Aiuto:Mpeg2dv.sh



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This page is a translated version of a page Help:Mpeg2dv.sh and the translation is 88% complete. Changes to the translation template, respectively the source language can be submitted through Help:Mpeg2dv.sh and have to be approved by a translation administrator.
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    • Se il software di editing video non importa direttamente i file mpeg dalla fotocamera digitale, potrebbe essere necessario convertirli in dv per importare ad esempio in iMovie.

    Istruzioni

    1. Salva il codice sul desktop; assicurati che l'estensione sia davvero .sh e non .sh.txt.
    1. Place the script in a proper place like /usr/local/bin/mpeg2dv.sh on Mac OS X or for example ~/bin/mpeg2dv.sh on Linux that is in your $PATH environment variable and make the script executable if needed.
    1. Apri il terminale (Terminal.app su Mac OS X; si trova nella cartella utility delle applicazioni) e digita:
    mpeg2dv.sh anMpgFile.mpg anotherMpgFile.mpg

    Il risultato dovrebbe essere il file .dv nella sottocartella in questione.

    Script

    #!/bin/sh

# This script converts mpeg files from a digital camera 
# into the DV format using the ffmpeg tool.
#
# Eric Kow
# Public domain - do whatever you want with this

FFMPEG_FLAGS="-ac 2 -ar 48000 -hq -s 720x480"
TYPE_1=
TYPE_2='-map 0:1 -map 0:0' 
TYPE_3='-map 0:2 -map 0:1'

try_ffmpeg() {
  IN_FILE=${1}
  OUT_FILE=${2}
  while [ "$#" -gt "2" ]
  do
    TYPE=${3}
    ffmpeg -i "${IN_FILE}" ${TYPE} ${FFMPEG_FLAGS} "${OUT_FILE}" || :
    if [ -s ${OUT_FILE} ]; then
      return 0
    else
      rm ${OUT_FILE}
    fi
    shift
  done
}

# for each file...
while [ "$#" -gt "0" ]
do
  # what file are we working on now?
  in_file=$1
  in_file_uscore=`echo ${in_file} | sed -e 's/ /_/g'`
  out_file_stem=`basename ${in_file_uscore} .mpg`
  out_file=${out_file_stem}.dv
  shift

  try_ffmpeg "${in_file}" "${out_file}"\
    "${TYPE_1}" "${TYPE_2}" "${TYPE_3}"
done

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