--- /dev/null
+/*****************************************************************************
+ * vlc_media_library.h: SQL-based media library
+ *****************************************************************************
+ * Copyright (C) 2008-2010 the VideoLAN Team and AUTHORS
+ * $Id$
+ *
+ * Authors: Antoine Lejeune <phytos@videolan.org>
+ * Jean-Philippe André <jpeg@videolan.org>
+ * Rémi Duraffort <ivoire@videolan.org>
+ * Adrien Maglo <magsoft@videolan.org>
+ * Srikanth Raju <srikiraju at gmail dot com>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef VLC_MEDIA_LIBRARY_H
+# define VLC_MEDIA_LIBRARY_H
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+#include <vlc_common.h>
+#include <assert.h>
+#include <vlc_playlist.h>
+
+/*****************************************************************************
+ * ML Enums
+ *****************************************************************************/
+
+#define ML_PERSON_ARTIST "Artist"
+#define ML_PERSON_ALBUM_ARTIST "Album Artist"
+#define ML_PERSON_ENCODER "Encoder"
+#define ML_PERSON_PUBLISHER "Publisher"
+
+
+#define ml_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, ml_gc_data)))
+
+/** List of Query select types.
+ * In a query array or variable argument list, each select type is followed
+ * by an argument (X) of variable type (char* or int, @see ml_element_t).
+ * These types can be used either in the query list or in the result array.
+ * Some types are reserved for the result array:
+ */
+typedef enum
+{
+ ML_ALBUM = 1, /**< Album Title */
+ ML_ALBUM_ID, /**< Album ID */
+ ML_ALBUM_COVER, /**< Album Cover art url */
+ /* FIXME: Remove ML_ARTIST */
+ ML_ARTIST, /**< Artist, interpreted as ML_PEOPLE
+ && ML_PEOPLE_ROLE = ML_PERSON_ARTIST */
+ ML_ARTIST_ID, /**< Artist ID, interpreted as ML_PEOPLE_ID
+ && ML_PEOPLE_ROLE = ML_PERSON_ARTIST */
+ ML_COMMENT, /**< Comment about media */
+ ML_COUNT_MEDIA, /**< Number of medias */
+ ML_COUNT_ALBUM, /**< Number of albums */
+ ML_COUNT_PEOPLE, /**< Number of people */
+ ML_COVER, /**< Cover art url */
+ ML_DURATION, /**< Duration in ms */
+ ML_DISC_NUMBER, /**< Disc number of the track */
+ ML_EXTRA, /**< Extra/comment (string) on the media */
+ ML_FIRST_PLAYED, /**< First time media was played */
+ ML_FILESIZE, /**< Size of the media file */
+ ML_GENRE, /**< Genre of the media (if any) */
+ ML_ID, /**< Media ID */
+ ML_IMPORT_TIME, /**< Date when media was imported */
+ ML_LANGUAGE, /**< Language */
+ ML_LAST_PLAYED, /**< Last play UNIX timestamp */
+ ML_LAST_SKIPPED, /**< Time when media was last skipped */
+ ML_ORIGINAL_TITLE, /**< Media original title (if any) */
+ ML_PEOPLE, /**< Any People associated with this media */
+ ML_PEOPLE_ID, /**< Id of a person */
+ ML_PEOPLE_ROLE, /**< Person role */
+ ML_PLAYED_COUNT, /**< Media play count */
+ ML_PREVIEW, /**< Url of the video preview */
+ ML_SKIPPED_COUNT, /**< Number of times skipped */
+ ML_SCORE, /**< Computed media score */
+ ML_TITLE, /**< Media title */
+ ML_TRACK_NUMBER, /**< Media track number (if any) */
+ ML_TYPE, /**< Media type. @see ml_type_e */
+ ML_URI, /**< Media full URI. */
+ ML_VOTE, /**< Media user vote value */
+ ML_YEAR, /**< Media publishing year */
+ ML_DIRECTORY, /**< Monitored directory */
+ ML_MEDIA, /**< Full media descriptor. @see ml_media_t */
+ ML_MEDIA_SPARSE, /**< Sparse media. @see ml_media_t */
+ ML_MEDIA_EXTRA, /**< Sparse + Extra = Full media */
+
+ /* Some special elements */
+ ML_LIMIT = -1, /**< Limit a query to X results */
+ ML_SORT_DESC = -2, /**< Sort a query descending on argument X */
+ ML_SORT_ASC = -3, /**< Sort a query ascending on argument X */
+ ML_DISTINCT = -4, /**< Add DISTINCT to SELECT statements. */
+ ML_END = -42 /**< End of argument list */
+} ml_select_e;
+
+/** Media types (audio, video, etc...) */
+typedef enum
+{
+ ML_UNKNOWN = 0, /**< Unknown media type */
+ ML_AUDIO = 1 << 0, /**< Audio only media */
+ ML_VIDEO = 1 << 1, /**< Video media. May contain audio channels */
+ ML_STREAM = 1 << 2, /**< Streamed media = not a local file */
+ ML_NODE = 1 << 3, /**< Nodes like simple nodes, directories, playlists, etc */
+ ML_REMOVABLE = 1 << 4, /**< Removable media: CD/DVD/Card/... */
+} ml_type_e;
+
+/** Query result item/list type: integers, strings, medias, timestamps */
+typedef enum {
+ ML_TYPE_INT, /**< Object is an int */
+ ML_TYPE_PSZ, /**< A string char* */
+ ML_TYPE_TIME, /**< A timestamp mtime_t */
+ ML_TYPE_MEDIA, /**< A pointer to a media ml_media_t* */
+} ml_result_type_e;
+
+/** Arguments for VLC Control for the media library */
+typedef enum
+{
+ ML_SET_DATABASE, /**< arg1 = char *psz_host
+ arg2 = int i_port
+ arg3 = char *psz_user
+ arg4 = char *psz_pass */
+ ML_INIT_DATABASE, /**< No arg */
+ ML_ADD_INPUT_ITEM, /**< arg1 = input_item_t* */
+ ML_ADD_PLAYLIST_ITEM, /**< arg1 = playlist_item_t * */
+ ML_ADD_MONITORED, /**< arg1 = char* */
+ ML_DEL_MONITORED, /**< arg1 = char* */
+ ML_GET_MONITORED, /**< arg1 = vlc_array_t* */
+} ml_control_e;
+
+/* Operations that can be specified between find conditions */
+typedef enum
+{
+ ML_OP_NONE = 0, /**< This is to specify an actual condition */
