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    nvmedia_ldc.h
    Go to the documentation of this file.
    1 /*
    2  * SPDX-FileCopyrightText: Copyright (c) 2017-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
    3  * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
    4  *
    5  * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
    6  * property and proprietary rights in and to this material, related
    7  * documentation and any modifications thereto. Any use, reproduction,
    8  * disclosure or distribution of this material and related documentation
    9  * without an express license agreement from NVIDIA CORPORATION or
    10  * its affiliates is strictly prohibited.
    11  */
    12 
    19 
    20 #ifndef NVMEDIA_LDC_H
    21 #define NVMEDIA_LDC_H
    22 
    23 #include "nvmedia_core.h"
    24 #include <stdbool.h>
    25 #include <stdint.h>
    26 
    27 #ifdef __cplusplus
    28 extern "C" {
    29 #endif
    30 
    39 
    48 #define NVMEDIA_LDC_VERSION_MAJOR 10
    49 
    58 #define NVMEDIA_LDC_VERSION_MINOR 0
    59 
    69 #define NVMEDIA_LDC_VERSION_PATCH 0
    70 
    79 typedef struct NvMediaLdc NvMediaLdc;
    80 
    106 typedef uint32_t NvMediaLdcParameters;
    107 
    119 typedef struct
    120 {
    130  uint32_t maxParameters;
    131 
    139 
    147 
    149  uint32_t flags;
    151 
    157 typedef struct
    158 {
    166  uint32_t maxWarpMapWidth;
    167 
    176 
    179  bool enableTnr;
    180 
    183 
    192  uint32_t maxDstWidth;
    193 
    202  uint32_t maxDstHeight;
    204 
    215 typedef struct
    216 {
    223  uint64_t operationId;
    225 
    230 typedef enum
    231 {
    234 
    237 
    241 
    243 #define NVMEDIA_LDC_MAX_REGIONS_X 4u
    244 
    246 #define NVMEDIA_LDC_MAX_REGIONS_Y 4u
    247 
    331 typedef struct
    332 {
    335  uint32_t numRegionsX;
    336 
    339  uint32_t numRegionsY;
    340 
    342  uint32_t regionWidth[NVMEDIA_LDC_MAX_REGIONS_X];
    343 
    345  uint32_t regionHeight[NVMEDIA_LDC_MAX_REGIONS_Y];
    346 
    349  uint32_t controlPointXSpacingLog2[NVMEDIA_LDC_MAX_REGIONS_X];
    350 
    353  uint32_t controlPointYSpacingLog2[NVMEDIA_LDC_MAX_REGIONS_Y];
    355 
    360 typedef struct
    361 {
    364 
    370  float matrixCoeffs[3][3];
    372 
    374 typedef struct
    375 {
    380  float x;
    381 
    386  float y;
    388 
    438 typedef struct
    439 {
    442 
    448 
    453 
    463 typedef struct
    464 {
    467  uint32_t width;
    468 
    471  uint32_t height;
    472 
    476 
    481  float maskColorY;
    482 
    487  float maskColorU;
    488 
    493  float maskColorV;
    494 
    501  bool const *pixelMasks;
    503 
    508 typedef struct
    509 {
    515 
    521 
    526  uint32_t rangeSigmaLuma;
    527 
    533 
    539 
    545 
    548 
    554 
    560 
    566 
    572 
    578 
    584 
    589  float betaX1;
    590 
    595  float betaX2;
    596 
    601  float maxBeta;
    602 
    607  float minBeta;
    609 
    611 #define NVMEDIA_LDC_CHECKSUM_NUM_BYTES 24u
    612 
    614 typedef struct
    615 {
    619 
    625 typedef enum
    626 {
    629 
    633 
    675 NvMediaLdcGetVersion(NvMediaVersion *const version);
    676 
    729 NvMediaLdcCreate(NvMediaLdc **const handle, NvMediaLdcAttributes const *const attr);
    730 
    778 NvMediaLdcDestroy(NvMediaLdc *const handle);
    779 
