05-10 22:41:01 +0200 (Mon, 10 May 2010)

Log Message:
-----------
utility functions
 bpy.utils.smpte_from_seconds(time)
 bpy.utils.smpte_from_frame(frame)

Modified Paths:
--------------
    trunk/blender/release/scripts/modules/bpy/utils.py

Modified: trunk/blender/release/scripts/modules/bpy/utils.py
===================================================================
--- trunk/blender/release/scripts/modules/bpy/utils.py	2010-05-10 19:39:43 UTC (rev 28721)
+++ trunk/blender/release/scripts/modules/bpy/utils.py	2010-05-10 20:41:01 UTC (rev 28722)
@@ -332,3 +332,52 @@
     '''
 
     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)
+    
\ No newline at end of file