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libcamera: ipa: Raspberry Pi IPA

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Initial implementation of the Raspberry Pi (BCM2835) libcamera IPA and
associated libraries.

All code is licensed under the BSD-2-Clause terms.
Copyright (c) 2019-2020 Raspberry Pi Trading Ltd.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck
2020-05-03 16:48:42 +01:00
committed by Laurent Pinchart
parent 740fd1b62f
commit 0db2c8dc75
69 changed files with 8242 additions and 0 deletions
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src/ipa/raspberrypi/controller/contrast_status.h
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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2019, Raspberry Pi (Trading) Limited
*
* contrast_status.h - contrast (gamma) control algorithm status
*/
#pragma once
// The "contrast" algorithm creates a gamma curve, optionally doing a little bit
// of contrast stretching based on the AGC histogram.
#ifdef __cplusplus
extern "C" {
#endif
#define CONTRAST_NUM_POINTS 33
struct ContrastPoint {
uint16_t x;
uint16_t y;
};
struct ContrastStatus {
struct ContrastPoint points[CONTRAST_NUM_POINTS];
double brightness;
double contrast;
};
#ifdef __cplusplus
}
#endif