audio_support.h

本程序为ST公司开发的源代码

/**************************************************
 *
 * audio_support.h
 *
 * CVS ID:   $Id: audio_support.h,v 1.18 2007/02/13 11:02:09 sedmik Exp $
 * Author:   Ondrej Kutik [OK] - STM
 * Date:     $Date: 2007/02/13 11:02:09 $
 * Revision: $Revision: 1.18 $
 * 
 * Description:
 * 
 *   Support for non compressed audio tracks
 *
 ***************************************************
 * 
 * COPYRIGHT (C) ST Microelectronics  2005
 *            All Rights Reserved
 *
 ****************************************************
 *
 * STM CVS Log:
 *
 * $Log: audio_support.h,v $
 * Revision 1.18  2007/02/13 11:02:09  sedmik
 * func prototypes changed related to shuffle marks
 *
 * Revision 1.17  2006/11/20 13:23:27  sedmik
 * fix in func prototype FindIndexForItemNr
 *
 * Revision 1.16  2006/11/16 13:21:26  trubac
 * CountFilesForDevice/Volume changed parameter t_SearchMode
 *
 * Revision 1.15  2006/11/01 12:57:26  trubac
 * Finding song nr. functions changed to be faster and to allow playlists
 *
 * Revision 1.14  2006/10/17 09:44:27  trubac
 * get_track_endtime deleted
 *
 * Revision 1.13  2006/09/18 09:55:21  belardi
 * Corrected CVS keyword usage
 *
 * Revision 1.12  2006/09/18 09:22:36  belardi
 * Added Log CVS keyword into file header
 *
 * Revision 1.11  2006/09/15 20:17:25  belardi
 * Added Log CVS keyword into file header
 *
 *
 ***************************************************/

#ifndef DEFINE_AUDIOSUPPORT_H
#define DEFINE_AUDIOSUPPORT_H

#include <limits.h>
#include "player.h"

#define AUDIO_TRACKS_SET 100	/*!<\brief audio tracks range  */

//added 7/8 to be sure we still fit with less than 8
#define AUDIO_TRACKS_MARKS_BUFFER_SIZE  (AUDIO_TRACKS_SET + 7) / (8 * sizeof (uint8))

#define T_TRACK_MAX SCHAR_MAX
#define T_TRACK_MIN SCHAR_MIN

typedef int32   t_time;   /*!<\brief CD time type */
typedef int8    t_track;  /*!<\brief CD track type */

typedef enum
{
  TRACK_TYPE_AUDIO = 0x00,
  TRACK_TYPE_DATA  = 0x40
} t_track_type;

typedef enum
{
	SEARCH_PLAYABLE,	// only mp3,wma,aac
	SEARCH_PLAYLISTS,	// only m3u,pls etc.
	SEARCH_SPECIAL,		// only data files not included above
}t_SearchMode;

t_time get_track_time(t_track track);
//t_time get_track_endtime(t_track track);
t_bool skip_track_type(t_track_type track_type);
t_track find_next_track(t_track track, t_direction direction, t_bool repeat_disc);
t_bool IsSongAlreadyPlayed(t_XItem song_index, t_player_playlist * player_playlist);
void MarkSongAsPlayed(t_XItem song_index, t_player_playlist * player_playlist);
void ClearSongMarks(t_XItem song, t_player_params * player_params, t_player_playlist * player_playlist);
t_bool IsMarkedAudioTrack(uint16 index, uint8 * array);
void ClearAudioTracksMarks(uint8 * array, uint8 size);
uint32 CountFilesForVolume(uint32 vol,t_SearchMode search);
uint32 CountFilesForDevice(t_duid did, t_bool include_audio_tracks,t_SearchMode search);
uint32 CountDirsForDevice(t_duid device);
t_XItem FindIndexForItemNr(int16 song_nr, t_dir_num_style dir_numbering, t_duid did, t_SearchMode search);   //Functionality according to CIS
int16 FindSongNrForIndex(t_XItem song_index,t_dir_num_style dir_numbering, t_bool audio_first);
t_XItem FindIndexForDirNr(int16 DirNr, t_dir_num_style dir_numbering, t_duid did);
int16 FindDirNrForIndex(t_XItem dir_index, t_dir_num_style dir_numbering);
// void AS_InitFile(uint16 track, t_SongInfos *song_info); // [RB] commented out due to curcular dependency in .h files


#define TOC_IS_KNOWN            (toc_is_toc_known())
#define TOC_MIN_TRACK           ((t_track)toc_get_min_track())
#define TOC_MAX_TRACK           ((t_track)toc_get_max_track())
#define TOC_NUM_OF_AUDIO_TRACK  ((t_track)toc_get_num_of_audio_track())
#define TOC_LEADOUT_TIME        ((t_time)toc_get_leadout_time())
#define TOC_TRACK_TYPE(x)       ((t_track_type)(toc_is_track_rom(x) ? TRACK_TYPE_DATA : TRACK_TYPE_AUDIO))
#define TOC_TRACK_TIME(x)       ((t_time)toc_get_track_time((uint8)(x)))
#define IS_NEXT_TRACK_IN_NEW_SESSION(x)   (toc_is_track_startsession((x)+1))
#define IS_TRACK_IN_FIRST_SESSION(x)      (TOC_data.max_track_in_1_toc >= (x))



#endif