p

   1 #!/usr/bin/env bash
   2
   3 #=======================================================================
   4 # p
   5 # File ID: 3623557a-fa66-11dd-83e3-000475e441b9
   6 #
   7 # Play a media file in mpv
   8 #
   9 # Author: Øyvind A. Holm <sunny@sunbase.org>
  10 # License: GNU General Public License version 2 or later.
  11 #=======================================================================
  12
  13 progname=p
  14 VERSION=0.4.2
  15
  16 ARGS="$(getopt -o "\
  17 a:\
  18 h\
  19 q\
  20 s\
  21 t:\
  22 v\
  23 " -l "\
  24 amplify:,\
  25 help,\
  26 quiet,\
  27 slow,\
  28 tempo:,\
  29 verbose,\
  30 version,\
  31 " -n "$progname" -- "$@")"
  32 test "$?" = "0" || exit 1
  33 eval set -- "$ARGS"
  34
  35 opt_amplify=''
  36 opt_help=0
  37 opt_quiet=0
  38 opt_slow=0
  39 opt_tempo=''
  40 opt_verbose=0
  41 while :; do
  42     case "$1" in
  43         -a|--amplify) opt_amplify=$2; shift 2 ;;
  44         -h|--help) opt_help=1; shift ;;
  45         -q|--quiet) opt_quiet=$(($opt_quiet + 1)); shift ;;
  46         -s|--slow) opt_slow=1; shift ;;
  47         -t|--tempo) opt_tempo=$2; shift 2 ;;
  48         -v|--verbose) opt_verbose=$(($opt_verbose + 1)); shift ;;
  49         --version) echo $progname $VERSION; exit 0 ;;
  50         --) shift; break ;;
  51         *) echo $progname: Internal error >&2; exit 1 ;;
  52     esac
  53 done
  54 opt_verbose=$(($opt_verbose - $opt_quiet))
  55
  56 if test "$opt_help" = "1"; then
  57     test $opt_verbose -gt 0 && { echo; echo $progname $VERSION; }
  58     cat <<END
  59
  60 Play a media file in mpv.
  61
  62 Usage: $progname [options] file [files [...]]
  63
  64 Options:
  65
  66   -a X, --amplify X
  67     Amplify sound with X dB. 10 is a nice value to start with.
  68   -h, --help
  69     Show this help.
  70   -q, --quiet
  71     Be more quiet. Can be repeated to increase silence.
  72   -s, --slow
  73     Use less resources when playing movie files.
  74   -t TEMPO, --tempo TEMPO
  75     Play audio with tempo TEMPO without changing the pitch.
  76     FIXME: Make it work with video too.
  77   -v, --verbose
  78     Increase level of verbosity. Can be repeated.
  79   --version
  80     Print version information.
  81
  82 END
  83     exit 0
  84 fi
  85
  86 sess_str="sess -d p -t c_p --"
  87 test "$HISTFILE" = "/dev/null" && unset sess_str
  88 ao_str=
  89 amplify_str=
  90 pgrep jackd && ao_str=" -ao jack"
  91 if test -n "$opt_amplify"; then
  92     echo "$opt_amplify" | grep -q -E '^[0-9]+$' || {
  93         # Well, mplayer also understands floats, but it's easier to
  94         # just check for [0-9].
  95         echo $progname: -a needs an integer argument >&2
  96         exit 1
  97     }
  98     amplify_str=" --af=volume=$opt_amplify"
  99 fi
 100 test "$opt_slow" = "1" && slow=" -lavdopts fast:skiploopfilter=all"
 101 if test -n "$opt_tempo"; then
 102     tempo_str=" --af=scaletempo=scale=$opt_tempo"
 103 else
 104     tempo_str=
 105 fi
 106 test -e /dg-vbox.mrk && vo_str=" -vo x11 -zoom"
 107 $sess_str mpv -fs --no-audio-display \
 108   $tempo_str$slow$vo_str$ao_str$amplify_str "$@"