Added rockbox sansa fuze on download video conversion script. This sc…

…ript converts any mp4 videos to play on a Sansa Fuze with rockbox installed, should be adaptable for a wider range of devices

rockbox_mp4_convert.py

@@ -0,0 +1,129 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# Requirements: apt-get install python-kaa-metadata  ffmpeg python-dbus
+# To use, copy it as a Python script into ~/.config/gpodder/hooks/rockbox_mp4_convert.py
+# See the module "gpodder.hooks" for a description of when each hook
+# gets called and what the parameters of each hook are.
+#Based on Rename files after download based on the episode title
+#And patch in Bug https://bugs.gpodder.org/show_bug.cgi?id=1263
+# Copyright (c) 2011-04-06 Guy Sheffer <guysoft at gmail.com>
+# Copyright (c) 2011-04-04 Thomas Perl <thp.io>
+# Licensed under the same terms as gPodder itself
+
+DEFAULT_DEVICE_WIDTH = 224.0 #make sure to include the .0, this is a float
+DEFAULT_DEVICE_HEIGHT = 176.0
+ROCKBOX_EXTENTION = "mpg"
+EXTENTIONS_TO_CONVERT = ['.mp4'] 
+FFMPEG_OPTIONS = '-vcodec mpeg2video -b 500k -ab 192k -ac 2 -ar 44100 -acodec libmp3lame'
+
+from gpodder import util
+import os
+import os.path
+
+import kaa.metadata
+#import subprocess
+import time
+
+import dbus #For onscreen messages
+
+#create a session 
+bus = dbus.SessionBus()
+
+#Get the required notification service
+notify_service = bus.get_object('org.freedesktop.Notifications', \
+        '/org/freedesktop/Notifications')
+
+#interface for a message
+notify_interface = dbus.Interface(notify_service, \
+        'org.freedesktop.Notifications')
+def message(title,message):
+    '''
+    Send a notify message via Dbus
+    '''
+    notify_interface.Notify("test-notify", 0, '', title, \
+        message, [], {}, -1)
+
+def convertMP4(from_file, to_file):
+    '''
+    Convert MP4 file to rockbox mpg file
+    '''
+    time.sleep(4)
+    print "wooohoo"
+
+    #input_command = self.decoder_command % input_filename
+    #output_command = self.encoder_command % output_filename
+
+    if not os.path.isfile(to_file):
+
+        print "Converting:" + from_file
+        info = kaa.metadata.parse(from_file)
+
+        deviceWidth = DEFAULT_DEVICE_WIDTH
+        deviceHeight = DEFAULT_DEVICE_HEIGHT
+        width = info.video[0].width
+        height = info.video[0].height
+
+        try:
+            if height != None:
+
+                destWidth = DEFAULT_DEVICE_WIDTH
+                destHeight = DEFAULT_DEVICE_HEIGHT
+
+                widthRatio = destWidth/width
+                heightRatio = deviceHeight/height
+
+                destWidth = deviceWidth
+                destHeight = widthRatio*height
+
+                if destHeight > deviceHeight:
+                    destHeight = deviceHeight
+                    destWidth = heightRatio*width
+                message('Running conversion script',"Converting  "+ from_file)
+
+                convert_command = 'ffmpeg -y -i "' + from_file +'" -s ' + str(int(destWidth))+ 'x' +  str(int(destHeight)) + ' ' + FFMPEG_OPTIONS + ' "' + to_file + '"'
+
+                #process = subprocess.Popen(convert_command, stdout=subprocess.PIPE, shell=True)
+                os.system(convert_command)
+            else:
+                raise
+        except:
+            message('Conversion error',"Could not locate file for Conversion:  "+ from_file)
+    return
+
+print "RockBox mp4 converter hook loaded"
+class gPodderHooks(object):
+    def on_episode_downloaded(self, episode):
+
+        try:            
+            current_filename = episode.local_filename(False)
+
+            dirname = os.path.dirname(current_filename)
+            filename = os.path.basename(current_filename)
+            basename, ext = os.path.splitext(filename)
+
+            #print ext + " "+ str(EXTENTIONS_TO_CONVERT)
+        except:
+            print "Exception!"
+
+        if  ext in EXTENTIONS_TO_CONVERT:
+            print "Converting"
+            #new_filename = util.sanitize_encoding(episode.title) + ext
+
+            new_filename = (current_filename[:- len(ext)]) +  "." + ROCKBOX_EXTENTION
+            new_filebasename = basename + "." + ROCKBOX_EXTENTION
+
+            print 'Renaming:', filename, '->', new_filename
+
+            destination_filename = os.path.join(dirname, new_filename)
+
+            convertMP4(current_filename, destination_filename)
+
+            #os.rename(current_filename, destination_filename)
+
+            episode.filename = os.path.basename(destination_filename)
+            episode.save()
+            os.remove(current_filename)
+            print "done converting!"
+        else:
+            print "Not converting"
+