-/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- */
-
-/** \file afs.h functions and structures for audio format handling (para_server) */
-
-/** \cond */
-#ifdef HAVE_OGGVORBIS
-#define OV_AUDIO_FORMAT " ogg"
-#define OV_AUDIO_FORMAT_ARRAY , "ogg"
-#else
-#define OV_AUDIO_FORMAT ""
-#define OV_AUDIO_FORMAT_ARRAY
-#endif
-
-#ifdef HAVE_FAAD
-#define AAC_AUDIO_FORMAT " aac"
-#define AAC_AUDIO_FORMAT_ARRAY , "aac"
-#else
-#define AAC_AUDIO_FORMAT ""
-#define AAC_AUDIO_FORMAT_ARRAY
-#endif
-
-#define SUPPORTED_AUDIO_FORMATS "mp3" OV_AUDIO_FORMAT AAC_AUDIO_FORMAT
-#define SUPPORTED_AUDIO_FORMATS_ARRAY "mp3" OV_AUDIO_FORMAT_ARRAY \
- AAC_AUDIO_FORMAT_ARRAY, NULL
-
-/* status flags */
-#define AFS_NOMORE 1
-#define AFS_NEXT 2
-#define AFS_REPOS 4
-#define AFS_PLAYING 8
-#define DBT_CHANGE 16
-/** \endcond */
-
-/**
- * structure for audio format handling
- *
- * There's exactly one such struct for each supported audio format. Initially,
- * only \a name and \a init are defined. During the startup process,
- * para_server calls the \a init function of each audio format handler which is
- * expected to fill in all the other function pointers.
- */
-struct audio_format_handler {
- /**
- * name of the audio format
- */
- const char *name;
- /**
- * typical file endings for files that can be handled by this afh.
- */
- const char **suffixes;
- /**
- * pointer to the audio format handler's init function
- *
- * Must initialize all function pointers and is assumed to succeed.
- */
- void (*init)(struct audio_format_handler*);
- /**
- * period of time between sending data chunks
- */
- struct timeval chunk_tv; /* length of one chunk of data */
- /**
- * end of file timeout - do not load new audio file until this time
- *
- */
- struct timeval eof_tv; /* timeout on eof */
- /**
- * Pointer to the optional get-header function.
- *
- * This is called from a sender in case a new client connects in the middle of
- * the stream. The audio format handler may set this to NULL to indicate that
- * this audio format does not need any special header treatment. If non-NULL,
- * the function it points to must return a pointer to a buffer holding the
- * current audio file header, together with the header length.
- */
- char *(*get_header_info)(int *header_len);
- /**
- * check if this audio format handler can handle the file
- *
- * This is a pointer to a function returning whether a given file is valid for
- * this audio format. A negative return value indicates that this audio format
- * handler did not recognize the given file. On success, the function is
- * expected to return a positive value and to fill in \arg info_str, \arg
- * chunks and \arg seconds appropriately.
- */
- int (*get_file_info)(FILE *audio_file, char *info_str,
- long unsigned *chunks, int *seconds);
- /**
- * cleanup function of this audio format handler
- *
- * This close function should deallocate any resources
- * associated with the current audio file. In particular, it is responsible
- * for closing the file handle. It is assumed to succeed.
- */
- void (*close_audio_file)(void);
- /**
- * jump to another position in the current audio file
- *
- * This is called if a client issued the ff or jmp command with \a request
- * being the number of the next chunk that should be sent out. Must return a
- * positive value on success and a negative value on errors.
- */
- int (*reposition_stream)(long unsigned request);
- /**
- * function responsible for reading one data chunk.
- *
- * \a read_chunk() must return a pointer to the next chunk of data that should
- * be sent out, or \p NULL on errors or if the end of the file was encountered.
- *
- * If it returns non-NULL, \a len must contain the length of the returned
- * buffer (which may be zero if nothing has to be sent for some reason).
- * Otherwise, \a len is used to distinguish between the eof and the error case:
- * It must be zero in the eof case, or negative if an error occcured.
