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https://git.libcamera.org/libcamera/libcamera.git
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f1721c2f9f
Provide a MediaPipeline class to help identifing and managing pipelines across a MediaDevice graph. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2024, Ideas on Board Oy
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*
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* Media pipeline support
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*/
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#pragma once
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#include <list>
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#include <string>
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#include <libcamera/base/log.h>
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namespace libcamera {
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class CameraSensor;
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class MediaEntity;
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class MediaLink;
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class MediaPad;
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struct V4L2SubdeviceFormat;
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class MediaPipeline
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{
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public:
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int init(MediaEntity *source, std::string_view sink);
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int initLinks();
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int configure(CameraSensor *sensor, V4L2SubdeviceFormat *);
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private:
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struct Entity {
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/* The media entity, always valid. */
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MediaEntity *entity;
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/*
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* Whether or not the entity is a subdev that supports the
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* routing API.
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*/
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bool supportsRouting;
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/*
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* The local sink pad connected to the upstream entity, null for
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* the camera sensor at the beginning of the pipeline.
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*/
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const MediaPad *sink;
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/*
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* The local source pad connected to the downstream entity, null
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* for the video node at the end of the pipeline.
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*/
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const MediaPad *source;
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/*
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* The link on the source pad, to the downstream entity, null
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* for the video node at the end of the pipeline.
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*/
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MediaLink *sourceLink;
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};
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std::list<Entity> entities_;
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};
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} /* namespace libcamera */
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