Opens movie at position at which searched dialog occurs

DialogSeek

#!/bin/bash

#**************************************************************************#
#   Dialog Seek.sh                                                         #
#   by                                                                     #
#   Debanjum Singh Solanky                                                 #
#                                                                          #
#   Copyright (C) 2016  Debanjum Singh Solanky                             #
#                                                                          #
#   This program is free software: you can redistribute it and/or modify   #
#   it under the terms of the GNU General Public License as published by   #
#   the Free Software Foundation, either version 3 of the License, or      #
#   (at your option) any later version.                                    #
#                                                                          #
#   This program is distributed in the hope that it will be useful,        #
#   but WITHOUT ANY WARRANTY; without even the implied warranty of         #
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          #
#   GNU General Public License for more details.                           #
#**************************************************************************#

#**************************************************************************#
#   RUN                                                                    #
# ------------------------------------------------------------------------ #
#   Jump to Dialog Location in Movie using Subtitle Search                 #
#   ./DialogSeek.sh "Dialog" Movie Subtitle(Optional)                      #
#**************************************************************************#

#**************************************************************************#
#   DEPENDENCIES                                                           #
# ------------------------------------------------------------------------ #
#   VLC[rc on], BASH, pcregrep, zenity[for gui]                            #
#   VLC with remote control on & unix sock @ /tmp/vlc.sock                 #
#**************************************************************************#

# INITIALISING VARIABLES
VLC_RC_SOCKET="/tmp/vlc.sock"  #VLC RC Unix Socket Path

# VALID ARGUMENTS
# Script called with subtitle path
[ $# -eq 3 ] && (
	# Search & select dialog time
	 pcregrep -MB1 "^.*?(\n|.).*?(\n|.).*?$1.*?(\n|.).*?$" "$3" > vlcsubtemp
	# Clean up selected dialog times
	 pcregrep ".*\>.*[0-9][0-9]:.*" vlcsubtemp >vlcsubtemp1
	 sed 's/,.*//' vlcsubtemp1 > start
	 sed 's/.*> //' vlcsubtemp1 > vlcsubtemp
	 sed 's/,.*//' vlcsubtemp > stop
	# Storing dialog times from temporary file in array
	 IFS=$'\r\n' Dialog=($(cat start))
	# Clean Up
	 rm vlcsubtemp vlcsubtemp1 start stop
	# Convert time to seconds & jump to dialog time in VLC
	 i=0
	 ret=0
	 seek=$(echo ${Dialog[$i]} | tr ',' '.' | awk -F: '{ print ($1 * 3600) + ($2 * 60) + $3 }')

	 # Start VLC @ First Searchterm Instance
	 vlc --quiet --fullscreen --start-time=$(date +'%s' -d "1970-01-01 ${Dialog[$i]}Z") "$2" --sub-file "$3" 2 &
	 sleep 1 # Delay for vlc to startup

	# Main SearchTerm based Video Traversal Loop
	while [ $i -gt -1 ] && [ $i -lt $(( ${#Dialog[@]}-1 )) ]
	do
  	 # Wait Till Enter to Jump to Next  
	 read -p "Press [Enter] to jump to next occurence or [Ctrl+C] to exit"
	 i=$(( $i+1 ))

	 # Convert Dialog_to_seek to seconds & jump to the dialog time in video
	 seek=$(echo ${Dialog[$i]} | tr ',' '.' | awk -F: '{ print ($1 * 3600) + ($2 * 60) + $3 }')
	 echo -n "seek $seek" | nc -U $VLC_RC_SOCKET
	done
)

# Commandline w/o Subtitle Path [assumed default subtitle path = Moviepath.srt]
[ $# -eq 2 ] && (
	# Extract subtitle filename
	 filename=$(basename "$2")
	 subpath="${2%.*}.srt"

	 # AutoDownload Subtitles if not present
	 [ ! -f "$subpath" ] && Subtitles.py -g cli -a "$2"

	# Search & select dialog time
	 pcregrep -MB1 "^.*?(\n|.).*?(\n|.).*?$1.*?(\n|.).*?$" "$subpath" > vlcsubtemp

	# Clean up selected dialog times
	 pcregrep ".*\>.*[0-9][0-9]:.*" vlcsubtemp >vlcsubtemp1
	 sed 's/,.*//' vlcsubtemp1 > start
	 sed 's/.*> //' vlcsubtemp1 > vlcsubtemp
	 sed 's/,.*//' vlcsubtemp > stop
	# Storing dialog times from temporary file in array
	 IFS=$'\r\n' Dialog=($(cat start))
	# Clean Up
	 rm vlcsubtemp vlcsubtemp1 start stop
	# Convert time to seconds & jump to dialog time in VLC
	 i=0
	 ret=0
	 seek=$(echo ${Dialog[$i]} | tr ',' '.' | awk -F: '{ print ($1 * 3600) + ($2 * 60) + $3 }')

