Files
Amberelle Mason ac30ff9032 Initial import
Initial import of SunOS 4.1.1 and TME 0.8
2023-05-01 12:16:40 -04:00

84 lines
2.9 KiB
C

/* $Id: runlength.h,v 1.1 2010/02/07 14:07:25 fredette Exp $ */
/* tme/runlength.h - header file for run length: */
/*
* Copyright (c) 2010 Matt Fredette
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Matt Fredette.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _TME_RUNLENGTH_H
#define _TME_RUNLENGTH_H
#include <tme/common.h>
_TME_RCSID("$Id: runlength.h,v 1.1 2010/02/07 14:07:25 fredette Exp $");
/* types: */
/* a runlength value: */
typedef tme_uint32_t tme_runlength_t;
/* the runlength state: */
struct tme_runlength {
/* the runlength history count: */
unsigned int tme_runlength_history_count;
/* the runlength history: */
tme_runlength_t *_tme_runlength_history;
/* the next position in the runlength history: */
unsigned int _tme_runlength_history_next;
/* the runlength history sum: */
double _tme_runlength_history_sum;
/* the runlength cycles target: */
double _tme_runlength_cycles_elapsed_target;
/* the start time of the run: */
union tme_value64 tme_runlength_cycles_start;
/* the current runlength value: */
tme_runlength_t tme_runlength_value;
};
/* prototypes: */
/* this initializes runlength state: */
void tme_runlength_init _TME_P((struct tme_runlength *));
/* this sets the runlength cycles target: */
void tme_runlength_target_cycles _TME_P((struct tme_runlength *, union tme_value64));
/* this updates the runlength: */
void tme_runlength_update _TME_P((struct tme_runlength *));
#endif /* !_TME_RUNLENGTH_H */