diff options
Diffstat (limited to 'ANDROID_3.4.5/include/media/media-entity.h')
| -rw-r--r-- | ANDROID_3.4.5/include/media/media-entity.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/ANDROID_3.4.5/include/media/media-entity.h b/ANDROID_3.4.5/include/media/media-entity.h deleted file mode 100644 index 29e7bba7..00000000 --- a/ANDROID_3.4.5/include/media/media-entity.h +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Media entity - * - * Copyright (C) 2010 Nokia Corporation - * - * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * Sakari Ailus <sakari.ailus@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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 02111-1307 USA - */ - -#ifndef _MEDIA_ENTITY_H -#define _MEDIA_ENTITY_H - -#include <linux/list.h> -#include <linux/media.h> - -struct media_pipeline { -}; - -struct media_link { - struct media_pad *source; /* Source pad */ - struct media_pad *sink; /* Sink pad */ - struct media_link *reverse; /* Link in the reverse direction */ - unsigned long flags; /* Link flags (MEDIA_LNK_FL_*) */ -}; - -struct media_pad { - struct media_entity *entity; /* Entity this pad belongs to */ - u16 index; /* Pad index in the entity pads array */ - unsigned long flags; /* Pad flags (MEDIA_PAD_FL_*) */ -}; - -struct media_entity_operations { - int (*link_setup)(struct media_entity *entity, - const struct media_pad *local, - const struct media_pad *remote, u32 flags); -}; - -struct media_entity { - struct list_head list; - struct media_device *parent; /* Media device this entity belongs to*/ - u32 id; /* Entity ID, unique in the parent media - * device context */ - const char *name; /* Entity name */ - u32 type; /* Entity type (MEDIA_ENT_T_*) */ - u32 revision; /* Entity revision, driver specific */ - unsigned long flags; /* Entity flags (MEDIA_ENT_FL_*) */ - u32 group_id; /* Entity group ID */ - - u16 num_pads; /* Number of sink and source pads */ - u16 num_links; /* Number of existing links, both - * enabled and disabled */ - u16 num_backlinks; /* Number of backlinks */ - u16 max_links; /* Maximum number of links */ - - struct media_pad *pads; /* Pads array (num_pads elements) */ - struct media_link *links; /* Links array (max_links elements)*/ - - const struct media_entity_operations *ops; /* Entity operations */ - - /* Reference counts must never be negative, but are signed integers on - * purpose: a simple WARN_ON(<0) check can be used to detect reference - * count bugs that would make them negative. - */ - int stream_count; /* Stream count for the entity. */ - int use_count; /* Use count for the entity. */ - - struct media_pipeline *pipe; /* Pipeline this entity belongs to. */ - - union { - /* Node specifications */ - struct { - u32 major; - u32 minor; - } v4l; - struct { - u32 major; - u32 minor; - } fb; - struct { - u32 card; - u32 device; - u32 subdevice; - } alsa; - int dvb; - - /* Sub-device specifications */ - /* Nothing needed yet */ - } info; -}; - -static inline u32 media_entity_type(struct media_entity *entity) -{ - return entity->type & MEDIA_ENT_TYPE_MASK; -} - -static inline u32 media_entity_subtype(struct media_entity *entity) -{ - return entity->type & MEDIA_ENT_SUBTYPE_MASK; -} - -#define MEDIA_ENTITY_ENUM_MAX_DEPTH 16 - -struct media_entity_graph { - struct { - struct media_entity *entity; - int link; - } stack[MEDIA_ENTITY_ENUM_MAX_DEPTH]; - int top; -}; - -int media_entity_init(struct media_entity *entity, u16 num_pads, - struct media_pad *pads, u16 extra_links); -void media_entity_cleanup(struct media_entity *entity); - -int media_entity_create_link(struct media_entity *source, u16 source_pad, - struct media_entity *sink, u16 sink_pad, u32 flags); -int __media_entity_setup_link(struct media_link *link, u32 flags); -int media_entity_setup_link(struct media_link *link, u32 flags); -struct media_link *media_entity_find_link(struct media_pad *source, - struct media_pad *sink); -struct media_pad *media_entity_remote_source(struct media_pad *pad); - -struct media_entity *media_entity_get(struct media_entity *entity); -void media_entity_put(struct media_entity *entity); - -void media_entity_graph_walk_start(struct media_entity_graph *graph, - struct media_entity *entity); -struct media_entity * -media_entity_graph_walk_next(struct media_entity_graph *graph); -void media_entity_pipeline_start(struct media_entity *entity, - struct media_pipeline *pipe); -void media_entity_pipeline_stop(struct media_entity *entity); - -#define media_entity_call(entity, operation, args...) \ - (((entity)->ops && (entity)->ops->operation) ? \ - (entity)->ops->operation((entity) , ##args) : -ENOIOCTLCMD) - -#endif |