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144 lines
5.3 KiB
C
144 lines
5.3 KiB
C
/* GStreamer
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* Copyright (C) <2018-2019> Seungha Yang <seungha.yang@navercorp.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_VIDEO_HDR_H__
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#define __GST_VIDEO_HDR_H__
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#include <gst/gst.h>
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#include <gst/video/video-prelude.h>
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G_BEGIN_DECLS
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typedef struct _GstVideoMasteringDisplayInfoCoordinates GstVideoMasteringDisplayInfoCoordinates;
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typedef struct _GstVideoMasteringDisplayInfo GstVideoMasteringDisplayInfo;
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typedef struct _GstVideoContentLightLevel GstVideoContentLightLevel;
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/**
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* GstVideoMasteringDisplayInfoCoordinates:
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* @x: the x coordinate of CIE 1931 color space in unit of 0.00002.
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* @y: the y coordinate of CIE 1931 color space in unit of 0.00002.
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*
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* Used to represent display_primaries and white_point of
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* #GstVideoMasteringDisplayInfo struct. See #GstVideoMasteringDisplayInfo
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*
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* Since: 1.18
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*/
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struct _GstVideoMasteringDisplayInfoCoordinates
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{
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guint16 x;
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guint16 y;
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};
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/**
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* GstVideoMasteringDisplayInfo:
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* @display_primaries: the xy coordinates of primaries in the CIE 1931 color space.
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* the index 0 contains red, 1 is for green and 2 is for blue.
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* each value is normalized to 50000 (meaning that in unit of 0.00002)
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* @white_point: the xy coordinates of white point in the CIE 1931 color space.
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* each value is normalized to 50000 (meaning that in unit of 0.00002)
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* @max_display_mastering_luminance: the maximum value of display luminance
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* in unit of 0.0001 candelas per square metre (cd/m^2 and nit)
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* @min_display_mastering_luminance: the minimum value of display luminance
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* in unit of 0.0001 candelas per square metre (cd/m^2 and nit)
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*
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* Mastering display color volume information defined by SMPTE ST 2086
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* (a.k.a static HDR metadata).
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*
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* Since: 1.18
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*/
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struct _GstVideoMasteringDisplayInfo
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{
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GstVideoMasteringDisplayInfoCoordinates display_primaries[3];
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GstVideoMasteringDisplayInfoCoordinates white_point;
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guint32 max_display_mastering_luminance;
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guint32 min_display_mastering_luminance;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_VIDEO_API
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void gst_video_mastering_display_info_init (GstVideoMasteringDisplayInfo * minfo);
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GST_VIDEO_API
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gboolean gst_video_mastering_display_info_from_string (GstVideoMasteringDisplayInfo * minfo,
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const gchar * mastering);
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GST_VIDEO_API
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gchar * gst_video_mastering_display_info_to_string (const GstVideoMasteringDisplayInfo * minfo);
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GST_VIDEO_API
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gboolean gst_video_mastering_display_info_is_equal (const GstVideoMasteringDisplayInfo * minfo,
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const GstVideoMasteringDisplayInfo * other);
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GST_VIDEO_API
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gboolean gst_video_mastering_display_info_from_caps (GstVideoMasteringDisplayInfo * minfo,
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const GstCaps * caps);
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GST_VIDEO_API
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gboolean gst_video_mastering_display_info_add_to_caps (const GstVideoMasteringDisplayInfo * minfo,
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GstCaps * caps);
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/**
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* GstVideoContentLightLevel:
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* @max_content_light_level: the maximum content light level
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* (abbreviated to MaxCLL) in candelas per square meter (cd/m^2 and nit)
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* @max_frame_average_light_level: the maximum frame average light level
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* (abbreviated to MaxFLL) in candelas per square meter (cd/m^2 and nit)
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*
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* Content light level information specified in CEA-861.3, Appendix A.
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*
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* Since: 1.18
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*/
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struct _GstVideoContentLightLevel
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{
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guint16 max_content_light_level;
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guint16 max_frame_average_light_level;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_VIDEO_API
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void gst_video_content_light_level_init (GstVideoContentLightLevel * linfo);
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GST_VIDEO_API
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gboolean gst_video_content_light_level_from_string (GstVideoContentLightLevel * linfo,
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const gchar * level);
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GST_VIDEO_API
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gchar * gst_video_content_light_level_to_string (const GstVideoContentLightLevel * linfo);
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GST_VIDEO_API
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gboolean gst_video_content_light_level_is_equal (const GstVideoContentLightLevel * linfo,
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const GstVideoContentLightLevel * other);
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GST_VIDEO_API
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gboolean gst_video_content_light_level_from_caps (GstVideoContentLightLevel * linfo,
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const GstCaps * caps);
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GST_VIDEO_API
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gboolean gst_video_content_light_level_add_to_caps (const GstVideoContentLightLevel * linfo,
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GstCaps * caps);
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G_END_DECLS
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#endif /* __GST_VIDEO_HDR_H__ */
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