FFmpeg
Data Fields
AVHDRPlusColorTransformParams Struct Reference

Color transform parameters at a processing window in a dynamic metadata for SMPTE 2094-40. More...

#include <hdr_dynamic_metadata.h>

Data Fields

AVRational window_upper_left_corner_x
 The relative x coordinate of the top left pixel of the processing window. More...
 
AVRational window_upper_left_corner_y
 The relative y coordinate of the top left pixel of the processing window. More...
 
AVRational window_lower_right_corner_x
 The relative x coordinate of the bottom right pixel of the processing window. More...
 
AVRational window_lower_right_corner_y
 The relative y coordinate of the bottom right pixel of the processing window. More...
 
uint16_t center_of_ellipse_x
 The x coordinate of the center position of the concentric internal and external ellipses of the elliptical pixel selector in the processing window. More...
 
uint16_t center_of_ellipse_y
 The y coordinate of the center position of the concentric internal and external ellipses of the elliptical pixel selector in the processing window. More...
 
uint8_t rotation_angle
 The clockwise rotation angle in degree of arc with respect to the positive direction of the x-axis of the concentric internal and external ellipses of the elliptical pixel selector in the processing window. More...
 
uint16_t semimajor_axis_internal_ellipse
 The semi-major axis value of the internal ellipse of the elliptical pixel selector in amount of pixels in the processing window. More...
 
uint16_t semimajor_axis_external_ellipse
 The semi-major axis value of the external ellipse of the elliptical pixel selector in amount of pixels in the processing window. More...
 
uint16_t semiminor_axis_external_ellipse
 The semi-minor axis value of the external ellipse of the elliptical pixel selector in amount of pixels in the processing window. More...
 
enum AVHDRPlusOverlapProcessOption overlap_process_option
 Overlap process option indicates one of the two methods of combining rendered pixels in the processing window in an image with at least one elliptical pixel selector. More...
 
AVRational maxscl [3]
 The maximum of the color components of linearized RGB values in the processing window in the scene. More...
 
AVRational average_maxrgb
 The average of linearized maxRGB values in the processing window in the scene. More...
 
uint8_t num_distribution_maxrgb_percentiles
 The number of linearized maxRGB values at given percentiles in the processing window in the scene. More...
 
AVHDRPlusPercentile distribution_maxrgb [15]
 The linearized maxRGB values at given percentiles in the processing window in the scene. More...
 
AVRational fraction_bright_pixels
 The fraction of selected pixels in the image that contains the brightest pixel in the scene. More...
 
uint8_t tone_mapping_flag
 This flag indicates that the metadata for the tone mapping function in the processing window is present (for value of 1). More...
 
AVRational knee_point_x
 The x coordinate of the separation point between the linear part and the curved part of the tone mapping function. More...
 
AVRational knee_point_y
 The y coordinate of the separation point between the linear part and the curved part of the tone mapping function. More...
 
uint8_t num_bezier_curve_anchors
 The number of the intermediate anchor parameters of the tone mapping function in the processing window. More...
 
AVRational bezier_curve_anchors [15]
 The intermediate anchor parameters of the tone mapping function in the processing window in the scene. More...
 
uint8_t color_saturation_mapping_flag
 This flag shall be equal to 0 in bitstreams conforming to this version of this Specification. More...
 
AVRational color_saturation_weight
 The color saturation gain in the processing window in the scene. More...
 

Detailed Description

Color transform parameters at a processing window in a dynamic metadata for SMPTE 2094-40.

Definition at line 59 of file hdr_dynamic_metadata.h.

Field Documentation

AVRational AVHDRPlusColorTransformParams::window_upper_left_corner_x

The relative x coordinate of the top left pixel of the processing window.

The value shall be in the range of 0 and 1, inclusive and in multiples of 1/(width of Picture - 1). The value 1 corresponds to the absolute coordinate of width of Picture - 1. The value for first processing window shall be 0.

Definition at line 67 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::window_upper_left_corner_y

The relative y coordinate of the top left pixel of the processing window.

The value shall be in the range of 0 and 1, inclusive and in multiples of 1/(height of Picture - 1). The value 1 corresponds to the absolute coordinate of height of Picture - 1. The value for first processing window shall be 0.

Definition at line 76 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::window_lower_right_corner_x

The relative x coordinate of the bottom right pixel of the processing window.

The value shall be in the range of 0 and 1, inclusive and in multiples of 1/(width of Picture - 1). The value 1 corresponds to the absolute coordinate of width of Picture - 1. The value for first processing window shall be 1.

Definition at line 85 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::window_lower_right_corner_y

The relative y coordinate of the bottom right pixel of the processing window.

The value shall be in the range of 0 and 1, inclusive and in multiples of 1/(height of Picture - 1). The value 1 corresponds to the absolute coordinate of height of Picture - 1. The value for first processing window shall be 1.

Definition at line 94 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint16_t AVHDRPlusColorTransformParams::center_of_ellipse_x

The x coordinate of the center position of the concentric internal and external ellipses of the elliptical pixel selector in the processing window.