+ ML_OP_AND, /**< AND condition */
+ ML_OP_OR, /**< OR condition */
+ ML_OP_NOT, /**< NOT condition */
+ ML_OP_SPECIAL /**< This is for inclusion of
+ * special stuffs like LIMIT */
+} ml_op_e;
+
+/* Comparison operators used in a single find condition */
+typedef enum
+{
+ ML_COMP_NONE = 0,
+ ML_COMP_LESSER, ///< <
+ ML_COMP_LESSER_OR_EQUAL, ///< <=
+ ML_COMP_EQUAL, ///< ==
+ ML_COMP_GREATER_OR_EQUAL, ///< >=
+ ML_COMP_GREATER, ///< >
+ ML_COMP_HAS, ///< "Contains", equivalent to SQL "LIKE %x%"
+ ML_COMP_STARTS_WITH, ///< Equivalent to SQL "LIKE %x"
+ ML_COMP_ENDS_WITH, ///< Equivalent to SQL "LIKE x%"
+} ml_comp_e;
+
+/*****************************************************************************
+ * ML Structures and types
+ *****************************************************************************/
+
+typedef struct media_library_t media_library_t;
+typedef struct media_library_sys_t media_library_sys_t;
+
+typedef struct ml_media_t ml_media_t;
+typedef struct ml_result_t ml_result_t;
+typedef struct ml_element_t ml_element_t;
+typedef struct ml_person_t ml_person_t;
+typedef struct ml_ftree_t ml_ftree_t;
+
+
+typedef struct ml_gc_object_t
+{
+ vlc_spinlock_t spin;
+ bool pool;
+ uintptr_t refs;
+ void (*pf_destructor) (struct ml_gc_object_t *);
+} ml_gc_object_t;
+
+#define ML_GC_MEMBERS ml_gc_object_t ml_gc_data;
+
+/** Main structure of the media library. VLC object. */
+struct media_library_t
+{
+ VLC_COMMON_MEMBERS
+
+ module_t *p_module; /**< the media library module */
+ media_library_sys_t *p_sys; /**< internal struture */
+
+ /** Member functions */
+ struct
+ {
+ /**< Search in the database */
+ int ( * pf_Find ) ( media_library_t *p_media_library,
+ vlc_array_t *p_result_array,
+ va_list args );
+
+ /**< Search in the database using an array of arguments */
+ int ( * pf_FindAdv ) ( media_library_t *p_media_library,
+ vlc_array_t *p_result_array,
+ ml_select_e selected_type,
+ const char *psz_lvalue,
+ ml_ftree_t *tree );
+
+ /**< Update the database using an array of arguments */
+ int ( * pf_Update ) ( media_library_t *p_media_library,
+ ml_select_e selected_type,
+ const char *psz_lvalue,
+ ml_ftree_t *where,
+ vlc_array_t *changes );
+
+ /**< Delete many medias in the database */
+ int ( * pf_Delete ) ( media_library_t *p_media_library,
+ vlc_array_t *p_array );
+
+ /**< Control the media library */
+ int ( * pf_Control ) ( media_library_t *p_media_library,
+ int i_query, va_list args );
+
+ /**< Create associated input item */
+ input_item_t* ( * pf_InputItemFromMedia ) (
+ media_library_t *p_media_library, int i_media );
+
+ /**< Get a media */
+ ml_media_t* ( * pf_GetMedia ) (
+ media_library_t *p_media_library, int i_media,
+ ml_select_e select, bool reload );
+ } functions;
+};
+
+
+/**
+ * @brief Structure to describe a media
+ *
+ * This is the main structure holding the meta data in ML.
+ * @see b_sparse indicates whether the media struct has valid values
+ * in its Extra fields. Otherwise, it must be loaded with the API
+ * function.
+ * @see i_id indicates whether this struct is saved in the ML if i_id > 0
+ * Otherwise, it can be added to the database
+ */
+struct ml_media_t
+{
+ ML_GC_MEMBERS
+ vlc_mutex_t lock; /**< Mutex for multithreaded access */
+ bool b_sparse; /**< Specifies if media is loaded fully */
+ ml_type_e i_type; /**< Type of the media (ml_type_e) */
+ int8_t i_vote; /**< User vote */
+ int16_t i_disc_number; /**< Disc number of media */
+ int16_t i_track_number; /**< Track number */
+ int16_t i_year; /**< Year of release */
+ int32_t i_id; /**< Media ID in the database */
+ int32_t i_score; /**< Score computed about the media */
+ int32_t i_album_id; /**< Album id */
+ int32_t i_played_count; /**< How many time the media was played */
+ int32_t i_skipped_count; /**< No. of times file was skipped */
+ int32_t i_bitrate; /**< Extra: Bitrate of the media */
+ int32_t i_samplerate; /**< Extra: Samplerate of the media */
+ int32_t i_bpm; /**< Extra: Beats per minute */
+ char *psz_uri; /**< URI to find the media */
+ char *psz_title; /**< Title of the media */
+ char *psz_orig_title; /**< Original title (mainly for movies) */
+ char *psz_album; /**< Name of the album */
+ char *psz_cover; /**< URI of the cover */
+ char *psz_genre; /**< Genre of the media */
+ char *psz_preview; /**< Preview thumbnail for video, if any */
+ char *psz_comment; /**< Comment or description about media */
+ char *psz_language; /**< Extra: Language */
+ char *psz_extra; /**< Extra: Some extra datas like lyrics */
+ ml_person_t *p_people; /**< Extra: People associated with this
+ media This meta holds only one
+ artist if b_sparse = true */
+ int64_t i_filesize; /**< Size of the file */
+ mtime_t i_duration; /**< Duration in microseconds */
+ mtime_t i_last_played; /**< Time when the media was last played */
+ mtime_t i_last_skipped; /**< Time when the media was last skipped */
+ mtime_t i_first_played; /**< First played */
+ mtime_t i_import_time; /**< Time when media was added */
+
+};
+
+
+/**
+ * @brief Main communication struct between GUI and sql_media_library.
+ * Generic representation of an ML/SQL query result.
