playlist.h

jpeg and mpeg 编解码技术源代码

/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is MPEG4IP.
 * 
 * The Initial Developer of the Original Code is Cisco Systems Inc.
 * Portions created by Cisco Systems Inc. are
 * Copyright (C) Cisco Systems Inc. 2000, 2001.  All Rights Reserved.
 * 
 * Contributor(s): 
 *              Bill May        [e-mail]
 */
#ifndef __PLAYLIST_H__
#define __PLAYLIST_H__

#include <stdlib.h>
#include <string.h>

class CPlaylistEntry
{
 public:
  CPlaylistEntry(const char *name) {
    m_file_name = strdup(name);
    m_next = NULL;
    m_prev = NULL;
  };
  ~CPlaylistEntry(void) {
    free((void *)m_file_name);
  }
  const char *get_value (void) { return (m_file_name); };
  CPlaylistEntry *get_next (void) { return (m_next); };
  CPlaylistEntry *get_prev (void) { return (m_prev); };
  void set_next (CPlaylistEntry *next) { m_next = next; };
  void set_prev (CPlaylistEntry *prev) { m_prev = prev; };
 private:
  const char *m_file_name;
  CPlaylistEntry *m_next;
  CPlaylistEntry *m_prev;
};


class CPlaylist {
 public:
  CPlaylist(const char *file_name, const char **errmsg);
  ~CPlaylist(void);
  const char *get_next(void);
  const char *get_prev(void);
  const char *get_first(void);
  const char *get_last(void);
 private:
  CPlaylistEntry *m_first, *m_on;
};

#endif