ipa: rpi: Add tuning files for OV7251
diff mbox series

Message ID 20241010134148.1788425-1-kieran.bingham@ideasonboard.com
State Accepted
Commit 994588fb75838b46d5eb74b916d66f0b9fc49421
Headers show
Series
  • ipa: rpi: Add tuning files for OV7251
Related show

Commit Message

Kieran Bingham Oct. 10, 2024, 1:41 p.m. UTC 
From: Dave Stevenson <dave.stevenson@raspberrypi.com>

OV7251 is a mono VGA global shutter sensor that has a mainline
driver and works with libcamera.
Add the supporting files for it. The tuning is copied from OV9281.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp |  66 +++++++++
 src/ipa/rpi/cam_helper/meson.build           |   1 +
 src/ipa/rpi/vc4/data/meson.build             |   1 +
 src/ipa/rpi/vc4/data/ov7251_mono.json        | 136 +++++++++++++++++++
 4 files changed, 204 insertions(+)
 create mode 100644 src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
 create mode 100644 src/ipa/rpi/vc4/data/ov7251_mono.json

Comments

Kieran Bingham Oct. 19, 2024, 9:43 p.m. UTC | #1 
Quoting Kieran Bingham (2024-10-10 14:41:48)
> From: Dave Stevenson <dave.stevenson@raspberrypi.com>
> 
> OV7251 is a mono VGA global shutter sensor that has a mainline
> driver and works with libcamera.
> Add the supporting files for it. The tuning is copied from OV9281.
> 
> Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

Naush / David, Are you happy for this to be merged ?

