ffmpeg-builds/src/ffmpeg-install

#!/bin/bash

########################################################
# Script to install FFmpeg on GNU/Linux                #
# Website: https://www.johnvansickle.com/ffmpeg/       #
# Created by q3aql (q3aql@protonmail.ch)               #
# Builds by John Van Sickle (john.vansickle@gmail.com) #
# Licensed by GPL v2.0                                 #
# Date: 12-03-2021                                     #
########################################################
VERSION="v2.0"
M_DATE="100321"

# Variables
URL=https://www.johnvansickle.com/ffmpeg/
URL_RELEASES=https://johnvansickle.com/ffmpeg/releases/
URL_BUILDS=https://johnvansickle.com/ffmpeg/builds/
TMP_DIR=/tmp
PATH_INSTALL=/usr/bin/
# Downloader
APP_DOWNLOAD="x"
NAME_APP_DOWNLOAD="x"


# Function to check root permission
function rootMessage() {
	mkdir -p /etc/root &> /dev/null
	administrator=$?
  if [ ${administrator} -eq 0 ] ; then
		rm -rf /etc/root
  else
    echo ""
    echo "* ffmpeg-install ${VERSION} (${M_DATE}) (GPL v2.0)"
    echo ""
    echo "+ Root permissions are required!"
    echo ""
    exit
  fi
}

# Function to detect "kernel" name
function kernelCheck() {
	KERNEL=$(uname -s)
	if   [ $KERNEL == "Linux" ]; then
		KERNEL=linux
	else
		echo ""
		echo "* ffmpeg-install ${VERSION} (${M_DATE}) (GPL v2.0)"
		echo ""
		echo "+ Unsupported OS ($KERNEL)"
		echo ""
		exit
	fi
}

# Function to detect "arch" system.
function archCheck() {
	archs=`uname -m`
	case "$archs" in
		i?86)
			ARCH=i686
			;;
		x86_64)
			ARCH=amd64
			;;
		*)
			echo ""
			echo "* ffmpeg-install ${VERSION} (${M_DATE}) (GPL v2.0)"
			echo ""
			echo "+ Unsupported Arquitecture ($archs)"
			echo ""
			exit
	esac
}

# Function to check if 'curl' is installed. 
function curlCheck () {
	curl --help &> /dev/null
	if [ "$?" -eq 0 ] ; then
		echo "OK" > /dev/null
	else
		echo ""
		echo "* ffmpeg-install ${VERSION} (${M_DATE}) (GPL v2.0)"
		echo ""
		echo "+ Error: You must install 'curl'."
		echo ""
		exit
	fi
}
  
# Function to check available downloaders (wget, axel or aria2c).
function checkDownloader() {
	# Check wget installed
  wget --help &> /dev/null
  checkWget="$?"
  # Check axel installed
  axel --help &> /dev/null
  checkAxel="$?"
  # Check aria2c installed
  aria2c --help &> /dev/null
  checkAria2="$?"
  # Check variables
  if [ ${checkAria2} -eq 0 ] ; then
		APP_DOWNLOAD='aria2c --check-certificate=false'
		NAME_APP_DOWNLOAD="aria2c"
  elif [ ${checkAxel} -eq 0 ] ; then
		APP_DOWNLOAD='axel'
		NAME_APP_DOWNLOAD="axel"
  elif [ ${checkWget} -eq 0 ] ; then
		APP_DOWNLOAD='wget -c'
		NAME_APP_DOWNLOAD="wget"
	elif [ "x${APP_DOWNLOAD}" = "x" ] ; then
		echo ""
		echo "* ffmpeg-install ${VERSION} (${M_DATE}) (GPL v2.0)"
		echo ""
		echo "+ Error: You must install 'wget' or 'axel' or 'aria2'."
		echo ""
		exit
	fi
}

# Check all configs
rootMessage
kernelCheck
archCheck
curlCheck
checkDownloader

# Sintax to install, update and uninstall FFmpeg.
case ${1} in
	--install|-install|--update|-update)
		cd ${TMP_DIR}
		rm -rf ffmpeg-*
		echo ""
		echo "* ffmpeg-install ${VERSION} (${M_DATE}) (GPL v2.0)"
		echo ""
		if [ "${2}" == "release" ] ; then
			curl ${URL} | grep "${URL_RELEASES}" | cut -d '"' -f 2 | grep "${ARCH}" | head -1 > $TMP_DIR/ffmpeg-url
			if [ "$?" -eq 0 ] ; then
				echo "OK" > /dev/null
			else
				echo "+ Connection problem!"
				echo "* Exiting..."
				exit
			fi
		else
			curl ${URL} | grep "${URL_BUILDS}" | cut -d '"' -f 2 | grep "${ARCH}" | head -1 > $TMP_DIR/ffmpeg-url
			if [ "$?" -eq 0 ] ; then
				echo "OK" > /dev/null
			else
				echo "+ Connection problem!"
				echo "* Exiting..."
				exit
			fi
		fi
			URL_PACKAGE=`cat $TMP_DIR/ffmpeg-url`
			NAME_PACKAGE=`cat /tmp/ffmpeg-url | cut -d "/" -f 6`
			#clear
			echo "* Downloading ${NAME_PACKAGE} (${NAME_APP_DOWNLOAD})"
			${APP_DOWNLOAD} ${URL_PACKAGE}
			if [ "$?" -eq 0 ] ; then
				echo "OK" > /dev/null
			else
				echo ""
				echo "+ Connection problem!"
				echo "* Exiting..."
				exit
      fi
      tar Jxvf ${NAME_PACKAGE}
      rm -f ffmpeg-url ffmpeg*xz
      cd ffmpeg-*
      cp -rfv ffmpeg ${PATH_INSTALL}
      cp -rfv ffprobe ${PATH_INSTALL}
      cd ..
      rm -rf ffmpeg-*
      echo "* Finished!"
      exit
	;;
	--uninstall|-uninstall)
		echo ""
		echo "* ffmpeg-install ${VERSION} (${M_DATE}) (GPL v2.0)"
		echo ""
		echo "* Uninstalling FFmpeg..."
		sleep 3
		rm -rfv /usr/bin/ffmpeg
		rm -rfv /usr/bin/ffprobe
		echo "* Finished!"
	;;
	--help|-help|-h|*)
		echo ""
		echo "* ffmpeg-install ${VERSION} (${M_DATE}) (GPL v2.0)"
		echo ""
		echo "* Script: q3aql (q3aql@protonmail.ch)"
		echo "* Builds: John Van Sickle (john.vansickle@gmail.com)"
		echo ""
		echo "+ Sintax:"
		echo ""
		echo " $ ffmpeg-install --install         --> Install FFmpeg (Git version)"
		echo " $ ffmpeg-install --install release --> Install FFmpeg (Stable version)"
		echo " $ ffmpeg-install --update          --> Update FFmpeg (Git version)"
		echo " $ ffmpeg-install --update release  --> Update FFmpeg (Stable version)"
		echo " $ ffmpeg-install --uninstall       --> Uninstall FFmpeg previously installed"
		echo " $ ffmpeg-install --help            --> Show help"
		echo ""
		exit
esac