Initial commit

.gitignore

@@ -0,0 +1 @@
+*.pyc

ffmpeg-split.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+
+import subprocess
+import re
+import math
+from optparse import OptionParser
+
+
+length_regexp = 'Duration: (\d{2}):(\d{2}):(\d{2})\.\d+,'
+re_length = re.compile(length_regexp)
+
+def main():
+
+    (filename, split_length) = parse_options()
+    if split_length <= 0:
+        print "Split length can't be 0"
+        raise SystemExit
+
+    output = subprocess.Popen("ffmpeg -i '"+filename+"' 2>&1 | grep 'Duration'", 
+                            shell = True,
+                            stdout = subprocess.PIPE
+                            ).stdout.read()
+    print output
+    matches = re_length.search(output)
+    if matches:
+        video_length = int(matches.group(1)) * 3600 + \
+                        int(matches.group(2)) * 60 + \
+                        int(matches.group(3))
+        print "Video length in seconds: "+str(video_length)
+    else:
+        print "Can't determine video length."
+        raise SystemExit
+
+    split_count = math.ceil(video_length/float(split_length))
+    if(split_count == 1):
+        print "Video length is less then the target split length."
+        raise SystemExit
+
+    split_cmd = "ffmpeg -i '"+filename+"' -vcodec copy "
+    for n in range(0, split_count):
+        split_str = ""
+        if n == 0:
+            split_start = 0
+        else:
+            split_start = split_length * n
+        
+        split_str += " -ss "+str(split_start)+" -t "+str(split_length) + \
+                    " '"+filename[:-4] + "-" + str(n) + "." + filename[-3:] + \
+                    "'"
+        print "About to run: "+split_cmd+split_str
+        output = subprocess.Popen(split_cmd+split_str, shell = True, stdout =
+                               subprocess.PIPE).stdout.read()
+
+
+def parse_options():
+    parser = OptionParser()    
+    
+    parser.add_option("-f", "--file",
+                        dest = "filename",
+                        help = "file to split, for example sample.avi",
+                        type = "string",
+                        action = "store"
+                        )
+    parser.add_option("-s", "--split-size",
+                        dest = "split_size",
+                        help = "split or chunk size in seconds, for example 10",
+                        type = "int",
+                        action = "store"
+                        )
+    (options, args) = parser.parse_args()
+    
+    if options.filename and options.split_size:
+
+        return (options.filename, options.split_size)
+
+    else:
+        parser.print_help()
+        raise SystemExit
+
+if __name__ == '__main__':
+
+    try: 
+        main()
+    except Exception, e:
+        print "Exception occured running main():"
+        print str(e)
+