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/**************************************************************************/
/* camera_feed.h */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef CAMERA_FEED_H
#define CAMERA_FEED_H
#include "core/io/image.h"
#include "core/math/transform_2d.h"
#include "servers/camera_server.h"
#include "servers/rendering_server.h"
/**
The camera server is a singleton object that gives access to the various
camera feeds that can be used as the background for our environment.
**/
class CameraFeed : public RefCounted {
GDCLASS(CameraFeed, RefCounted);
public:
enum FeedDataType {
FEED_NOIMAGE, // we don't have an image yet
FEED_RGB, // our texture will contain a normal RGB texture that can be used directly
FEED_YCBCR, // our texture will contain a YCbCr texture that needs to be converted to RGB before output
FEED_YCBCR_SEP // our camera is split into two textures, first plane contains Y data, second plane contains CbCr data
};
enum FeedPosition {
FEED_UNSPECIFIED, // we have no idea
FEED_FRONT, // this is a camera on the front of the device
FEED_BACK // this is a camera on the back of the device
};
private:
int id; // unique id for this, for internal use in case feeds are removed
protected:
struct FeedFormat {
int width = 0;
int height = 0;
String format;
int frame_numerator = 0;
int frame_denominator = 0;
uint32_t pixel_format = 0;
};
String name; // name of our camera feed
FeedDataType datatype; // type of texture data stored
FeedPosition position; // position of camera on the device
Transform2D transform; // display transform
int base_width = 0;
int base_height = 0;
Vector<FeedFormat> formats;
Dictionary parameters;
int selected_format = -1;
bool active; // only when active do we actually update the camera texture each frame
RID texture[CameraServer::FEED_IMAGES]; // texture images needed for this
static void _bind_methods();
public:
int get_id() const;
bool is_active() const;
void set_active(bool p_is_active);
String get_name() const;
void set_name(String p_name);
int get_base_width() const;
int get_base_height() const;
FeedPosition get_position() const;
void set_position(FeedPosition p_position);
Transform2D get_transform() const;
void set_transform(const Transform2D &p_transform);
RID get_texture(CameraServer::FeedImage p_which);
CameraFeed();
CameraFeed(String p_name, FeedPosition p_position = CameraFeed::FEED_UNSPECIFIED);
virtual ~CameraFeed();
FeedDataType get_datatype() const;
void set_rgb_image(const Ref<Image> &p_rgb_img);
void set_ycbcr_image(const Ref<Image> &p_ycbcr_img);
void set_ycbcr_images(const Ref<Image> &p_y_img, const Ref<Image> &p_cbcr_img);
virtual bool set_format(int p_index, const Dictionary &p_parameters);
virtual Array get_formats() const;
virtual FeedFormat get_format() const;
virtual bool activate_feed();
virtual void deactivate_feed();
};
VARIANT_ENUM_CAST(CameraFeed::FeedDataType);
VARIANT_ENUM_CAST(CameraFeed::FeedPosition);
#endif // CAMERA_FEED_H
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