+ */
+struct ml_result_t
+{
+ int32_t id; /**< Media/Album/Artist... ID (if any) */
+ ml_result_type_e type; /**< Type of value */
+ union
+ {
+ /* Classical results */
+ int i;
+ char *psz;
+ mtime_t time;
+
+ /* Complex result: media descriptor */
+ ml_media_t *p_media;
+ } value; /**< Value of the result obtained */
+};
+
+
+/**
+ * @brief Element of a query: criteria type/value pair
+ * Used for update and delete queries
+ */
+struct ml_element_t
+{
+ ml_select_e criteria; /**< SELECT criteria type. @see ml_select_e */
+ union
+ {
+ int i;
+ char* str;
+ } value; /**< SELECT criteria value (string or int) */
+ union
+ {
+ int i;
+ char* str;
+ } lvalue; /**< Refer to @see ml_ftree_t lvalue docs */
+};
+
+/**
+ * Binary tree used to parse the WHERE condition for a search
+ *
+ * Let [expr] indicate a valid expression
+ * [expr] = [expr] AND [expr], where the left and right are respective
+ * [expr] = [expr] OR [expr]
+ * [expr] = [expr] NOT [NULL]
+ * [expr] = [expr] SPEC [spec_expr]
+ * [expr] = [criteria=val]
+ * [spec_expr] = [DISTINCT/LIMIT/ASC/DESC = val ]
+ */
+struct ml_ftree_t
+{
+ ml_op_e op; /**< Operator. ML_OP_NONE means this is a leaf
+ * node. Criteria and value gives its data.
+ * ML_OP_SPECIAL specifies a special node
+ * that does not form a part of the WHERE.
+ * The right node consists of the data
+ * with its criteria set to the special val
+ * and the left node is the corresponding
+ * subtree of the parent node.
+ * ML_OP_NOT only left sub tree is considered
+ * ML_OP_AND and ML_OP_OR consider both
+ * left and right subtrees */
+ ml_ftree_t *left; /**< Left child of Bin tree */
+ ml_ftree_t *right; /**< Right child of Bin tree */
+ ml_select_e criteria; /**< SELECT criteria type @see ml_select_e
+ * The criteria value is considered only when
+ * op = ML_OP_NONE i.e. in leaf nodes */
+ ml_comp_e comp; /**< Condition between type and value */
+ union
+ {
+ int i;
+ char *str;
+ } value; /**< SELECT criteria value ( string or int ) */
+ union
+ {
+ int i;
+ char *str;
+ } lvalue; /**< Used as key value for people types/roles.
+ An empty string "" denotes ANY person role.
+ NULL is used for all other criterias */
+};
+
+
+/**
+ * Person class. Implemented as a linked list
+ */
+struct ml_person_t
+{
+ char *psz_role; /**< Type of person */
+ char *psz_name; /**< Name of the person */
+ int i_id; /**< ID in the database */
+ ml_person_t *p_next; /**< Next person in list */
+};
+
+
+/*****************************************************************************
+ * ML Function headers
+ *****************************************************************************/
+
+/**
+ * @brief Acquire a reference to the media library singleton
+ * @param p_this The object holding the media library
+ * @return The media library object. NULL if the media library
+ * object could not be loaded
+ */
+VLC_EXPORT( media_library_t*, __ml_Hold, ( vlc_object_t* p_this ) );
+#define ml_Hold( a ) __ml_Hold( VLC_OBJECT(a) )
+
+/**
+ * @brief Discard your ref to media library
+ * @param p_this The object holding the media library
+ */
+VLC_EXPORT( void, __ml_Release, ( vlc_object_t* p_this ) );
+#define ml_Release(a) __ml_Release( VLC_OBJECT(a))
+
+/**
+ * @brief Create a Media Library VLC object.
+ * @param p_this Parent to attach the ML object to.
+ * @param psz_name Name for the module
+ * @return The ML object.
+ */
+VLC_EXPORT( media_library_t*, __ml_Create, ( vlc_object_t *p_this, char* psz_name ) );
+
+/**
+ * @brief Destructor for the Media library singleton
+ * @param p_this Parent the ML object is attached to
+ */
+VLC_EXPORT( void, __ml_Destroy, ( vlc_object_t* p_this ) );
+
+/**
+ * @brief Control the Media Library
+ * @param p_media_library the media library object
+ * @param i_type one of ml_control_e values @see ml_control_e.
+ * @param ... optional arguments.
+ * @return VLC_SUCCESS or an error
+ */
+static inline int ml_ControlVa( media_library_t *p_media_library,
+ ml_control_e i_type, va_list args )
+{
+ return p_media_library->functions.pf_Control( p_media_library,
+ i_type,
+ args );
+}
+
+/**
+ * @brief Control the Media Library
+ * @param i_type one of ml_control_e values @see ml_control_e.
+ * Variable arguments list equivalent
+ */
+#define ml_Control( a, b, args... ) __ml_Control( a, b, ## args )
+static inline int __ml_Control( media_library_t *p_media_library,
+ ml_control_e i_type, ... )
+{
+ va_list args;
+ int returned;
+
+ va_start( args, i_type );
+ returned = ml_ControlVa( p_media_library, i_type, args );
+ va_end( args );
+
+ return returned;
+}
+
+/**
+ * @brief Determine an attribute's type (int or string)
+ * @param meta Attribute to test @see ml_select_e
+ * @return -1 if invalid, 0 if this is an integer, 1 if this is a string
+ */
+static inline int ml_AttributeIsString( ml_select_e meta )
+{
+ switch( meta )
+ {
+ /* Strings */
+ case ML_ALBUM:
+ case ML_ARTIST:
+ case ML_COMMENT:
+ case ML_COVER:
+ case ML_EXTRA:
+ case ML_GENRE:
+ case ML_LANGUAGE:
+ case ML_PREVIEW:
+ case ML_PEOPLE:
+ case ML_PEOPLE_ROLE:
+ case ML_ORIGINAL_TITLE:
+ case ML_TITLE:
+ case ML_URI:
+ return 1;
+
+ /* Integers */
+ case ML_ALBUM_ID:
+ case ML_ARTIST_ID:
+ case ML_DURATION:
+ case ML_DISC_NUMBER:
+ case ML_COUNT_MEDIA:
+ case ML_COUNT_ALBUM:
+ case ML_COUNT_PEOPLE:
+ case ML_FILESIZE:
+ case ML_FIRST_PLAYED:
+ case ML_ID:
+ case ML_IMPORT_TIME:
+ case ML_LAST_PLAYED:
+ case ML_LIMIT:
+ case ML_PLAYED_COUNT:
+ case ML_PEOPLE_ID:
+ case ML_SCORE:
+ case ML_SKIPPED_COUNT:
+ case ML_TRACK_NUMBER:
+ case ML_TYPE:
+ case ML_VOTE:
+ case ML_YEAR:
+ return 0;
+
+ /* Invalid or no following value (in a SELECT statement) */
+ default:
+ return -1;
+ }
+}
+
+/* Reference Counting Functions */
+/**
+ * @brief Increment reference count of media
+ * @param p_media The media object
+ */
+static inline void ml_gc_incref( ml_media_t* p_media )
+{
+ unsigned refs;
+ ml_gc_object_t* p_gc = &p_media->ml_gc_data;
+ assert( p_gc );
+
+ vlc_spin_lock (&p_gc->spin);
+ refs = ++p_gc->refs;
+ vlc_spin_unlock (&p_gc->spin);
+ assert (refs != 1); /* there had to be a reference already */
+}
+
+/**
+ * @brief Decrease reference count of media
+ * @param p_media The media object
+ */
+static inline void ml_gc_decref( ml_media_t* p_media )
+{
+ /* The below code is from vlc_release(). */
+ unsigned refs;
+ bool pool;
+ ml_gc_object_t* p_gc = &p_media->ml_gc_data;
+ assert( p_gc );
+
+ vlc_spin_lock (&p_gc->spin);
+ assert( p_gc->refs != 0 );
+ refs = --p_gc->refs;
+ pool = p_gc->pool;
+ assert( ( refs != 0 && p_gc->pool == true ) || ( refs == 0 && p_gc->pool == false ) );
+ vlc_spin_unlock (&p_gc->spin);
+
+ if( refs == 0 && pool == false )
+ {
+ vlc_spin_destroy (&p_gc->spin);
+ p_gc->pf_destructor (p_gc);
+ }
+}
+
+/*****************************************************************************
+ * ML Free Functions
+ *****************************************************************************/
+
+/**
+ * @brief Free a person object
+ * @param p_media Person object to free
+ * @note This function is NOT threadsafe
+ */
+static inline void ml_FreePeople( ml_person_t *p_person )
+{
+ if( p_person == NULL )
+ return;
+ ml_FreePeople( p_person->p_next );
+ free( p_person->psz_name );
+ free( p_person->psz_role );
+ free( p_person );
+}
+
+/**
+ * @brief Free only the content of a media. @see ml_media_t
+ * @param p_media Media object
+ * @note This function is NOT threadsafe.
