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-rw-r--r--src/cam/kms_sink.h74
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diff --git a/src/cam/kms_sink.h b/src/cam/kms_sink.h
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2021, Ideas on Board Oy
+ *
+ * kms_sink.h - KMS Sink
+ */
+#ifndef __CAM_KMS_SINK_H__
+#define __CAM_KMS_SINK_H__
+
+#include <list>
+#include <memory>
+#include <mutex>
+#include <string>
+#include <utility>
+
+#include <libcamera/base/signal.h>
+
+#include <libcamera/geometry.h>
+#include <libcamera/pixel_format.h>
+
+#include "drm.h"
+#include "frame_sink.h"
+
+class KMSSink : public FrameSink
+{
+public:
+ KMSSink(const std::string &connectorName);
+
+ void mapBuffer(libcamera::FrameBuffer *buffer) override;
+
+ int configure(const libcamera::CameraConfiguration &config) override;
+ int start() override;
+ int stop() override;
+
+ bool processRequest(libcamera::Request *request) override;
+
+private:
+ class Request
+ {
+ public:
+ Request(DRM::AtomicRequest *drmRequest, libcamera::Request *camRequest)
+ : drmRequest_(drmRequest), camRequest_(camRequest)
+ {
+ }
+
+ std::unique_ptr<DRM::AtomicRequest> drmRequest_;
+ libcamera::Request *camRequest_;
+ };
+
+ int configurePipeline(const libcamera::PixelFormat &format);
+ void requestComplete(DRM::AtomicRequest *request);
+
+ DRM::Device dev_;
+
+ const DRM::Connector *connector_;
+ const DRM::Crtc *crtc_;
+ const DRM::Plane *plane_;
+ const DRM::Mode *mode_;
+
+ libcamera::PixelFormat format_;
+ libcamera::Size size_;
+ unsigned int stride_;
+
+ bool planeInitialized_;
+
+ std::map<libcamera::FrameBuffer *, std::unique_ptr<DRM::FrameBuffer>> buffers_;
+
+ std::mutex lock_;
+ std::unique_ptr<Request> pending_;
+ std::unique_ptr<Request> queued_;
+ std::unique_ptr<Request> active_;
+};
+
+#endif /* __CAM_KMS_SINK_H__ */