/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * camera_device.h - libcamera Android Camera Device
 */

#pragma once

#include <map>
#include <memory>
#include <queue>
#include <vector>

#include <hardware/camera3.h>

#include <libcamera/base/class.h>
#include <libcamera/base/log.h>
#include <libcamera/base/message.h>
#include <libcamera/base/mutex.h>

#include <libcamera/camera.h>
#include <libcamera/framebuffer.h>
#include <libcamera/geometry.h>
#include <libcamera/pixel_format.h>
#include <libcamera/request.h>
#include <libcamera/stream.h>

#include "camera_capabilities.h"
#include "camera_metadata.h"
#include "camera_stream.h"
#include "jpeg/encoder.h"

class Camera3RequestDescriptor;
struct CameraConfigData;

class CameraDevice : protected libcamera::Loggable
{
public:
	static std::unique_ptr<CameraDevice> create(unsigned int id,
						    std::shared_ptr<libcamera::Camera> cam);
	~CameraDevice();

	int initialize(const CameraConfigData *cameraConfigData);

	int open(const hw_module_t *hardwareModule);
	void close();
	void flush();

	unsigned int id() const { return id_; }
	camera3_device_t *camera3Device() { return &camera3Device_; }
	const CameraCapabilities *capabilities() const { return &capabilities_; }
	const std::shared_ptr<libcamera::Camera> &camera() const { return camera_; }

	const std::string &maker() const { return maker_; }
	const std::string &model() const { return model_; }
	int facing() const { return facing_; }
	int orientation() const { return orientation_; }
	unsigned int maxJpegBufferSize() const;

