Posted By

daxumaming on 04/13/11

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Last Edited at 04/13/11 07:32pm

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Convert Flash Videos on a directory to MP4

/ Published in: Bash

This will convert videos to MP4 that's optimized and plays on my phone. The said videos should be stored on a directory so this script could parse them.

Requires unstripped codecs from the Medibuntu repository (libavcodec-unstripped-52, libavdevice-unstripped-52, libavformat-unstripped-52, etc.) which contains the MP4 and libfaac Encoders. See: http://ubuntuforums.org/showthread.php?t=1117283 and http://www.medibuntu.org/repository.php

This script also requires the libnotify1 package for the notify-send command (or you can just echo it, instead of using the desktop notification daemon)

Update the ffmpeg statement as needed, check the documentation at http://www.ffmpeg.org/ffmpeg-doc.html

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#!/bin/bash

############################################################
## License: Public Domain
## Author: Dax Solomon Umaming
## 
## Save in ~/bin then execute on a directory
## with the videos you wish to convert
## 
## Take note that you'll need ffmpeg restricted libraries
## On Ubuntu, you can download and install them from the
## Medibuntu Repository at http://medibuntu.org/
## check the howtos for instruction on how to install them
## you'll need the *-unstripped and *-extra libraries
## 
## You'll also need to have libnotify1 package installed
## Since ffmpeg already outputs tons of messages on the
## terminal, the messages this script outputs will only
## be readable (or even usable) using the desktop
## notification daemon
## 
############################################################

# get filenames in a directory
for origfilename in *
do

# skip mp4 files, since that is - afterall - our target file format
	if expr "$origfilename" : "$.*\.[Mm][Pp]4$$" > /dev/null 2>&1
	
		then echo "Skipping $origfilename"
		
	# process non-mp4 files
	else
		# placeholder to be utilized by the array
		newfilename=$origfilename
	
		# set video file extensions in an array
		vidextensions=(flv avi mkv 3gp ogv m4v f4v)
		
		# remove above-declared extensions from the file name
		for vidext in "${vidextensions[@]}"
		do
			newfilename=`echo $newfilename|sed 's/\.'${vidext[@]}'$//g'`
		done
		
		# convert video files to mp4 format
		notify-send "Converting $origfilename to mp4"
		ffmpeg -i "$origfilename" -acodec libfaac -ac 2 -vcodec mpeg4 -r 25 -s qvga -metadata title="$newfilename" "$newfilename.mp4"
		
	fi

done
notify-send "Done converting all videos to MP4"

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