afs.h

   1 #include <regex.h>
   2 #include "osl.h"
   3 #include "hash.h"
   4
   5 #define DATABASE_DIR "/home/maan/tmp/osl" /* FIXME */
   6
   7 struct afs_info {
   8         uint64_t last_played;
   9         uint64_t attributes;
  10         uint32_t num_played;
  11         uint32_t image_id;
  12         uint32_t lyrics_id;
  13         uint8_t audio_format_id;
  14 };
  15
  16 enum afs_table_flags {TBLFLAG_SKIP_CREATE};
  17
  18 struct table_info {
  19         const struct osl_table_description *desc;
  20         struct osl_table *table;
  21         enum afs_table_flags flags;
  22 };
  23
  24 enum ls_sorting_method {
  25         LS_SORT_BY_PATH, /* -sp (default) */
  26         LS_SORT_BY_SCORE, /* -ss */
  27         LS_SORT_BY_LAST_PLAYED, /* -sl */
  28         LS_SORT_BY_NUM_PLAYED, /* -sn */
  29         LS_SORT_BY_FREQUENCY, /* -sf */
  30         LS_SORT_BY_CHANNELS, /* -sc */
  31         LS_SORT_BY_IMAGE_ID, /* -si */
  32         LS_SORT_BY_LYRICS_ID, /* -sy */
  33         LS_SORT_BY_BITRATE, /* -sb */
  34         LS_SORT_BY_DURATION, /* -sd */
  35         LS_SORT_BY_AUDIO_FORMAT, /* -sa */
  36         LS_SORT_BY_HASH, /* -sh */
  37 };
  38
  39 enum ls_listing_mode {
  40         LS_MODE_SHORT,
  41         LS_MODE_LONG,
  42         LS_MODE_VERBOSE,
  43         LS_MODE_MBOX
  44 };
  45
  46 enum ls_flags {
  47         LS_FLAG_FULL_PATH = 1,
  48         LS_FLAG_ADMISSIBLE_ONLY = 2,
  49         LS_FLAG_REVERSE = 4,
  50 };
  51
  52 struct ls_widths {
  53         unsigned short score_width;
  54         unsigned short image_id_width;
  55         unsigned short lyrics_id_width;
  56         unsigned short bitrate_width;
  57         unsigned short frequency_width;
  58         unsigned short duration_width;
  59         unsigned short num_played_width;
  60 };
  61
  62 struct ls_data {
  63         struct audio_format_info afhi;
  64         struct afs_info afsi;
  65         char *path;
  66         long score;
  67         HASH_TYPE *hash;
  68 };
  69
  70 struct ls_options {
  71         unsigned flags;
  72         enum ls_sorting_method sorting;
  73         enum ls_listing_mode mode;
  74         char **patterns;
  75         int num_patterns;
  76         struct ls_widths widths;
  77         uint32_t array_size;
  78         uint32_t num_matching_paths;
  79         struct ls_data *data;
  80         struct ls_data **data_ptr;
  81 };
  82
  83 enum play_mode {PLAY_MODE_MOOD, PLAY_MODE_PLAYLIST};
  84
  85 struct audio_file_data {
  86         enum play_mode current_play_mode;
  87         long score;
  88         struct afs_info afsi;
  89         struct audio_format_info afhi;
  90         char *path;
  91         struct osl_object map;
  92 };
  93
  94 /* afs */
  95 typedef int callback_function(const struct osl_object *, struct osl_object *);
  96 __noreturn int afs_init(uint32_t cookie, int socket_fd);
  97 int send_callback_request(callback_function *f, struct osl_object *query,
  98         struct osl_object *result);
  99 int send_standard_callback_request(int argc, char * const * const argv,
 100                 callback_function *f, struct osl_object *result);
 101 int send_option_arg_callback_request(struct osl_object *options,
 102         int argc, char * const * const argv, callback_function *f,
 103         struct osl_object *result);
 104 int stdin_command(struct osl_object *arg_obj, callback_function *f,
 105                 unsigned max_len, struct osl_object *result);
 106 int string_compare(const struct osl_object *obj1, const struct osl_object *obj2);
 107 int para_atol(const char *str, long *result);
