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

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