godot/thirdparty/libtheora/bitpack.c

/********************************************************************
 *                                                                  *
 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
 *                                                                  *
 * THE OggTheora SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
 * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
 *                                                                  *
 ********************************************************************

  function: packing variable sized words into an octet stream
  last mod: $Id$

 ********************************************************************/
#include <string.h>
#include <stdlib.h>
#include "bitpack.h"

/*We're 'MSb' endian; if we write a word but read individual bits,
   then we'll read the MSb first.*/

void oc_pack_readinit(oc_pack_buf *_b,unsigned char *_buf,long _bytes){ … }

static oc_pb_window oc_pack_refill(oc_pack_buf *_b,int _bits){ … }

int oc_pack_look1(oc_pack_buf *_b){ … }

void oc_pack_adv1(oc_pack_buf *_b){ … }

/*Here we assume that 0<=_bits&&_bits<=32.*/
long oc_pack_read_c(oc_pack_buf *_b,int _bits){ … }

int oc_pack_read1_c(oc_pack_buf *_b){ … }

long oc_pack_bytes_left(oc_pack_buf *_b){ … }