    848  NvMediaLdcParametersAttributes const *const attr,
    849  NvMediaLdcParameters *const params);
    850 
    900 NvMediaLdcDestroyParameters(NvMediaLdc *const handle, NvMediaLdcParameters const params);
    901 
    941 NvMediaLdcSetFilter(NvMediaLdc *const handle,
    942  NvMediaLdcParameters const params,
    943  NvMediaLdcFilter const filter);
    944 
    985 NvMediaLdcSetGeometry(NvMediaLdc *const handle,
    986  NvMediaLdcParameters const params,
    987  NvMediaRect const *const srcRect,
    988  NvMediaRect const *const dstRect);
    989 
    1033  NvMediaLdcParameters const params,
    1034  NvMediaLdcIptParameters const *const iptParams);
    1035 
    1080  NvMediaLdcParameters const params,
    1081  NvMediaLdcWarpMapParameters const *const warpMapParams);
    1082 
    1128  NvMediaLdcParameters const params,
    1129  NvMediaLdcMaskMapParameters const *const maskMapParams);
    1130 
    1173  NvMediaLdcParameters const params,
    1174  NvMediaLdcTnrParameters const *const tnrParams);
    1175 
    1214 NvMediaLdcResetTnr(NvMediaLdc *const handle, NvMediaLdcParameters const params);
    1215 
    1263  NvMediaLdcParameters const params,
    1264  NvMediaLdcChecksumMode const checksumMode);
    1265 
    1319 NvMediaLdcGetChecksum(NvMediaLdc *const handle,
    1320  NvMediaLdcResult const *const result,
    1321  NvMediaLdcChecksum *const checksum);
    1322 
    1471 NvMediaLdcProcess(NvMediaLdc *const handle,
    1472  NvMediaLdcParameters const params,
    1473  NvMediaLdcResult *const result);
    1474 
    1478 
    1479 //
    1480 // Version History
    1481 //
    1482 // Version 1.0 May 1, 2017
    1483 // - Initial release.
    1484 //
    1485 // Version 1.1 March 16, 2018
    1486 // - Add support of TNR2
    1487 //
    1488 // Version 1.2 September 4, 2018
    1489 // - New member variable srcSurfaceType is added to NvMediaLDCInitParams.
    1490 //
    1491 // Version 1.3 December 26, 2018
    1492 // - Adding unsigned tag to macro constants to fix MISRA 10.4 violation.
    1493 // - Fixing MISRA 21.1 violations
    1494 //
    1495 // Version 1.4 January 2, 2019
    1496 // - Added deprecated warning message for NvMediaLDCCreate.
    1497 // - Added API NvMediaLDCCreateNew
    1498 //
    1499 // Version 1.5 March 6, 2019
    1500 // - Fixing MISRA 8.13 violations.
    1501 //
    1502 // Version 1.6 March 12, 2019
    1503 // - Added required header includes nvmedia_core.h and nvmedia_surface.h
    1504 //
    1505 // Version 2.0 March 29, 2019
    1506 // - Deprecated NvMediaLDCCreate API.
    1507 //
    1508 // Version 2.1 January 23, 2020
    1509 // - Limited destination surface rectangle's top, left corner to (0, 0).
    1510 //
    1511 // Version 3.0 December 26, 2021
    1512 // - Major rework of API, NvMediaImage support was deprecated and
    1513 // all functionality related to NvMediaImage has been updated
    1514 // in order to support NvSciBuf instead of NvMediaImage.
    1515 // - The workflow was changed from setting the parameters
    1516 // at the Init stage to using a subset of API that set parameters
    1517 // prior to NvMediaLdcProcess() call.
    1518 //
    1519 // Version 4.0.0 March 28, 2022
    1520 // - Add support for NvSciSync task statuses
    1521 // - Max pre-fence count changed from 32 to 16
    1522 //
    1523 // Version 5.0.0 May 10, 2022
    1524 // - Re-added the destination rectangle top-left (0, 0) limitation.
