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47 lines
1.7 KiB
47 lines
1.7 KiB
// 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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#ifndef OPENCV_VIDEOIO_REGISTRY_HPP |
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#define OPENCV_VIDEOIO_REGISTRY_HPP |
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#include <opencv2/videoio.hpp> |
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namespace cv { namespace videoio_registry { |
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/** @addtogroup videoio_registry |
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This section contains API description how to query/configure available Video I/O backends. |
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Runtime configuration options: |
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- enable debug mode: `OPENCV_VIDEOIO_DEBUG=1` |
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- change backend priority: `OPENCV_VIDEOIO_PRIORITY_<backend>=9999` |
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- disable backend: `OPENCV_VIDEOIO_PRIORITY_<backend>=0` |
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- specify list of backends with high priority (>100000): `OPENCV_VIDEOIO_PRIORITY_LIST=FFMPEG,GSTREAMER` |
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@{ |
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*/ |
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/** @brief Returns backend API name or "UnknownVideoAPI(xxx)" |
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@param api backend ID (#VideoCaptureAPIs) |
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*/ |
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CV_EXPORTS_W cv::String getBackendName(VideoCaptureAPIs api); |
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/** @brief Returns list of all available backends */ |
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CV_EXPORTS_W std::vector<VideoCaptureAPIs> getBackends(); |
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/** @brief Returns list of available backends which works via `cv::VideoCapture(int index)` */ |
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CV_EXPORTS_W std::vector<VideoCaptureAPIs> getCameraBackends(); |
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/** @brief Returns list of available backends which works via `cv::VideoCapture(filename)` */ |
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CV_EXPORTS_W std::vector<VideoCaptureAPIs> getStreamBackends(); |
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/** @brief Returns list of available backends which works via `cv::VideoWriter()` */ |
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CV_EXPORTS_W std::vector<VideoCaptureAPIs> getWriterBackends(); |
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/** @brief Returns true if backend is available */ |
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CV_EXPORTS bool hasBackend(VideoCaptureAPIs api); |
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//! @} |
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}} // namespace |
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#endif // OPENCV_VIDEOIO_REGISTRY_HPP
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