+ */
+static inline void ml_FreeMediaContent( ml_media_t *p_media )
+{
+ free( p_media->psz_uri );
+ free( p_media->psz_title );
+ free( p_media->psz_orig_title );
+ free( p_media->psz_cover );
+ free( p_media->psz_comment );
+ free( p_media->psz_extra );
+ free( p_media->psz_genre );
+ free( p_media->psz_album );
+ free( p_media->psz_preview );
+ free( p_media->psz_language );
+ ml_FreePeople( p_media->p_people );
+ p_media->b_sparse = true;
+ p_media->i_id = 0;
+ p_media->i_type = ML_UNKNOWN;
+ p_media->i_album_id = 0;
+ p_media->i_disc_number = 0;
+ p_media->i_track_number = 0;
+ p_media->i_year = 0;
+ p_media->i_vote = 0;
+ p_media->i_score = 0;
+ p_media->i_filesize = 0;
+ p_media->i_duration = 0;
+ p_media->i_played_count = 0;
+ p_media->i_last_played = 0;
+ p_media->i_skipped_count = 0;
+ p_media->i_last_skipped = 0;
+ p_media->i_first_played = 0;
+ p_media->i_import_time = 0;
+ p_media->i_bitrate = 0;
+ p_media->i_samplerate = 0;
+ p_media->i_bpm = 0;
+}
+
+/**
+ * @brief Free a result item. @see ml_result_t
+ * @param p_result Result item to free
+ * @note This will free any strings and decref medias.
+ */
+static inline void ml_FreeResult( ml_result_t *p_result )
+{
+ if( p_result )
+ {
+ switch( p_result->type )
+ {
+ case ML_TYPE_PSZ:
+ free( p_result->value.psz );
+ break;
+ case ML_TYPE_MEDIA:
+ ml_gc_decref( p_result->value.p_media );
+ break;
+ default:
+ break;
+ }
+ free( p_result );
+ }
+}
+
+
+/**
+ * @brief Free a ml_element_t item.
+ * @param p_find Find object to free
+ * @see ml_element_t */
+static inline void ml_FreeElement( ml_element_t *p_elt )
+{
+ if( p_elt )
+ {
+ if( ml_AttributeIsString( p_elt->criteria ) )
+ {
+ free( p_elt->value.str );
+ }
+ if( p_elt->criteria == ML_PEOPLE )
+ {
+ free( p_elt->lvalue.str );
+ }
+ free( p_elt );
+ }
+}
+
+
+/**
+ * @brief Destroy a vlc_array_t of ml_result_t
+ * @param ml_result_array The result array to free
+ * @note Frees all results and contents of the results
+ */
+static inline void ml_DestroyResultArray( vlc_array_t *p_result_array )
+{
+ for( int i = 0; i < vlc_array_count( p_result_array ); i++ )
+ {
+ ml_FreeResult( ( ml_result_t* ) vlc_array_item_at_index(
+ p_result_array, i ) );
+ }
+}
+
+
+
+/*****************************************************************************
+ * ML Object Management Functions
+ *****************************************************************************/
+
+/** Helpers for locking and unlocking */
+#define ml_LockMedia( a ) vlc_mutex_lock( &a->lock )
+#define ml_UnlockMedia( a ) vlc_mutex_unlock( &a->lock )
+
+/**
+ * @brief Object constructor for ml_media_t
+ * @param p_ml The media library object
+ * @param id If 0, this item isn't in database. If non zero, it is and
+ * it will be a singleton
+ * @param select Type of object
+ * @param reload Whether to reload from database
+ */
+VLC_EXPORT( ml_media_t*, media_New, ( media_library_t* p_ml, int id,
+ ml_select_e select, bool reload ) );
+
+
+/* Forward declaration */
+static inline int ml_CopyPersons( ml_person_t** a, ml_person_t* b );
+
+/**
+ * @brief Copy all members of a ml_media_t to another.
+ * @param b Destination media, already allocated
+ * @param a Source media, cannot be NULL, const
+ * @note This does not check memory allocation (for strdup). It is threadsafe
+ * @todo Free b content, before inserting a?
