afs.h

   1 #include <regex.h>
   2 #include "osl.h"
   3 #include "hash.h"
   4
   5 struct afs_info {
   6         uint64_t last_played;
   7         uint64_t attributes;
   8         uint32_t num_played;
   9         uint32_t image_id;
  10         uint32_t lyrics_id;
  11         uint8_t audio_format_id;
  12 };
  13
  14 enum afs_table_flags {TBLFLAG_SKIP_CREATE};
  15
  16 struct table_info {
  17         const struct osl_table_description *desc;
  18         struct osl_table *table;
  19         enum afs_table_flags flags;
  20 };
  21
  22 enum ls_sorting_method {
  23         LS_SORT_BY_PATH, /* -sp (default) */
  24         LS_SORT_BY_SCORE, /* -ss */
  25         LS_SORT_BY_LAST_PLAYED, /* -sl */
  26         LS_SORT_BY_NUM_PLAYED, /* -sn */
  27         LS_SORT_BY_FREQUENCY, /* -sf */
  28         LS_SORT_BY_CHANNELS, /* -sc */
  29         LS_SORT_BY_IMAGE_ID, /* -si */
  30         LS_SORT_BY_LYRICS_ID, /* -sy */
  31         LS_SORT_BY_BITRATE, /* -sb */
  32         LS_SORT_BY_DURATION, /* -sd */
  33         LS_SORT_BY_AUDIO_FORMAT, /* -sa */
  34         LS_SORT_BY_HASH, /* -sh */
  35 };
  36
  37 enum ls_listing_mode {
  38         LS_MODE_SHORT,
  39         LS_MODE_LONG,
  40         LS_MODE_VERBOSE,
  41         LS_MODE_MBOX
  42 };
  43
  44 enum ls_flags {
  45         LS_FLAG_FULL_PATH = 1,
  46         LS_FLAG_ADMISSIBLE_ONLY = 2,
  47         LS_FLAG_REVERSE = 4,
  48 };
  49
  50 struct ls_widths {
  51         unsigned short score_width;
  52         unsigned short image_id_width;
  53         unsigned short lyrics_id_width;
  54         unsigned short bitrate_width;
  55         unsigned short frequency_width;
  56         unsigned short duration_width;
  57         unsigned short num_played_width;
  58 };
  59
  60 struct ls_data {
  61         struct audio_format_info afhi;
  62         struct afs_info afsi;
  63         char *path;
  64         long score;
  65         HASH_TYPE *hash;
  66 };
  67
  68 struct ls_options {
  69         unsigned flags;
  70         enum ls_sorting_method sorting;
  71         enum ls_listing_mode mode;
  72         char **patterns;
  73         int num_patterns;
  74         struct ls_widths widths;
  75         uint32_t array_size;
  76         uint32_t num_matching_paths;
  77         struct ls_data *data;
  78         struct ls_data **data_ptr;
  79 };
  80
  81 enum play_mode {PLAY_MODE_MOOD, PLAY_MODE_PLAYLIST};
  82
  83 struct audio_file_data {
  84         enum play_mode current_play_mode;
  85         long score;
  86         struct afs_info afsi;
  87         struct audio_format_info afhi;
  88         char *path;
  89         struct osl_object map;
  90 };
  91
  92 /* afs */
  93 typedef int callback_function(const struct osl_object *, struct osl_object *);
  94 __noreturn int afs_init(uint32_t cookie, int socket_fd);
  95 int send_callback_request(callback_function *f, struct osl_object *query,
  96         struct osl_object *result);
  97 int send_standard_callback_request(int argc, char * const * const argv,
  98                 callback_function *f, struct osl_object *result);
  99 int send_option_arg_callback_request(struct osl_object *options,
 100         int argc, char * const * const argv, callback_function *f,
 101         struct osl_object *result);
 102 int stdin_command(struct osl_object *arg_obj, callback_function *f,
 103                 unsigned max_len, struct osl_object *result);
 104 int string_compare(const struct osl_object *obj1, const struct osl_object *obj2);
 105 int para_atol(const char *str, long *result);
 106 int open_next_audio_file(struct audio_file_data *afd);
