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* ffmpeg 5.0.1 build with: ./configure --disable-programs --disable-swscale --disable-avdevice --disable-avfilter --enable-shared --disable-xlib * arm64 libraries build on my M1 Macbook Pro, and x86_64 build on github action * Qt6.2 produce an uniserval binary, so delete macos-m1.yml. * add Ad-Hoc code sign
344 lines
12 KiB
C
344 lines
12 KiB
C
/*
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* Copyright (c) 2018 Mohammad Izadi <moh.izadi at gmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_HDR_DYNAMIC_METADATA_H
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#define AVUTIL_HDR_DYNAMIC_METADATA_H
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#include "frame.h"
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#include "rational.h"
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/**
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* Option for overlapping elliptical pixel selectors in an image.
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*/
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enum AVHDRPlusOverlapProcessOption {
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AV_HDR_PLUS_OVERLAP_PROCESS_WEIGHTED_AVERAGING = 0,
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AV_HDR_PLUS_OVERLAP_PROCESS_LAYERING = 1,
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};
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/**
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* Represents the percentile at a specific percentage in
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* a distribution.
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*/
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typedef struct AVHDRPlusPercentile {
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/**
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* The percentage value corresponding to a specific percentile linearized
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* RGB value in the processing window in the scene. The value shall be in
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* the range of 0 to100, inclusive.
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*/
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uint8_t percentage;
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/**
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* The linearized maxRGB value at a specific percentile in the processing
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* window in the scene. The value shall be in the range of 0 to 1, inclusive
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* and in multiples of 0.00001.
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*/
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AVRational percentile;
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} AVHDRPlusPercentile;
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/**
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* Color transform parameters at a processing window in a dynamic metadata for
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* SMPTE 2094-40.
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*/
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typedef struct AVHDRPlusColorTransformParams {
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/**
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* The relative x coordinate of the top left pixel of the processing
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* window. The value shall be in the range of 0 and 1, inclusive and
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* in multiples of 1/(width of Picture - 1). The value 1 corresponds
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* to the absolute coordinate of width of Picture - 1. The value for
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* first processing window shall be 0.
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*/
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AVRational window_upper_left_corner_x;
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/**
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* The relative y coordinate of the top left pixel of the processing
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* window. The value shall be in the range of 0 and 1, inclusive and
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* in multiples of 1/(height of Picture - 1). The value 1 corresponds
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* to the absolute coordinate of height of Picture - 1. The value for
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* first processing window shall be 0.
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*/
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AVRational window_upper_left_corner_y;
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/**
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* The relative x coordinate of the bottom right pixel of the processing
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* window. The value shall be in the range of 0 and 1, inclusive and
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* in multiples of 1/(width of Picture - 1). The value 1 corresponds
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* to the absolute coordinate of width of Picture - 1. The value for
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* first processing window shall be 1.
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*/
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AVRational window_lower_right_corner_x;
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/**
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* The relative y coordinate of the bottom right pixel of the processing
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* window. The value shall be in the range of 0 and 1, inclusive and
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* in multiples of 1/(height of Picture - 1). The value 1 corresponds
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* to the absolute coordinate of height of Picture - 1. The value for
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* first processing window shall be 1.
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*/
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AVRational window_lower_right_corner_y;
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/**
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* The x coordinate of the center position of the concentric internal and
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* external ellipses of the elliptical pixel selector in the processing
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* window. The value shall be in the range of 0 to (width of Picture - 1),
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* inclusive and in multiples of 1 pixel.
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*/
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uint16_t center_of_ellipse_x;
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/**
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* The y coordinate of the center position of the concentric internal and
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* external ellipses of the elliptical pixel selector in the processing
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* window. The value shall be in the range of 0 to (height of Picture - 1),
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* inclusive and in multiples of 1 pixel.
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*/
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uint16_t center_of_ellipse_y;
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/**
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* The clockwise rotation angle in degree of arc with respect to the
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* positive direction of the x-axis of the concentric internal and external
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* ellipses of the elliptical pixel selector in the processing window. The
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* value shall be in the range of 0 to 180, inclusive and in multiples of 1.