    1525 //
    1526 // Version 6.0.0 June 7, 2022
    1527 // - Forbid registering same buffer multiple times
    1528 // - Error codes changed for multiple APIs
    1529 //
    1530 // Version 7.0.0 July 8, 2022
    1531 // - New error NVMEDIA_STATUS_INVALID_STATE added for multiple APIs
    1532 //
    1533 // Version 7.0.1 August 25, 2022
    1534 // - Allow NULL context handle in NvMediaLdcFillNvSciBufAttrList
    1535 //
    1536 // Version 7.0.2 September 2, 2022
    1537 // - Always treat parameters handle value 0 as invalid
    1538 //
    1539 // Version 8.0.0 March 10, 2023
    1540 // - NvMediaLdcSetGeometry() and NvMediaLdcSetTnrParameters() no longer reset
    1541 // TNR algorithm state
    1542 // - New API NvMediaLdcResetTnr() added for explicitly resetting the state
    1543 //
    1544 // Version 8.1.0 June 2, 2023
    1545 // - New checksum API added
    1546 //
    1547 // Version 9.0.0 September 8, 2023
    1548 // - Reject odd rectangle coordinates regardless of surface format
    1549 // - Reject destination rectangles smaller than 64x16 pixels
    1550 //
    1551 // Version 10.0.0 October 11, 2023
    1552 // - Add restrictions on xSobel output surfaces
    1553 //
    1554 
    1555 #ifdef __cplusplus
    1556 }
    1557 #endif
    1558 
    1559 #endif
    NvMediaLdcTnrParameters::alphaMaxLuma
    float alphaMaxLuma
    Holds the max luma value in Alpha Clip Calculation.
    Definition: nvmedia_ldc.h:565
    NVMEDIA_LDC_FILTER_OFF
    @ NVMEDIA_LDC_FILTER_OFF
    Filtering is disabled.
    Definition: nvmedia_ldc.h:233
    NvMediaLdcTnrParameters::alphaScaleIIR
    float alphaScaleIIR
    Holds the alpha scale IIR for strength.
    Definition: nvmedia_ldc.h:559
    NvMediaLdcMaskMapParameters::height
    uint32_t height
    Holds the height in pixels of the mask map surface, which must be equal to the height of the destinat...
    Definition: nvmedia_ldc.h:471
    NvMediaLdcParametersAttributes::maxWarpMapHeight
    uint32_t maxWarpMapHeight
    Maximum allowed number of control points vertically in a warp map.
    Definition: nvmedia_ldc.h:175
    NvMediaLdcMaskMapParameters
    Holds the Mask Map information.
    Definition: nvmedia_ldc.h:463
    NvMediaLdcTnrParameters::rangeSigmaChroma
    uint32_t rangeSigmaChroma
    Holds the sigma of the chroma for range filter.
    Definition: nvmedia_ldc.h:532
    NvMediaLdcRegionParameters::numRegionsX
    uint32_t numRegionsX
    Holds the number of horizontal regions.
    Definition: nvmedia_ldc.h:335
    NvMediaLdcTnrParameters::alphaSmoothEnable
    bool alphaSmoothEnable
    Holds a flag which enables or disables the spatial alpha smooth.
    Definition: nvmedia_ldc.h:547
    NvMediaLdcChecksum
    Represents a checksum.
    Definition: nvmedia_ldc.h:614
    NvMediaLdcMaskMapParameters::pixelMasks
    const bool * pixelMasks
    Holds the value for the Mask Map surface.
    Definition: nvmedia_ldc.h:501
    NvMediaLdcTnrParameters::sadMultiplier
    float sadMultiplier
    Holds the SAD multiplier parameter.
    Definition: nvmedia_ldc.h:538
    NvMediaLdcDestroy
    NvMediaStatus NvMediaLdcDestroy(NvMediaLdc *const handle)
    Destroys the NvMediaLdc context.
    NvMediaLdcMaskMapParameters::maskColorY
    float maskColorY
    Holds the Y channel value of the mask color.
    Definition: nvmedia_ldc.h:481
    NvMediaStatus
    NvMediaStatus
    Defines all possible error codes.
    Definition: nvmedia_core.h:104
    NVMEDIA_LDC_CHECKSUM_MODE_DISABLED
    @ NVMEDIA_LDC_CHECKSUM_MODE_DISABLED
    No checksum calculated. This is the default behavior.
    Definition: nvmedia_ldc.h:628
    NvMediaLdcAttributes::maxRegisteredSyncs
    uint32_t maxRegisteredSyncs
    Maximum number of sync objects that can be registered.
    Definition: nvmedia_ldc.h:146
    NvMediaLdcProcess
    NvMediaStatus NvMediaLdcProcess(NvMediaLdc *const handle, NvMediaLdcParameters const params, NvMediaLdcResult *const result)
    Performs LDC operation.
