#define MYSIZE 1024
#define NUMLOOPS 10000

#define INPUT_CHANNELS 26
#define OUTPUT_CHANNELS 26

main()
{
  signed long int32src[MYSIZE];
  unsigned char int24dest[MYSIZE*3];

  unsigned char int24src[MYSIZE*3];
  signed long int32dest[MYSIZE];

  char *inptr;
  char *outptr;

  int i,u;
  int i_frames;

  for(u=0; u < NUMLOOPS ; u++) {

    for(i=0; i < INPUT_CHANNELS ; i++) {
      inptr=int24src;
      outptr=(char *)int32dest;
      for(i_frames=0 ; i_frames < MYSIZE ; i_frames++) {
      *outptr++ = 0;
      *outptr++ = *inptr++;
      *outptr++ = *inptr++;
      *outptr++ = *inptr++;
      }
    }

    for(i=0; i < OUTPUT_CHANNELS ; i++) {
      inptr=(char *)int32src;
      outptr=int24dest;
      for(i_frames=0 ; i_frames < MYSIZE ; i_frames++) {
        inptr++;
        *outptr++ = *inptr++;
        *outptr++ = *inptr++;
        *outptr++ = *inptr++;
      }
    }

  }

}