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mpg123/system.c  view on Meta::CPAN

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                        if(ret < 0)
                           return -1;
                        cnt -= ret;
                }
                ret = len;
        }
 
        return ret;
}
 
static unsigned long system_raw_timer_value(unsigned char *buf)
{
        unsigned long val;
 
        if(!(buf[0] & 0x1) || !(buf[2] & 0x1) || !(buf[4] & 0x1)) {
                if(verbose)
                        fprintf(stderr,"Warning: missing marker in time stamp!\n");
        }
 
        val  = (buf[0] & 0xe) << (29-1);
        val |= buf[1] << 21;

mpg123/system.c  view on Meta::CPAN

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    if( (buf[pos] & 0xc0) == 0x40 ) {
       pi->scale = (buf[pos] >> 5) & 0x1;
       pi->size  = (buf[pos] & 0x1f) << 8;
       pi->size |= buf[pos+1];
       pos += 2;
    }
 
    switch( buf[pos] & 0xf0) {
      case 0x00:
        if(buf[pos] != 0x0f) {
          fprintf(stderr,"Ouch ... illegal timer code!\n");
          return -1;
        }
        pos++;
        break;
      case 0x20:
        pi->pts = system_raw_timer_value(buf+pos);
        pos += 5;
        break;
      case 0x30:
        pi->pts = system_raw_timer_value(buf+pos);
        pos += 5;
        if( (buf[pos] & 0xf) != 0x10) {
          if(verbose)
                fprintf(stderr,"DTS should start with 0x1x!\n");
        }
        pi->dts = system_raw_timer_value(buf+pos);
        pos += 5;
        break;
      default:
        if(verbose)
                fprintf(stderr,"Ouch ... illegal timer code!\n");
        return -1;
  
    }
 
 
#if 1 
        write(1,buf+pos,len-pos);
#endif
 
        return 0;