The value shall be in the range of 0 to (width of Picture - 1), inclusive and in multiples of 1 pixel.

Definition at line 102 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint16_t AVHDRPlusColorTransformParams::center_of_ellipse_y

The y coordinate of the center position of the concentric internal and external ellipses of the elliptical pixel selector in the processing window.

The value shall be in the range of 0 to (height of Picture - 1), inclusive and in multiples of 1 pixel.

Definition at line 110 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint8_t AVHDRPlusColorTransformParams::rotation_angle

The clockwise rotation angle in degree of arc with respect to the positive direction of the x-axis of the concentric internal and external ellipses of the elliptical pixel selector in the processing window.

The value shall be in the range of 0 to 180, inclusive and in multiples of 1.

Definition at line 118 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint16_t AVHDRPlusColorTransformParams::semimajor_axis_internal_ellipse

The semi-major axis value of the internal ellipse of the elliptical pixel selector in amount of pixels in the processing window.

The value shall be in the range of 1 to 65535, inclusive and in multiples of 1 pixel.

Definition at line 125 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint16_t AVHDRPlusColorTransformParams::semimajor_axis_external_ellipse

The semi-major axis value of the external ellipse of the elliptical pixel selector in amount of pixels in the processing window.

The value shall not be less than semimajor_axis_internal_ellipse of the current processing window. The value shall be in the range of 1 to 65535, inclusive and in multiples of 1 pixel.

Definition at line 134 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint16_t AVHDRPlusColorTransformParams::semiminor_axis_external_ellipse

The semi-minor axis value of the external ellipse of the elliptical pixel selector in amount of pixels in the processing window.

The value shall be in the range of 1 to 65535, inclusive and in multiples of 1 pixel.

Definition at line 141 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

enum AVHDRPlusOverlapProcessOption AVHDRPlusColorTransformParams::overlap_process_option

Overlap process option indicates one of the two methods of combining rendered pixels in the processing window in an image with at least one elliptical pixel selector.

For overlapping elliptical pixel selectors in an image, overlap_process_option shall have the same value.

Definition at line 149 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::maxscl[3]

The maximum of the color components of linearized RGB values in the processing window in the scene.

The values should be in the range of 0 to 1, inclusive and in multiples of 0.00001. maxscl[ 0 ], maxscl[ 1 ], and maxscl[ 2 ] are corresponding to R, G, B color components respectively.

Definition at line 157 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::average_maxrgb

The average of linearized maxRGB values in the processing window in the scene.

The value should be in the range of 0 to 1, inclusive and in multiples of 0.00001.

Definition at line 164 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint8_t AVHDRPlusColorTransformParams::num_distribution_maxrgb_percentiles

The number of linearized maxRGB values at given percentiles in the processing window in the scene.

The maximum value shall be 15.

Definition at line 170 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVHDRPlusPercentile AVHDRPlusColorTransformParams::distribution_maxrgb[15]

The linearized maxRGB values at given percentiles in the processing window in the scene.

Definition at line 176 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::fraction_bright_pixels

The fraction of selected pixels in the image that contains the brightest pixel in the scene.

The value shall be in the range of 0 to 1, inclusive and in multiples of 0.001.

Definition at line 183 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint8_t AVHDRPlusColorTransformParams::tone_mapping_flag

This flag indicates that the metadata for the tone mapping function in the processing window is present (for value of 1).

Definition at line 189 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::knee_point_x

The x coordinate of the separation point between the linear part and the curved part of the tone mapping function.

The value shall be in the range of 0 to 1, excluding 0 and in multiples of 1/4095.

Definition at line 196 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::knee_point_y

The y coordinate of the separation point between the linear part and the curved part of the tone mapping function.

The value shall be in the range of 0 to 1, excluding 0 and in multiples of 1/4095.

Definition at line 203 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint8_t AVHDRPlusColorTransformParams::num_bezier_curve_anchors

The number of the intermediate anchor parameters of the tone mapping function in the processing window.

The maximum value shall be 15.

Definition at line 209 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::bezier_curve_anchors[15]

The intermediate anchor parameters of the tone mapping function in the processing window in the scene.

The values should be in the range of 0 to 1, inclusive and in multiples of 1/1023.

Definition at line 216 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

uint8_t AVHDRPlusColorTransformParams::color_saturation_mapping_flag

This flag shall be equal to 0 in bitstreams conforming to this version of this Specification.

Other values are reserved for future use.

Definition at line 222 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().

AVRational AVHDRPlusColorTransformParams::color_saturation_weight

The color saturation gain in the processing window in the scene.

The value shall be in the range of 0 to 63/8, inclusive and in multiples of 1/8. The default value shall be 1.

Definition at line 229 of file hdr_dynamic_metadata.h.

Referenced by dump_dynamic_hdr_plus(), ff_parse_itu_t_t35_to_dynamic_hdr10_plus(), and print_dynamic_hdr10_plus().


The documentation for this struct was generated from the following file: