1 files changed, 84 insertions, 0 deletions
diff --git a/src/android/camera_buffer.h b/src/android/camera_buffer.h
new file mode 100644
index 00000000..96669962
--- /dev/null
+++ b/src/android/camera_buffer.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021, Google Inc.
+ *
+ * Frame buffer handling interface definition
+ */
+
+#pragma once
+
+#include <hardware/camera3.h>
+
+#include <libcamera/base/class.h>
+#include <libcamera/base/span.h>
+#include <libcamera/geometry.h>
+#include <libcamera/pixel_format.h>
+
+class CameraBuffer final : public libcamera::Extensible
+{
+	LIBCAMERA_DECLARE_PRIVATE()
+
+public:
+	CameraBuffer(buffer_handle_t camera3Buffer,
+		     libcamera::PixelFormat pixelFormat,
+		     const libcamera::Size &size, int flags);
+	~CameraBuffer();
+
+	bool isValid() const;
+
+	unsigned int numPlanes() const;
+
+	libcamera::Span<const uint8_t> plane(unsigned int plane) const;
+	libcamera::Span<uint8_t> plane(unsigned int plane);
+
+	unsigned int stride(unsigned int plane) const;
+	unsigned int offset(unsigned int plane) const;
+	unsigned int size(unsigned int plane) const;
+
+	size_t jpegBufferSize(size_t maxJpegBufferSize) const;
+};
+
+#define PUBLIC_CAMERA_BUFFER_IMPLEMENTATION				\
+CameraBuffer::CameraBuffer(buffer_handle_t camera3Buffer,		\
+			   libcamera::PixelFormat pixelFormat,		\
+			   const libcamera::Size &size, int flags)	\
+	: Extensible(std::make_unique<Private>(this, camera3Buffer,	\
+					       pixelFormat, size,	\
+					       flags))			\
+{									\
+}									\
+CameraBuffer::~CameraBuffer()						\
+{									\
+}									\
+bool CameraBuffer::isValid() const					\
+{									\
+	return _d()->isValid();						\
+}									\
+unsigned int CameraBuffer::numPlanes() const				\
+{									\
+	return _d()->numPlanes();					\
+}									\
+Span<const uint8_t> CameraBuffer::plane(unsigned int plane) const	\
+{									\
+	return const_cast<Private *>(_d())->plane(plane);		\
+}									\
+Span<uint8_t> CameraBuffer::plane(unsigned int plane)			\
+{									\
+	return _d()->plane(plane);					\
+}									\
+unsigned int CameraBuffer::stride(unsigned int plane) const		\
+{									\
+	return _d()->stride(plane);					\
+}									\
+unsigned int CameraBuffer::offset(unsigned int plane) const		\
+{									\
+	return _d()->offset(plane);					\
+}									\
+unsigned int CameraBuffer::size(unsigned int plane) const		\
+{									\
+	return _d()->size(plane);					\
+}									\
+size_t CameraBuffer::jpegBufferSize(size_t maxJpegBufferSize) const	\
+{									\
+	return _d()->jpegBufferSize(maxJpegBufferSize);			\
+}