    NvMediaLdcTnrParameters::spatialSigmaLuma
    uint32_t spatialSigmaLuma
    Holds the sigma of the luma for spatial filter.
    Definition: nvmedia_ldc.h:514
    NvMediaLdcParametersAttributes::enableTnr
    bool enableTnr
    Whether to allocate memory for data structures required for TNR processing.
    Definition: nvmedia_ldc.h:179
    NvMediaLdcAttributes::flags
    uint32_t flags
    Internal use only.
    Definition: nvmedia_ldc.h:149
    NvMediaLdcAttributes::maxRegisteredBuffers
    uint32_t maxRegisteredBuffers
    Maximum number of buffers that can be registered.
    Definition: nvmedia_ldc.h:138
    NvMediaLdcTnrParameters::betaX2
    float betaX2
    Holds parameter BetaX2 in Beta Calculation.
    Definition: nvmedia_ldc.h:595
    NvMediaLdcDestroyParameters
    NvMediaStatus NvMediaLdcDestroyParameters(NvMediaLdc *const handle, NvMediaLdcParameters const params)
    Destroys an NvMediaLdcParameters instance.
    NvMediaLdcParameters
    uint32_t NvMediaLdcParameters
    Stores configuration for the NvMediaLdcProcess() operation.
    Definition: nvmedia_ldc.h:106
    NvMediaVersion
    Holds NvMedia version information.
    Definition: nvmedia_core.h:164
    NvMediaLdcChecksumMode
    NvMediaLdcChecksumMode
    NvMedia LDC checksum mode.
    Definition: nvmedia_ldc.h:625
    NvMediaLdcTnrParameters::alphaMinLuma
    float alphaMinLuma
    Holds the min luma value in Alpha Clip Calculation.
    Definition: nvmedia_ldc.h:571
    NvMediaLdcSetGeometry
    NvMediaStatus NvMediaLdcSetGeometry(NvMediaLdc *const handle, NvMediaLdcParameters const params, NvMediaRect const *const srcRect, NvMediaRect const *const dstRect)
    Sets source and destination rectangles for LDC operation.
    NvMediaLdcIptParameters
    Holds inverse perspective transformation configuration.
    Definition: nvmedia_ldc.h:360
    NvMediaLdcFilter
    NvMediaLdcFilter
    VIC filter mode.
    Definition: nvmedia_ldc.h:230
    NvMediaLdcParametersAttributes::enableMaskMap
    bool enableMaskMap
    Whether to allocate memory for Mask Map.
    Definition: nvmedia_ldc.h:182
    NvMediaLdcParametersAttributes::maxDstHeight
    uint32_t maxDstHeight
    Maximum allowed destination rectangle height.
    Definition: nvmedia_ldc.h:202
    NvMediaLdcSetFilter
    NvMediaStatus NvMediaLdcSetFilter(NvMediaLdc *const handle, NvMediaLdcParameters const params, NvMediaLdcFilter const filter)
    Sets the filter mode to use for LDC pixel interpolation.
    NvMediaLdcResetTnr
    NvMediaStatus NvMediaLdcResetTnr(NvMediaLdc *const handle, NvMediaLdcParameters const params)
    Resets TNR algorithm state.
    NvMediaLdcTnrParameters::betaX1
    float betaX1
    Holds parameter BetaX1 in Beta Calculation.
    Definition: nvmedia_ldc.h:589
    NvMediaLdcAttributes
    Attributes structure for NvMediaLdcCreate().
    Definition: nvmedia_ldc.h:119
    NvMediaLdcSetTnrParameters
    NvMediaStatus NvMediaLdcSetTnrParameters(NvMediaLdc *const handle, NvMediaLdcParameters const params, NvMediaLdcTnrParameters const *const tnrParams)
    Sets Temporal Noise Reduction (TNR) parameters.
    NvMediaLdcSetIptParameters
    NvMediaStatus NvMediaLdcSetIptParameters(NvMediaLdc *const handle, NvMediaLdcParameters const params, NvMediaLdcIptParameters const *const iptParams)
    Sets parameters for LDC Inverse Perspective Transform (IPT) operation.
    NvMediaLdcWarpMapParameters::regionParams
    NvMediaLdcRegionParameters regionParams
    Specifies the regions paramters.
