95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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//
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// Copyright (C) 2020 Intel Corporation
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#ifndef OPENCV_GAPI_GSTREAMING_FORMAT_HPP
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#define OPENCV_GAPI_GSTREAMING_FORMAT_HPP
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#include <opencv2/gapi/gkernel.hpp> // GKernelPackage
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namespace cv {
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namespace gapi {
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namespace streaming {
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GAPI_EXPORTS cv::gapi::GKernelPackage kernels();
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G_API_OP(GBGR, <GMat(GFrame)>, "org.opencv.streaming.BGR")
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{
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static GMatDesc outMeta(const GFrameDesc& in) { return GMatDesc{CV_8U, 3, in.size}; }
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};
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G_API_OP(GY, <GMat(GFrame)>, "org.opencv.streaming.Y") {
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static GMatDesc outMeta(const GFrameDesc& frameDesc) {
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return GMatDesc { CV_8U, 1, frameDesc.size , false };
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}
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};
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G_API_OP(GUV, <GMat(GFrame)>, "org.opencv.streaming.UV") {
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static GMatDesc outMeta(const GFrameDesc& frameDesc) {
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return GMatDesc { CV_8U, 2, cv::Size(frameDesc.size.width / 2, frameDesc.size.height / 2),
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false };
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}
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};
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/** @brief Gets bgr plane from input frame
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@note Function textual ID is "org.opencv.streaming.BGR"
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@param in Input frame
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@return Image in BGR format
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*/
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GAPI_EXPORTS cv::GMat BGR(const cv::GFrame& in);
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/** @brief Extracts Y plane from media frame.
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Output image is 8-bit 1-channel image of @ref CV_8UC1.
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@note Function textual ID is "org.opencv.streaming.Y"
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@param frame input media frame.
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*/
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GAPI_EXPORTS GMat Y(const cv::GFrame& frame);
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/** @brief Extracts UV plane from media frame.
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Output image is 8-bit 2-channel image of @ref CV_8UC2.
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@note Function textual ID is "org.opencv.streaming.UV"
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@param frame input media frame.
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*/
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GAPI_EXPORTS GMat UV(const cv::GFrame& frame);
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} // namespace streaming
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//! @addtogroup gapi_transform
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//! @{
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/** @brief Makes a copy of the input image. Note that this copy may be not real
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(no actual data copied). Use this function to maintain graph contracts,
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e.g when graph's input needs to be passed directly to output, like in Streaming mode.
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@note Function textual ID is "org.opencv.streaming.copy"
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@param in Input image
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@return Copy of the input
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*/
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GAPI_EXPORTS_W GMat copy(const GMat& in);
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/** @brief Makes a copy of the input frame. Note that this copy may be not real
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(no actual data copied). Use this function to maintain graph contracts,
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e.g when graph's input needs to be passed directly to output, like in Streaming mode.
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@note Function textual ID is "org.opencv.streaming.copy"
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@param in Input frame
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@return Copy of the input
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*/
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GAPI_EXPORTS GFrame copy(const GFrame& in);
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//! @} gapi_transform
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} // namespace gapi
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} // namespace cv
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#endif // OPENCV_GAPI_GSTREAMING_FORMAT_HPP
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