mplayerp - Use mplayer+bash as a full-featured media player

mplayerp

#!/bin/bash
#
# mplayerp - Use mplayer+bash as a full-featured music player
#
# Starts mplayer in slave mode listening to commands from a fifo and reading
# media from a playlist file. There are some extras to make it pleasent to use.
#
# Syntax: mplayerp [OPTIONS] [ACTION | DIR]
#
# Options:
#
# --depth DEPTH
# All operations use this depth instead of the default (see depth var)
#
# Actions:
#
# All actions are done for files under ./ and child dirs, according to depth
# options, unless otherwise specifiend. They can be combined.
#
# find PATTERN
# Play all songs which contain PATTERN in the filename (an empty pattern plays
# all songs)
#
# findd PATTERN
# Same as find, but for directories
#
# random [DIR]
# Play a random song under DIR or ./
#
# playlist FILE
# Play songs from a playlist
#
# count [DIR]
# Display some info about all songs under DIR or ./ and exit (mp3 only)
#
# If no action is provided, DIR may be specified. All songs under it (or ./
# in case it's not specified) will be played.
#
# It's useful to configure keyboard shortcuts in one's window manager to write
# commands to the fifo and thus be able to control mplayerp from any workspace
# or even from a different user acc/computer. E.g., on dwm:
#
# static const char *nextsong[] = { "sh", "-c", "echo 'pt_step 1'>/home/afh/.mplayer/fifo", NULL };
# static const char *prevsong[] = { "sh", "-c", "echo 'pt_step -1'>/home/afh/.mplayer/fifo", NULL };
# static const char *togglesong[] = { "sh", "-c", "echo 'pause'>/home/afh/.mplayer/fifo", NULL };
# ... could also be done with SHCMD ...
# { MODKEY,                       XK_F8,    spawn,          {.v = nextsong } },
# { MODKEY,                       XK_F7,    spawn,          {.v = prevsong } },
# { MODKEY,                       XK_F6,    spawn,          {.v = togglesong } },
#

EXTENSIONS="(asf|asx|avi|flac|flv|m1v|m2p|m2v|m4a|m4v|mjpg|mka|mkv|mov|mp3|mp4|mpe|mpeg|mpg|ogg|ogm|ogv|qt|rm|ts|vob|wav|webm|wma|wmv)"
PLAYLIST="${HOME}/.mplayer/playlist"
FIFO="${HOME}/.mplayer/fifo"
depth=999

acted=0
dir=""

rm -f "$PLAYLIST"
touch "$PLAYLIST"

while [ $# -gt 0 ]
do
  key="${1:-0}"
  case $key in
    --depth)
      re='^[0-9]+$'
      [ -z $2 ] || ! [[ $2 =~ $re ]] && {
        echo "Must provide a depth (positive integer)"
        exit
      }
      depth=$2
      shift
      ;;
    find | findd | random | count)
      acted=1
      pattern=$2
      case $key in
        find)
          find "`pwd`" -maxdepth $depth -type f | grep -Pe "$EXTENSIONS" | grep -iPe "/[^/]*$pattern[^/]*\.\w+$" | sort >>"$PLAYLIST"
          ;;
        findd)
          find "`pwd`" -maxdepth $depth | grep -Pe "$EXTENSIONS" | grep -iPe "$pattern.*/" | sort >>"$PLAYLIST"
          ;;
        random)
          find "`pwd`/$pattern" -maxdepth $depth -type f | grep -Pe "$EXTENSIONS" | shuf -n 1000 >>"$PLAYLIST"
          ;;
        count)
          echo "Music files:"
          echo `find "`pwd`/$pattern" -maxdepth $depth -type f | grep -c -Pie "\.${EXTENSIONS}$"`
          echo "Hours of music (mp3 files only):"
          s=`find "`pwd`/$pattern" -name "*.mp3" -type f -print0 | xargs -0 -I '{}' mp3info -p "%S\n" {} | paste -sd+ - | bc`
          echo "$s / 3600.0" | bc -l
          exit
          ;;
      esac
      if [ ! -z $pattern ]; then shift; fi
      ;;
    playlist)
      acted=1
      [ -z $2 ] && {
        echo "Must provide a playlist"
        exit
      }
      cat "$2">>"$PLAYLIST"
      shift
      ;;
  esac
  dir="$1"
  shift
done

if [[ $acted -ne 1 ]]
then
  find "`pwd`/$dir" -maxdepth $depth -type f | grep -Pe "$EXTENSIONS" | grep -iPe "/[^/]*$*[^/]*\.\w+$" | sort >"$PLAYLIST"
fi

rm -f "$FIFO"
mkfifo "$FIFO"
echo "loadlist ${HOME}/.mplayer/playlist 1" >${HOME}/.mplayer/fifo &
mplayer -slave -idle -input file=${HOME}/.mplayer/fifo