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*/
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uint8_t rotation_angle;
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/**
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* The semi-major axis value of the internal ellipse of the elliptical pixel
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* selector in amount of pixels in the processing window. The value shall be
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* in the range of 1 to 65535, inclusive and in multiples of 1 pixel.
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*/
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uint16_t semimajor_axis_internal_ellipse;
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/**
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* The semi-major axis value of the external ellipse of the elliptical pixel
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* selector in amount of pixels in the processing window. The value
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* shall not be less than semimajor_axis_internal_ellipse of the current
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* processing window. The value shall be in the range of 1 to 65535,
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* inclusive and in multiples of 1 pixel.
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*/
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uint16_t semimajor_axis_external_ellipse;
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/**
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* The semi-minor axis value of the external ellipse of the elliptical pixel
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* selector in amount of pixels in the processing window. The value shall be
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* in the range of 1 to 65535, inclusive and in multiples of 1 pixel.
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*/
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uint16_t semiminor_axis_external_ellipse;
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/**
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* Overlap process option indicates one of the two methods of combining
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* rendered pixels in the processing window in an image with at least one
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* elliptical pixel selector. For overlapping elliptical pixel selectors
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* in an image, overlap_process_option shall have the same value.
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*/
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enum AVHDRPlusOverlapProcessOption overlap_process_option;
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/**
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* The maximum of the color components of linearized RGB values in the
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* processing window in the scene. The values should be in the range of 0 to
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* 1, inclusive and in multiples of 0.00001. maxscl[ 0 ], maxscl[ 1 ], and
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* maxscl[ 2 ] are corresponding to R, G, B color components respectively.
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*/
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AVRational maxscl[3];
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/**
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* The average of linearized maxRGB values in the processing window in the
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* scene. The value should be in the range of 0 to 1, inclusive and in
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* multiples of 0.00001.
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*/
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AVRational average_maxrgb;
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/**
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* The number of linearized maxRGB values at given percentiles in the
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* processing window in the scene. The maximum value shall be 15.
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*/
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uint8_t num_distribution_maxrgb_percentiles;
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/**
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* The linearized maxRGB values at given percentiles in the
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* processing window in the scene.
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*/
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AVHDRPlusPercentile distribution_maxrgb[15];
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/**
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* The fraction of selected pixels in the image that contains the brightest
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* pixel in the scene. The value shall be in the range of 0 to 1, inclusive
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* and in multiples of 0.001.
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*/
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AVRational fraction_bright_pixels;
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/**
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* This flag indicates that the metadata for the tone mapping function in
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* the processing window is present (for value of 1).
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*/
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uint8_t tone_mapping_flag;
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/**
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* The x coordinate of the separation point between the linear part and the
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* curved part of the tone mapping function. The value shall be in the range
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* of 0 to 1, excluding 0 and in multiples of 1/4095.
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*/
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AVRational knee_point_x;
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/**
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* The y coordinate of the separation point between the linear part and the
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* curved part of the tone mapping function. The value shall be in the range
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* of 0 to 1, excluding 0 and in multiples of 1/4095.
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*/
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AVRational knee_point_y;
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/**
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* The number of the intermediate anchor parameters of the tone mapping
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* function in the processing window. The maximum value shall be 15.
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*/
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uint8_t num_bezier_curve_anchors;
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/**
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* The intermediate anchor parameters of the tone mapping function in the
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* processing window in the scene. The values should be in the range of 0
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* to 1, inclusive and in multiples of 1/1023.
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*/
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AVRational bezier_curve_anchors[15];
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/**
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* This flag shall be equal to 0 in bitstreams conforming to this version of
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* this Specification. Other values are reserved for future use.
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*/
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uint8_t color_saturation_mapping_flag;
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/**
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* The color saturation gain in the processing window in the scene. The
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* value shall be in the range of 0 to 63/8, inclusive and in multiples of
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* 1/8. The default value shall be 1.
