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Diffstat (limited to 'modules/camera/buffer_decoder.h')
| -rw-r--r-- | modules/camera/buffer_decoder.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/modules/camera/buffer_decoder.h b/modules/camera/buffer_decoder.h new file mode 100644 index 0000000000..97cc66b6da --- /dev/null +++ b/modules/camera/buffer_decoder.h @@ -0,0 +1,116 @@ +/**************************************************************************/ +/* buffer_decoder.h */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* 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 BUFFER_DECODER_H +#define BUFFER_DECODER_H + +#include "core/io/image.h" +#include "core/templates/vector.h" + +class CameraFeed; + +struct StreamingBuffer { + void *start = nullptr; + size_t length = 0; +}; + +class BufferDecoder { +protected: + CameraFeed *camera_feed = nullptr; + Ref<Image> image; + int width = 0; + int height = 0; + +public: + virtual void decode(StreamingBuffer p_buffer) = 0; + + BufferDecoder(CameraFeed *p_camera_feed); + virtual ~BufferDecoder() {} +}; + +class AbstractYuyvBufferDecoder : public BufferDecoder { +protected: + int *component_indexes = nullptr; + +public: + AbstractYuyvBufferDecoder(CameraFeed *p_camera_feed); + ~AbstractYuyvBufferDecoder(); +}; + +class SeparateYuyvBufferDecoder : public AbstractYuyvBufferDecoder { +private: + Vector<uint8_t> y_image_data; + Vector<uint8_t> cbcr_image_data; + Ref<Image> y_image; + Ref<Image> cbcr_image; + +public: + SeparateYuyvBufferDecoder(CameraFeed *p_camera_feed); + virtual void decode(StreamingBuffer p_buffer) override; +}; + +class YuyvToGrayscaleBufferDecoder : public AbstractYuyvBufferDecoder { +private: + Vector<uint8_t> image_data; + +public: + YuyvToGrayscaleBufferDecoder(CameraFeed *p_camera_feed); + virtual void decode(StreamingBuffer p_buffer) override; +}; + +class YuyvToRgbBufferDecoder : public AbstractYuyvBufferDecoder { +private: + Vector<uint8_t> image_data; + +public: + YuyvToRgbBufferDecoder(CameraFeed *p_camera_feed); + virtual void decode(StreamingBuffer p_buffer) override; +}; + +class CopyBufferDecoder : public BufferDecoder { +private: + Vector<uint8_t> image_data; + bool rgba = false; + +public: + CopyBufferDecoder(CameraFeed *p_camera_feed, bool p_rgba); + virtual void decode(StreamingBuffer p_buffer) override; +}; + +class JpegBufferDecoder : public BufferDecoder { +private: + Vector<uint8_t> image_data; + +public: + JpegBufferDecoder(CameraFeed *p_camera_feed); + virtual void decode(StreamingBuffer p_buffer) override; +}; + +#endif // BUFFER_DECODER_H |