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/* GStreamer
* Copyright (C) <2018-2019> Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_VIDEO_HDR_H__
#define __GST_VIDEO_HDR_H__
#include <gst/gst.h>
#include <gst/video/video-prelude.h>
G_BEGIN_DECLS
typedef struct _GstVideoMasteringDisplayInfoCoordinates GstVideoMasteringDisplayInfoCoordinates;
typedef struct _GstVideoMasteringDisplayInfo GstVideoMasteringDisplayInfo;
typedef struct _GstVideoContentLightLevel GstVideoContentLightLevel;
/**
* GstVideoMasteringDisplayInfoCoordinates:
* @x: the x coordinate of CIE 1931 color space in unit of 0.00002.
* @y: the y coordinate of CIE 1931 color space in unit of 0.00002.
*
* Used to represent display_primaries and white_point of
* #GstVideoMasteringDisplayInfo struct. See #GstVideoMasteringDisplayInfo
*
* Since: 1.18
*/
struct _GstVideoMasteringDisplayInfoCoordinates
{
guint16 x;
guint16 y;
};
/**
* GstVideoMasteringDisplayInfo:
* @display_primaries: the xy coordinates of primaries in the CIE 1931 color space.
* the index 0 contains red, 1 is for green and 2 is for blue.
* each value is normalized to 50000 (meaning that in unit of 0.00002)
* @white_point: the xy coordinates of white point in the CIE 1931 color space.
* each value is normalized to 50000 (meaning that in unit of 0.00002)
* @max_display_mastering_luminance: the maximum value of display luminance
* in unit of 0.0001 candelas per square metre (cd/m^2 and nit)
* @min_display_mastering_luminance: the minimum value of display luminance
* in unit of 0.0001 candelas per square metre (cd/m^2 and nit)
*
* Mastering display color volume information defined by SMPTE ST 2086
* (a.k.a static HDR metadata).
*
* Since: 1.18
*/
struct _GstVideoMasteringDisplayInfo
{
GstVideoMasteringDisplayInfoCoordinates display_primaries[3];
GstVideoMasteringDisplayInfoCoordinates white_point;
guint32 max_display_mastering_luminance;
guint32 min_display_mastering_luminance;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_VIDEO_API
void gst_video_mastering_display_info_init (GstVideoMasteringDisplayInfo * minfo);
GST_VIDEO_API
gboolean gst_video_mastering_display_info_from_string (GstVideoMasteringDisplayInfo * minfo,
const gchar * mastering);
GST_VIDEO_API
gchar * gst_video_mastering_display_info_to_string (const GstVideoMasteringDisplayInfo * minfo);
GST_VIDEO_API
gboolean gst_video_mastering_display_info_is_equal (const GstVideoMasteringDisplayInfo * minfo,
const GstVideoMasteringDisplayInfo * other);
GST_VIDEO_API
gboolean gst_video_mastering_display_info_from_caps (GstVideoMasteringDisplayInfo * minfo,
const GstCaps * caps);
GST_VIDEO_API
gboolean gst_video_mastering_display_info_add_to_caps (const GstVideoMasteringDisplayInfo * minfo,
GstCaps * caps);
/**
* GstVideoContentLightLevel:
* @max_content_light_level: the maximum content light level
* (abbreviated to MaxCLL) in candelas per square meter (cd/m^2 and nit)
* @max_frame_average_light_level: the maximum frame average light level
* (abbreviated to MaxFLL) in candelas per square meter (cd/m^2 and nit)
*
* Content light level information specified in CEA-861.3, Appendix A.
*
* Since: 1.18
*/
struct _GstVideoContentLightLevel
{
guint16 max_content_light_level;
guint16 max_frame_average_light_level;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_VIDEO_API
void gst_video_content_light_level_init (GstVideoContentLightLevel * linfo);
GST_VIDEO_API
gboolean gst_video_content_light_level_from_string (GstVideoContentLightLevel * linfo,
const gchar * level);
GST_VIDEO_API
gchar * gst_video_content_light_level_to_string (const GstVideoContentLightLevel * linfo);
GST_VIDEO_API
gboolean gst_video_content_light_level_from_caps (GstVideoContentLightLevel * linfo,
const GstCaps * caps);
GST_VIDEO_API
gboolean gst_video_content_light_level_add_to_caps (const GstVideoContentLightLevel * linfo,
GstCaps * caps);
G_END_DECLS
#endif /* __GST_VIDEO_HDR_H__ */
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