	void setCallbacks(const camera3_callback_ops_t *callbacks);
	const camera_metadata_t *getStaticMetadata();
	const camera_metadata_t *constructDefaultRequestSettings(int type);
	int configureStreams(camera3_stream_configuration_t *stream_list);
	int processCaptureRequest(camera3_capture_request_t *request);
	void requestComplete(libcamera::Request *request);
	void streamProcessingComplete(Camer{
    "rpi.black_level":
    {
        "black_level": 4096
    },
    "rpi.dpc":
    {
    },
    "rpi.lux":
    {
        "reference_shutter_speed": 13841,
        "reference_gain": 2.0,
        "reference_aperture": 1.0,
        "reference_lux": 900,
        "reference_Y": 12064
    },
    "rpi.noise":
    {
        "reference_constant": 0,
        "reference_slope": 2.776
    },
    "rpi.geq":
    {
        "offset": 189,
        "slope": 0.01495
    },
    "rpi.sdn":
    {
    },
    "rpi.awb":
    {
        "priors":
        [
            {
                "lux": 0, "prior":
                [
                    2000, 1.0, 3000, 0.0, 13000, 0.0
                ]
            },
            {
                "lux": 800, "prior":
                [
                    2000, 0.0, 6000, 2.0, 13000, 2.0
                ]
            },
            {
                "lux": 1500, "prior":
                [
                    2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
                ]
            }
        ],
        "modes":
        {
            "auto":
            {
                "lo": 2500,
                "hi": 7900
            },
            "incandescent":
            {
                "lo": 2500,
                "hi": 3000
            },
            "tungsten":
            {
                "lo": 3000,
                "hi": 3500
            },
            "fluorescent":
            {
                "lo": 4000,
                "hi": 4700
            },
            "indoor":
            {
                "lo": 3000,
                "hi": 5000
            },
            "daylight":
            {
                "lo": 5500,
                "hi": 6500
            },
            "cloudy":
            {
                "lo": 7000,
                "hi": 8000
            }
        },
        "bayes": 1,
        "ct_curve":
        [
            2890.0, 0.7328, 0.3734, 3550.0, 0.6228, 0.4763, 4500.0, 0.5208, 0.5825, 5700.0, 0.4467, 0.6671, 7900.0, 0.3858, 0.7411
        ],
        "sensitivity_r": 1.0,
        "sensitivity_b": 1.0,
        "transverse_pos": 0.02027,
        "transverse_neg": 0.01935
    },
    "rpi.agc":
    {
        "metering_modes":
        {
            "centre-weighted":
            {
                "weights":
                [
                    3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
                ]
            },
            "spot":
            {
                "weights":
                [
                    2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
                ]
            },
            "matrix":
            {
                "weights":
                [
                    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
                ]
            }
        },
        "exposure_modes":
        {
            "normal":
            {
                "shutter":
                [
                    100, 10000, 30000, 60000, 120000
                ],
                "gain":
                [
                    1.0, 2.0, 4.0, 6.0, 8.0
                ]
            },
            "short":
            {
                "shutter":
                [
                    100, 5000, 10000, 20000, 120000
                ],
                "gain":
                [
                    1.0, 2.0, 4.0, 6.0, 8.0
