Kieran Bingham
27aff949fb
Move the functionality for the following components to the new base support library: - BoundMethod - EventDispatcher - EventDispatcherPoll - Log - Message - Object - Signal - Semaphore - Thread - Timer While it would be preferable to see these split to move one component per commit, these components are all interdependent upon each other, which leaves us with one big change performing the move for all of them. Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2020, Laurent Pinchart
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*
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* converter.h - Format converter for simple pipeline handler
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*/
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#ifndef __LIBCAMERA_PIPELINE_SIMPLE_CONVERTER_H__
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#define __LIBCAMERA_PIPELINE_SIMPLE_CONVERTER_H__
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#include <functional>
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#include <map>
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#include <memory>
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#include <string>
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#include <tuple>
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#include <vector>
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#include <libcamera/pixel_format.h>
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#include <libcamera/base/log.h>
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#include <libcamera/base/signal.h>
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namespace libcamera {
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class FrameBuffer;
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class MediaDevice;
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class Size;
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class SizeRange;
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struct StreamConfiguration;
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class V4L2M2MDevice;
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class SimpleConverter
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{
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public:
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SimpleConverter(MediaDevice *media);
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bool isValid() const { return m2m_ != nullptr; }
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std::vector<PixelFormat> formats(PixelFormat input);
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SizeRange sizes(const Size &input);
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std::tuple<unsigned int, unsigned int>
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strideAndFrameSize(const PixelFormat &pixelFormat, const Size &size);
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int configure(const StreamConfiguration &inputCfg,
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const std::vector<std::reference_wrapper<StreamConfiguration>> &outputCfg);
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int exportBuffers(unsigned int ouput, unsigned int count,
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std::vector<std::unique_ptr<FrameBuffer>> *buffers);
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int start();
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void stop();
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int queueBuffers(FrameBuffer *input,
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const std::map<unsigned int, FrameBuffer *> &outputs);
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Signal<FrameBuffer *> inputBufferReady;
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Signal<FrameBuffer *> outputBufferReady;
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private:
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class Stream : protected Loggable
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{
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public:
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Stream(SimpleConverter *converter, unsigned int index);
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bool isValid() const { return m2m_ != nullptr; }
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int configure(const StreamConfiguration &inputCfg,
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const StreamConfiguration &outputCfg);
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int exportBuffers(unsigned int count,
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std::vector<std::unique_ptr<FrameBuffer>> *buffers);
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int start();
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void stop();
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int queueBuffers(FrameBuffer *input, FrameBuffer *output);
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protected:
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std::string logPrefix() const override;
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private:
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void captureBufferReady(FrameBuffer *buffer);
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void outputBufferReady(FrameBuffer *buffer);
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SimpleConverter *converter_;
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unsigned int index_;
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std::unique_ptr<V4L2M2MDevice> m2m_;
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unsigned int inputBufferCount_;
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unsigned int outputBufferCount_;
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};
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std::string deviceNode_;
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std::unique_ptr<V4L2M2MDevice> m2m_;
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std::vector<Stream> streams_;
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std::map<FrameBuffer *, unsigned int> queue_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_PIPELINE_SIMPLE_CONVERTER_H__ */
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