+ */
+static inline int ml_CopyMedia( ml_media_t *b, ml_media_t *a )
+{
+ if( !a || !b ) return VLC_EGENERIC;
+ assert( a != b );
+ ml_LockMedia( a );
+ ml_LockMedia( b );
+ b->b_sparse = a->b_sparse;
+ b->i_id = a->i_id;
+ b->i_type = a->i_type;
+ b->i_album_id = a->i_album_id;
+ b->i_disc_number = a->i_disc_number;
+ b->i_track_number = a->i_track_number;
+ b->i_year = a->i_year;
+ b->i_vote = a->i_vote;
+ b->i_score = a->i_score;
+ b->i_filesize = a->i_filesize;
+ b->i_duration = a->i_duration;
+ b->i_played_count = a->i_played_count;
+ b->i_last_played = a->i_last_played;
+ b->i_skipped_count = a->i_skipped_count;
+ b->i_last_skipped = a->i_last_skipped;
+ b->i_first_played = a->i_first_played;
+ b->i_import_time = a->i_import_time;
+ b->i_bitrate = a->i_bitrate;
+ b->i_samplerate = a->i_samplerate;
+ b->i_bpm = a->i_bpm;
+ free( b->psz_uri );
+ if( a->psz_uri )
+ b->psz_uri = strdup( a->psz_uri );
+ free( b->psz_title );
+ if( a->psz_title )
+ b->psz_title = strdup( a->psz_title );
+ free( b->psz_orig_title );
+ if( a->psz_orig_title )
+ b->psz_orig_title = strdup( a->psz_orig_title );
+ free( b->psz_album );
+ if( a->psz_album )
+ b->psz_album = strdup( a->psz_album );
+ free( b->psz_cover );
+ if( a->psz_cover )
+ b->psz_cover = strdup( a->psz_cover );
+ free( b->psz_genre );
+ if( a->psz_genre )
+ b->psz_genre = strdup( a->psz_genre );
+ free( b->psz_comment );
+ if( a->psz_comment )
+ b->psz_comment = strdup( a->psz_comment );
+ free( b->psz_extra );
+ if( a->psz_extra )
+ b->psz_extra = strdup( a->psz_extra );
+ free( b->psz_preview );
+ if( a->psz_preview )
+ b->psz_preview = strdup( a->psz_preview );
+ free( b->psz_language );
+ if( a->psz_language )
+ b->psz_language = strdup( a->psz_language );
+ ml_FreePeople( b->p_people );
+ if( a->p_people ) ml_CopyPersons( &( b->p_people ), a->p_people );
+ ml_UnlockMedia( b );
+ ml_UnlockMedia( a );
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * ML Find Tree Related Functions
+ *****************************************************************************/
+#define ml_FreeFindTree( tree ) ml_GenericFreeFindTree( tree, true )
+#define ml_ShallowFreeFindTree( tree ) ml_GenericFreeFindTree( tree, false )
+/**
+ * @brief Free a find tree
+ * @param Find tree to free
+ * @param true to free any associated strings, false to not free them
+ */
+static inline void ml_GenericFreeFindTree( ml_ftree_t* tree, bool freestrings )
+{
+ if( tree == NULL )
+ return;
+ if( tree->left )
+ {
+ ml_GenericFreeFindTree( tree->left, freestrings );
+ free( tree->left );
+ }
+ if( tree->right )
+ {
+ ml_GenericFreeFindTree( tree->right, freestrings );
+ free( tree->right );
+ }
+ if( tree->op == ML_OP_NONE && ml_AttributeIsString( tree->criteria )
+ && freestrings == true)
+ {
+ free( tree->value.str );
+ if( tree->criteria == ML_PEOPLE )
+ free( tree->lvalue.str );
+ }
+}
+
+/**
+ * @brief Checks if a given find tree has leaf nodes
+ * @param Find tree
+ * @return Number of leaf nodes
+ */
+static inline int ml_FtreeHasOp( ml_ftree_t* tree )
+{
+ if( tree == NULL )
+ return 0;
+ if( tree->criteria > 0 && tree->op == ML_OP_NONE )
+ return 1;
+ else
+ return ml_FtreeHasOp( tree->left ) + ml_FtreeHasOp( tree->right );
+}
+
+
+/**
+ * @brief Connect up a find tree
+ * @param op operator to connect with
+ * If op = ML_OP_NONE, then you are connecting to a tree consisting of
+ * only SPECIAL nodes.
+ * If op = ML_OP_NOT, then right MUST be NULL
+ * op must not be ML_OP_SPECIAL, @see __ml_FtreeSpec
+ * @param left part of the tree
+ * @param right part of the tree
+ * @return Pointer to new tree
+ * @note Use the helpers!
+ */
+VLC_EXPORT( ml_ftree_t*, ml_OpConnectChilds, ( ml_op_e op, ml_ftree_t* left,
+ ml_ftree_t* right ) );
+
+/**
+ * @brief Attaches a special node to a tree
+ * @param tree Tree to attach special node to
+ * @param crit Criteria may be SORT_ASC, SORT_DESC, LIMIT or DISTINCT
+ * @param limit Limit used if LIMIT criteria used
+ * @param Sort string used if SORT criteria is used
+ * @return Pointer to new tree
+ * @note Use the helpers
+ */
+VLC_EXPORT( ml_ftree_t*, __ml_FtreeSpec, ( ml_ftree_t* tree,
+ ml_select_e crit,
+ int limit,
+ char* sort ) );
+
+/**
+ * @brief This function gives quick sequential adding capability
+ * @param left Tree to add to. This may be NULL
+ * @param right Tree to append. May not be NULL
+ * @return Pointer to new tree.*/
+static inline ml_ftree_t* ml_FtreeFastAnd( ml_ftree_t* left,
+ ml_ftree_t* right )
+{
+ if( ml_FtreeHasOp( left ) == 0 )
+ {
+ return ml_OpConnectChilds( ML_OP_NONE, left, right );
+ }
+ else
+ {
+ return ml_OpConnectChilds( ML_OP_AND, left, right );
+ }
+}
+#define ml_FtreeAnd( left, right ) ml_OpConnectChilds( ML_OP_AND, left, right )
+#define ml_FtreeOr( left, right ) ml_OpConnectChilds( ML_OP_OR, left, right )
+#define ml_FtreeNot( left ) ml_OpConnectChilds( ML_OP_NOT, left, NULL )
+
+#define ml_FtreeSpecAsc( tree, str ) __ml_FtreeSpec( tree, ML_SORT_ASC, 0, str )
+#define ml_FtreeSpecDesc( tree, str ) __ml_FtreeSpec( tree, ML_SORT_DESC, 0, str )
+#define ml_FtreeSpecLimit( tree, limit ) __ml_FtreeSpec( tree, ML_LIMIT, limit, NULL )
+#define ml_FtreeSpecDistinct( tree ) __ml_FtreeSpec( tree, ML_DISTINCT, 0, NULL )
+
+
+/*****************************************************************************
+ * ML Core Functions
+ *****************************************************************************/
+
+/**
+ * @brief Create input item from media
+ * @param p_media_library This ML instance.
+ * @param i_media_id ID of the media to use to create an input_item.
+ * @return The media item.