- */
- char * (*read_chunk)(long unsigned chunk_num, ssize_t *len);
+#include <regex.h>
+#include "osl.h"
+#include "hash.h"
+
+#define DATABASE_DIR "/home/maan/tmp/osl" /* FIXME */
+
+struct afs_info {
+ uint64_t last_played;
+ uint64_t attributes;
+ uint32_t num_played;
+ uint32_t image_id;
+ uint32_t lyrics_id;
+ uint8_t audio_format_id;
+};
+
+enum afs_table_flags {TBLFLAG_SKIP_CREATE};
+
+struct table_info {
+ const struct osl_table_description *desc;
+ struct osl_table *table;
+ enum afs_table_flags flags;
+};
+
+enum ls_sorting_method {
+ LS_SORT_BY_PATH, /* -sp (default) */
+ LS_SORT_BY_SCORE, /* -ss */
+ LS_SORT_BY_LAST_PLAYED, /* -sl */
+ LS_SORT_BY_NUM_PLAYED, /* -sn */
+ LS_SORT_BY_FREQUENCY, /* -sf */
+ LS_SORT_BY_CHANNELS, /* -sc */
+ LS_SORT_BY_IMAGE_ID, /* -si */
+ LS_SORT_BY_LYRICS_ID, /* -sy */
+ LS_SORT_BY_BITRATE, /* -sb */
+ LS_SORT_BY_DURATION, /* -sd */
+ LS_SORT_BY_AUDIO_FORMAT, /* -sa */
+ LS_SORT_BY_HASH, /* -sh */
+};
+
+enum ls_listing_mode {
+ LS_MODE_SHORT,
+ LS_MODE_LONG,
+ LS_MODE_VERBOSE,
+ LS_MODE_MBOX
+};
+
+enum ls_flags {
+ LS_FLAG_FULL_PATH = 1,
+ LS_FLAG_ADMISSIBLE_ONLY = 2,
+ LS_FLAG_REVERSE = 4,
+};
+
+struct ls_widths {
+ unsigned short score_width;
+ unsigned short image_id_width;
+ unsigned short lyrics_id_width;
+ unsigned short bitrate_width;
+ unsigned short frequency_width;
+ unsigned short duration_width;
+ unsigned short num_played_width;
+};
+
+struct ls_data {
+ struct audio_format_info afhi;
+ struct afs_info afsi;
+ char *path;
+ long score;
+ HASH_TYPE *hash;
+};
+
+struct ls_options {
+ unsigned flags;
+ enum ls_sorting_method sorting;
+ enum ls_listing_mode mode;
+ char **patterns;
+ int num_patterns;
+ struct ls_widths widths;
+ uint32_t array_size;
+ uint32_t num_matching_paths;
+ struct ls_data *data;
+ struct ls_data **data_ptr;
};
+enum play_mode {PLAY_MODE_MOOD, PLAY_MODE_PLAYLIST};
+
+struct audio_file_data {
+ enum play_mode current_play_mode;
+ long score;
+ struct afs_info afsi;
+ struct audio_format_info afhi;
+ char *path;
+ struct osl_object map;
+};
+
+/* afs */
+typedef int callback_function(const struct osl_object *, struct osl_object *);
+__noreturn int afs_init(uint32_t cookie, int socket_fd);
+int send_callback_request(callback_function *f, struct osl_object *query,
+ struct osl_object *result);
+int send_standard_callback_request(int argc, char * const * const argv,
+ callback_function *f, struct osl_object *result);
+int send_option_arg_callback_request(struct osl_object *options,
+ int argc, char * const * const argv, callback_function *f,
+ struct osl_object *result);
+int stdin_command(struct osl_object *arg_obj, callback_function *f,
+ unsigned max_len, struct osl_object *result);
+int string_compare(const struct osl_object *obj1, const struct osl_object *obj2);
+int para_atol(const char *str, long *result);
+int open_next_audio_file(struct audio_file_data *afd);
+int close_audio_file(struct audio_file_data *afd);
+
+/* score */
+int score_init(struct table_info *ti);
+void score_shutdown(enum osl_close_flags flags);
+int admissible_file_loop(void *data, osl_rbtree_loop_func *func);
+int admissible_file_loop_reverse(void *data, osl_rbtree_loop_func *func);
+int score_get_best(struct osl_row **aft_row, long *score);