    Definition: nvmedia_ldc.h:441
    NvMediaLdcTnrParameters
    Holds the TNR3 initialization parameters.
    Definition: nvmedia_ldc.h:508
    NvMediaLdcTnrParameters::maxBeta
    float maxBeta
    Holds parameter MaxBeta threshold in Beta Calculation.
    Definition: nvmedia_ldc.h:601
    NvMediaLdcMaskMapParameters::useMaskColor
    bool useMaskColor
    Indicates whether to fill the masked pixel with the mask color.
    Definition: nvmedia_ldc.h:475
    NvMediaRect
    Holds a rectangular region of a surface.
    Definition: nvmedia_core.h:89
    nvmedia_core.h
    NVIDIA Media Interface: Core
    NvMediaLdcSetChecksumMode
    NvMediaStatus NvMediaLdcSetChecksumMode(NvMediaLdc *const handle, NvMediaLdcParameters const params, NvMediaLdcChecksumMode const checksumMode)
    Sets checksum calculation mode.
    NvMediaLdcAttributes::maxParameters
    uint32_t maxParameters
    Number of parameters objects to allocate.
    Definition: nvmedia_ldc.h:130
    NvMediaLdcRegionParameters
    Holds the NvMedia LDC region configuration.
    Definition: nvmedia_ldc.h:331
    NvMediaLdcMaskMapParameters::maskColorV
    float maskColorV
    Holds the V channel value of the mask color.
    Definition: nvmedia_ldc.h:493
    NvMediaLdcTnrParameters::minBeta
    float minBeta
    Holds parameter BetaX2 in Beta Calculation.
    Definition: nvmedia_ldc.h:607
    NvMediaLdcTnrParameters::alphaIncreaseCap
    float alphaIncreaseCap
    Holds the temporal alpha restrict increase capablility.
    Definition: nvmedia_ldc.h:553
    NvMediaLdcGetChecksum
    NvMediaStatus NvMediaLdcGetChecksum(NvMediaLdc *const handle, NvMediaLdcResult const *const result, NvMediaLdcChecksum *const checksum)
    Gets a checksum calculated for an NvMediaLdcProcess() operation.
    NvMediaLdcParametersAttributes::maxWarpMapWidth
    uint32_t maxWarpMapWidth
    Maximum allowed number of control points horizontally in a warp map.
    Definition: nvmedia_ldc.h:166
    NvMediaLdcWarpMapParameters::controlPoints
    const NvMediaLdcControlPoint * controlPoints
    Array of control points across all the regions stored in a row-major order.
    Definition: nvmedia_ldc.h:451
    NvMediaLdcTnrParameters::alphaMinChroma
    float alphaMinChroma
    Holds the min chroma value in Alpha Clip Calculation.
    Definition: nvmedia_ldc.h:583
    NvMediaLdcParametersAttributes::maxDstWidth
    uint32_t maxDstWidth
    Maximum allowed destination rectangle width.
    Definition: nvmedia_ldc.h:192
    NvMediaLdcTnrParameters::spatialSigmaChroma
    uint32_t spatialSigmaChroma
    Holds the sigma of the chroma for spatial filter.
    Definition: nvmedia_ldc.h:520
    NvMediaLdcTnrParameters::alphaMaxChroma
    float alphaMaxChroma
    Holds the max chroma value in Alpha Clip Calculation.
    Definition: nvmedia_ldc.h:577
    NvMediaLdcCreateParameters
    NvMediaStatus NvMediaLdcCreateParameters(NvMediaLdc *const handle, NvMediaLdcParametersAttributes const *const attr, NvMediaLdcParameters *const params)
    Creates and returns an NvMediaLdcParameters instance.
    NVMEDIA_LDC_MAX_REGIONS_X
    #define NVMEDIA_LDC_MAX_REGIONS_X
    Maximum number of horizontal regions.
    Definition: nvmedia_ldc.h:243
    NvMediaLdcSetWarpMapParameters
    NvMediaStatus NvMediaLdcSetWarpMapParameters(NvMediaLdc *const handle, NvMediaLdcParameters const params, NvMediaLdcWarpMapParameters const *const warpMapParams)
    Sets parameters for LDC Warp Map.