                ]
            }
        },
        "constraint_modes":
        {
            "normal":
            [
                {
                    "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
                    [
                        0, 0.5, 1000, 0.5
                    ]
                }
            ],
            "highlight":
            [
                {
                    "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
                    [
                        0, 0.5, 1000, 0.5
                    ]
                },
                {
                    "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
                    [
                        0, 0.8, 1000, 0.8
                    ]
                }
            ]
        },
        "y_target":
        [
            0, 0.16, 1000, 0.165, 10000, 0.17
        ]
    },
    "rpi.alsc":
    {
        "omega": 1.3,
        "n_iter": 100,
        "luminance_strength": 0.5,
        "calibrations_Cr":
        [
            {
                "ct": 3000, "table":
                [
                    1.527, 1.521, 1.508, 1.493, 1.476, 1.455, 1.442, 1.441, 1.441, 1.441, 1.448, 1.467, 1.483, 1.494, 1.503, 1.504,
                    1.525, 1.513, 1.496, 1.477, 1.461, 1.434, 1.418, 1.409, 1.409, 1.416, 1.429, 1.449, 1.469, 1.485, 1.495, 1.503,
                    1.517, 1.506, 1.485, 1.461, 1.434, 1.412, 1.388, 1.376, 1.376, 1.386, 1.405, 1.429, 1.449, 1.471, 1.488, 1.495,
                    1.512, 1.496, 1.471, 1.442, 1.412, 1.388, 1.361, 1.344, 1.344, 1.358, 1.384, 1.405, 1.431, 1.456, 1.479, 1.489,
                    1.508, 1.488, 1.458, 1.425, 1.393, 1.361, 1.343, 1.322, 1.321, 1.342, 1.358, 1.385, 1.416, 1.445, 1.471, 1.484,
                    1.507, 1.482, 1.453, 1.418, 1.382, 1.349, 1.322, 1.318, 1.318, 1.321, 1.345, 1.373, 1.405, 1.437, 1.465, 1.483,
                    1.507, 1.482, 1.453, 1.418, 1.382, 1.349, 1.322, 1.313, 1.313, 1.321, 1.345, 1.373, 1.405, 1.437, 1.465, 1.483,
                    1.507, 1.485, 1.455, 1.422, 1.387, 1.355, 1.333, 1.319, 1.321, 1.333, 1.351, 1.381, 1.411, 1.441, 1.467, 1.483,
                    1.508, 1.489, 1.463, 1.432, 1.401, 1.372, 1.355, 1.333, 1.333, 1.351, 1.369, 1.393, 1.422, 1.448, 1.471, 1.484,
                    1.511, 1.494, 1.472, 1.444, 1.416, 1.398, 1.372, 1.361, 1.361, 1.369, 1.393, 1.411, 1.436, 1.458, 1.477, 1.487,
                    1.511, 1.496, 1.478, 1.455, 1.436, 1.416, 1.399, 1.391, 1.391, 1.397, 1.411, 1.429, 1.451, 1.466, 1.479, 1.487,
                    1.511, 1.495, 1.478, 1.462, 1.448, 1.432, 1.419, 1.419, 1.419, 1.419, 1.429, 1.445, 1.459, 1.471, 1.482, 1.487
                ]
            },
            {
                "ct": 6000, "table":
                [
                    2.581, 2.573, 2.558, 2.539, 2.514, 2.487, 2.473, 2.471, 2.471, 2.471, 2.479, 2.499, 2.517, 2.532, 2.543, 2.544,
                    2.575, 2.559, 2.539, 2.521, 2.491, 2.458, 2.435, 2.421, 2.421, 2.429, 2.449, 2.477, 2.499, 2.519, 2.534, 2.543,
                    2.561, 2.549, 2.521, 2.491, 2.457, 2.423, 2.393, 2.375, 2.375, 2.387, 2.412, 2.444, 2.475, 2.499, 2.519, 2.532,
                    2.552, 2.531, 2.498, 2.459, 2.423, 2.391, 2.349, 2.325, 2.325, 2.344, 2.374, 2.412, 2.444, 2.476, 2.505, 2.519,
                    2.543, 2.518, 2.479, 2.435, 2.392, 2.349, 2.324, 2.285, 2.283, 2.313, 2.344, 2.374, 2.417, 2.457, 2.489, 2.506,
                    2.541, 2.511, 2.469, 2.421, 2.372, 2.326, 2.284, 2.277, 2.279, 2.283, 2.313, 2.357, 2.401, 2.443, 2.479, 2.504,
                    2.541, 2.511, 2.469, 2.421, 2.372, 2.326, 2.284, 2.267, 2.267, 2.281, 2.313, 2.357, 2.401, 2.443, 2.479, 2.504,