--
Kieran


> ---
>  src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp |  66 +++++++++
>  src/ipa/rpi/cam_helper/meson.build           |   1 +
>  src/ipa/rpi/vc4/data/meson.build             |   1 +
>  src/ipa/rpi/vc4/data/ov7251_mono.json        | 136 +++++++++++++++++++
>  4 files changed, 204 insertions(+)
>  create mode 100644 src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
>  create mode 100644 src/ipa/rpi/vc4/data/ov7251_mono.json
> 
> diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
> new file mode 100644
> index 000000000000..7b12c44508a4
> --- /dev/null
> +++ b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
> @@ -0,0 +1,66 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +/*
> + * Copyright (C) 2021, Raspberry Pi Ltd
> + *
> + * camera information for ov7251 sensor
> + */
> +
> +#include <assert.h>
> +
> +#include "cam_helper.h"
> +
> +using namespace RPiController;
> +
> +class CamHelperOv7251 : public CamHelper
> +{
> +public:
> +       CamHelperOv7251();
> +       uint32_t gainCode(double gain) const override;
> +       double gain(uint32_t gainCode) const override;
> +       void getDelays(int &exposureDelay, int &gainDelay,
> +                      int &vblankDelay, int &hblankDelay) const override;
> +
> +private:
> +       /*
> +        * Smallest difference between the frame length and integration time,
> +        * in units of lines.
> +        */
> +       static constexpr int frameIntegrationDiff = 4;
> +};
> +
> +/*
> + * OV7251 doesn't output metadata, so we have to use the "unicam parser" which
> + * works by counting frames.
> + */
> +
> +CamHelperOv7251::CamHelperOv7251()
> +       : CamHelper({}, frameIntegrationDiff)
> +{
> +}
> +
> +uint32_t CamHelperOv7251::gainCode(double gain) const
> +{
> +       return static_cast<uint32_t>(gain * 16.0);
> +}
> +
> +double CamHelperOv7251::gain(uint32_t gainCode) const
> +{
> +       return static_cast<double>(gainCode) / 16.0;
> +}
> +
> +void CamHelperOv7251::getDelays(int &exposureDelay, int &gainDelay,
> +                               int &vblankDelay, int &hblankDelay) const
> +{
> +       /* The driver appears to behave as follows: */
> +       exposureDelay = 2;
> +       gainDelay = 2;
> +       vblankDelay = 2;
> +       hblankDelay = 2;
> +}
> +
> +static CamHelper *create()
> +{
> +       return new CamHelperOv7251();
> +}
> +
> +static RegisterCamHelper reg("ov7251", &create);
> diff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build
> index 1e43f1da29cd..03e88fe082e2 100644
> --- a/src/ipa/rpi/cam_helper/meson.build
> +++ b/src/ipa/rpi/cam_helper/meson.build
> @@ -11,6 +11,7 @@ rpi_ipa_cam_helper_sources = files([
>      'cam_helper_imx519.cpp',
>      'cam_helper_imx708.cpp',
>      'cam_helper_ov64a40.cpp',
> +    'cam_helper_ov7251.cpp',
>      'cam_helper_ov9281.cpp',
>      'md_parser_smia.cpp',
>  ])
> diff --git a/src/ipa/rpi/vc4/data/meson.build b/src/ipa/rpi/vc4/data/meson.build
> index 60477c112196..8c34a1a5faa2 100644
> --- a/src/ipa/rpi/vc4/data/meson.build
> +++ b/src/ipa/rpi/vc4/data/meson.build
> @@ -19,6 +19,7 @@ conf_files = files([
>      'ov5647.json',
>      'ov5647_noir.json',
>      'ov64a40.json',
> +    'ov7251_mono.json',
>      'ov9281_mono.json',
>      'se327m12.json',
>      'uncalibrated.json',
> diff --git a/src/ipa/rpi/vc4/data/ov7251_mono.json b/src/ipa/rpi/vc4/data/ov7251_mono.json
> new file mode 100644
> index 000000000000..a9d05a01b53f
> --- /dev/null
> +++ b/src/ipa/rpi/vc4/data/ov7251_mono.json
> @@ -0,0 +1,136 @@
> +{
> +    "version": 2.0,
> +    "target": "bcm2835",
> +    "algorithms": [
> +        {
> +            "rpi.black_level":
> +            {
> +                "black_level": 4096
> +            }
> +        },
> +        {
> +            "rpi.lux":
> +            {
> +                "reference_shutter_speed": 2000,
> +                "reference_gain": 1.0,
> +                "reference_aperture": 1.0,
> +                "reference_lux": 800,
> +                "reference_Y": 20000
> +            }
> +        },
> +        {
> +            "rpi.noise":
> +            {
> +                "reference_constant": 0,
> +                "reference_slope": 2.5
> +            }
> +        },
> +        {
> +            "rpi.sdn": { }
> +        },
> +        {
> +            "rpi.agc":
> +            {
> +                "metering_modes":
> +                {
> +                    "centre-weighted":
> +                    {
> +                        "weights":
> +                        [
> +                            4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
> +                        ]
> +                    }
> +                },
> +                "exposure_modes":
> +                {
> +                    "normal":
> +                    {
> +                        "shutter": [ 100, 15000, 30000, 60000, 120000 ],
> +                        "gain": [ 1.0, 2.0, 3.0, 4.0, 8.0 ]
> +                    },
> +                    "short":
> +                    {
> +                        "shutter": [ 100, 5000, 10000, 20000, 30000 ],
> +                        "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
> +                    },
> +                    "long":
> +                    {
> +                        "shutter": [ 1000, 30000, 60000, 90000, 120000 ],
> +                        "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
> +                    }
> +                },
> +                "constraint_modes":
> +                {
> +                    "normal": [
> +                        {
> +                            "bound": "LOWER",
> +                            "q_lo": 0.98,
> +                            "q_hi": 1.0,
> +                            "y_target":
> +                            [
> +                                0, 0.4,
> +                                1000, 0.4
> +                            ]
> +                        }
> +                    ]
> +                },
> +                "y_target":
> +                [
> +                    0, 0.16,
> +                    1000, 0.165,
> +                    10000, 0.17
> +                ]
> +            }
> +        },
> +        {
> +            "rpi.alsc":
> +            {
> +                "n_iter": 0,
> +                "luminance_strength": 1.0,
> +                "corner_strength": 1.5
> +            }
> +        },
> +        {
> +            "rpi.contrast":
> +            {
> +                "ce_enable": 0,
> +                "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
> +                ]
> +            }
> +        }
> +    ]
> +}
> \ No newline at end of file
> -- 
> 2.34.1
>
Naushir Patuck Oct. 21, 2024, 10:45 a.m. UTC | #2 
On Sat, 19 Oct 2024 at 22:44, Kieran Bingham
<kieran.bingham@ideasonboard.com> wrote:
>
> Quoting Kieran Bingham (2024-10-10 14:41:48)
> > From: Dave Stevenson <dave.stevenson@raspberrypi.com>
> >
> > OV7251 is a mono VGA global shutter sensor that has a mainline
> > driver and works with libcamera.
> > Add the supporting files for it. The tuning is copied from OV9281.
> >
> > Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
> > Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
>
> Naush / David, Are you happy for this to be merged ?

