diff --git a/nzbtomedia/__init__.py b/nzbtomedia/__init__.py
index f680e100..04cac153 100644
--- a/nzbtomedia/__init__.py
+++ b/nzbtomedia/__init__.py
@@ -392,6 +392,8 @@ def initialize(section=None):
     GENERALOPTS = (CFG["Transcoder"]["generalOptions"])
     if isinstance(GENERALOPTS, str): GENERALOPTS = GENERALOPTS.split(',')
     if GENERALOPTS == ['']: GENERALOPTS = []
+    if not '-fflags' in GENERALOPTS: GENERALOPTS.append('-fflags')
+    if not '+genpts' in GENERALOPTS: GENERALOPTS.append('+genpts')
     try:
         OUTPUTQUALITYPERCENT = int(CFG["Transcoder"]["outputQualityPercent"])
     except: pass
diff --git a/nzbtomedia/transcoder/transcoder.py b/nzbtomedia/transcoder/transcoder.py
index 0d1ebf5b..625cd919 100644
--- a/nzbtomedia/transcoder/transcoder.py
+++ b/nzbtomedia/transcoder/transcoder.py
@@ -8,7 +8,6 @@ import nzbtomedia
 import json
 import shutil
 import re
-from subprocess import call
 from nzbtomedia import logger
 from nzbtomedia.nzbToMediaUtil import makeDir
 
@@ -534,7 +533,9 @@ def extract_subs(file, newfilePath, bitbucket):
         print_cmd(command)
         result = 1 # set result to failed in case call fails.
         try:
-            result = call(command, stdout=bitbucket, stderr=bitbucket)
+            proc = subprocess.Popen(command, stdout=bitbucket, stderr=bitbucket)
+            proc.communicate()
+            result = proc.returncode
         except:
             logger.error("Extracting subtitle has failed")
 
@@ -725,7 +726,7 @@ def Transcode_directory(dirName):
         result = 1 # set result to failed in case call fails.
         try:
             if isinstance(file, str):
-                result = call(command, stdout=bitbucket, stderr=bitbucket)
+                proc = subprocess.Popen(command, stdout=bitbucket, stderr=bitbucket)
             else:
                 img, data = file.iteritems().next()
                 proc = subprocess.Popen(command, stdout=bitbucket, stderr=bitbucket, stdin=subprocess.PIPE)
@@ -734,8 +735,8 @@ def Transcode_directory(dirName):
                     if procin:
                         shutil.copyfileobj(procin.stdout, proc.stdin)
                         procin.stdout.close()
-                proc.communicate()
-                result = proc.returncode
+            proc.communicate()
+            result = proc.returncode
         except:
             logger.error("Transcoding of video %s has failed" % (newfilePath))