Transformar películas de mpg a avi: mencoder

Por Paco Aldarias Raya

Impreso: Jun 20, 2004

Contents

1  Introducción

2  Reproducción de video

3  Instalación

4  Paquetes instalados

dpkg -l | grep mencoder
ii  mencoder-k7    1.0-pre3-0.0   MPlayer's Movie Encoder

dpkg -l | grep dvd
ii  dvd+rw-tools   5.19.4.9.7-2   DVD+-RW/R tools
ii  dvdauthor      0.6.10-sarge1  create DVD-Video file system
ii  dvdbackup      0.1.1-1        Tool to rip DVD's from the command line
ii  dvdrtools      0.1.5-3        DVD writing program
ii  gstreamer-dvd  0.6.4-4        DVD plugin for GStreamer
ii  libdvdcss0     0.0.3-8        Simple foundation for reading DVDs - runtime
ii  libdvdcss1     1.0.1-0.1      Simple foundation for reading DVDs - runtime
ii  libdvdcss2     1.2.5-sarge0.2 Simple foundation for reading DVDs - runtime
ii  libdvdnav1     0.1.3-1        The DVD navigation library
ii  libdvdnav4     0.1.9-2        The DVD navigation library
ii  libdvdplay0    1.0.1-5        a portable abstraction library for DVD menus
ii  libdvdread2    0.9.3-2        Simple foundation for reading DVDs.
ii  libdvdread3    0.9.4-4        Simple foundation for reading DVDs
ii  xine-dvdnav    0.9.13-1       xine DVD plugin that is capable of Menus and

dpkg -l | grep transcode
ii  transcode      0.6.12-sarge0. Utility to encode raw video/audio streams

dpkg -l | grep k3b
ii  k3b            0.11.9-2       A sophisticated KDE cd burning application
ii  k3b-i18n       0.11-1         Internationalized (i18n) files for k3b
ii  k3blibs        0.11.9-2       The KDE cd burning application library - run
rc  libk3bcore2    0.10.3-5       The KDE cd burning application library - cor
rc  libk3bplugin1  0.10.3-5       The KDE cd burning application library - plu
rc  libk3bproject1 0.10.3-5       The KDE cd burning application library - pro
rc  libk3btools1   0.10.3-5       The KDE cd burning application library - too

5  Pasar un vcd a mpg

6  Pasar mp3 a avi

6.1  Calcular el tiempo que tarda la pelicula en segundos

6.1.1  Con mpgtx

apt-get install mpgtx

6.1.2  Con divxcomp

apt-get install divxcomp

6.1.3  Con xine

6.1.4  Con mplayer

6.2  Calcular la orden que deberemos poner

#!/bin/bash

if [ $# != 1 ] ; then
    echo "Use: dvd-ripping <movie size in seconds> <movie>"
    echo ""
    exit 1
fi

# Biggest file size is 700mb, which is 716800kbytes
# but   just   in  case   we  use a little smaller size
MAXSIZE=700000

SEGUNDOS=$1
MINUTOS=$(($SEGUNDOS/60))

#Audio rate is 128bits/s which is 16kbytes/s
AUDIOSIZE=$((16*$SEGUNDOS))
LIBRE=$(($MAXSIZE - $AUDIOSIZE))
RATE=$((($LIBRE*8) / $SEGUNDOS))


#tcprobe -i $2

echo "Calculating rate for movie which lasts $MINUTOS minutes..."

echo "Estimated rate: $RATE"

FINALSIZE=$(( ($RATE * $SEGUNDOS)/8 + $AUDIOSIZE))

echo "Estimated size: $FINALSIZE"

echo "The command is:"
echo "mencoder -dvd 1 -ovc lavc \
  -lavcopts vcodec=mpeg4:vhq:vbitrate=$RATE \
  -vop scale -zoom -xy 640  -oac mp3lame \
  -lameopts abr:br=128 -o file.avi"
 

7  Saber información del video: tcprobe

tcprobe -i video.mpg

tcprobe -i vidoe.avi

8  Bibliografía

1. Ripeando DVDs a Divx con mencoder (mplayer) en Linux
   http://dvdripping-guid.berlios.de/index_es.html
   
   
2. Video DVD Linux Como
   http://www.forosdelweb.com/util/videodvdlinuxcomo.pdf
   
   

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