Yup

Reviewed-by: Naushir Patuck <naush@raspberrypi.com>

>
> --
> Kieran
>
>
> > ---
> >  src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp |  66 +++++++++
> >  src/ipa/rpi/cam_helper/meson.build           |   1 +
> >  src/ipa/rpi/vc4/data/meson.build             |   1 +
> >  src/ipa/rpi/vc4/data/ov7251_mono.json        | 136 +++++++++++++++++++
> >  4 files changed, 204 insertions(+)
> >  create mode 100644 src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
> >  create mode 100644 src/ipa/rpi/vc4/data/ov7251_mono.json
> >
> > diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
> > new file mode 100644
> > index 000000000000..7b12c44508a4
> > --- /dev/null
> > +++ b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
> > @@ -0,0 +1,66 @@
> > +/* SPDX-License-Identifier: BSD-2-Clause */
> > +/*
> > + * Copyright (C) 2021, Raspberry Pi Ltd
> > + *
> > + * camera information for ov7251 sensor
> > + */
> > +
> > +#include <assert.h>
> > +
> > +#include "cam_helper.h"
> > +
> > +using namespace RPiController;
> > +
> > +class CamHelperOv7251 : public CamHelper
> > +{
> > +public:
> > +       CamHelperOv7251();
> > +       uint32_t gainCode(double gain) const override;
> > +       double gain(uint32_t gainCode) const override;
> > +       void getDelays(int &exposureDelay, int &gainDelay,
> > +                      int &vblankDelay, int &hblankDelay) const override;
> > +
> > +private:
> > +       /*
> > +        * Smallest difference between the frame length and integration time,
> > +        * in units of lines.
> > +        */
> > +       static constexpr int frameIntegrationDiff = 4;
> > +};
> > +
> > +/*
> > + * OV7251 doesn't output metadata, so we have to use the "unicam parser" which
> > + * works by counting frames.
> > + */
> > +
> > +CamHelperOv7251::CamHelperOv7251()
> > +       : CamHelper({}, frameIntegrationDiff)
> > +{
> > +}
> > +
> > +uint32_t CamHelperOv7251::gainCode(double gain) const
> > +{
> > +       return static_cast<uint32_t>(gain * 16.0);
> > +}
> > +
> > +double CamHelperOv7251::gain(uint32_t gainCode) const
> > +{
> > +       return static_cast<double>(gainCode) / 16.0;
> > +}
> > +
> > +void CamHelperOv7251::getDelays(int &exposureDelay, int &gainDelay,
> > +                               int &vblankDelay, int &hblankDelay) const
> > +{
> > +       /* The driver appears to behave as follows: */
> > +       exposureDelay = 2;
> > +       gainDelay = 2;
> > +       vblankDelay = 2;
> > +       hblankDelay = 2;
> > +}
> > +
> > +static CamHelper *create()
> > +{
> > +       return new CamHelperOv7251();
> > +}
> > +
> > +static RegisterCamHelper reg("ov7251", &create);
> > diff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build
> > index 1e43f1da29cd..03e88fe082e2 100644
> > --- a/src/ipa/rpi/cam_helper/meson.build
> > +++ b/src/ipa/rpi/cam_helper/meson.build
> > @@ -11,6 +11,7 @@ rpi_ipa_cam_helper_sources = files([
> >      'cam_helper_imx519.cpp',
> >      'cam_helper_imx708.cpp',
> >      'cam_helper_ov64a40.cpp',
> > +    'cam_helper_ov7251.cpp',
> >      'cam_helper_ov9281.cpp',
> >      'md_parser_smia.cpp',
> >  ])
> > diff --git a/src/ipa/rpi/vc4/data/meson.build b/src/ipa/rpi/vc4/data/meson.build
> > index 60477c112196..8c34a1a5faa2 100644
> > --- a/src/ipa/rpi/vc4/data/meson.build
> > +++ b/src/ipa/rpi/vc4/data/meson.build
> > @@ -19,6 +19,7 @@ conf_files = files([
> >      'ov5647.json',
> >      'ov5647_noir.json',
> >      'ov64a40.json',
> > +    'ov7251_mono.json',
> >      'ov9281_mono.json',
> >      'se327m12.json',
> >      'uncalibrated.json',
