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/*
* Xilinx Video Library - Internal API
*
* Copyright (C) 2014-2016 Ideas on board Oy
*
* Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* This library 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.
*/
#ifndef __XLNX_PRIV_H__
#define __XLNX_PRIV_H__
/** \cond INTERNAL_API */
#include <stdbool.h>
#include <stdlib.h>
#include <xlnx-list.h>
#include <xlnx-video.h>
struct media_device;
struct media_entity;
struct media_entity_desc;
/**
* \brief Xilinx video entity in a component
*/
struct xlnx_video_entity {
/** Entities list */
struct list_entry list;
/** Media entity */
struct media_entity *entity;
/** Media entity information */
const struct media_entity_desc *info;
/** Indicates whether this is the last entity in the component */
bool last;
};
/**
* \brief Xilinx video component
*/
struct xlnx_video_component {
/** The library context */
struct xlnx_video *xv;
/** List entry in the context's components list */
struct list_entry list;
/** List of video entities in the component */
struct list_entry entities;
/** Component type */
enum xlnx_video_component_type type;
/** Component name */
const char *name;
/**
* Entity at the input of the component (NULL if the component has no
* input entity).
*/
struct xlnx_video_entity *input;
/**
* Entity at the output of the component (NULL if the component has no
* output entity).
*/
struct xlnx_video_entity *output;
};
/**
* \brief Xilinx video library context
*/
struct xlnx_video {
/** List of video components in the system */
struct list_entry components;
/** Number of components in the components list */
unsigned int num_components;
/** List of loaded plugins */
struct list_entry plugins;
/** Event handler operations */
const struct xlnx_video_event_operations *event_ops;
/** Event handler private data */
void *event_handler;
/** Log level for library messages */
enum xlnx_log_level log_level;
};
int xlnx_video_plugin_init(struct xlnx_video *xv);
void xlnx_video_plugin_fini(struct xlnx_video *xv);
struct xlnx_video_component *xlnx_video_plugin_scan(struct xlnx_video *xv,
struct media_device *mdev);
void xlnx_video_log_print(struct xlnx_video *xv, unsigned int level,
const char *func, const char *fmt, ...);
#define xlnx_dbg(xv, fmt...) \
xlnx_video_log_print(xv, XLNX_LOG_DEBUG, __func__, fmt)
/** \endcond INTERNAL_API */
#endif /* __XLNX_PRIV_H__ */
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