apps/codecs/libpcm/adpcm_seek.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
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   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Yoshihisa Uchida
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef CODEC_LIBPCM_ADPCM_SEEK_H
  22 #define CODEC_LIBPCM_ADPCM_SEEK_H
  23
  24 #include <stdbool.h>
  25 #include <inttypes.h>
  26 #include <string.h>
  27
  28 struct adpcm_data {
  29     int16_t  pcmdata[2];
  30     uint16_t step[2];
  31     bool     is_valid;
  32 };
  33
  34 void init_seek_table(uint32_t max_count);
  35 void add_adpcm_data(struct adpcm_data *data);
  36 uint32_t seek(uint32_t seek_time, struct adpcm_data *seek_data,
  37               uint8_t *(*read_buffer)(size_t *realsize),
  38               int (*decode)(const uint8_t *inbuf, size_t inbufsize));
  39 #endif