111 lines
4.7 KiB
C++
111 lines
4.7 KiB
C++
/*
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* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file
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* <b>Libargus Extension: Piecewise Linear Compression for WDR Sensor Modes</b>
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*
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* @b Description: Adds extra functionalities for the
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* Piecewise Linear (PWL) compressed Wide Dynamic Range (WDR) sensor mode type.
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*/
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#ifndef _ARGUS_EXT_PWL_WDR_SENSOR_MODE_H
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#define _ARGUS_EXT_PWL_WDR_SENSOR_MODE_H
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namespace Argus
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{
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/**
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* Adds extra functionalities for the Piecewise Linear (PWL) Wide Dynamic
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* Range (WDR) sensor mode type. It introduces one new interface:
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* - IPwlWdrSensorMode; returns a list of normalized float coordinates (x,y) that define
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* the PWL compression curve used in the PWL WDR mode. This PWL compression
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* curve is used by the sensor to compress WDR pixel values before sending
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* them over CSI. This is done to save bandwidth for data transmission over
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* VI-CSI. The compression converts the WDR pixel values from InputBitDepth
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* space to OutputBitDepth space.The coordinates of the PWL compression
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* curve can be un-normalized by scaling x-axis and y-axis values
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* by InputBitDepth and OutputBitDepth respectively. The Bit depths can be
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* obtained by using the respective methods in the ISensorMode interface.
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* @see ISensorMode
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*
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* @defgroup ArgusExtPwlWdrSensorMode Ext::PwlWdrSensorMode
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* @ingroup ArgusExtensions
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*/
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DEFINE_UUID(ExtensionName, EXT_PWL_WDR_SENSOR_MODE, 7f510b90,582b,11e6,bbb5,40,16,7e,ab,86,92);
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namespace Ext
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{
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/**
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* @class IPwlWdrSensorMode
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*
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* Interface to the properties of a PWL WDR device.
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*
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* Returns a list of normalized float coordinates (x,y) that define
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* the Piecewise Linear (PWL) compression curve used in the PWL Wide Dynamic Range (WDR) mode.
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* The coordinates are returned in a Point2D tuple. The coordinates
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* can be un-normalized by scaling x-axis and y-axis values by InputBitDepth
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* and OutputBitDepth respectively. The Bit depths can be obtained by using
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* the respective methods in the ISensorMode interface.
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* @see ISensorMode
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*
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* @ingroup ArgusSensorMode ArgusExtPwlWdrSensorMode
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*/
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DEFINE_UUID(InterfaceID, IID_PWL_WDR_SENSOR_MODE, 7f5acea0,582b,11e6,9414,40,16,7e,ab,86,92);
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class IPwlWdrSensorMode : public Interface
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{
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public:
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static const InterfaceID& id() { return IID_PWL_WDR_SENSOR_MODE; }
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/**
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* Returns the number of control points coordinates in the Piecewise Linear compression
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* curve.
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*/
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virtual uint32_t getControlPointCount() const = 0;
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/**
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* Returns the Piecewise Linear (PWL) compression curve coordinates.
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*
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* @param[out] points The output vector to store the PWL compression curve coordinates.
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* Upon successful return, this vector will filled in with
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* getControlPointCount() count values, each containing a coordinates of
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* PWL compression curve within a Point2D tuple.
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*/
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virtual Status getControlPoints(std::vector< Point2D<float> >* points) const = 0;
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protected:
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~IPwlWdrSensorMode() {}
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};
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} // namespace Ext
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} // namespace Argus
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#endif // _ARGUS_EXT_PWL_WDR_SENSOR_MODE_H
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