    NvMediaLdcControlPoint
    Represents a control point.
    Definition: nvmedia_ldc.h:374
    NvMediaLdcControlPoint::x
    float x
    Horizontal coordinate.
    Definition: nvmedia_ldc.h:380
    NvMediaLdcMaskMapParameters::maskColorU
    float maskColorU
    Holds the U channel value of the mask color.
    Definition: nvmedia_ldc.h:487
    NvMediaLdcResult::operationId
    uint64_t operationId
    ID number for operation that was submitted to NvMediaLdcProcess().
    Definition: nvmedia_ldc.h:223
    NvMediaLdcParametersAttributes
    Attributes that specify resources needed for NvMediaLdcParameters instance.
    Definition: nvmedia_ldc.h:157
    NvMediaLdcWarpMapParameters
    Holds the NvMedia LDC definition of a Warp Map.
    Definition: nvmedia_ldc.h:438
    NvMediaLdcCreate
    NvMediaStatus NvMediaLdcCreate(NvMediaLdc **const handle, NvMediaLdcAttributes const *const attr)
    Creates a new NvMediaLdc context.
    NVMEDIA_LDC_CHECKSUM_NUM_BYTES
    #define NVMEDIA_LDC_CHECKSUM_NUM_BYTES
    Number of bytes in NvMedia LDC checksums.
    Definition: nvmedia_ldc.h:611
    NvMediaLdcSetMaskMapParameters
    NvMediaStatus NvMediaLdcSetMaskMapParameters(NvMediaLdc *const handle, NvMediaLdcParameters const params, NvMediaLdcMaskMapParameters const *const maskMapParams)
    Sets parameters for LDC Mask Map.
    NvMediaLdcTnrParameters::sadWeightLuma
    float sadWeightLuma
    Holds the weight of luma when calculating SAD.
    Definition: nvmedia_ldc.h:544
    NvMediaLdc
    struct NvMediaLdc NvMediaLdc
    NvMediaLdc context.
    Definition: nvmedia_ldc.h:79
    NvMediaLdcWarpMapParameters::numControlPoints
    uint32_t numControlPoints
    Number of control points in the controlPoints array.
    Definition: nvmedia_ldc.h:447
    NvMediaLdcTnrParameters::rangeSigmaLuma
    uint32_t rangeSigmaLuma
    Holds the sigma of the luma for range filter.
    Definition: nvmedia_ldc.h:526
    NvMediaLdcIptParameters::regionParams
    NvMediaLdcRegionParameters regionParams
    Specifies the regions parameters.
    Definition: nvmedia_ldc.h:363
    NVMEDIA_LDC_FILTER_LOW
    @ NVMEDIA_LDC_FILTER_LOW
    Low quality filtering.
    Definition: nvmedia_ldc.h:236
    NVMEDIA_LDC_FILTER_MEDIUM
    @ NVMEDIA_LDC_FILTER_MEDIUM
    Medium quality filtering.
    Definition: nvmedia_ldc.h:239
    NvMediaLdcResult
    Stores information returned from NvMediaLdcProcess().
    Definition: nvmedia_ldc.h:215
    NvMediaLdcGetVersion
    NvMediaStatus NvMediaLdcGetVersion(NvMediaVersion *const version)
    Returns the version number of the NvMedia LDC library.
    NvMediaLdcControlPoint::y
    float y
    Vertical coordinate.
    Definition: nvmedia_ldc.h:386
    NvMediaLdcMaskMapParameters::width
    uint32_t width
    Holds the width in pixels of the mask map surface, which must be equal to the width of the destinatio...
    Definition: nvmedia_ldc.h:467
    NvMediaLdcRegionParameters::numRegionsY
    uint32_t numRegionsY
    Holds the number of vertical regions.
    Definition: nvmedia_ldc.h:339
    NVMEDIA_LDC_CHECKSUM_MODE_SRC_SURFACE
    @ NVMEDIA_LDC_CHECKSUM_MODE_SRC_SURFACE
    Checksum calculated from source surface pixel data.
    Definition: nvmedia_ldc.h:631
    NVMEDIA_LDC_MAX_REGIONS_Y
    #define NVMEDIA_LDC_MAX_REGIONS_Y
    Maximum number of vertical regions.
    Definition: nvmedia_ldc.h:246
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