git.sesse.net Git - mlt/blob - demo/demo

   1 #!/bin/bash
   2
   3 function show_consumers( )
   4 {
   5         awk -F '\t' '{ printf( "%d. %s\n", ++ i, $1 ); }' < consumers.ini
   6 }
   7
   8 function get_consumer( )
   9 {
  10         option=$1
  11         [ "$option" != "" ] && [ $option -gt 0 ] && sed 's/\t\+/\t/g' < consumers.ini | cut -f 2 | head -n $option | tail -n -1
  12 }
  13
  14 function show_menu( )
  15 {
  16         sed 's/\t\+/\t/g' < demo.ini |
  17         awk -F '\t' '{ printf( "%2d. %-30.30s", ++ i, $2 ); if ( i % 2 == 0 ) printf( "\n" ); } END { if ( i % 2 == 1 ) printf( "\n" ); }'
  18 }
  19
  20 function check_dependencies( )
  21 {
  22         option=$1
  23         if [ $option -gt 0 ]
  24         then
  25                 deps=`sed 's/\t\+/\t/g' < demo.ini | cut -f 3 | head -n $option | tail -n -1`
  26                 if [ "$deps" != "" ]
  27                 then
  28                         echo "$deps" |
  29                         tr ',' '\n' |
  30                         while read dep
  31                         do
  32                                 ls $dep > /dev/null 2>&1
  33                                 val=$?
  34                                 [ $val != 0 ] && echo Failed to find $dep >&2 && echo $val
  35                         done
  36                 fi
  37                 echo 0
  38         fi
  39 }
  40
  41 function get_demo( )
  42 {
  43         option=$1
  44         if [ $option -gt 0 ]
  45         then
  46                 cut -f 1 demo.ini | head -n $option | tail -n -1
  47         fi
  48 }
  49
  50 while [ 1 ]
  51 do
  52
  53         echo Select Consumer
  54         echo
  55
  56         show_consumers
  57
  58         echo
  59         echo 0. Exit
  60         echo
  61         echo -n "Option: "
  62         read option
  63         echo
  64
  65         [ "$option" == "0" ] && break
  66
  67         export MLT_CONSUMER=`get_consumer $option`
  68
  69         while [ "$option" != "0" -a "$MLT_CONSUMER" != "" ]
  70         do
  71                 echo Choose Demo
  72                 echo
  73
  74                 show_menu
  75
  76                 echo
  77                 echo -n "Option: "
  78                 read option
  79                 echo
  80
  81                 [ "$option" == "" ] && break
  82
  83                 demo=`get_demo $option`
  84                 usable=`check_dependencies $option`
  85
  86                 if [ "$usable" = "0" -a "$demo" != "" ]
  87                 then
  88                         if [ "$MLT_CONSUMER" == "westley:" ]
  89                         then    export WESTLEY_CONSUMER="westley:$demo.westley"
  90                                         bash $demo -consumer $WESTLEY_CONSUMER
  91                                         inigo +$demo.txt out=100 $demo.westley $demo.westley -filter watermark:watermark1.png composite.fill=true
  92                         elif [ "$MLT_CONSUMER" == "westley" ]
  93                         then    bash $demo -consumer $MLT_CONSUMER | less
  94                         else    bash $demo -consumer $MLT_CONSUMER
  95                         fi
  96                 elif [ "$usable" != "" ]
  97                 then
  98                         echo
  99                         echo Unable to locate suitable files for the demo - please provide them.
 100                         read pause
 101                 fi
 102
 103                 stty sane
 104         done
 105
 106 done