> > diff --git a/src/ipa/rpi/vc4/data/ov7251_mono.json b/src/ipa/rpi/vc4/data/ov7251_mono.json
> > new file mode 100644
> > index 000000000000..a9d05a01b53f
> > --- /dev/null
> > +++ b/src/ipa/rpi/vc4/data/ov7251_mono.json
> > @@ -0,0 +1,136 @@
> > +{
> > +    "version": 2.0,
> > +    "target": "bcm2835",
> > +    "algorithms": [
> > +        {
> > +            "rpi.black_level":
> > +            {
> > +                "black_level": 4096
> > +            }
> > +        },
> > +        {
> > +            "rpi.lux":
> > +            {
> > +                "reference_shutter_speed": 2000,
> > +                "reference_gain": 1.0,
> > +                "reference_aperture": 1.0,
> > +                "reference_lux": 800,
> > +                "reference_Y": 20000
> > +            }
> > +        },
> > +        {
> > +            "rpi.noise":
> > +            {
> > +                "reference_constant": 0,
> > +                "reference_slope": 2.5
> > +            }
> > +        },
> > +        {
> > +            "rpi.sdn": { }
> > +        },
> > +        {
> > +            "rpi.agc":
> > +            {
> > +                "metering_modes":
> > +                {
> > +                    "centre-weighted":
> > +                    {
> > +                        "weights":
> > +                        [
> > +                            4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
> > +                        ]
> > +                    }
> > +                },
> > +                "exposure_modes":
> > +                {
> > +                    "normal":
> > +                    {
> > +                        "shutter": [ 100, 15000, 30000, 60000, 120000 ],
> > +                        "gain": [ 1.0, 2.0, 3.0, 4.0, 8.0 ]
> > +                    },
> > +                    "short":
> > +                    {
> > +                        "shutter": [ 100, 5000, 10000, 20000, 30000 ],
> > +                        "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
> > +                    },
> > +                    "long":
> > +                    {
> > +                        "shutter": [ 1000, 30000, 60000, 90000, 120000 ],
> > +                        "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
> > +                    }
> > +                },
> > +                "constraint_modes":
> > +                {
> > +                    "normal": [
> > +                        {
> > +                            "bound": "LOWER",
> > +                            "q_lo": 0.98,
> > +                            "q_hi": 1.0,
> > +                            "y_target":
> > +                            [
> > +                                0, 0.4,
> > +                                1000, 0.4
> > +                            ]
> > +                        }
> > +                    ]
> > +                },
> > +                "y_target":
> > +                [
> > +                    0, 0.16,
> > +                    1000, 0.165,
> > +                    10000, 0.17
> > +                ]
> > +            }
> > +        },
> > +        {
> > +            "rpi.alsc":
> > +            {
> > +                "n_iter": 0,
> > +                "luminance_strength": 1.0,
> > +                "corner_strength": 1.5
> > +            }
> > +        },
> > +        {
> > +            "rpi.contrast":
> > +            {
> > +                "ce_enable": 0,
> > +                "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
> > +                ]
> > +            }
> > +        }
> > +    ]
> > +}
> > \ No newline at end of file
> > --
> > 2.34.1
> >

