feat: updated engine version to 4.4-rc1
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5459 changed files with 1128836 additions and 198305 deletions
78
engine/modules/camera/camera_feed_linux.h
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78
engine/modules/camera/camera_feed_linux.h
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/**************************************************************************/
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/* camera_feed_linux.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef CAMERA_FEED_LINUX_H
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#define CAMERA_FEED_LINUX_H
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#include "buffer_decoder.h"
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#include "core/os/thread.h"
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#include "servers/camera/camera_feed.h"
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#include <linux/videodev2.h>
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struct StreamingBuffer;
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class CameraFeedLinux : public CameraFeed {
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private:
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SafeFlag exit_flag;
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Thread *thread = nullptr;
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String device_name;
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int file_descriptor = -1;
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StreamingBuffer *buffers = nullptr;
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unsigned int buffer_count = 0;
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BufferDecoder *buffer_decoder = nullptr;
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static void update_buffer_thread_func(void *p_func);
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void _update_buffer();
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void _query_device(const String &p_device_name);
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void _add_format(v4l2_fmtdesc description, v4l2_frmsize_discrete size, int frame_numerator, int frame_denominator);
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bool _request_buffers();
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bool _start_capturing();
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void _read_frame();
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void _stop_capturing();
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void _unmap_buffers(unsigned int p_count);
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BufferDecoder *_create_buffer_decoder();
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void _start_thread();
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public:
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String get_device_name() const;
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bool activate_feed();
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void deactivate_feed();
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bool set_format(int p_index, const Dictionary &p_parameters);
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Array get_formats() const;
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FeedFormat get_format() const;
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CameraFeedLinux(const String &p_device_name);
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virtual ~CameraFeedLinux();
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};
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#endif // CAMERA_FEED_LINUX_H
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