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

   1 #!/bin/bash
   2
   3 export MLT_PROFILE=dv_pal
   4
   5 function show_consumers( )
   6 {
   7         awk -F '\t' '{ printf( "%d. %s\n", ++ i, $1 ); }' < consumers.ini
   8 }
   9
  10 function get_consumer( )
  11 {
  12         option=$1
  13         [ "$option" != "" ] && [ $option -gt 0 ] && sed 's/\t\+/\t/g' < consumers.ini | cut -f 2 | head -n $option | tail -n -1
  14 }
  15
  16 function show_menu( )
  17 {
  18         sed 's/\t\+/\t/g' < demo.ini |
  19         awk -F '\t' '{ printf( "%2d. %-30.30s", ++ i, $2 ); if ( i % 2 == 0 ) printf( "\n" ); } END { if ( i % 2 == 1 ) printf( "\n" ); }'
  20 }
  21
  22 function check_dependencies( )
  23 {
  24         option=$1
  25         if [ $option -gt 0 ]
  26         then
  27                 deps=`sed 's/\t\+/\t/g' < demo.ini | cut -f 3 | head -n $option | tail -n -1`
  28                 if [ "$deps" != "" ]
  29                 then
  30                         echo "$deps" |
  31                         tr ',' '\n' |
  32                         while read dep
  33                         do
  34                                 ls $dep > /dev/null 2>&1
  35                                 val=$?
  36                                 [ $val != 0 ] && echo Failed to find $dep >&2 && echo $val
  37                         done
  38                 fi
  39                 echo 0
  40         fi
  41 }
  42
  43 function get_demo( )
  44 {
  45         option=$1
  46         if [ $option -gt 0 ]
  47         then
  48                 cut -f 1 demo.ini | head -n $option | tail -n -1
  49         fi
  50 }
  51
  52 while [ 1 ]
  53 do
  54
  55         echo Select Consumer
  56         echo
  57
  58         show_consumers
  59
  60         echo
  61         echo 0. Exit
  62         echo
  63         echo -n "Option: "
  64         read option
  65         echo
  66
  67         [ "$option" == "0" ] && break
  68
  69         export MLT_CONSUMER=`get_consumer $option`
  70
  71         while [ "$option" != "0" -a "$MLT_CONSUMER" != "" ]
  72         do
  73                 echo Choose Demo
  74                 echo
  75
  76                 show_menu
  77
  78                 echo
  79                 echo -n "Option: "
  80                 read option
  81                 echo
  82
  83                 [ "$option" == "" ] && break
  84
  85                 demo=`get_demo $option`
  86                 usable=`check_dependencies $option`
  87
  88                 if [ "$usable" = "0" -a "$demo" != "" ]
  89                 then
  90                         if [ "$MLT_CONSUMER" == "xml:" ]
  91                         then    export XML_CONSUMER="xml:$demo.mlt"
  92                                         bash $demo -consumer $XML_CONSUMER
  93                                         melt +$demo.txt out=100 $demo.mlt $demo.mlt -filter watermark:watermark1.png composite.fill=1 composite.geometry=85%,5%:10%x10%
  94                         elif [ "$MLT_CONSUMER" == "xml" ]
  95                         then    bash $demo -consumer $MLT_CONSUMER | less
  96                         else    bash $demo -consumer $MLT_CONSUMER
  97                         fi
  98                 elif [ "$usable" != "" ]
  99                 then
 100                         echo
 101                         echo Unable to locate suitable files for the demo - please provide them.
 102                         read pause
 103                 fi
 104
 105                 stty sane
 106         done
 107
 108 done