peck-clip

#!/bin/bash
#
# /usr/local/bin/peck-clip
#
# Create a clip from each peck result
#
# Written by FFS
#
# Changelog:
#
#       2014-11-02 Forked from intersect
#
# -----------------------------------------------------------

# Help screen
if [ "$1" = "-h" -o "$1" = "--help" -o "$1" = "help" ] ; then
  echo -e "\n\t\t* * * Red Hen Commandline Clip Creation * * *"
  echo -e "\n\tGenerate a video clip from each peck search result."
  echo -e "\n\tSyntax:"
  echo -e "\n\t\t`basename $0` <input file.csv> <clip duration> <output directory>"
  echo -e "\n\tThe default duration is 10 seconds."
  echo -e "\tThe default output directory is ~/Clips."
  echo -e "\n\tExamples:"
  echo -e "\n\t\t`basename $0` ~/MyResults1.csv"
  echo -e "\t\t`basename $0` ~/MyResults1.csv 15 ~/MyClips"
  echo -e "\n\tBe careful not to generate needlessly large numbers of clips!\n"
  echo -e "\n\tSee also peck, peck-segment, and extract-frames.\n"
   exit
fi

# Search result file
if [ -z "$1" ]
  then echo -e "\nPlease include a filename of peck search results; see `basename $0` -h for usage.\n" ; exit
  else SEED="$1"
fi

# Clip duration
if [ -z "$2" ]
  then DUR=10
  else DUR="$2"
fi

# Intersection output file
if [ -z "$3" ]
  then OUT=~/Clips ; if [ ! $OUT ] ; then mkdir $OUT ; fi
  else OUT="$3"
fi

# Welcome
echo -e "\n\tRed Hen generates a video clip for each search results in $SEED ...\n"

# Line number
LEN="$( cat $SEED | wc -l )"

# Verify
if [ "$LEN" = "0" ] ; then echo -e "\n\tThe file $SEED is empty.\n" ; exit ; fi

# Loop through the lines
for NUM in `seq 1 $LEN` ; do
  LIN="$( sed -n "$NUM p" $SEED )"

  # Debug
  #echo "$LIN"

  # Header
  if [ "$( echo "$LIN" | grep ^filename )" ] ; then continue ; fi

  # Get the file name and start time
  IFS="|" read FIL o o o o URL o <<< "$LIN"

  # Verify
  if [ -f "$OUT/${FIL%.*}_${URL##*,}-$[${URL##*,}+$DUR].mp4" ]
    then echo -e "\t$OUT/${FIL%.*}_${URL##*,}-$[${URL##*,}+$DUR].mp4 already exists.\n" ; exit
  fi

  # Create the clip
  clip ${FIL%.*}.mp4 ${URL##*,}-$[${URL##*,}+$DUR] $OUT

done

# Receipt
echo -e "\n\tRed Hen generated $[LEN-1] clips from $SEED.\n"

# EOF