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*/
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AVRational color_saturation_weight;
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} AVHDRPlusColorTransformParams;
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/**
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* This struct represents dynamic metadata for color volume transform -
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* application 4 of SMPTE 2094-40:2016 standard.
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*
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* To be used as payload of a AVFrameSideData or AVPacketSideData with the
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* appropriate type.
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*
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* @note The struct should be allocated with
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* av_dynamic_hdr_plus_alloc() and its size is not a part of
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* the public ABI.
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*/
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typedef struct AVDynamicHDRPlus {
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/**
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* Country code by Rec. ITU-T T.35 Annex A. The value shall be 0xB5.
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*/
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uint8_t itu_t_t35_country_code;
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/**
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* Application version in the application defining document in ST-2094
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* suite. The value shall be set to 0.
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*/
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uint8_t application_version;
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/**
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* The number of processing windows. The value shall be in the range
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* of 1 to 3, inclusive.
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*/
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uint8_t num_windows;
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/**
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* The color transform parameters for every processing window.
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*/
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AVHDRPlusColorTransformParams params[3];
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/**
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* The nominal maximum display luminance of the targeted system display,
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* in units of 0.0001 candelas per square metre. The value shall be in
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* the range of 0 to 10000, inclusive.
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*/
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AVRational targeted_system_display_maximum_luminance;
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/**
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* This flag shall be equal to 0 in bit streams conforming to this version
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* of this Specification. The value 1 is reserved for future use.
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*/
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uint8_t targeted_system_display_actual_peak_luminance_flag;
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/**
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* The number of rows in the targeted system_display_actual_peak_luminance
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* array. The value shall be in the range of 2 to 25, inclusive.
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*/
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uint8_t num_rows_targeted_system_display_actual_peak_luminance;
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/**
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* The number of columns in the
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* targeted_system_display_actual_peak_luminance array. The value shall be
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* in the range of 2 to 25, inclusive.
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*/
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uint8_t num_cols_targeted_system_display_actual_peak_luminance;
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/**
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* The normalized actual peak luminance of the targeted system display. The
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* values should be in the range of 0 to 1, inclusive and in multiples of
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* 1/15.
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*/
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AVRational targeted_system_display_actual_peak_luminance[25][25];
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/**
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* This flag shall be equal to 0 in bitstreams conforming to this version of
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* this Specification. The value 1 is reserved for future use.
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*/
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uint8_t mastering_display_actual_peak_luminance_flag;
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/**
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* The number of rows in the mastering_display_actual_peak_luminance array.
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* The value shall be in the range of 2 to 25, inclusive.
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*/
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uint8_t num_rows_mastering_display_actual_peak_luminance;
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/**
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* The number of columns in the mastering_display_actual_peak_luminance
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* array. The value shall be in the range of 2 to 25, inclusive.
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*/
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uint8_t num_cols_mastering_display_actual_peak_luminance;
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/**
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* The normalized actual peak luminance of the mastering display used for
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* mastering the image essence. The values should be in the range of 0 to 1,
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* inclusive and in multiples of 1/15.
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*/
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AVRational mastering_display_actual_peak_luminance[25][25];
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} AVDynamicHDRPlus;
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/**
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* Allocate an AVDynamicHDRPlus structure and set its fields to
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* default values. The resulting struct can be freed using av_freep().
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*
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* @return An AVDynamicHDRPlus filled with default values or NULL
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* on failure.
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*/
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AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t *size);
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/**
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* Allocate a complete AVDynamicHDRPlus and add it to the frame.
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* @param frame The frame which side data is added to.
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*
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* @return The AVDynamicHDRPlus structure to be filled by caller or NULL
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* on failure.
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*/
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AVDynamicHDRPlus *av_dynamic_hdr_plus_create_side_data(AVFrame *frame);
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#endif /* AVUTIL_HDR_DYNAMIC_METADATA_H */
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