2 * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
11 /** Audio file selector data stored in the audio file table. */
13 /** Seconds since the epoch. */
15 /** Bitfield of set attributes. */
17 /** Counts how many times the file was selected. */
19 /** Image blob associated with this file (foreign key). */
21 /** Lyrics blob associated with this file (foreign key). */
23 /** Mp3, ogg or aac. */
24 uint8_t audio_format_id;
27 enum afs_table_flags {TBLFLAG_SKIP_CREATE};
30 const struct osl_table_description *desc;
31 enum afs_table_flags flags;
34 enum play_mode {PLAY_MODE_MOOD, PLAY_MODE_PLAYLIST};
36 struct audio_file_data {
37 enum play_mode current_play_mode;
40 struct audio_format_info afhi;
42 struct osl_object map;
46 typedef int callback_function(const struct osl_object *, struct osl_object *);
47 __noreturn int afs_init(uint32_t cookie, int socket_fd);
48 int send_callback_request(callback_function *f, struct osl_object *query,
49 struct osl_object *result);
50 int send_standard_callback_request(int argc, char * const * const argv,
51 callback_function *f, struct osl_object *result);
52 int send_option_arg_callback_request(struct osl_object *options,
53 int argc, char * const * const argv, callback_function *f,
54 struct osl_object *result);
55 int stdin_command(int fd, struct osl_object *arg_obj, callback_function *f,
56 unsigned max_len, struct osl_object *result);
57 int string_compare(const struct osl_object *obj1, const struct osl_object *obj2);
58 int para_atol(const char *str, long *result);
59 int open_next_audio_file(struct audio_file_data *afd);
60 int close_audio_file(struct audio_file_data *afd);
63 int score_init(struct table_info *ti, const char *db);
64 void score_shutdown(enum osl_close_flags flags);
65 int admissible_file_loop(void *data, osl_rbtree_loop_func *func);
66 int admissible_file_loop_reverse(void *data, osl_rbtree_loop_func *func);
67 int score_get_best(struct osl_row **aft_row, long *score);
68 int get_score_and_aft_row(struct osl_row *score_row, long *score, struct osl_row **aft_row);
69 int score_add(const struct osl_row *row, long score);
70 int score_update(const struct osl_row *aft_row, long new_score);
71 int get_num_admissible_files(unsigned *num);
72 int score_delete(const struct osl_row *aft_row);
73 int row_belongs_to_score_table(const struct osl_row *aft_row);
76 int attribute_init(struct table_info *ti, const char *db);
77 void attribute_shutdown(enum osl_close_flags flags);
78 void get_attribute_bitmap(const uint64_t *atts, char *buf); /* needed by com_ls() */
79 int get_attribute_bitnum_by_name(const char *att_name, unsigned char *bitnum);
80 int get_attribute_text(uint64_t *atts, const char *delim, char **text);
83 int aft_init(struct table_info *ti, const char *db);
84 void aft_shutdown(enum osl_close_flags flags);
85 int aft_get_row_of_path(char *path, struct osl_row **row);
86 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd);
87 int load_afsi(struct afs_info *afsi, struct osl_object *obj);
88 void save_afsi(struct afs_info *afsi, struct osl_object *obj);
89 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi);
90 int get_audio_file_path_of_row(const struct osl_row *row, char **path);
91 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj);
92 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func);
93 int aft_check_callback(const struct osl_object *query, struct osl_object *result);
96 int change_current_mood(char *mood_name);
97 void close_current_mood(void);
98 int mood_update_audio_file(const struct osl_row *aft_row, struct afs_info *old_afsi);
99 int reload_current_mood(void);
100 int mood_delete_audio_file(const struct osl_row *aft_row);
101 int mood_check_callback(__a_unused const struct osl_object *query,
102 struct osl_object *result);
106 int playlist_open(char *name);
107 void playlist_close(void);
108 int playlist_update_audio_file(struct osl_row *aft_row);
109 int playlist_check_callback(__a_unused const struct osl_object *query,
110 struct osl_object *result);
112 /** evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y */
113 #define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y)))
116 #define DECLARE_BLOB_SYMBOLS(table_name, cmd_prefix) \
117 int table_name ## _init(struct table_info *ti, const char *db); \
118 void table_name ## _shutdown(enum osl_close_flags flags); \
119 int cmd_prefix ## _get_name_by_id(uint32_t id, char **name); \
120 int cmd_prefix ## _get_name_and_def_by_row(const struct osl_row *row, \
121 char **name, struct osl_object *def); \
122 extern struct osl_table *table_name ## _table;
124 DECLARE_BLOB_SYMBOLS(lyrics, lyr);
125 DECLARE_BLOB_SYMBOLS(images, img);
126 DECLARE_BLOB_SYMBOLS(moods, mood);
127 DECLARE_BLOB_SYMBOLS(playlists, pl);
129 /** The columns of an abstract blob table. */
130 enum blob_table_columns {
131 /** The identifier, a positive integer that never repeats. */
133 /** The unique name of the blob. */
135 /** The actual blob contents. */
137 /** A blob table has that many columns. */
141 #define DEFINE_BLOB_TABLE_DESC(table_name) \
142 struct osl_table_description table_name ## _table_desc = { \
143 .name = #table_name, \
144 .num_columns = NUM_BLOB_COLUMNS, \
145 .flags = OSL_LARGE_TABLE, \
146 .column_descriptions = blob_cols \
149 #define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table;
151 #define INIT_BLOB_TABLE(table_name) \
152 DEFINE_BLOB_TABLE_DESC(table_name); \
153 DEFINE_BLOB_TABLE_PTR(table_name);