From d5eca944bda01ac92e18138eee4989215e9c956c Mon Sep 17 00:00:00 2001
From: Frederik Petersen <frederik.petersen@sap.com>
Date: Wed, 22 May 2013 13:03:23 +0200
Subject: [PATCH] Added scripts for converting and downscaling videos

The videos are downloaded from provided ftp server,
converted and reuploaded into an out directory.
They can then be referenced in the Video/Audio tab of the AdminConsole
---
 .../convertAndDownscaleVideos.sh              | 54 +++++++++++++++++++
 .../convertAndDownscaleVideosMulticore.sh     | 45 ++++++++++++++++
 2 files changed, 99 insertions(+)
 create mode 100644 configuration/video-conversion/convertAndDownscaleVideos.sh
 create mode 100644 configuration/video-conversion/convertAndDownscaleVideosMulticore.sh

diff --git a/configuration/video-conversion/convertAndDownscaleVideos.sh b/configuration/video-conversion/convertAndDownscaleVideos.sh
new file mode 100644
index 00000000000..7ef25027ee8
--- /dev/null
+++ b/configuration/video-conversion/convertAndDownscaleVideos.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+#Fetches videos from the given ftp directory, downscales them
+# and uploads them back into the directory+/out
+#
+# Notes on ffmpeg: Make sure to install an ffmpeg version with x264 support. 
+#  You can either compile it yourself (there are various online tutorials) or
+#  just download it from the http://www.deb-multimedia.org/ repository (if you use debian)
+HOST='sapevent.upload.akamai.com'
+USER='sail'
+PASS='S4iL!uPlo4D*'
+LOCALDIR='/tmp/sailvids'
+SOURCEDIR='/67696/sail/barbados'
+
+#Create temporary folder for videos
+#rm -rf $LOCALDIR
+mkdir $LOCALDIR
+
+#Download directory content (could be extended to filter for video files)
+lftp -f "
+	open $HOST
+	user $USER $PASS
+	mirror --verbose -r $SOURCEDIR $LOCALDIR
+	bye
+"
+
+#CREATE out dir
+mkdir $LOCALDIR/out
+
+#ITERATE FOR VIDEOS
+VIDEOFILES=$LOCALDIR/*.MP4
+COUNT=$(find $LOCALDIR -name "*.MP4" -print | wc -l)
+STEP=0
+for f in $VIDEOFILES
+do
+  FILENAME=$(basename "$f")
+  STEP=$(($STEP + 1))
+  echo "Processing Video $STEP/$COUNT: $FILENAME"
+  #Just to make sure that this is no directory
+  test -f "$f" || continue
+  #Actual conversion
+  ffmpeg -y -i "$f" -vcodec libx264 -profile baseline -preset slow -b 1500k -s 1024*576 -r 25 "$LOCALDIR/out/$FILENAME"
+done
+
+
+#Mirror directory to remote (since only out/ is changed, 
+#	only its contents will be uploaded)
+lftp -f "
+	open $HOST
+	user $USER $PASS
+	mirror -r --reverse --verbose $LOCALDIR/out $SOURCEDIR/out
+	bye
+"
+
+rm -rf $LOCALDIR
\ No newline at end of file
diff --git a/configuration/video-conversion/convertAndDownscaleVideosMulticore.sh b/configuration/video-conversion/convertAndDownscaleVideosMulticore.sh
new file mode 100644
index 00000000000..bbf07b09796
--- /dev/null
+++ b/configuration/video-conversion/convertAndDownscaleVideosMulticore.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+#Fetches videos from the given ftp directory, downscales them
+# and uploads them back into the directory+/out
+# Uses GNU parallel for multi-cpu usage 
+#
+# Notes on ffmpeg: Make sure to install an ffmpeg version with x264 support. 
+#  You can either compile it yourself (there are various online tutorials) or
+#  just download it from the http://www.deb-multimedia.org/ repository (if you use debian)
+#
+# Notes on GNU parallel: Make sure to install the GNU version of parallel (there are other
+#  programs with the same command. In debian: sudo apt-get install parallel
+HOST='sapevent.upload.akamai.com'
+USER='sail'
+PASS='S4iL!uPlo4D*'
+LOCALDIR='/tmp/sailvids'
+SOURCEDIR='/67696/sail/barbados'
+
+#Create temporary folder for videos
+#rm -rf $LOCALDIR
+mkdir $LOCALDIR
+
+#Download directory content (could be extended to filter for video files)
+time lftp -f "
+	open $HOST
+	user $USER $PASS
+	mirror --verbose -r $SOURCEDIR $LOCALDIR
+	bye
+"
+
+#CREATE out dir
+mkdir $LOCALDIR/out
+#Reference all video files
+echo "Starting to process videos"  
+#Starts gnu parallel with the conversion jobs
+time ls $LOCALDIR/*.{MP4,mp4,AVI,avi,3GP,3gp,MPEG,mpeg,MPG,mpg} | parallel -u --gnu 'echo "Starting conversion for: {/}";ffmpeg -y -i {} -vcodec libx264 -profile baseline -preset slow -b 1500k -s 1024*576 -r 25 {//}/out/{/.}.MP4;echo "Finished conversion for: {/}"'
+
+#Mirror directory to remote
+time lftp -f "
+	open $HOST
+	user $USER $PASS
+	mirror -r --reverse --verbose $LOCALDIR/out $SOURCEDIR/out
+	bye
+"
+
+rm -rf $LOCALDIR
\ No newline at end of file