add more files

src/math/cost.py

@@ -0,0 +1,7 @@
+"""
+Functions in this file should always target for 0 to be the 
+lowest possible error -> smaller values win
+"""
+
+def quadratic_loss(target, result):
+    return (target - result)**2.0

src/mediautils/video.py

@@ -0,0 +1,13 @@
+import moviepy.editor as mp
+
+def get_subclips(source_video_path, moments):
+    vid = mp.VideoFileClip(source_video_path)
+    clips = []
+    for m in moments:
+        clips.append(vid.subclip(m.start, m.stop))
+    return clips, vid
+
+def render_moments(moments, input_video_path, output_path):
+        clips, vid = get_subclips(input_video_path, moments)
+        to_render = mp.concatenate_videoclips(clips, logger=None)
+        to_render.write_videofile(output_path, logger=None)