playlist_internal.h
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
资源大小:29949k
文件大小:7k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * playlist_internal.h : Playlist internals
- *****************************************************************************
- * Copyright (C) 1999-2008 the VideoLAN team
- * $Id: cae5b040959b483053dd7d63128fa612209370ac $
- *
- * Authors: Samuel Hocevar <sam@zoy.org>
- * Clément Stenac <zorglub@videolan.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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef __LIBVLC_PLAYLIST_INTERNAL_H
- # define __LIBVLC_PLAYLIST_INTERNAL_H 1
- /**
- * file
- * This file contain internal structures and function prototypes related
- * to the playlist in vlc
- *
- * defgroup vlc_playlist Playlist
- * @{
- */
- #include "input/input_interface.h"
- #include <assert.h>
- #include "art.h"
- #include "fetcher.h"
- #include "preparser.h"
- typedef struct playlist_services_discovery_support_t {
- /* the playlist items for category and onelevel */
- playlist_item_t *p_cat;
- playlist_item_t *p_one;
- services_discovery_t *p_sd; /**< Loaded service discovery modules */
- char *psz_name;
- } vlc_sd_internal_t;
- typedef struct playlist_private_t
- {
- playlist_t public_data;
- playlist_preparser_t *p_preparser; /**< Preparser data */
- playlist_fetcher_t *p_fetcher; /**< Meta and art fetcher data */
- playlist_item_array_t items_to_delete; /**< Array of items and nodes to
- delete... At the very end. This sucks. */
- vlc_sd_internal_t **pp_sds;
- int i_sds; /**< Number of service discovery modules */
- input_thread_t * p_input; /**< the input thread associated
- * with the current item */
- input_resource_t * p_input_resource; /**< input resources */
- struct {
- /* Current status. These fields are readonly, only the playlist
- * main loop can touch it*/
- playlist_status_t i_status; /**< Current status of playlist */
- playlist_item_t * p_item; /**< Currently playing/active item */
- playlist_item_t * p_node; /**< Current node to play from */
- } status;
- struct {
- /* Request. Use this to give orders to the playlist main loop */
- playlist_status_t i_status; /**< requested playlist status */
- playlist_item_t * p_node; /**< requested node to play from */
- playlist_item_t * p_item; /**< requested item to play in the node */
- int i_skip; /**< Number of items to skip */
- bool b_request;/**< Set to true by the requester
- The playlist sets it back to false
- when processing the request */
- vlc_mutex_t lock; /**< Lock to protect request */
- } request;
- vlc_thread_t thread; /**< engine thread */
- vlc_mutex_t lock; /**< dah big playlist global lock */
- vlc_cond_t signal; /**< wakes up the playlist engine thread */
- int i_last_playlist_id; /**< Last id to an item */
- bool b_reset_currently_playing; /** Reset current item array */
- bool b_tree; /**< Display as a tree */
- bool b_doing_ml; /**< Doing media library stuff get quicker */
- bool b_auto_preparse;
- mtime_t last_rebuild_date;
- } playlist_private_t;
- #define pl_priv( pl ) ((playlist_private_t *)(pl))
- /*****************************************************************************
- * Prototypes
- *****************************************************************************/
- /* Creation/Deletion */
- playlist_t *playlist_Create( vlc_object_t * );
- /* */
- void playlist_Activate( playlist_t * );
- void playlist_Deactivate( playlist_t * );
- /* */
- playlist_item_t *playlist_ItemNewFromInput( playlist_t *p_playlist,
- input_item_t *p_input );
- /* Engine */
- playlist_item_t * get_current_status_item( playlist_t * p_playlist);
- playlist_item_t * get_current_status_node( playlist_t * p_playlist );
- void set_current_status_item( playlist_t *, playlist_item_t * );
- void set_current_status_node( playlist_t *, playlist_item_t * );
- /* Load/Save */
- int playlist_MLLoad( playlist_t *p_playlist );
- int playlist_MLDump( playlist_t *p_playlist );
- /**********************************************************************
- * Item management
- **********************************************************************/
- void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
- int i_node_id, bool b_signal );
- playlist_item_t * playlist_NodeAddInput( playlist_t *, input_item_t *,
- playlist_item_t *,int , int, bool );
- /* Tree walking */
- playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
- int i_input_id, playlist_item_t *p_root,
- bool );
- int playlist_DeleteFromInputInParent( playlist_t *, int, playlist_item_t *, bool );
- int playlist_DeleteFromItemId( playlist_t*, int );
- int playlist_ItemRelease( playlist_item_t * );
- void playlist_NodesPairCreate( playlist_t *, const char *, playlist_item_t **, playlist_item_t **, bool );
- int playlist_NodeEmpty( playlist_t *, playlist_item_t *, bool );
- /**
- * @}
- */
- #define PLAYLIST_DEBUG 1
- //#undef PLAYLIST_DEBUG2
- #ifdef PLAYLIST_DEBUG
- #define PL_DEBUG( msg, args... ) msg_Dbg( p_playlist, msg, ## args )
- #ifdef PLAYLIST_DEBUG2
- #define PL_DEBUG2( msg, args... ) msg_Dbg( p_playlist, msg, ## args )
- #else
- #define PL_DEBUG2( msg, args... ) {}
- #endif
- #else
- #define PL_DEBUG( msg, args ... ) {}
- #define PL_DEBUG2( msg, args... ) {}
- #endif
- #define PLI_NAME( p ) p && p->p_input ? p->p_input->psz_name : "null"
- #define PL_LOCK_IF( cond ) pl_lock_if( p_playlist, cond )
- static inline void pl_lock_if( playlist_t * p_playlist, bool cond )
- {
- if( cond ) PL_LOCK; else PL_ASSERT_LOCKED;
- }
- #define PL_UNLOCK_IF( cond ) pl_unlock_if( p_playlist, cond )
- static inline void pl_unlock_if( playlist_t * p_playlist, bool cond )
- {
- if( cond ) PL_UNLOCK;
- }
- #endif /* !__LIBVLC_PLAYLIST_INTERNAL_H */