 108 int open_next_audio_file(struct audio_file_data *afd);
 109 int close_audio_file(struct audio_file_data *afd);
 110
 111 /* score */
 112 int score_init(struct table_info *ti);
 113 void score_shutdown(enum osl_close_flags flags);
 114 int admissible_file_loop(void *data, osl_rbtree_loop_func *func);
 115 int admissible_file_loop_reverse(void *data, osl_rbtree_loop_func *func);
 116 int score_get_best(struct osl_row **aft_row, long *score);
 117 int get_score_and_aft_row(struct osl_row *score_row, long *score, struct osl_row **aft_row);
 118 int score_add(const struct osl_row *row, long score);
 119 int score_update(const struct osl_row *aft_row, long new_score);
 120 int get_num_admissible_files(unsigned *num);
 121 int score_delete(const struct osl_row *aft_row);
 122 int row_belongs_to_score_table(const struct osl_row *aft_row);
 123
 124 /* attribute */
 125 int attribute_init(struct table_info *ti);
 126 void attribute_shutdown(enum osl_close_flags flags);
 127 void get_attribute_bitmap(uint64_t *atts, char *buf);
 128 int get_attribute_bitnum_by_name(const char *att_name, unsigned char *bitnum);
 129 int get_attribute_text(uint64_t *atts, const char *delim, char **text);
 130
 131 /* aft */
 132 int aft_init(struct table_info *ti);
 133 void aft_shutdown(enum osl_close_flags flags);
 134 int aft_get_row_of_path(char *path, struct osl_row **row);
 135 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd);
 136 int load_afsi(struct afs_info *afsi, struct osl_object *obj);
 137 void save_afsi(struct afs_info *afsi, struct osl_object *obj);
 138 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi);
 139 int get_audio_file_path_of_row(const struct osl_row *row, char **path);
 140 int get_afsi_object_of_row(const void *row, struct osl_object *obj);
 141 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func);
 142
 143 /* mood */
 144 int mood_open(char *mood_name);
 145 void mood_close(void);
 146 int mood_update_audio_file(const struct osl_row *aft_row, struct afs_info *old_afsi);
 147 int mood_reload(void);
 148 int mood_delete_audio_file(const struct osl_row *aft_row);
 149
 150
 151 /* playlist */
 152 int playlist_open(char *name);
 153 void playlist_close(void);
 154 int playlist_update_audio_file(struct osl_row *aft_row);
 155
 156 /** evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y */
 157 #define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y)))
 158
 159
 160 #define DECLARE_BLOB_SYMBOLS(table_name, cmd_prefix) \
 161         int table_name ## _init(struct table_info *ti); \
 162         void table_name ## _shutdown(enum osl_close_flags flags); \
 163         int cmd_prefix ## _get_name_by_id(uint32_t id, char **name); \
 164         extern struct osl_table *table_name ## _table;
 165
 166 DECLARE_BLOB_SYMBOLS(lyrics, lyr);
 167 DECLARE_BLOB_SYMBOLS(images, img);
 168 DECLARE_BLOB_SYMBOLS(moods, mood);
 169 DECLARE_BLOB_SYMBOLS(playlists, pl);
 170
 171 enum blob_table_columns {BLOBCOL_ID, BLOBCOL_NAME, BLOBCOL_DEF, NUM_BLOB_COLUMNS};
 172 #define DEFINE_BLOB_TABLE_DESC(table_name) \
 173         const struct osl_table_description table_name ## _table_desc = { \
 174                 .dir = DATABASE_DIR, \
 175                 .name = #table_name, \
 176                 .num_columns = NUM_BLOB_COLUMNS, \
 177                 .flags = OSL_LARGE_TABLE, \
 178                 .column_descriptions = blob_cols \
 179         };
 180
 181 #define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table;
 182
 183 #define INIT_BLOB_TABLE(table_name) \
 184         DEFINE_BLOB_TABLE_DESC(table_name); \
 185         DEFINE_BLOB_TABLE_PTR(table_name);
 186