Adding a clipping script

Crawler/ActivityNetParser.py

@@ -0,0 +1,76 @@
+import json
+from pprint import pprint
+import glob
+import os
+import shutil
+import sys
+from moviepy.video.io.ffmpeg_tools import ffmpeg_extract_subclip
+import subprocess
+
+with open('activity_net.v1-3.min.json') as data_file:    
+    data = json.load(data_file)
+
+if os.path.isdir('training')==0:
+	os.mkdir('training')
+if os.path.isdir('testing')==0:
+	os.mkdir('testing')
+if os.path.isdir('validation')==0:
+	os.mkdir('validation')
+
+dataref=data["database"]
+pprint(len(dataref))
+videos= glob.glob("*.mp4")
+str1="t e s t i n g"
+str2="t r a i n i n g"
+str3="v a l i d a t i o n"
+print('The number of videos are',len(videos))
+for i in range(0,len(videos)):
+
+	print('Processing video number ',i)
+	video=videos[i]
+	vl1=dataref[video[2:len(video)-4]]["annotations"]
+	v2=dataref[video[2:len(video)-4]]["annotations"]
+	seglen=len(v2)	
+	print('The video is ', video)	
+	subs=dataref[video[2:len(video)-4]]["subset"]
+	vl= " ".join(str(x) for x in vl1)
+	s1= " ".join(str(x) for x in subs)
+
+	if s1==str1:
+		print('testing')
+		shutil.copy2(video,'testing')
+
+	if s1==str2:
+		print('training')
+		start = vl.find('label')+10
+        end=vl.find('}',start)-1
+        label=vl[start:end]
+		newdir='training'+'/'+label
+		if os.path.isdir(newdir)==0:
+			os.mkdir(newdir)
+		for j in range(0,seglen):
+            		stri=v2[j].items()
+            		seg=stri[0]
+            		t=seg[1]
+            		tstart=t[0]
+            		tend=t[1]
+			vstr=newdir+'/'+video[0:len(video)-4]+str(j)+'.mp4'
+			ffmpeg_extract_subclip(video, tstart, tend, targetname=vstr)
+	if s1==str3:
+		print('validation')
+		start = vl.find('label')+10
+		end=vl.find('}',start)-1
+		label=vl[start:end]
+		newdir='validation'+'/'+label
+		if os.path.isdir(newdir)==0:
+			os.mkdir(newdir)
+		for j in range(0,seglen):
+            		stri=v2[j].items()
+            		seg=stri[0]
+            		t=seg[1]
+            		tstart=t[0]
+            		tend=t[1]
+			vstr=newdir+'/'+video[0:len(video)-4]+str(j)+'.mp4'
+			ffmpeg_extract_subclip(video, tstart, tend, targetname=vstr)
+
+