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authorwwylele <wwylele@gmail.com>2016-12-21 19:05:56 +0100
committerwwylele <wwylele@gmail.com>2017-01-11 10:46:44 +0100
commitcf3a272332b03640730d1434e9802e166ca931da (patch)
tree7297bf1b38679cb84b5baa7c98b5b9e729560131 /src/core/frontend/camera
parentMerge pull request #2369 from MerryMage/core-frontend (diff)
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Diffstat (limited to 'src/core/frontend/camera')
-rw-r--r--src/core/frontend/camera/blank_camera.cpp31
-rw-r--r--src/core/frontend/camera/blank_camera.h28
-rw-r--r--src/core/frontend/camera/factory.cpp32
-rw-r--r--src/core/frontend/camera/factory.h41
-rw-r--r--src/core/frontend/camera/interface.cpp11
-rw-r--r--src/core/frontend/camera/interface.h61
6 files changed, 204 insertions, 0 deletions
diff --git a/src/core/frontend/camera/blank_camera.cpp b/src/core/frontend/camera/blank_camera.cpp
new file mode 100644
index 000000000..7995abcbd
--- /dev/null
+++ b/src/core/frontend/camera/blank_camera.cpp
@@ -0,0 +1,31 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/frontend/camera/blank_camera.h"
+
+namespace Camera {
+
+void BlankCamera::StartCapture() {}
+
+void BlankCamera::StopCapture() {}
+
+void BlankCamera::SetFormat(Service::CAM::OutputFormat output_format) {
+ output_rgb = output_format == Service::CAM::OutputFormat::RGB565;
+}
+
+void BlankCamera::SetResolution(const Service::CAM::Resolution& resolution) {
+ width = resolution.width;
+ height = resolution.height;
+};
+
+void BlankCamera::SetFlip(Service::CAM::Flip) {}
+
+void BlankCamera::SetEffect(Service::CAM::Effect) {}
+
+std::vector<u16> BlankCamera::ReceiveFrame() const {
+ // Note: 0x80008000 stands for two black pixels in YUV422
+ return std::vector<u16>(width * height, output_rgb ? 0 : 0x8000);
+}
+
+} // namespace Camera
diff --git a/src/core/frontend/camera/blank_camera.h b/src/core/frontend/camera/blank_camera.h
new file mode 100644
index 000000000..c6619bd88
--- /dev/null
+++ b/src/core/frontend/camera/blank_camera.h
@@ -0,0 +1,28 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/frontend/camera/factory.h"
+#include "core/frontend/camera/interface.h"
+
+namespace Camera {
+
+class BlankCamera final : public CameraInterface {
+public:
+ void StartCapture() override;
+ void StopCapture() override;
+ void SetResolution(const Service::CAM::Resolution&) override;
+ void SetFlip(Service::CAM::Flip) override;
+ void SetEffect(Service::CAM::Effect) override;
+ void SetFormat(Service::CAM::OutputFormat) override;
+ std::vector<u16> ReceiveFrame() const override;
+
+private:
+ int width = 0;
+ int height = 0;
+ bool output_rgb = false;
+};
+
+} // namespace Camera
diff --git a/src/core/frontend/camera/factory.cpp b/src/core/frontend/camera/factory.cpp
new file mode 100644
index 000000000..4b4da50dd
--- /dev/null
+++ b/src/core/frontend/camera/factory.cpp
@@ -0,0 +1,32 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <unordered_map>
+#include "common/logging/log.h"
+#include "core/frontend/camera/blank_camera.h"
+#include "core/frontend/camera/factory.h"
+
+namespace Camera {
+
+static std::unordered_map<std::string, std::unique_ptr<CameraFactory>> factories;
+
+CameraFactory::~CameraFactory() = default;
+
+void RegisterFactory(const std::string& name, std::unique_ptr<CameraFactory> factory) {
+ factories[name] = std::move(factory);
+}
+
+std::unique_ptr<CameraInterface> CreateCamera(const std::string& name, const std::string& config) {
+ auto pair = factories.find(name);
+ if (pair != factories.end()) {
+ return pair->second->Create(config);
+ }
+
+ if (name != "blank") {
+ LOG_ERROR(Service_CAM, "Unknown camera \"%s\"", name.c_str());
+ }
+ return std::make_unique<BlankCamera>();
+}
+
+} // namespace Camera
diff --git a/src/core/frontend/camera/factory.h b/src/core/frontend/camera/factory.h
new file mode 100644
index 000000000..d68be16e5
--- /dev/null
+++ b/src/core/frontend/camera/factory.h
@@ -0,0 +1,41 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include "core/frontend/camera/interface.h"
+
+namespace Camera {
+
+class CameraFactory {
+public:
+ virtual ~CameraFactory();
+
+ /**
+ * Creates a camera object based on the configuration string.
