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-rw-r--r--include/libcamera/internal/camera.h63
-rw-r--r--include/libcamera/internal/meson.build1
2 files changed, 64 insertions, 0 deletions
diff --git a/include/libcamera/internal/camera.h b/include/libcamera/internal/camera.h
new file mode 100644
index 00000000..9ef5d8ae
--- /dev/null
+++ b/include/libcamera/internal/camera.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021, Google Inc.
+ *
+ * camera.h - Camera private data
+ */
+#ifndef __LIBCAMERA_INTERNAL_CAMERA_H__
+#define __LIBCAMERA_INTERNAL_CAMERA_H__
+
+#include <atomic>
+#include <memory>
+#include <set>
+#include <string>
+
+#include <libcamera/base/class.h>
+
+#include <libcamera/camera.h>
+
+namespace libcamera {
+
+class PipelineHandler;
+class Stream;
+
+class Camera::Private : public Extensible::Private
+{
+ LIBCAMERA_DECLARE_PUBLIC(Camera)
+
+public:
+ enum State {
+ CameraAvailable,
+ CameraAcquired,
+ CameraConfigured,
+ CameraStopping,
+ CameraRunning,
+ };
+
+ Private(PipelineHandler *pipe, const std::string &id,
+ const std::set<Stream *> &streams);
+ ~Private();
+
+ bool isRunning() const;
+ int isAccessAllowed(State state, bool allowDisconnected = false,
+ const char *from = __builtin_FUNCTION()) const;
+ int isAccessAllowed(State low, State high,
+ bool allowDisconnected = false,
+ const char *from = __builtin_FUNCTION()) const;
+
+ void disconnect();
+ void setState(State state);
+
+ std::shared_ptr<PipelineHandler> pipe_;
+ std::string id_;
+ std::set<Stream *> streams_;
+ std::set<const Stream *> activeStreams_;
+
+private:
+ bool disconnected_;
+ std::atomic<State> state_;
+};
+
+} /* namespace libcamera */
+
+#endif /* __LIBCAMERA_INTERNAL_CAMERA_H__ */
diff --git a/include/libcamera/internal/meson.build b/include/libcamera/internal/meson.build
index 6d4eb7ed..dac1a2d3 100644
--- a/include/libcamera/internal/meson.build
+++ b/include/libcamera/internal/meson.build
@@ -12,6 +12,7 @@ libcamera_tracepoint_header = custom_target(
libcamera_internal_headers = files([
'bayer_format.h',
'byte_stream_buffer.h',
+ 'camera.h',
'camera_controls.h',
'camera_sensor.h',
'camera_sensor_properties.h',