Patch
diff mbox series 

diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
new file mode 100644
index 000000000000..7b12c44508a4
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/cam_helper_ov7251.cpp
@@ -0,0 +1,66 @@ 
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2021, Raspberry Pi Ltd
+ *
+ * camera information for ov7251 sensor
+ */
+
+#include <assert.h>
+
+#include "cam_helper.h"
+
+using namespace RPiController;
+
+class CamHelperOv7251 : public CamHelper
+{
+public:
+	CamHelperOv7251();
+	uint32_t gainCode(double gain) const override;
+	double gain(uint32_t gainCode) const override;
+	void getDelays(int &exposureDelay, int &gainDelay,
+		       int &vblankDelay, int &hblankDelay) const override;
+
+private:
+	/*
+	 * Smallest difference between the frame length and integration time,
+	 * in units of lines.
+	 */
+	static constexpr int frameIntegrationDiff = 4;
+};
+
+/*
+ * OV7251 doesn't output metadata, so we have to use the "unicam parser" which
+ * works by counting frames.
+ */
+
+CamHelperOv7251::CamHelperOv7251()
+	: CamHelper({}, frameIntegrationDiff)
+{
+}
+
+uint32_t CamHelperOv7251::gainCode(double gain) const
+{
+	return static_cast<uint32_t>(gain * 16.0);
+}
+
+double CamHelperOv7251::gain(uint32_t gainCode) const
+{
+	return static_cast<double>(gainCode) / 16.0;
+}
+
+void CamHelperOv7251::getDelays(int &exposureDelay, int &gainDelay,
+				int &vblankDelay, int &hblankDelay) const
+{
+	/* The driver appears to behave as follows: */
+	exposureDelay = 2;
+	gainDelay = 2;
+	vblankDelay = 2;
+	hblankDelay = 2;
+}
+
+static CamHelper *create()
+{
+	return new CamHelperOv7251();
+}
+
+static RegisterCamHelper reg("ov7251", &create);
diff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build
index 1e43f1da29cd..03e88fe082e2 100644
--- a/src/ipa/rpi/cam_helper/meson.build
+++ b/src/ipa/rpi/cam_helper/meson.build
@@ -11,6 +11,7 @@  rpi_ipa_cam_helper_sources = files([
     'cam_helper_imx519.cpp',
     'cam_helper_imx708.cpp',
     'cam_helper_ov64a40.cpp',
+    'cam_helper_ov7251.cpp',
     'cam_helper_ov9281.cpp',
     'md_parser_smia.cpp',
 ])
diff --git a/src/ipa/rpi/vc4/data/meson.build b/src/ipa/rpi/vc4/data/meson.build
index 60477c112196..8c34a1a5faa2 100644
--- a/src/ipa/rpi/vc4/data/meson.build
+++ b/src/ipa/rpi/vc4/data/meson.build
@@ -19,6 +19,7 @@  conf_files = files([
     'ov5647.json',
     'ov5647_noir.json',
     'ov64a40.json',
+    'ov7251_mono.json',
     'ov9281_mono.json',
     'se327m12.json',
     'uncalibrated.json',
diff --git a/src/ipa/rpi/vc4/data/ov7251_mono.json b/src/ipa/rpi/vc4/data/ov7251_mono.json
new file mode 100644
index 000000000000..a9d05a01b53f
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/ov7251_mono.json
@@ -0,0 +1,136 @@ 
+{
+    "version": 2.0,
+    "target": "bcm2835",
+    "algorithms": [
+        {
+            "rpi.black_level":
+            {
+                "black_level": 4096
+            }
+        },
+        {
+            "rpi.lux":
+            {
+                "reference_shutter_speed": 2000,
+                "reference_gain": 1.0,
+                "reference_aperture": 1.0,
+                "reference_lux": 800,
+                "reference_Y": 20000
+            }
+        },
+        {
+            "rpi.noise":
+            {
+                "reference_constant": 0,
+                "reference_slope": 2.5
+            }
+        },
+        {
+            "rpi.sdn": { }
+        },
+        {
+            "rpi.agc":
+            {
+                "metering_modes":
+                {
+                    "centre-weighted":
+                    {
+                        "weights":
+                        [
+                            4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+                        ]
+                    }
+                },
+                "exposure_modes":
+                {
+                    "normal":
+                    {
+                        "shutter": [ 100, 15000, 30000, 60000, 120000 ],
+                        "gain": [ 1.0, 2.0, 3.0, 4.0, 8.0 ]
+                    },
+                    "short":
+                    {
+                        "shutter": [ 100, 5000, 10000, 20000, 30000 ],
+                        "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+                    },
+                    "long":
+                    {
+                        "shutter": [ 1000, 30000, 60000, 90000, 120000 ],
+                        "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+                    }
+                },
+                "constraint_modes":
+                {
+                    "normal": [
+                        {
+                            "bound": "LOWER",
+                            "q_lo": 0.98,
+                            "q_hi": 1.0,
+                            "y_target":
+                            [
+                                0, 0.4,
+                                1000, 0.4
+                            ]
+                        }
+                    ]
+                },
+                "y_target":
+                [
+                    0, 0.16,
+                    1000, 0.165,
+                    10000, 0.17
+                ]
+            }
+        },
+        {
+            "rpi.alsc":
+            {
+                "n_iter": 0,
+                "luminance_strength": 1.0,
+                "corner_strength": 1.5
+            }
+        },
+        {
+            "rpi.contrast":
+            {
+                "ce_enable": 0,
+                "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
+                ]
+            }
+        }
+    ]
+}
\ No newline at end of file