                    2.541, 2.512, 2.472, 2.425, 2.381, 2.338, 2.302, 2.278, 2.279, 2.301, 2.324, 2.364, 2.407, 2.447, 2.481, 2.504,
                    2.544, 2.519, 2.483, 2.441, 2.401, 2.363, 2.338, 2.302, 2.302, 2.324, 2.355, 2.385, 2.423, 2.459, 2.488, 2.506,
                    2.549, 2.527, 2.497, 2.463, 2.427, 2.401, 2.363, 2.345, 2.345, 2.355, 2.385, 2.412, 2.444, 2.473, 2.497, 2.509,
                    2.552, 2.532, 2.507, 2.481, 2.459, 2.427, 2.402, 2.389, 2.389, 2.394, 2.412, 2.444, 2.465, 2.481, 2.499, 2.511,
                    2.553, 2.533, 2.508, 2.489, 2.475, 2.454, 2.429, 2.429, 2.429, 2.429, 2.439, 2.463, 2.481, 2.492, 2.504, 2.511
                ]
            }
        ],
        "calibrations_Cb":
        [
            {
                "ct": 3000, "table":
                [
                    3.132, 3.126, 3.116, 3.103, 3.097, 3.091, 3.087, 3.086, 3.088, 3.091, 3.092, 3.102, 3.113, 3.121, 3.141, 3.144,
                    3.149, 3.132, 3.123, 3.108, 3.101, 3.096, 3.091, 3.089, 3.091, 3.092, 3.101, 3.107, 3.116, 3.129, 3.144, 3.153,
                    3.161, 3.149, 3.129, 3.121, 3.108, 3.103, 3.101, 3.101, 3.101, 3.103, 3.107, 3.116, 3.125, 3.134, 3.153, 3.159,
                    3.176, 3.161, 3.144, 3.129, 3.124, 3.121, 3.117, 3.118, 3.118, 3.119, 3.122, 3.125, 3.134, 3.146, 3.159, 3.171,
                    3.183, 3.176, 3.157, 3.144, 3.143, 3.143, 3.139, 3.141, 3.141, 3.141, 3.141, 3.141, 3.146, 3.161, 3.171, 3.179,
                    3.189, 3.183, 3.165, 3.157, 3.156, 3.157, 3.159, 3.163, 3.163, 3.163, 3.163, 3.161, 3.163, 3.169, 3.179, 3.187,
                    3.199, 3.189, 3.171, 3.165, 3.164, 3.167, 3.171, 3.173, 3.173, 3.172, 3.171, 3.169, 3.169, 3.175, 3.187, 3.189,
                    3.206, 3.196, 3.177, 3.171, 3.165, 3.167, 3.171, 3.173, 3.173, 3.172, 3.171, 3.171, 3.173, 3.177, 3.192, 3.194,
                    3.209, 3.197, 3.178, 3.171, 3.164, 3.161, 3.159, 3.161, 3.162, 3.164, 3.167, 3.171, 3.173, 3.181, 3.193, 3.198,
                    3.204, 3.194, 3.176, 3.165, 3.161, 3.156, 3.154, 3.154, 3.159, 3.161, 3.164, 3.168, 3.173, 3.182, 3.198, 3.199,
                    3.199, 3.191, 3.176, 3.169, 3.161, 3.157, 3.153, 3.153, 3.156, 3.161, 3.164, 3.168, 3.173, 3.186, 3.196, 3.199,
                    3.199, 3.188, 3.179, 3.173, 3.165, 3.157, 3.153, 3.154, 3.156, 3.159, 3.167, 3.171, 3.176, 3.185, 3.193, 3.198
                ]
            },
            {
                "ct": 6000, "table":
                [
                    1.579, 1.579, 1.577, 1.574, 1.573, 1.571, 1.571, 1.571, 1.571, 1.569, 1.569, 1.571, 1.572, 1.574, 1.577, 1.578,
                    1.584, 1.579, 1.578, 1.575, 1.573, 1.572, 1.571, 1.572, 1.572, 1.571, 1.571, 1.572, 1.573, 1.576, 1.578, 1.579,
                    1.587, 1.584, 1.579, 1.578, 1.575, 1.573, 1.573, 1.575, 1.575, 1.574, 1.573, 1.574, 1.576, 1.578, 1.581, 1.581,
                    1.591, 1.587, 1.584, 1.579, 1.578, 1.579, 1.579, 1.581, 1.581, 1.581, 1.578, 1.577, 1.578, 1.581, 1.585, 1.586,
                    1.595, 1.591, 1.587, 1.585, 1.585, 1.586, 1.587, 1.587, 1.588, 1.588, 1.585, 1.584, 1.584, 1.586, 1.589, 1.589,
                    1.597, 1.595, 1.591, 1.589, 1.591, 1.593, 1.595, 1.596, 1.597, 1.597, 1.595, 1.594, 1.592, 1.592, 1.593, 1.593,
                    1.601, 1.597, 1.593, 1.592, 1.593, 1.595, 1.598, 1.599, 1.602, 1.601, 1.598, 1.596, 1.595, 1.596, 1.595, 1.595,
                    1.601, 1.599, 1.594, 1.593, 1.593, 1.595, 1.598, 1.599, 1.602, 1.601, 1.598, 1.597, 1.597, 1.597, 1.597, 1.597,
                    1.602, 1.599, 1.594, 1.593, 1.592, 1.593, 1.595, 1.597, 1.597, 1.598, 1.598, 1.597, 1.597, 1.597, 1.598, 1.598,