+ */
+static inline input_item_t* ml_CreateInputItem(
+ media_library_t *p_media_library, int i_media_id )
+{
+ return p_media_library->functions.pf_InputItemFromMedia( p_media_library,
+ i_media_id );
+}
+
+/**
+ * @brief Search in the database according some criterias
+ *
+ * @param p_media_library the media library object
+ * @param result a pointer to a result array
+ * @param ... parameters to select the data
+ * @return VLC_SUCCESS or an error
+ */
+static inline int __ml_Find( media_library_t *p_media_library,
+ vlc_array_t *p_result_array, ... )
+{
+ va_list args;
+ int returned;
+
+ va_start( args, p_result_array );
+ returned = p_media_library->functions.pf_Find( p_media_library,
+ p_result_array, args );
+ va_end( args );
+
+ return returned;
+}
+
+
+/**
+ * @brief Search in the database according some criterias (threaded)
+ * @param p_media_library the media library object
+ * @param result_array a pointer to a result array
+ * @param result_type type of data to retrieve
+ * @param psz_lvalue This should contain any necessary lvalue/key
+ * for the given result_type. Used for ML_PEOPLE. Otherwise NULL
+ * @param args parameters to select the data
+ * @return VLC_SUCCESS or an error
+ */
+static inline int ml_FindAdv( media_library_t *p_media_library,
+ vlc_array_t *p_result_array,
+ ml_select_e result_type,
+ char* psz_lvalue,
+ ml_ftree_t *tree )
+{
+ return p_media_library->functions.pf_FindAdv( p_media_library,
+ p_result_array,
+ result_type,
+ psz_lvalue,
+ tree );
+}
+
+
+/**
+ * @brief Find a value in the ML database, fill p_result with it.
+ * @param p_media_library Media library object
+ * @param p_result Object to put result into
+ * @param Args [ SelectType [ PersonType ] Value ] ... ML_END
+ * @note Do not use this function directly.
+ */
+static inline int __ml_GetValue( media_library_t *p_media_library,
+ ml_result_t *p_result,
+ va_list args )
+{
+ vlc_array_t *p_result_array = vlc_array_new();
+ int i_ret = p_media_library->functions.pf_Find( p_media_library,
+ p_result_array,
+ args );
+ if( i_ret != VLC_SUCCESS )
+ goto exit;
+ if( vlc_array_count( p_result_array ) > 0 )
+ memcpy( p_result,
+ ( ml_result_t* ) vlc_array_item_at_index( p_result_array, 0 ),
+ sizeof( ml_result_t) );
+ else
+ i_ret = VLC_EGENERIC;
+
+exit:
+ /* Note: Do not free the results, because of memcpy */
+ vlc_array_destroy( p_result_array );
+ return i_ret;
+}
+
+/**
+ * @brief Search an INTEGER in the database
+ * This uses a Query but returns only one integer (>0), or an error code.
+ *
+ * @param p_media_library the media library object
+ * @param va_args parameters to select the data
+ * @return Found INTEGER >= 0 or an error
+ */
+#define ml_GetInt( ml, ... ) __ml_GetInt( ml, __VA_ARGS__, ML_LIMIT, 1, ML_END )
+static inline int __ml_GetInt( media_library_t *p_media_library, ... )
+{
+ va_list args;
+ va_start( args, p_media_library );
+ ml_result_t result;
+ int i_ret = __ml_GetValue( p_media_library, &result, args );
+ va_end( args );
+ if( i_ret != VLC_SUCCESS )
+ return i_ret;
+ else
+ return result.value.i;
+}
+
+
+/**
+ * @brief Search a string (VARCHAR) in the database
+ * This uses a Query but returns only one integer (>0), or an error code.
+ *
+ * @param p_media_library the media library object
+ * @param va_args parameters to select the data
+ * @return Found string, or NULL if not found or in case of error
+ */
+#define ml_FindPsz( ml, ... ) __ml_GetPsz( ml, __VA_ARGS__, ML_LIMIT, 1, ML_END )
+static inline char* __ml_GetPsz( media_library_t *p_media_library, ... )
+{
+ va_list args;
+ va_start( args, p_media_library );
+ ml_result_t result;
+ int i_ret = __ml_GetValue( p_media_library, &result, args );
+ va_end( args );
+ if( i_ret != VLC_SUCCESS )
+ return NULL;
+ else
+ return result.value.psz; // no need to duplicate
+}
+
+/**
+ * @brief Generic update in Media Library database
+ *
+ * @param p_media_library the media library object
+ * @param selected_type the type of the element we're selecting
+ * @param where list of ids/uris to be changed
+ * @param changes list of changes to make in the entries
+ * @return VLC_SUCCESS or VLC_EGENERIC
+ */
+static inline int ml_Update( media_library_t *p_media_library,
+ ml_select_e selected_type,
+ const char* psz_lvalue,
+ ml_ftree_t *where,
+ vlc_array_t *changes )
+{
+ return p_media_library->functions.pf_Update( p_media_library,
+ selected_type, psz_lvalue,
+ where, changes );
+}
+
+/**
+ * @brief Update a given table
+ * @param p_media_library The media library object
+ * @param selected_type The table to update
+ * @param psz_lvalue The role of the person if selected_type = ML_PEOPLE
+ * @param id The id of the row to update
+ * @param ... The update data. [SelectType [RoleType] Value]
+ */
+#define ml_UpdateSimple( ml, sel, lval, id, ... ) \
+ __ml_UpdateSimple( ml, sel, lval, id, __VA_ARGS__, ML_END )
+VLC_EXPORT( int, __ml_UpdateSimple, ( media_library_t *p_media_library,
+ ml_select_e selected_type,
+ const char* psz_lvalue,
+ int id, ... ) );
+
+/**
+ * @brief Generic DELETE function
+ * Delete a media and all its references which don't point
+ * to anything else.
