create and upload screen reordings

i3cast

#!/bin/bash

# i3cast - create and upload screen recordings
# ============================================
# gluecifer: **budRich** 2017
# 
# ### usage ### 
# just run the script to start the recording  
# run it again to stop and preview the recording  
# and perform action, (save,upload or play again).  
# if no action is selected the recording is deleted.  
# uploaded recordings is also saved.  
# 
# a notification is shown when upload is complete and  
# a link is put in your clipboard.  
# 
# ### protip ###
# `bindsym --release Mod3+Pint exec --no-startup-id i3cast`  
# 
# ### requirements ### 
# * **i3get**    https://redd.it/6wyarw
# * **i3run**    https://redd.it/6x0p0q
# * **urxvt**    get it from your package manager
# * **ffmpeg**   get it from your package manager
# * **curl**     get it from your package manager
# * **mpv**      get it from your package manager
# * **dmenu**    get it from your package manager
# * **xclip**    get it from your package manager  
# 
# ### optional ### 
# **gif-is-jif**  https://github.com/markasoftware/gif-is-jif
# 
# ### discussion ###
# https://redd.it/6xlibu
# =====================================================
# 
# other players might work, change var PLAYER if you for some
# reason don't want to use mpv.
PLAYER=mpv

# Folder to store saved and uploaded videos localy.
FOLDER=$HOME/Videos/c/

# Customize the DMENU to your liking
DMENU_OPTIONS=
# DMENU_OPTIONS="-h 16"

# to add gfycat as an host, enter path to gif-is-jif
GIF_IS_JIF=
# GIF_IS_JIF="$HOME/bin/gif-is-jif.bash"


# DON'T CHANGE THIS VAR
HOSTS="ptpb.pw"

# Filename and location of recording before saving
TMP_FILE=/tmp/tmpcast.mkv

# Command used for recording, it works well for my screen,
# but you might want to change at least -s 1366x768 to match
# your resolution.
COMMAND="ffmpeg -thread_queue_size 128 -f x11grab -r 30 \
-s 1366x768 -i :0.0 -vcodec libx264 -preset ultrafast \
-threads 0 -y $TMP_FILE"

[[ -n $GIF_IS_JIF ]] && HOSTS+="\ngfycat"

play(){
  ${PLAYER} $TMP_FILE
  sel1="play\nupload\nsave"
  choice=$(echo -e "${sel1}" | dmenu ${DMENU_OPTIONS} -p "action:")
  if [[ -z $choice ]]; then
    rm $TMP_FILE 
    exit
  fi
  case $choice in
    play ) play ;;
    upload ) upload ;;
    save ) save ;;
  esac
}


upload(){
  save
  choice=$(echo -e "${HOSTS}" | dmenu ${DMENU_OPTIONS} -p "select host:")
  [[ -z $choice ]] && exit 
  case $choice in
    'ptpb.pw' ) 
      pst=$(curl --form "c=@${SAVED}" https://ptpb.pw/)
      pst=$(printf "${pst}" | awk -F':' '$1=="url"{$1="";print $0}')
    ;;

    gfycat    ) 
      pst=$(${GIF_IS_JIF} ${SAVED})
      printf "${pst}" | awk '$NF ~ "http"{print $NF}'
      pst=$(printf "${pst}" | awk '$NF ~ "http"{print $NF}')
    ;;
  esac
  
  echo ${pst} | xclip -selection 'clipboard'
  notify-send "Upload complete: $pst"
}

save(){
  choice=$(echo "" | dmenu ${DMENU_OPTIONS} -p "name:")
  if [[ -z $choice ]]; then
    rm $TMP_FILE
    exit
  fi
  SAVED=$FOLDER$choice.mkv
  mkdir -p $FOLDER
  mv $TMP_FILE $SAVED
}

cid=$(i3get -i castterm)
if [[ -z $cid ]]; then
  rm -f $TMP_FILE
  # start recording
  i3run -i castterm -e urxvt -name castterm -e "${COMMAND}"
  # send it to scratchpad by double launching i3run
  i3run -i castterm -e urxvt -name castterm -e "${COMMAND}"
else
  # stop recording, focus castterm
  i3run -i castterm -e urxvt -name castterm -e "${COMMAND}"
  # send key q to castterm to stop recording and kill the window
  xdotool key q
  play
fi