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authorDavid Plowman <david.plowman@raspberrypi.com>2020-09-07 08:15:59 +0100
committerKieran Bingham <kieran.bingham@ideasonboard.com>2020-09-29 11:43:06 +0100
commit78cbd6a93fbb49a20b97793b925769eefb52e516 (patch)
tree4a95407d8f764ff61cf4bd8efb8aaa4c4e1a567c /include
parentedf19e4c72842704933c66f519e708107a14c47b (diff)
libcamera: Add BayerFormat type
This type encodes BayerFormats in an explicit way, that makes them easier to use than some of the other more opaque type formats. This makes the BayerFormat useful for editing or manipulating Bayer types more easily. Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'include')
-rw-r--r--include/libcamera/internal/bayer_format.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/include/libcamera/internal/bayer_format.h b/include/libcamera/internal/bayer_format.h
new file mode 100644
index 00000000..4280b76b
--- /dev/null
+++ b/include/libcamera/internal/bayer_format.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2020, Raspberry Pi (Trading) Ltd.
+ *
+ * bayer_format.h - Bayer Pixel Format
+ */
+#ifndef __LIBCAMERA_INTERNAL_BAYER_FORMAT_H__
+#define __LIBCAMERA_INTERNAL_BAYER_FORMAT_H__
+
+#include <stdint.h>
+#include <string>
+
+#include "libcamera/internal/v4l2_pixelformat.h"
+
+namespace libcamera {
+
+enum class Transform;
+
+class BayerFormat
+{
+public:
+ enum Order : uint8_t {
+ BGGR = 0,
+ GBRG = 1,
+ GRBG = 2,
+ RGGB = 3
+ };
+
+ enum Packing : uint16_t {
+ None = 0,
+ CSI2Packed = 1,
+ IPU3Packed = 2,
+ };
+
+ constexpr BayerFormat()
+ : order(Order::BGGR), bitDepth(0), packing(Packing::None)
+ {
+ }
+
+ constexpr BayerFormat(Order o, uint8_t b, Packing p)
+ : order(o), bitDepth(b), packing(p)
+ {
+ }
+
+ explicit BayerFormat(V4L2PixelFormat v4l2Format);
+ bool isValid() const { return bitDepth != 0; }
+
+ std::string toString() const;
+
+ V4L2PixelFormat toV4L2PixelFormat() const;
+ BayerFormat transform(Transform t) const;
+
+ Order order;
+ uint8_t bitDepth;
+
+ Packing packing;
+};
+
+} /* namespace libcamera */
+
+#endif /* __LIBCAMERA_INTERNAL_BAYER_FORMAT_H__ */