+ *
+ * @param p_media_library This media_library_t object
+ * @param id the id of the media to delete
+ * @return VLC_SUCCESS or VLC_EGENERIC
+ */
+static inline int
+ml_DeleteSimple( media_library_t *p_media_library, int id )
+{
+ vlc_array_t* p_where = vlc_array_new();
+ ml_element_t* p_find = (ml_element_t *) calloc( 1, sizeof( ml_element_t ) );
+ p_find->criteria = ML_ID;
+ p_find->value.i = id;
+ vlc_array_append( p_where, p_find );
+ int i_return = p_media_library->functions.pf_Delete( p_media_library,
+ p_where );
+ free( p_find );
+ vlc_array_destroy( p_where );
+ return i_return;
+}
+
+/**
+ * @brief Delete many medias in the media library
+ * @param p_media_library Media library object
+ * @param p_array Array of ids to delete
+ * @return VLC_SUCCESS or VLC_EGENERIC
+ */
+static inline int
+ml_Delete( media_library_t *p_media_library, vlc_array_t* p_array )
+{
+ return p_media_library->functions.pf_Delete( p_media_library,
+ p_array );
+}
+
+
+/*****************************************************************************
+ * ML Person Related Functions
+ *****************************************************************************/
+
+/**
+ * @brief Create and append a person object to the given list
+ * @param pp_person pointer to person list. Set the address to null to create new list
+ * @param i_role The role of the person
+ * @param psz_name The name string. Will be strdup'd
+ * @param i_id The id in the database
+ * @note This function is NOT thread safe. Please lock any associated media
+ */
+static inline int ml_CreateAppendPersonAdv( ml_person_t **pp_person,
+ const char* psz_role, const char* psz_name, int i_id )
+{
+ assert( i_id || ( psz_name && *psz_name && psz_role && *psz_role ) );
+ if( !pp_person )
+ return VLC_EGENERIC;
+ if( *pp_person != NULL )
+ return ml_CreateAppendPersonAdv( &((**pp_person).p_next),
+ psz_role, psz_name, i_id);
+ *pp_person = ( ml_person_t * ) calloc( 1, sizeof( ml_person_t ) );
+ (*pp_person)->psz_name = (psz_name && *psz_name) ? strdup( psz_name ): NULL;
+ (*pp_person)->psz_role = (psz_role && *psz_role) ? strdup( psz_role ): NULL;
+ (*pp_person)->i_id = i_id;
+ (*pp_person)->p_next = NULL;
+ return VLC_SUCCESS;
+}
+
+/**
+ * @brief Create and append a person object to the given list
+ * @param pp_person pointer to person list.
+ * Set the address to NULL to create a new list
+ * @param personfrom Person object to copy from
+ * @note Ignores the next variable and copies only the variables.
+ * Uses ml_CreateAppendPersonAdv
+ * @note This function is NOT threadsafe
+ */
+static inline int ml_CreateAppendPerson( ml_person_t **pp_person,
+ ml_person_t *p_personfrom )
+{
+ return ml_CreateAppendPersonAdv( pp_person,
+ p_personfrom->psz_role,
+ p_personfrom->psz_name,
+ p_personfrom->i_id );
+}
+
+/**
+ * @brief Copy one person list into another
+ * @param a To list
+ * @param b From list
+ * @note On errors, you have to free any allocated persons yourself
+ * @note This function is NOT threadsafe. Please ensure your medias are locked
+ */
+static inline int ml_CopyPersons( ml_person_t** a, ml_person_t* b )
+{
+ int i_ret;
+ while( b )
+ {
+ i_ret = ml_CreateAppendPerson( a, b );
+ if( i_ret != VLC_SUCCESS )
+ return i_ret;
+ b = b->p_next;
+ }
+ return VLC_SUCCESS;
+}
+
+
+/**
+ * @brief Returns a person list of given type
+ * @param p_ml The ML object
+ * @param p_media The Media object
+ * @param i_type The person type
+ * @note This function is thread safe
+ */
+VLC_EXPORT( ml_person_t*, ml_GetPersonsFromMedia, ( media_library_t* p_ml,
+ ml_media_t* p_media,
+ const char *psz_role ) );
+
+
+#define ml_GetAlbumArtistsFromMedia( a, b ) ml_GetPersonsFromMedia( a, b, ML_PERSON_ALBUM_ARTIST );
+#define ml_GetArtistsFromMedia( a, b ) ml_GetPersonsFromMedia( a, b, ML_PERSON_ARTIST );
+#define ml_GetEncodersFromMedia( a, b ) ml_GetPersonsFromMedia( a, b, ML_PERSON_ENCODER );
+#define ml_GetPublishersFromMedia( a, b ) ml_GetPersonsFromMedia( a, b, ML_PERSON_PUBLISHER );
+
+/**
+ * @brief Delete a certain type of people from a media
+ * @param p_media Media to delete from
+ * @param i_type Type of person to delete
+ * @note This function is threadsafe
+ */
+VLC_EXPORT( void, ml_DeletePersonTypeFromMedia, ( ml_media_t* p_media,
+ const char *psz_role ) );
+
+
+/**
+ * @brief Creates and adds the playlist based on a given find tree
+ * @param p_ml Media library object
+ * @param p_tree Find tree to create SELECT
+ */
+
+VLC_EXPORT( void, ml_PlaySmartPlaylistBasedOn, ( media_library_t* p_ml,
+ ml_ftree_t* p_tree ) );
+
+
+/**
+ * Convenience Macros
+ */
+
+/**
+ * Get information using the *media* ID. This returns only 1 information.
+ * @note You have to free the string returned (if that's a string!).
+ */
+#define ml_GetAlbumById( a, id ) ml_GetPsz( a, ML_ALBUM, ML_ID, id )
+#define ml_GetArtistById( a, id ) ml_GetPsz( a, ML_PEOPLE, ML_PERSON_ARTIST, ML_ID, id )
+#define ml_GetCoverUriById( a, id ) ml_GetPsz( a, ML_COVER, ML_ID, id )
