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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by wavey@wavey.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __PLAYLIST_H__
#define __PLAYLIST_H__
#include <stdbool.h>
#include "config.h"
#include "file.h"
#include "kernel.h"
#include "metadata.h"
#define PLAYLIST_ATTR_QUEUED 0x01
#define PLAYLIST_ATTR_INSERTED 0x02
#define PLAYLIST_ATTR_SKIPPED 0x04
#define PLAYLIST_MAX_CACHE 16
#define PLAYLIST_DISPLAY_COUNT 10
#define DEFAULT_DYNAMIC_PLAYLIST_NAME "/dynamic.m3u8"
enum playlist_command {
PLAYLIST_COMMAND_PLAYLIST,
PLAYLIST_COMMAND_ADD,
PLAYLIST_COMMAND_QUEUE,
PLAYLIST_COMMAND_DELETE,
PLAYLIST_COMMAND_SHUFFLE,
PLAYLIST_COMMAND_UNSHUFFLE,
PLAYLIST_COMMAND_RESET,
PLAYLIST_COMMAND_COMMENT
};
enum {
PLAYLIST_PREPEND = -1,
PLAYLIST_INSERT = -2,
PLAYLIST_INSERT_LAST = -3,
PLAYLIST_INSERT_FIRST = -4,
PLAYLIST_INSERT_SHUFFLED = -5,
PLAYLIST_REPLACE = -6,
PLAYLIST_INSERT_LAST_SHUFFLED = -7
};
enum {
PLAYLIST_DELETE_CURRENT = -1
};
struct playlist_control_cache {
enum playlist_command command;
int i1;
int i2;
const char* s1;
const char* s2;
void* data;
};
struct playlist_info
{
bool current; /* current playing playlist */
char filename[MAX_PATH]; /* path name of m3u playlist on disk */
char control_filename[MAX_PATH]; /* full path of control file */
bool utf8; /* playlist is in .m3u8 format */
int fd; /* descriptor of the open playlist file */
int control_fd; /* descriptor of the open control file */
bool control_created; /* has control file been created? */
int dirlen; /* Length of the path to the playlist file */
volatile unsigned long *indices; /* array of indices */
#ifdef HAVE_DIRCACHE
struct dircache_fileref *dcfrefs; /* Dircache entry shortcuts */
#endif
int max_playlist_size; /* Max number of files in playlist. Mirror of
global_settings.max_files_in_playlist */
bool in_ram; /* playlist stored in ram (dirplay) */
int buffer_handle; /* handle to the below buffer (-1 if non-buflib) */
volatile char *buffer;/* buffer for in-ram playlists */
int buffer_size; /* size of buffer */
int buffer_end_pos; /* last position where buffer was written */
int index; /* index of current playing track */
int first_index; /* index of first song in playlist */
int amount; /* number of tracks in the index */
int last_insert_pos; /* last position we inserted a track */
int seed; /* shuffle seed */
bool shuffle_modified; /* has playlist been shuffled with
inserted tracks? */
bool deleted; /* have any tracks been deleted? */
int num_inserted_tracks; /* number of tracks inserted */
bool started; /* has playlist been started? */
/* cache of playlist control commands waiting to be flushed to
to disk */
struct playlist_control_cache control_cache[PLAYLIST_MAX_CACHE];
int num_cached; /* number of cached entries */
bool pending_control_sync; /* control file needs to be synced */
struct mutex *control_mutex; /* mutex for control file access */
int last_shuffled_start; /* number of tracks when insert last
shuffled command start */
};
struct playlist_track_info
{
char filename[MAX_PATH]; /* path name of mp3 file */
int attr; /* playlist attributes for track */
int index; /* index of track in playlist */
int display_index; /* index of track for display */
};
/* Exported functions only for current playlist. */
void playlist_init(void) INIT_ATTR;
void playlist_shutdown(void);
int playlist_create(const char *dir, const char *file);
int playlist_resume(void);
int playlist_add(const char *filename);
int playlist_shuffle(int random_seed, int start_index);
unsigned int playlist_get_filename_crc32(struct playlist_info *playlist,
int index);
void playlist_resume_track(int start_index, unsigned int crc,
unsigned long elapsed, unsigned long offset);
void playlist_start(int start_index, unsigned long elapsed,
unsigned long offset);
bool playlist_check(int steps);
const char *playlist_peek(int steps, char* buf, size_t buf_size);
int playlist_next(int steps);
bool playlist_next_dir(int direction);
int playlist_get_resume_info(int *resume_index);
int playlist_update_resume_info(const struct mp3entry* id3);
int playlist_get_display_index(void);
int playlist_amount(void);
void playlist_set_last_shuffled_start(void);
struct playlist_info *playlist_get_current(void);
/* Exported functions for all playlists. Pass NULL for playlist_info
structure to work with current playlist. */
int playlist_create_ex(struct playlist_info* playlist,
const char* dir, const char* file,
void* index_buffer, int index_buffer_size,
void* temp_buffer, int temp_buffer_size);
int playlist_set_current(struct playlist_info* playlist);
void playlist_close(struct playlist_info* playlist);
void playlist_sync(struct playlist_info* playlist);
int playlist_insert_track(struct playlist_info* playlist, const char *filename,
int position, bool queue, bool sync);
int playlist_insert_directory(struct playlist_info* playlist,
const char *dirname, int position, bool queue,
bool recurse);
int playlist_insert_playlist(struct playlist_info* playlist, const char *filename,
int position, bool queue);
void playlist_skip_entry(struct playlist_info *playlist, int steps);
int playlist_delete(struct playlist_info* playlist, int index);
int playlist_move(struct playlist_info* playlist, int index, int new_index);
int playlist_randomise(struct playlist_info* playlist, unsigned int seed,
bool start_current);
int playlist_sort(struct playlist_info* playlist, bool start_current);
bool playlist_modified(const struct playlist_info* playlist);
int playlist_get_first_index(const struct playlist_info* playlist);
int playlist_get_seed(const struct playlist_info* playlist);
int playlist_amount_ex(const struct playlist_info* playlist);
char *playlist_name(const struct playlist_info* playlist, char *buf,
int buf_size);
char *playlist_get_name(const struct playlist_info* playlist, char *buf,
int buf_size);
size_t playlist_get_required_bufsz(struct playlist_info* playlist,
bool include_namebuf, int num_indices);
int playlist_get_track_info(struct playlist_info* playlist, int index,
struct playlist_track_info* info);
int playlist_save(struct playlist_info* playlist, char *filename,
void* temp_buffer, size_t temp_buffer_size);
int playlist_directory_tracksearch(const char* dirname, bool recurse,
int (*callback)(char*, void*),
void* context);
int playlist_remove_all_tracks(struct playlist_info *playlist);
#endif /* __PLAYLIST_H__ */
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