	 # Start VLC @ First Searchterm Instance
	 vlc --quiet --fullscreen --start-time=$(date +'%s' -d "1970-01-01 ${Dialog[$i]}Z") "$2" --sub-file "$subpath" 2 &
	 sleep 1 # Delay for vlc to startup

	# Main SearchTerm based Video Traversal Loop
	while [ $i -gt -1 ] && [ $i -lt $(( ${#Dialog[@]}-1 )) ]
	do
  	 # Wait Till Enter to Jump to Next  
	 read -p "Press [Enter] to jump to next occurence or [Ctrl+C] to exit"
	 i=$(( $i+1 ))

	 # Convert Dialog_to_seek to seconds & jump to the dialog time in video
	 seek=$(echo ${Dialog[$i]} | tr ',' '.' | awk -F: '{ print ($1 * 3600) + ($2 * 60) + $3 }')
	 echo -n "seek $seek" | nc -U $VLC_RC_SOCKET
	done
)

# GUI based 
[ $# -eq 1 ] && (
	 # Extract video, subtitle filepath
	 filepath=`echo $NAUTILUS_SCRIPT_SELECTED_FILE_PATHS | tr -d '\n'`
	 subpath="${filepath%.*}.srt"

	 # AutoDownload Subtitles if not present
	 [ ! -f "$subpath" ] && Subtitles.py -g cli -a "$filepath"

	 # SearchTerm Input DialogBox
	 search=$(zenity --title="Dialog Seek $subpath" --text "Enter Dialog to Search:" --entry) 
	 [ $? -gt 0 ] && exit 0
	 # Searching & selecting dialog time(s) in Movie
	 pcregrep -MB1 "^.*?(\n|.).*?(\n|.).*?$search.*?(\n|.).*?$" "$subpath" > vlcsubtemp

	# Clean up selected dialog times
	 pcregrep ".*\>.*[0-9][0-9]:.*" vlcsubtemp > vlcsubtemp1
	 sed 's/,.*//' vlcsubtemp1 > start
	 sed 's/.*> //' vlcsubtemp1 > vlcsubtemp
	 sed 's/,.*//' vlcsubtemp > stop

	# Storing dialog times from temporary file in array
	 IFS=$'\r\n' Dialog=($(cat start))

	# Clean Up
	 rm vlcsubtemp vlcsubtemp1 start stop

	# Convert time to seconds & jump to dialog time in VLC
	 i=0
	 ret=0
	 seek=$(echo ${Dialog[$i]} | tr ',' '.' | awk -F: '{ print ($1 * 3600) + ($2 * 60) + $3 }')

	 # Start VLC @ First Searchterm Instance
	 vlc --quiet --fullscreen --start-time=$(date +'%s' -d "1970-01-01 ${Dialog[$i]}Z") $NAUTILUS_SCRIPT_SELECTED_URIS --sub-file "$subpath" 2 &
	 sleep 1 # Delay for vlc to startup

	# Main SearchTerm based Video Traversal Loop
	while [ $i -gt -1 ] && [ $i -lt $(( ${#Dialog[@]}-1 )) ]
	do
	 # Select jump to next_instance/previous_instance/exit_script(if dialog box times out(=5s))
	 # Dialog box
	 zenity --question --title="Dialog Seek: \"$search\"" --text="Jump To Dialog:" --ok-label="Next" --cancel-label="Previous" --timeout=5

	 # Evaluating Choice
	 ret=$?
	 [ $ret -eq 5 ] && exit 0
	 [ $ret -eq 1 ] && i=$(( $i-1 )) 
	 [ $ret -eq 0 ] && i=$(( $i+1 ))

	 # Convert Dialog_to_seek to seconds & jump to the dialog time in video
	 seek=$(echo ${Dialog[$i]} | tr ',' '.' | awk -F: '{ print ($1 * 3600) + ($2 * 60) + $3 }')
	 echo -n "seek $seek" | nc -U $VLC_RC_SOCKET
	done
)

# INVALID ARGUMENTS
[[ $# -lt 1 ]] || [[ $# -gt 3]] && (
echo -e "Invalid Argument(s)\nCommand Format: $0 \"Dialog\" \"Movie\" <\"Subtitle\">\nExample 1: $0 \"Mr. Anderson\" \"The Matrix.mkv\"\nExample 2: $0 \"Mr. Anderson\" \"The Matrix.mkv\" \"The Matrix.srt\"")