+#define ml_GetEncoderById( a, id ) ml_GetPsz( a, ML_PEOPLE, ML_PERSON_ENCODER, ML_ID, id )
+#define ml_GetExtraById( a, id ) ml_GetPsz( a, ML_EXTRA, ML_ID, id )
+#define ml_GetGenreById( a, id ) ml_GetPsz( a, ML_GENRE, ML_ID, id )
+#define ml_GetOriginalTitleById( a, id ) ml_GetPsz( a, ML_ORIGINAL_TITLE, ML_ID, id )
+#define ml_GetPublisherById( a, id ) ml_GetPsz( a, ML_PEOPLE, ML_PERSON_PUBLISHER, ML_ID, id )
+#define ml_GetTitleById( a, id ) ml_GetPsz( a, ML_TITLE, ML_ID, id )
+#define ml_GetUriById( a, id ) ml_GetPsz( a, ML_URI, ML_ID, id )
+
+#define ml_GetAlbumIdById( a, id ) ml_GetInt( a, ML_ALBUM_ID, ML_ID, id )
+#define ml_GetArtistIdById( a, id ) ml_GetInt( a, ML_PEOPLE_ID, ML_PERSON_ARTIST, ML_ID, id )
+#define ml_GetDurationById( a, id ) ml_GetInt( a, ML_DURATION, ML_ID, id )
+#define ml_GetEncoderIdById( a, id ) ml_GetInt( a, ML_PEOPLE_ID, ML_PERSON_ENCODER, ML_ID, id )
+#define ml_GetLastPlayedById( a, id ) ml_GetInt( a, ML_LAST_PLAYED, ML_ID, id )
+#define ml_GetPlayedCountById( a, id ) ml_GetInt( a, ML_PLAYED_COUNT, ML_ID, id )
+#define ml_GetPublisherIdById( a, id ) ml_GetInt( a, ML_PEOPLE_ID, ML_PERSON_PUBLISHER, ML_ID, id )
+#define ml_GetScoreById( a, id ) ml_GetInt( a, ML_SCORE, ML_ID, id )
+#define ml_GetTrackNumberById( a, id ) ml_GetInt( a, ML_TRACK_NUMBER, ML_ID, id )
+#define ml_GetTypeById( a, id ) ml_GetInt( a, ML_TYPE, ML_ID, id )
+#define ml_GetYearById( a, id ) ml_GetInt( a, ML_YEAR, ML_ID, id )
+#define ml_GetVoteById( a, id ) ml_GetInt( a, ML_VOTE, ML_ID, id )
+
+/** Albums handling */
+#define ml_GetAlbumId( a, b ) ml_GetInt( a, ML_ALBUM_ID, ML_ALBUM, b )
+
+/** People handling */
+#define ml_GetArtistId( a, b ) ml_GetInt( a, ML_PERSON_ID, ML_PERSON_ARTIST, ML_PERSON, ML_PERSON_ARTIST, b )
+#define ml_GetEncoderId( a, b ) ml_GetInt( a, ML_PERSON_ID, ML_PERSON_ENCODER, ML_PERSON, ML_PERSON_ENCODER, b )
+#define ml_GetPublisherId( a, b ) ml_GetInt( a, ML_PERSON_ID, ML_PERSON_PUBLISHER, ML_PERSON, ML_PERSON_PUBLISHER, b )
+
+/** Counts handling */
+#define ml_GetMediaCount( a, ... ) __ml_GetInt( a, ML_COUNT_MEDIA, __VA_ARGS__, ML_END )
+#define ml_GetAlbumCount( a, ... ) __ml_GetInt( a, ML_COUNT_ALBUM, __VA_ARGS__, ML_END )
+#define ml_GetPeopleCount( a, ... ) __ml_GetInt( a, ML_COUNT_PEOPLE, __VA_ARGS__, ML_END )
+
+#define ml_Find( a, b, ... ) __ml_Find( a, b, __VA_ARGS__, ML_END )
+
+#define ml_FindAlbum( a, b, ... ) __ml_Find( a, b, ML_ALBUM, __VA_ARGS__, ML_END )
+#define ml_FindArtist( a, b, ... ) __ml_Find( a, b, ML_PERSON, ML_PERSON_ARTIST, __VA_ARGS__, ML_END )
+#define ml_FindEncoder( a, b, ... ) __ml_Find( a, b, ML_PERSON, ML_PERSON_ENCODER, __VA_ARGS__, ML_END )
+#define ml_FindGenre( a, b, ... ) __ml_Find( a, b, ML_GENRE, __VA_ARGS__, ML_END )
+#define ml_FindMedia( a, b, ... ) __ml_Find( a, b, ML_MEDIA, __VA_ARGS__, ML_END )
+#define ml_FindOriginalTitle( a, b, ... ) __ml_Find( a, b, ML_ORIGINAL_TITLE, __VA_ARGS__, ML_END )
+#define ml_FindPublisher( a, b, ... ) __ml_Find( a, b, ML_PERSON, ML_PERSON_PUBLISHER, __VA_ARGS__, ML_END )
+#define ml_FindTitle( a, b, ... ) __ml_Find( a, b, ML_TITLE, __VA_ARGS__, ML_END )
+#define ml_FindType( a, b, ... ) __ml_Find( a, b, ML_TYPE, __VA_ARGS__, ML_END )
+#define ml_FindUri( a, b, ... ) __ml_Find( a, b, ML_URI, __VA_ARGS__, ML_END )
+#define ml_FindYear( a, b, ... ) __ml_Find( a, b, ML_YEAR, __VA_ARGS__, ML_END )
+
+#define ml_FindAllAlbums( a, b ) ml_FindAlbum( a, b, ML_DISTINCT )
+#define ml_FindAllArtists( a, b ) ml_FindArtist( a, b, ML_DISTINCT )
+#define ml_FindAllGenres( a, b ) ml_FindGenre( a, b, ML_DISTINCT )
+#define ml_FindAllMedias( a, b ) ml_FindMedia( a, b, ML_DISTINCT )
+#define ml_FindAllOriginalTitles( a, b ) ml_FindOriginalTitle( a, b, ML_DISTINCT )
+#define ml_FindAllPublishers( a, b, ... ) ml_FindPublisher( a, b, ML_DISTINCT )
+#define ml_FindAllTitles( a, b ) ml_FindTitle( a, b, ML_DISTINCT )
+#define ml_FindAllTypes( a, b ) ml_FindType( a, b, ML_DISTINCT )
+#define ml_FindAllUris( a, b ) ml_FindUri( a, b, ML_DISTINCT )
+#define ml_FindAllYears( a, b ) ml_FindYear( a, b, ML_DISTINCT )
+
+#define ml_FindAlbumAdv( a, b, c ) ml_FindAdv( a, b, ML_ALBUM, NULL, c )
+#define ml_FindArtistAdv( a, b, c ) ml_FindAdv( a, b, ML_PERSON, ML_PERSON_ARTIST, c )
+#define ml_FindEncoderAdv( a, b, c ) ml_FindAdv( a, b, ML_PERSON, ML_PERSON_ENCODER, c )
+#define ml_FindGenreAdv( a, b, c ) ml_FindAdv( a, b, ML_GENRE, NULL, c )
+#define ml_FindMediaAdv( a, b, c ) ml_FindAdv( a, b, ML_MEDIA, NULL, c )
+#define ml_FindOriginalTitleAdv( a, b, c ) ml_FindAdv( a, b, ML_ORIGINAL_TITLE,NULL, c )
+#define ml_FindPublisherAdv( a, b, c ) ml_FindAdv( a, b, ML_PUBLISHER, ML_PERSON_PUBLISHER, c )
+#define ml_FindTitleAdv( a, b, c ) ml_FindAdv( a, b, ML_TITLE, NULL, c )
+#define ml_FindTypeAdv( a, b, c ) ml_FindAdv( a, b, ML_TYPE, NULL, c )
+#define ml_FindUriAdv( a, b, c ) ml_FindAdv( a, b, ML_URI, NULL, c )
+#define ml_FindYearAdv( a, b, c ) ml_FindAdv( a, b, ML_YEAR, NULL, c )
+
+
+
+#ifdef __cplusplus
+}
+#endif /* C++ */
+
+#endif /* VLC_MEDIA_LIBRARY_H */
projects / vlc / commitdiff