+int get_score_and_aft_row(struct osl_row *score_row, long *score, struct osl_row **aft_row);
+int score_add(const struct osl_row *row, long score);
+int score_update(const struct osl_row *aft_row, long new_score);
+int get_num_admissible_files(unsigned *num);
+int score_delete(const struct osl_row *aft_row);
+int row_belongs_to_score_table(const struct osl_row *aft_row);
+
+/* attribute */
+int attribute_init(struct table_info *ti);
+void attribute_shutdown(enum osl_close_flags flags);
+void get_attribute_bitmap(uint64_t *atts, char *buf);
+int get_attribute_bitnum_by_name(const char *att_name, unsigned char *bitnum);
+int get_attribute_text(uint64_t *atts, const char *delim, char **text);
+
+/* aft */
+int aft_init(struct table_info *ti);
+void aft_shutdown(enum osl_close_flags flags);
+int aft_get_row_of_path(char *path, struct osl_row **row);
+int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd);
+int load_afsi(struct afs_info *afsi, struct osl_object *obj);
+void save_afsi(struct afs_info *afsi, struct osl_object *obj);
+int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi);
+int get_audio_file_path_of_row(const struct osl_row *row, char **path);
+int get_afsi_object_of_row(const void *row, struct osl_object *obj);
+int audio_file_loop(void *private_data, osl_rbtree_loop_func *func);
+
+/* mood */
+int mood_open(char *mood_name);
+void mood_close(void);
+int mood_update_audio_file(const struct osl_row *aft_row, struct afs_info *old_afsi);
+int mood_reload(void);
+int mood_delete_audio_file(const struct osl_row *aft_row);
+
+
+/* playlist */
+int playlist_open(char *name);
+void playlist_close(void);
+int playlist_update_audio_file(struct osl_row *aft_row);
+
+/** evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y */
+#define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y)))
+
+
+#define DECLARE_BLOB_SYMBOLS(table_name, cmd_prefix) \
+ int table_name ## _init(struct table_info *ti); \
+ void table_name ## _shutdown(enum osl_close_flags flags); \
+ int cmd_prefix ## _get_name_by_id(uint32_t id, char **name); \
+ extern struct osl_table *table_name ## _table;
+
+DECLARE_BLOB_SYMBOLS(lyrics, lyr);
+DECLARE_BLOB_SYMBOLS(images, img);
+DECLARE_BLOB_SYMBOLS(moods, mood);
+DECLARE_BLOB_SYMBOLS(playlists, pl);
+
+enum blob_table_columns {BLOBCOL_ID, BLOBCOL_NAME, BLOBCOL_DEF, NUM_BLOB_COLUMNS};
+#define DEFINE_BLOB_TABLE_DESC(table_name) \
+ const struct osl_table_description table_name ## _table_desc = { \
+ .dir = DATABASE_DIR, \
+ .name = #table_name, \
+ .num_columns = NUM_BLOB_COLUMNS, \
+ .flags = OSL_LARGE_TABLE, \
+ .column_descriptions = blob_cols \
+ };
+
+#define DEFINE_BLOB_TABLE_PTR(table_name) struct osl_table *table_name ## _table;
+
+#define INIT_BLOB_TABLE(table_name) \
+ DEFINE_BLOB_TABLE_DESC(table_name); \
+ DEFINE_BLOB_TABLE_PTR(table_name);
-void afs_init(void);
-void afs_send_chunk(void);
-struct timeval *afs_preselect(void);
-const char *audio_format_name(int);
-unsigned int afs_playing(void);
-unsigned int afs_next(void);
-unsigned int afs_repos(void);
-unsigned int afs_paused(void);
-char *afs_get_header(int *header_len);
-struct timeval *afs_chunk_time(void);
-int guess_audio_format(const char *name);