apps/buffering.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Nicolas Pennequin
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #ifndef _BUFFERING_H_
  21 #define _BUFFERING_H_
  22
  23 #include <sys/types.h>
  24 #include <stdbool.h>
  25
  26 enum data_type {
  27     TYPE_CODEC,
  28     TYPE_AUDIO,
  29     TYPE_STREAM,
  30     TYPE_ID3,
  31     TYPE_CUESHEET,
  32     TYPE_IMAGE,
  33     TYPE_BUFFER,
  34     TYPE_UNKNOWN,
  35 };
  36
  37 bool buffering_init(char *filebuf, size_t filebuflen);
  38 size_t bufused(void);
  39 int bufopen(char *file, size_t offset, enum data_type type);
  40 int bufalloc(void *src, size_t size, enum data_type type);
  41 int bufclose(int handle_id);
  42 int bufseek(int handle_id, size_t newpos);
  43 int bufadvance(int handle_id, off_t offset);
  44 ssize_t bufread(int handle_id, size_t size, char *dest);
  45 ssize_t bufgetdata(int handle_id, size_t size, unsigned char **data);
  46
  47 #endif