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mpg123/system.c  view on Meta::CPAN

                        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

    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;