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#!/bin/sh
#some folders
SRC_DIR=src_vids # for holding source videos -- will be deleted at the end of this script.
PROC_DIR=vids # procseed videos (truncated to 45 seconds)
#clean up outputs from previous execution
#rm -r $SRC_DIR
#rm -r $PROC_DIR
# Download two videos (with CC licenses) from youtube in multiple
# different formats (all in low quality to avoid polluting the repository
# with large amounts of incompressible data)
# Then truncate them all to one minute long.
DOG_SRC="https://www.youtube.com/watch?v=xf0Mi3kWKhY"
CAT_SRC="https://www.youtube.com/watch?v=Mu7aPLc0Lq4"
get_src_vid() {
URL=$1
NICE_NAME=$2
i=1
youtube-dl -f 160 $URL --output $SRC_DIR/$NICE_NAME.$((i++)).mp4
youtube-dl -f 394 $URL --output $SRC_DIR/$NICE_NAME.$((i++)).mp4
youtube-dl -f 278 $URL --output $SRC_DIR/$NICE_NAME.$((i++)).webm
}
truncate_src_vids() {
for F in $SRC_DIR/*
do
echo $(basename -- $F)
mkdir -p $PROC_DIR
ffmpeg -y -i $F -t 45 -c copy $PROC_DIR/$(basename -- $F)
done
}
get_src_vid $DOG_SRC dog
get_src_vid $CAT_SRC cat
truncate_src_vids
#remove source videos
#rm -rf $SRC_DIR
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