BlinkenConv.c (457e484) - BlinkenLib · BlinkenArea

BlinkenConv.c

/* BlinkenLib
 * version 0.3 date 2005-02-16
 * Copyright 2004-2005 Stefan Schuermans <1stein@schuermans.info>
 * Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html
 * a blinkenarea.org project
 * powered by eventphone.de
 */

#include <stdio.h>
#include <stdlib.h>

#include "BlinkenLib.h"

int main( int argCnt, char * * args )
{
  stBlinkenMovie * pMovie;
  int i;
  char * str;
  unsigned int height, width, channels, colors;

//print info
  printf( "BlinkenLib - BlinkenConv\n"
          "version 0.3 date 2005-02-16\n"
          "Copyright 2004-2005 Stefan Schuermans <1stein@schuermans.info>\n"
          "Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html\n"
          "a blinkenarea.org project\n"
          "powered by eventphone.de\n\n" );

//print syntax
  if( argCnt <= 1 )
  {
    printf( "syntax: %s <parameter> [...]\n\n"
            "parameters:\n"
            "  -i <file>\n"
            "     read movie from file (*.blm, *.bmm, *.bml, *.bbm)\n"
            "  -p\n"
            "     print movie\n"
            "  -r <width>x<height>-<channels>/<colors>\n"
            "     resize movie\n"
            "  -s <width>x<height>\n"
            "     scale movie\n"
            "  -o <file>\n"
            "     write movie to file (*.blm, *.bmm, *.bml, *.bbm)\n\n"
            "old syntax: %s <input-file> [<output-file>]\n\n",
            args[0], args[0] );
    return 0;
  }

//no movie loaded
  pMovie = NULL;

//process parameters
  for( i = 1; i < argCnt; i++ )
  {

//read movie
    if( strcmp( args[i], "-i" ) == 0 )
    {
      if( i + 1 < argCnt )
      {
        i++;
        if( pMovie != NULL )
          BlinkenMovieFree( pMovie );
        pMovie = BlinkenMovieLoad( args[i] );
        if( pMovie == NULL )
          printf( "could not read movie \"%s\"\n", args[i] );
        else
          printf( "movie \"%s\" read\n", args[i] );
      }
      else
        printf( "missing input filename for \"-i\"\n" );
    }

//print movie
    else if( strcmp( args[i], "-p" ) == 0 )
    {
      if( pMovie == NULL )
        printf( "no movie loaded to print\n" );
      else
      {
        str = BlinkenMovieToString( pMovie );
        if( str == NULL )
          printf( "could not print movie\n" );
        else
        {
          printf( "%s", str );
          free( str );
        }
      }
    }

//resize movie
    else if( strcmp( args[i], "-r" ) == 0 )
    {
      if( i + 1 < argCnt )
      {
        i++;
        if( sscanf( args[i], "%ux%u-%u/%u", &width, &height, &channels, &colors ) != 4 )
          printf( "invalid movie format \"%s\"\n", args[i] );
        else if( pMovie == NULL )
          printf( "no movie loaded to resize\n" );
        else
        {
          BlinkenMovieResize( pMovie, height, width, channels, colors - 1 );
          printf( "movie resized to %ux%u-%u/%u\n", width, height, channels, colors );
        }
      }
      else
        printf( "missing movie format for \"-r\"\n" );
    }

//scale movie
    else if( strcmp( args[i], "-s" ) == 0 )
    {
      if( i + 1 < argCnt )
      {
        i++;
        if( sscanf( args[i], "%ux%u", &width, &height ) != 2 )
          printf( "invalid movie dimensions \"%s\"\n", args[i] );
        else if( pMovie == NULL )
          printf( "no movie loaded to scale\n" );
        else
        {
          BlinkenMovieScale( pMovie, height, width );
          printf( "movie scaled to %ux%u\n", width, height );
        }
      }
      else
        printf( "missing movie dimensions for \"-s\"\n" );
    }

//write movie
    else if( strcmp( args[i], "-o" ) == 0 )
    {
      if( i + 1 < argCnt )
      {
        i++;
        if( pMovie == NULL )
          printf( "no movie loaded to write to \"%s\"\n", args[i] );
        else
          if( BlinkenMovieSave( pMovie, args[i] ) < 0 )
            printf( "could not write movie \"%s\"\n", args[i] );
          else
            printf( "movie \"%s\" written\n", args[i] );
      }
      else
        printf( "missing output filename for \"-o\"\n" );
    }

//old style input filename
    else if( i == 1 && args[i][0] != '-' )
    {
      printf( "old style input filename \"%s\", better use \"-i %s\"\n", args[i], args[i] );
      if( pMovie != NULL )
        BlinkenMovieFree( pMovie );
      pMovie = BlinkenMovieLoad( args[i] );
      if( pMovie == NULL )
        printf( "could not read movie \"%s\"\n", args[i] );
      else
        printf( "movie \"%s\" read\n", args[i] );
    }

//old style output filename
    else if( i == 2 && args[i][0] != '-' )
    {
      printf( "old style output filename \"%s\", better use \"-o %s\"\n", args[i], args[i] );
      if( pMovie == NULL )
        printf( "no movie loaded to write to \"%s\"\n", args[i] );
      else
        if( BlinkenMovieSave( pMovie, args[i] ) < 0 )
          printf( "could not write movie \"%s\"\n", args[i] );
        else
          printf( "movie \"%s\" written\n", args[i] );
    }

//unknown parameter
    else
      printf( "unknown parameter \"%s\", call without parameters to get help\n", args[i] );

} //for( i ...

//old style print
  if( argCnt == 2 && pMovie != NULL )
  {
    str = BlinkenMovieToString( pMovie );
    if( str == NULL )
      printf( "could not print movie\n" );
    else
    {
      printf( "%s", str );
      free( str );
    }
  }

//free movie
  if( pMovie != NULL )
    BlinkenMovieFree( pMovie );

return 0;
}

BlinkenLib

BlinkenLib v.0.3 (2005-02-16)