raspberrypi.h
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019-2020, Raspberry Pi Ltd.
*
* raspberrypi.h - Image Processing Algorithm interface for Raspberry Pi
*/
#ifndef __LIBCAMERA_IPA_INTERFACE_RASPBERRYPI_H__
#define __LIBCAMERA_IPA_INTERFACE_RASPBERRYPI_H__
#include <libcamera/control_ids.h>
#include <libcamera/controls.h>
enum RPiOperations {
RPI_IPA_ACTION_V4L2_SET_STAGGERED = 1,
RPI_IPA_ACTION_V4L2_SET_ISP,
RPI_IPA_ACTION_STATS_METADATA_COMPLETE,
RPI_IPA_ACTION_RUN_ISP,
RPI_IPA_ACTION_RUN_ISP_AND_DROP_FRAME,
RPI_IPA_ACTION_SET_SENSOR_CONFIG,
RPI_IPA_ACTION_EMBEDDED_COMPLETE,
RPI_IPA_EVENT_SIGNAL_STAT_READY,
RPI_IPA_EVENT_SIGNAL_ISP_PREPARE,
RPI_IPA_EVENT_QUEUE_REQUEST,
RPI_IPA_EVENT_LS_TABLE_ALLOCATION,
};
enum RPiIpaMask {
ID = 0x0ffff,
STATS = 0x10000,
EMBEDDED_DATA = 0x20000,
BAYER_DATA = 0x40000
};
/* Size of the LS grid allocation. */
#define MAX_LS_GRID_SIZE (32 << 10)
namespace libcamera {
/* List of controls handled by the Raspberry Pi IPA */
static const ControlInfoMap RPiControls = {
{ &controls::AeEnable, ControlInfo(false, true) },
{ &controls::ExposureTime, ControlInfo(0, 999999) },
{ &controls::AnalogueGain, ControlInfo(1.0f, 32.0f) },
{ &controls::AeMeteringMode, ControlInfo(0, static_cast<int32_t>(controls::MeteringModeMax)) },
{ &controls::AeConstraintMode, ControlInfo(0, static_cast<int32_t>(controls::ConstraintModeMax)) },
{ &controls::AeExposureMode, ControlInfo(0, static_cast<int32_t>(controls::ExposureModeMax)) },
{ &controls::ExposureValue, ControlInfo(0.0f, 16.0f) },
{ &controls::AwbEnable, ControlInfo(false, true) },
{ &controls::ColourGains, ControlInfo(0.0f, 32.0f) },
{ &controls::AwbMode, ControlInfo(0, static_cast<int32_t>(controls::AwbModeMax)) },
{ &controls::Brightness, ControlInfo(-1.0f, 1.0f) },
{ &controls::Contrast, ControlInfo(0.0f, 32.0f) },
{ &controls::Saturation, ControlInfo(0.0f, 32.0f) },
{ &controls::Sharpness, ControlInfo(0.0f, 16.0f, 1.0f) },
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_IPA_INTERFACE_RASPBERRYPI_H__ */
control_ids.h
Camera control identifiers.
controls.h
Framework to manage controls related to an object.
libcamera::controls::Brightness
const Control< float > Brightness
Specify a fixed brightness parameter. Positive values (up to 1.0) produce brighter images; negative v...
libcamera::controls::ConstraintModeMax
@ ConstraintModeMax
Maximum allowed value (place any new values above here).
Definition: control_ids.h:57
libcamera::controls::AeExposureMode
const Control< int32_t > AeExposureMode
Specify an exposure mode for the AE algorithm to use. These specify how the desired total exposure is...
libcamera::controls::AwbMode
const Control< int32_t > AwbMode
Specify the range of illuminants to use for the AWB algorithm. The modes supported are platform speci...
libcamera::controls::AwbEnable
const Control< bool > AwbEnable
Enable or disable the AWB.
libcamera::controls::ExposureTime
const Control< int32_t > ExposureTime
Exposure time (shutter speed) for the frame applied in the sensor device. This value is specified in ...
libcamera::controls::MeteringModeMax
@ MeteringModeMax
Maximum allowed value (place any new values above here).
Definition: control_ids.h:49
libcamera::controls::ExposureModeMax
@ ExposureModeMax
Maximum allowed value (place any new values above here).
Definition: control_ids.h:65
libcamera::controls::Contrast
const Control< float > Contrast
Specify a fixed contrast parameter. Normal contrast is given by the value 1.0; larger values produce ...
libcamera::controls::ExposureValue
const Control< float > ExposureValue
Specify an Exposure Value (EV) parameter. The EV parameter will only be applied if the AE algorithm i...
libcamera::controls::AeEnable
const Control< bool > AeEnable
Enable or disable the AE.
libcamera::controls::Saturation
const Control< float > Saturation
Specify a fixed saturation parameter. Normal saturation is given by the value 1.0; larger values prod...
libcamera::controls::AeMeteringMode
const Control< int32_t > AeMeteringMode
Specify a metering mode for the AE algorithm to use. The metering modes determine which parts of the ...
libcamera::controls::AwbModeMax
@ AwbModeMax
Maximum allowed value (place any new values above here).
Definition: control_ids.h:84
libcamera::controls::AnalogueGain
const Control< float > AnalogueGain
Analogue gain value applied in the sensor device. The value of the control specifies the gain multipl...
libcamera::controls::ColourGains
const Control< Span< const float > > ColourGains
Pair of gain values for the Red and Blue colour channels, in that order. ColourGains can only be appl...
libcamera::controls::Sharpness
const Control< float > Sharpness
A value of 0.0 means no sharpening. The minimum value means minimal sharpening, and shall be 0....
libcamera::controls::AeConstraintMode
const Control< int32_t > AeConstraintMode
Specify a constraint mode for the AE algorithm to use. These determine how the measured scene brightn...