common/bits.h

   1 /*****************************************************************************
   2  * bits.h
   3  *****************************************************************************
   4  * Copyright (C) 2010-2017 L-SMASH project
   5  *
   6  * Authors: Takashi Hirata <silverfilain@gmail.com>
   7  *
   8  * Permission to use, copy, modify, and/or distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  *****************************************************************************/
  20
  21 /* This file is available under an ISC license. */
  22
  23 typedef struct
  24 {
  25     lsmash_bs_t *bs;
  26     uint8_t      store;
  27     uint8_t      cache;
  28 } lsmash_bits_t;
  29
  30 void lsmash_bits_init( lsmash_bits_t* bits, lsmash_bs_t *bs );
  31 lsmash_bits_t *lsmash_bits_create( lsmash_bs_t *bs );
  32 void lsmash_bits_cleanup( lsmash_bits_t *bits );
  33 void lsmash_bits_empty( lsmash_bits_t *bits );
  34 void lsmash_bits_put_align( lsmash_bits_t *bits );
  35 void lsmash_bits_get_align( lsmash_bits_t *bits );
  36 void lsmash_bits_put( lsmash_bits_t *bits, uint32_t width, uint64_t value );
  37 uint64_t lsmash_bits_get( lsmash_bits_t *bits, uint32_t width );
  38 void *lsmash_bits_export_data( lsmash_bits_t *bits, uint32_t *length );
  39 int lsmash_bits_import_data( lsmash_bits_t *bits, void *data, uint32_t length );
  40
  41 lsmash_bits_t *lsmash_bits_adhoc_create();
  42 void lsmash_bits_adhoc_cleanup( lsmash_bits_t *bits );