                    1.599, 1.598, 1.594, 1.592, 1.591, 1.591, 1.592, 1.595, 1.596, 1.597, 1.597, 1.597, 1.597, 1.599, 1.599, 1.599,
                    1.598, 1.596, 1.594, 1.593, 1.592, 1.592, 1.592, 1.594, 1.595, 1.597, 1.597, 1.597, 1.598, 1.599, 1.599, 1.599,
                    1.597, 1.595, 1.594, 1.594, 1.593, 1.592, 1.593, 1.595, 1.595, 1.597, 1.598, 1.598, 1.598, 1.599, 1.599, 1.599
                ]
            }
        ],
        "luminance_lut":
        [
            2.887, 2.754, 2.381, 2.105, 1.859, 1.678, 1.625, 1.623, 1.623, 1.624, 1.669, 1.849, 2.092, 2.362, 2.723, 2.838,
            2.754, 2.443, 2.111, 1.905, 1.678, 1.542, 1.455, 1.412, 1.412, 1.452, 1.535, 1.665, 1.893, 2.096, 2.413, 2.723,
            2.443, 2.216, 1.911, 1.678, 1.537, 1.372, 1.288, 1.245, 1.245, 1.283, 1.363, 1.527, 1.665, 1.895, 2.193, 2.413,
            2.318, 2.057, 1.764, 1.541, 1.372, 1.282, 1.159, 1.113, 1.113, 1.151, 1.269, 1.363, 1.527, 1.749, 2.034, 2.278,
            2.259, 1.953, 1.671, 1.452, 1.283, 1.159, 1.107, 1.018, 1.017, 1.097, 1.151, 1.269, 1.437, 1.655, 1.931, 2.222,
            2.257, 1.902, 1.624, 1.408, 1.239, 1.111, 1.019, 1.011, 1.005, 1.014, 1.098, 1.227, 1.395, 1.608, 1.883, 2.222,
            2.257, 1.902, 1.624, 1.408, 1.239, 1.111, 1.016, 1.001, 1.001, 1.007, 1.098, 1.227, 1.395, 1.608, 1.883, 2.222,
            2.257, 1.946, 1.666, 1.448, 1.281, 1.153, 1.093, 1.013, 1.008, 1.089, 1.143, 1.269, 1.437, 1.654, 1.934, 2.226,
            2.309, 2.044, 1.756, 1.532, 1.363, 1.259, 1.153, 1.093, 1.093, 1.143, 1.264, 1.354, 1.524, 1.746, 2.035, 2.284,
            2.425, 2.201, 1.896, 1.662, 1.519, 1.363, 1.259, 1.214, 1.214, 1.264, 1.354, 1.519, 1.655, 1.888, 2.191, 2.413,
            2.724, 2.417, 2.091, 1.888, 1.662, 1.519, 1.419, 1.373, 1.373, 1.425, 1.521, 1.655, 1.885, 2.089, 2.409, 2.722,
            2.858, 2.724, 2.356, 2.085, 1.842, 1.658, 1.581, 1.577, 1.577, 1.579, 1.653, 1.838, 2.084, 2.359, 2.722, 2.842
        ],
        "sigma": 0.00372,
        "sigma_Cb": 0.00244
    },
    "rpi.contrast":
    {
        "ce_enable": 1,
        "gamma_curve":
        [
            0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
            8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
            16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
            32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
            65535, 65535
        ]
    },
    "rpi.ccm":
    {
        "ccms":
        [
            {
                "ct": 2890, "ccm":
                [
                    1.36754, -0.18448, -0.18306, -0.32356, 1.44826, -0.12471, -0.00412, -0.69936, 1.70348
                ]
            },
            {
                "ct": 2920, "ccm":
                [
                    1.26704, 0.01624, -0.28328, -0.28516, 1.38934, -0.10419, -0.04854, -0.82211, 1.87066
                ]
            },
            {
                "ct": 3550, "ccm":
                [
                    1.42836, -0.27235, -0.15601, -0.28751, 1.41075, -0.12325, -0.01812, -0.54849, 1.56661
                ]
            },
            {
                "ct": 4500, "ccm":
                [
                    1.36328, -0.19569, -0.16759, -0.25254, 1.52248, -0.26994, -0.01575, -0.53155, 1.54729
                ]
            },
            {
                "ct": 5700, "ccm":
                [
                    1.49207, -0.37245, -0.11963, -0.21493, 1.40005, -0.18512, -0.03781, -0.38779, 1.42561
                ]
            },
            {
                "ct": 7900, "ccm":
                [
                    1.34849, -0.05425, -0.29424, -0.22182, 1.77684, -0.55502, -0.07403, -0.55336, 1.62739
                ]
            }
        ]
    },
    "rpi.sharpen":
    {
    }
}