mirror of https://git.suyu.dev/suyu/suyu
CAM: implement basic camera functions with a blank camera
wwylele
parent
51dd13b8a0
commit
cf3a272332
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/frontend/camera/blank_camera.h"
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namespace Camera {
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void BlankCamera::StartCapture() {}
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void BlankCamera::StopCapture() {}
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void BlankCamera::SetFormat(Service::CAM::OutputFormat output_format) {
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output_rgb = output_format == Service::CAM::OutputFormat::RGB565;
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}
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void BlankCamera::SetResolution(const Service::CAM::Resolution& resolution) {
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width = resolution.width;
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height = resolution.height;
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};
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void BlankCamera::SetFlip(Service::CAM::Flip) {}
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void BlankCamera::SetEffect(Service::CAM::Effect) {}
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std::vector<u16> BlankCamera::ReceiveFrame() const {
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// Note: 0x80008000 stands for two black pixels in YUV422
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return std::vector<u16>(width * height, output_rgb ? 0 : 0x8000);
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}
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} // namespace Camera
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "core/frontend/camera/factory.h"
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#include "core/frontend/camera/interface.h"
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namespace Camera {
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class BlankCamera final : public CameraInterface {
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public:
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void StartCapture() override;
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void StopCapture() override;
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void SetResolution(const Service::CAM::Resolution&) override;
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void SetFlip(Service::CAM::Flip) override;
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void SetEffect(Service::CAM::Effect) override;
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void SetFormat(Service::CAM::OutputFormat) override;
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std::vector<u16> ReceiveFrame() const override;
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private:
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int width = 0;
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int height = 0;
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bool output_rgb = false;
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};
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} // namespace Camera
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <unordered_map>
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#include "common/logging/log.h"
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#include "core/frontend/camera/blank_camera.h"
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#include "core/frontend/camera/factory.h"
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namespace Camera {
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static std::unordered_map<std::string, std::unique_ptr<CameraFactory>> factories;
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CameraFactory::~CameraFactory() = default;
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void RegisterFactory(const std::string& name, std::unique_ptr<CameraFactory> factory) {
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factories[name] = std::move(factory);
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}
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std::unique_ptr<CameraInterface> CreateCamera(const std::string& name, const std::string& config) {
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auto pair = factories.find(name);
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if (pair != factories.end()) {
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return pair->second->Create(config);
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}
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if (name != "blank") {
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LOG_ERROR(Service_CAM, "Unknown camera \"%s\"", name.c_str());
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}
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return std::make_unique<BlankCamera>();
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}
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} // namespace Camera
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <string>
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#include "core/frontend/camera/interface.h"
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namespace Camera {
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class CameraFactory {
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public:
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virtual ~CameraFactory();
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/**
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* Creates a camera object based on the configuration string.
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* @params config Configuration string to create the camera. The implementation can decide the
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* meaning of this string.
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* @returns a unique_ptr to the created camera object.
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*/
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virtual std::unique_ptr<CameraInterface> Create(const std::string& config) const = 0;
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};
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/**
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* Registers an external camera factory.
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* @param name Identifier of the camera factory.
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* @param factory Camera factory to register.
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*/
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void RegisterFactory(const std::string& name, std::unique_ptr<CameraFactory> factory);
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/**
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* Creates a camera from the factory.
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* @param name Identifier of the camera factory.
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* @param config Configuration string to create the camera. The meaning of this string is
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* defined by the factory.
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*/
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std::unique_ptr<CameraInterface> CreateCamera(const std::string& name, const std::string& config);
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} // namespace Camera
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/frontend/camera/interface.h"
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namespace Camera {
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CameraInterface::~CameraInterface() = default;
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} // namespace Camera
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <vector>
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#include "common/common_types.h"
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#include "core/hle/service/cam/cam.h"
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namespace Camera {
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/// An abstract class standing for a camera. All camera implementations should inherit from this.
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class CameraInterface {
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public:
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virtual ~CameraInterface();
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/// Starts the camera for video capturing.
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virtual void StartCapture() = 0;
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/// Stops the camera for video capturing.
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virtual void StopCapture() = 0;
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/**
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* Sets the video resolution from raw CAM service parameters.
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* For the meaning of the parameters, please refer to Service::CAM::Resolution. Note that the
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* actual camera implementation doesn't need to respect all the parameters. However, the width
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* and the height parameters must be respected and be used to determine the size of output
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* frames.
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* @param resolution The resolution parameters to set
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*/
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virtual void SetResolution(const Service::CAM::Resolution& resolution) = 0;
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/**
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* Configures how received frames should be flipped by the camera.
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* @param flip Flip applying to the frame
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*/
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virtual void SetFlip(Service::CAM::Flip flip) = 0;
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/**
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* Configures what effect should be applied to received frames by the camera.
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* @param effect Effect applying to the frame
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*/
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virtual void SetEffect(Service::CAM::Effect effect) = 0;
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/**
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* Sets the output format of the all frames received after this function is called.
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* @param format Output format of the frame
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*/
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virtual void SetFormat(Service::CAM::OutputFormat format) = 0;
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/**
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* Receives a frame from the camera.
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* This function should be only called between a StartCapture call and a StopCapture call.
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* @returns A std::vector<u16> containing pixels. The total size of the vector is width * height
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* where width and height are set by a call to SetResolution.
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*/
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virtual std::vector<u16> ReceiveFrame() const = 0;
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};
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} // namespace Camera
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