/*************************************************************************** * __________ __ ___. * 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 #include "config.h" #include "file.h" #include "kernel.h" #include "metadata.h" #include "rbpaths.h" #include "chunk_alloc.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_CLEAR, 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 }; struct playlist_control_cache { enum playlist_command command; int i1; int i2; const char* s1; const char* s2; void* data; }; struct playlist_info { bool utf8; /* playlist is in .m3u8 format */ bool control_created; /* has control file been created? */ bool modified; /* has playlist been modified by the user? */ bool dirplay; /* are we playing a directory directly? */ int fd; /* descriptor of the open playlist file */ int control_fd; /* descriptor of the open control file */ int max_playlist_size; /* Max number of files in playlist. Mirror of global_settings.max_files_in_playlist */ unsigned long *indices; /* array of indices */ 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 */ bool started; /* has playlist been started? */ bool pending_control_sync; /* control file needs to be synced */ int last_shuffled_start; /* number of tracks when insert last shuffled command start */ int seed; /* shuffle seed */ /* 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 */ struct mutex mutex; /* mutex for control file access */ #ifdef HAVE_DIRCACHE int dcfrefs_handle; #endif int dirlen; /* Length of the path to the playlist file */ char filename[MAX_PATH]; /* path name of m3u playlist on disk */ /* full path of control file (with extra room for extensions) */ char control_filename[sizeof(PLAYLIST_CONTROL_FILE) + 8]; }; 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); void playlist_set_modified(struct playlist_info* playlist, bool modified); 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__ */