This structure describes information about the reference display width(s) and reference viewing distance(s) as well as information about the corresponding reference stereo pair(s). More...

#include <libavutil/tdrdi.h>

Data Fields
uint8_t	prec_ref_display_width
	The exponent of the maximum allowable truncation error for {exponent,mantissa}_ref_display_width as given by 2^{(-prec_ref_display_width)}.
uint8_t	ref_viewing_distance_flag
	A flag to indicate the presence of reference viewing distance.
uint8_t	prec_ref_viewing_dist
	The exponent of the maximum allowable truncation error for {exponent,mantissa}_ref_viewing_distance as given by 2^{^(-prec_ref_viewing_dist)}.
uint8_t	num_ref_displays
	The number of reference displays that are signalled in this struct.
size_t	entries_offset
	Offset in bytes from the beginning of this structure at which the array of reference displays starts.
size_t	entry_size
	Size of each entry in bytes.

Detailed Description

This structure describes information about the reference display width(s) and reference viewing distance(s) as well as information about the corresponding reference stereo pair(s).

See section G.14.3.2.3 of ITU-T H.265 for more information.

Note: The struct must be allocated with av_tdrdi_alloc() and its size is not a part of the public ABI.

Definition at line 53 of file tdrdi.h.

Field Documentation

◆ prec_ref_display_width

uint8_t AV3DReferenceDisplaysInfo::prec_ref_display_width

The exponent of the maximum allowable truncation error for {exponent,mantissa}_ref_display_width as given by 2^{(-prec_ref_display_width)}.

Definition at line 58 of file tdrdi.h.

◆ ref_viewing_distance_flag

uint8_t AV3DReferenceDisplaysInfo::ref_viewing_distance_flag

A flag to indicate the presence of reference viewing distance.

If false, the values of prec_ref_viewing_dist, exponent_ref_viewing_distance, and mantissa_ref_viewing_distance are undefined.

Definition at line 65 of file tdrdi.h.

◆ prec_ref_viewing_dist

uint8_t AV3DReferenceDisplaysInfo::prec_ref_viewing_dist

The exponent of the maximum allowable truncation error for {exponent,mantissa}_ref_viewing_distance as given by 2^{^(-prec_ref_viewing_dist)}.

The value of prec_ref_viewing_dist shall be in the range of 0 to 31, inclusive.

Definition at line 72 of file tdrdi.h.

◆ num_ref_displays

uint8_t AV3DReferenceDisplaysInfo::num_ref_displays

The number of reference displays that are signalled in this struct.

Allowed range is 1 to 32, inclusive.

Definition at line 78 of file tdrdi.h.

◆ entries_offset

size_t AV3DReferenceDisplaysInfo::entries_offset

Offset in bytes from the beginning of this structure at which the array of reference displays starts.

Definition at line 84 of file tdrdi.h.

Referenced by av_tdrdi_get_display().

◆ entry_size

size_t AV3DReferenceDisplaysInfo::entry_size

Size of each entry in bytes.

May not match sizeof(AV3DReferenceDisplay).

Definition at line 89 of file tdrdi.h.