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/*
* Media controller test application
*
* Copyright (C) 2010 Ideas on board SPRL <laurent.pinchart@ideasonboard.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.,
*/
#ifndef __MEDIA_H__
#define __MEDIA_H__
#include <linux/media.h>
struct media_entity_link {
struct media_entity_pad *source;
struct media_entity_pad *sink;
struct media_entity_link *twin;
__u32 flags;
__u32 padding[3];
};
struct media_entity_pad {
struct media_entity *entity;
__u32 index;
__u32 flags;
__u32 padding[3];
};
struct media_entity {
struct media_entity_desc info;
struct media_entity_pad *pads;
struct media_entity_link *links;
unsigned int max_links;
unsigned int num_links;
char devname[32];
int fd;
__u32 padding[6];
};
struct media_device {
int fd;
struct media_entity *entities;
unsigned int entities_count;
__u32 padding[6];
};
struct media_device *media_open(const char *name, int verbose);
void media_close(struct media_device *media);
struct media_entity_pad *media_entity_remote_source(struct media_entity_pad *pad);
static inline unsigned int media_entity_type(struct media_entity *entity)
{
return entity->info.type & MEDIA_ENTITY_TYPE_MASK;
}
struct media_entity *media_get_entity_by_name(struct media_device *media,
const char *name, size_t length);
struct media_entity *media_get_entity_by_id(struct media_device *media,
__u32 id);
int media_setup_link(struct media_device *media,
struct media_entity_pad *source, struct media_entity_pad *sink,
__u32 flags);
int media_reset_links(struct media_device *media);
#endif
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