 107 int close_audio_file(struct audio_file_data *afd);
 108
 109 /* score */
 110 int score_init(struct table_info *ti, const char *db);
 111 void score_shutdown(enum osl_close_flags flags);
 112 int admissible_file_loop(void *data, osl_rbtree_loop_func *func);
 113 int admissible_file_loop_reverse(void *data, osl_rbtree_loop_func *func);
 114 int score_get_best(struct osl_row **aft_row, long *score);
 115 int get_score_and_aft_row(struct osl_row *score_row, long *score, struct osl_row **aft_row);
 116 int score_add(const struct osl_row *row, long score);
 117 int score_update(const struct osl_row *aft_row, long new_score);
 118 int get_num_admissible_files(unsigned *num);
 119 int score_delete(const struct osl_row *aft_row);
 120 int row_belongs_to_score_table(const struct osl_row *aft_row);
 121
 122 /* attribute */
 123 int attribute_init(struct table_info *ti, const char *db);
 124 void attribute_shutdown(enum osl_close_flags flags);
 125 void get_attribute_bitmap(const uint64_t *atts, char *buf); /* needed by com_ls() */
 126 int get_attribute_bitnum_by_name(const char *att_name, unsigned char *bitnum);
 127 int get_attribute_text(uint64_t *atts, const char *delim, char **text);
 128
 129 /* aft */
 130 int aft_init(struct table_info *ti, const char *db);
 131 void aft_shutdown(enum osl_close_flags flags);
 132 int aft_get_row_of_path(char *path, struct osl_row **row);
 133 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd);
 134 int load_afsi(struct afs_info *afsi, struct osl_object *obj);
 135 void save_afsi(struct afs_info *afsi, struct osl_object *obj);
 136 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi);
 137 int get_audio_file_path_of_row(const struct osl_row *row, char **path);
 138 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj);
 139 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func);
 140
 141 /* mood */
 142 int mood_open(char *mood_name);
 143 void mood_close(void);
 144 int mood_update_audio_file(const struct osl_row *aft_row, struct afs_info *old_afsi);
 145 int mood_reload(void);
 146 int mood_delete_audio_file(const struct osl_row *aft_row);
 147
 148
 149 /* playlist */
 150 int playlist_open(char *name);
 151 void playlist_close(void);
 152 int playlist_update_audio_file(struct osl_row *aft_row);
 153
 154 /** evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y */
 155 #define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y)))
 156
 157
 158 #define DECLARE_BLOB_SYMBOLS(table_name, cmd_prefix) \
 159         int table_name ## _init(struct table_info *ti, const char *db); \
 160         void table_name ## _shutdown(enum osl_close_flags flags); \
 161         int cmd_prefix ## _get_name_by_id(uint32_t id, char **name); \
 162         extern struct osl_table *table_name ## _table;
 163
 164 DECLARE_BLOB_SYMBOLS(lyrics, lyr);
 165 DECLARE_BLOB_SYMBOLS(images, img);
 166 DECLARE_BLOB_SYMBOLS(moods, mood);
 167 DECLARE_BLOB_SYMBOLS(playlists, pl);
 168
 169 enum blob_table_columns {BLOBCOL_ID, BLOBCOL_NAME, BLOBCOL_DEF, NUM_BLOB_COLUMNS};
 170 #define DEFINE_BLOB_TABLE_DESC(table_name) \
 171         struct osl_table_description table_name ## _table_desc = { \
 172                 .name = #table_name, \
 173                 .num_columns = NUM_BLOB_COLUMNS, \
 174                 .flags = OSL_LARGE_TABLE, \
 175                 .column_descriptions = blob_cols \
 176         };
 177
 178 #define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table;
 179
 180 #define INIT_BLOB_TABLE(table_name) \
 181         DEFINE_BLOB_TABLE_DESC(table_name); \
 182         DEFINE_BLOB_TABLE_PTR(table_name);
 183