Lehekülje Mptv lähteteksti vaatamine

Siin on pisike minu arendatud skript, mis genereerib mplayeri käsu TV salvestamiseks kõvakettale. Käivitamiseks näiteks:
 ./mptv.py tv3 v2ljundfail.asf

 #!/usr/bin/python
 
 ############################################################################
 #    Copyright (C) 2007 by v6sa                                            #
 #    v6sa@v6sa.pingviin.org                                                #
 #                                                                          #
 #    This program is free software; you can redistribute it and#or modify  #
 #    it under the terms of the GNU General Public License v2 as published  #
 #    by the Free Software Foundation                                       #
 #                                                                          #
 #    This program is distributed in the hope that it will be useful,       #
 #    but WITHOUT ANY WARRANTY; without even the implied warranty of        #
 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         #
 #    GNU General Public License for more details.                          #
 ############################################################################
 
 import sys,os
 
 # Kanalite tabel:
 channels = [ ['etv',    59.25],
              ['kanal2', 223.50],
              ['tv3',    527.85],
              ['yle1',   182.50],
              ['yle2',   196.50],
              ['mtv3',   495.50],
              ['svt',    583.50],
              ['nelonen',719.50]]
 
 # Programm mida k2ivitakase on mencoder
 command="mencoder "
 
 # V2ljundfaili FPS
 command+=" -ofps 25 "
 
 # J2tab vahele esimesed kaks sekundit (kanali valimise myra)
 command += " -ss 2 "
 
 # 8MB puhver, aga see vist siin yleyldse ei m6ika
 command += " -cache 8192 "
 
 # Vali oma koodek:
 # Lahja MPEG-2
 #command += "-ovc lavc -lavcopts vcodec=mpeg1video"
 # x264, v2ga n6udlik!
 #command+="-ovc x264 -x264encopts subq=4:bframes=2:b_pyramid:weight_b"
 # Realtime MPEG-4
 #command+="-ovc lavc -lavcopts vcodec=mpeg4:mbd=2:turbo"
 # Fast MPEG-4
 command+="-ovc lavc -lavcopts vcodec=mpeg4:mbd=2:trell:v4mv"
 
 # Kaks threadi, sobiv kahetuumalisele
 command+=":threads=2"
 
 # Iga kaheksas kaader on keyframe, vajalik korrektseks seek-imiseks videovoos
 command+=":keyint=8"
 
 # Heli pakib MP3-ks
 command+=" -oac mp3lame "
 
 # V2ljundkonteineri pluginas, kuna v2ljundfaili parameeter on .ASF, 
 #siis pannakse ta ka ASF konteinerisse mis on sobiv striimimiseks.
 command+=" -of lavf "
 
 # Video l6ikamine, cropdetect parameetrid:
 crop=[695,530,10,15]
 #command+="-vf cropdetect"
 command+=" -vf crop="+str(crop[0])+":"+str(crop[1])+":"+str(crop[2])+":"+str(crop[3])
 
 # Lihtne deinterlace:
 command+=",pp=lb"
 
 # Skaleerimine:
 command+=",scale=400:300 "
 #command+=",scale=520:390 "
 #command+=",scale=640:480 "
 #command+=",scale=320:240 "
 #command+=",scale=200:150 "
 
 # Keyframe-de puuk
 command+=" -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames "
 
 # Vaatame telekat
 command+=" tv:// "
 # TV mooduli parameetrid
 command+=" -tv buffersize=1024:driver=v4l2:width=720:height=578"
 # Heli loeb sisse ALSA kaudu (/dev/dsp1 -> telekakaardi heli)
 command+=":alsa:adevice=hw.1,0:amode=1:immediatemode=0:audiorate=32000"
 
 # Sagedustabel
 freq=channels[0][1]
 for channel in channels:
  if channel[0] == sys.argv[1]:
    freq = channel[1]
 command+=":freq="+str(freq)
 
 # Heli resamplimine telekakaardi 32kHz -> standartne 44.1kHz
 command+=" -af-adv force=0 -af resample=44100:0:2 "
 
 # Kuhu salvestada
 command+=" -o "+sys.argv[2]+" "
 print command
 os.system(command)