+ * @params config Configuration string to create the camera. The implementation can decide the
+ * meaning of this string.
+ * @returns a unique_ptr to the created camera object.
+ */
+ virtual std::unique_ptr<CameraInterface> Create(const std::string& config) const = 0;
+};
+
+/**
+ * Registers an external camera factory.
+ * @param name Identifier of the camera factory.
+ * @param factory Camera factory to register.
+ */
+void RegisterFactory(const std::string& name, std::unique_ptr<CameraFactory> factory);
+
+/**
+ * Creates a camera from the factory.
+ * @param name Identifier of the camera factory.
+ * @param config Configuration string to create the camera. The meaning of this string is
+ * defined by the factory.
+ */
+std::unique_ptr<CameraInterface> CreateCamera(const std::string& name, const std::string& config);
+
+} // namespace Camera
diff --git a/src/core/frontend/camera/interface.cpp b/src/core/frontend/camera/interface.cpp
new file mode 100644
index 000000000..9aec9e7f1
--- /dev/null
+++ b/src/core/frontend/camera/interface.cpp
@@ -0,0 +1,11 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/frontend/camera/interface.h"
+
+namespace Camera {
+
+CameraInterface::~CameraInterface() = default;
+
+} // namespace Camera
diff --git a/src/core/frontend/camera/interface.h b/src/core/frontend/camera/interface.h
new file mode 100644
index 000000000..a55a495c9
--- /dev/null
+++ b/src/core/frontend/camera/interface.h
@@ -0,0 +1,61 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+#include "common/common_types.h"
+#include "core/hle/service/cam/cam.h"
+
+namespace Camera {
+
+/// An abstract class standing for a camera. All camera implementations should inherit from this.
+class CameraInterface {
+public:
+ virtual ~CameraInterface();
+
+ /// Starts the camera for video capturing.
+ virtual void StartCapture() = 0;
+
+ /// Stops the camera for video capturing.
+ virtual void StopCapture() = 0;
+
+ /**
+ * Sets the video resolution from raw CAM service parameters.
+ * For the meaning of the parameters, please refer to Service::CAM::Resolution. Note that the
+ * actual camera implementation doesn't need to respect all the parameters. However, the width
+ * and the height parameters must be respected and be used to determine the size of output
+ * frames.
+ * @param resolution The resolution parameters to set
+ */
+ virtual void SetResolution(const Service::CAM::Resolution& resolution) = 0;
+
+ /**
+ * Configures how received frames should be flipped by the camera.
+ * @param flip Flip applying to the frame
+ */
+ virtual void SetFlip(Service::CAM::Flip flip) = 0;
+
+ /**
+ * Configures what effect should be applied to received frames by the camera.
+ * @param effect Effect applying to the frame
+ */
+ virtual void SetEffect(Service::CAM::Effect effect) = 0;
+
+ /**
+ * Sets the output format of the all frames received after this function is called.
+ * @param format Output format of the frame
+ */
+ virtual void SetFormat(Service::CAM::OutputFormat format) = 0;
+
+ /**
+ * Receives a frame from the camera.
+ * This function should be only called between a StartCapture call and a StopCapture call.
+ * @returns A std::vector<u16> containing pixels. The total size of the vector is width * height
+ * where width and height are set by a call to SetResolution.
+ */
+ virtual std::vector<u16> ReceiveFrame() const = 0;
+};
+
+} // namespace Camera