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