1f1893f520
Use the playlist control file for directory playback instead of storing filenames in RAM. The implementation of that feature is very iffy and probably responsible for random crashes that may occur when skipping through directories rapidly. Change-Id: I3863940cd4542410d8046a3ca47508b5d97309a1
182 lines
7.9 KiB
C
182 lines
7.9 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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#include "rbpaths.h"
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#include "chunk_alloc.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_CLEAR,
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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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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 utf8; /* playlist is in .m3u8 format */
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bool control_created; /* has control file been created? */
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bool modified; /* has playlist been modified by the user? */
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bool dirplay; /* are we playing a directory directly? */
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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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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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unsigned long *indices; /* array of indices */
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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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bool started; /* has playlist been started? */
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bool pending_control_sync; /* control file needs to be synced */
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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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int seed; /* shuffle seed */
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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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struct mutex mutex; /* mutex for control file access */
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#ifdef HAVE_DIRCACHE
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int dcfrefs_handle;
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#endif
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int dirlen; /* Length of the path to the playlist file */
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char filename[MAX_PATH]; /* path name of m3u playlist on disk */
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/* full path of control file (with extra room for extensions) */
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char control_filename[sizeof(PLAYLIST_CONTROL_FILE) + 8];
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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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void playlist_set_modified(struct playlist_info* playlist, bool modified);
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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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