Closing of memory filedescriptor right after their usage (to save memory).

removeads.py

@@ -458,6 +458,7 @@ def extractAllStreams(inputFile, begin, end, streams, filesPrefix, nbFrames, wid
         videoID=0
         audioID=0
         subTitleID=0
+        memfds = []
         for stream in streams:
             if stream['codec_type'] == 'video':
                 logger.info("Extracting video stream v:%d" % videoID)
@@ -485,7 +486,9 @@ def extractAllStreams(inputFile, begin, end, streams, filesPrefix, nbFrames, wid
                 codec = stream['codec_name']
                 imagesBytes, memfd = extractPictures(inputFile=inputFile, begin=begin, nbFrames=nbFrames, width=width, height=height)
                 if imagesBytes == None:
-                    sys.exit(-1)
+                    exit(-1)
+                
+                memfds.append(memfd)
                 
                 if dumpMemFD:
                     dumpPPM(imagesBytes, '%s-%d' % (filesPrefix,videoID), temporaries)
@@ -517,6 +520,11 @@ def extractAllStreams(inputFile, begin, end, streams, filesPrefix, nbFrames, wid
                 
                 soundBytes , memfd = extractSound(inputFile=inputFile, begin=begin, nbPackets=nbPackets, packetDuration=packetDuration, outputFileName=tmpname, sampleRate=sampleRate, nbChannels=nbChannels)
                 
+                if soundBytes == None:
+                    exit(-1)
+                    
+                memfds.append(memfd)
+                
                 if dumpMemFD:
                     try:
                         output = open(tmpname,'w')
@@ -575,6 +583,9 @@ def extractAllStreams(inputFile, begin, end, streams, filesPrefix, nbFrames, wid
         
             temporaries.append(output)
         
+        for memfd in memfds:
+            close(memfd)
+        
         return output
         
     else: