/* GStreamer * Copyright (C) <2018-2019> Seungha Yang * * 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 #include G_BEGIN_DECLS typedef struct _GstVideoMasteringDisplayInfo GstVideoMasteringDisplayInfo; typedef struct _GstVideoContentLightLevel GstVideoContentLightLevel; /** * GstVideoMasteringDisplayInfo: * @Rx_n: the numerator of nunormalized red x coordinate as defined CIE 1931 * @Rx_d: the denominator of normalized red x coordinate as defined CIE 1931 * @Ry_n: the numerator of normalized red y coordinate as defined CIE 1931 * @Ry_d: the denominator of normalized red y coordinate as defined CIE 1931 * @Gx_n: the numerator of normalized green x coordinate as defined CIE 1931 * @Gx_d: the denominator of normalized green x coordinate as defined CIE 1931 * @Gy_n: the numerator of normalized green y coordinate as defined CIE 1931 * @Gy_d: the denominator of normalized green y coordinate as defined CIE 1931 * @Bx_n: the numerator of normalized blue x coordinate as defined CIE 1931 * @Bx_d: the denominator of normalized blue x coordinate as defined CIE 1931 * @By_n: the numerator of normalized blue y coordinate as defined CIE 1931 * @By_d: the denominator of normalized blue y coordinate as defined CIE 1931 * @Wx_n: the numerator of normalized white x coordinate as defined CIE 1931 * @Wx_d: the denominator of normalized white x coordinate as defined CIE 1931 * @Wy_n: the numerator of normalized white y coordinate as defined CIE 1931 * @Wy_d: the denominator of normalized white y coordinate as defined CIE 1931 * @max_luma_n: the numerator of maximum display luminance in candelas per square meter (cd/m^2 and nit) * @max_luma_d: the denominator of maximum display luminance in candelas per square meter (cd/m^2 and nit) * @min_luma_n: the numerator of minimum display luminance in candelas per square meter (cd/m^2 and nit) * @min_luma_d: the denominator of minimum display luminance in candelas per square meter (cd/m^2 and nit) * * Mastering display color volume information defined by SMPTE ST 2086 * (a.k.a static HDR metadata). * Each array represent fraction value of red, green, blue, white * and min/max luma (the first element of an array is numerator). * * The decimal representation of each red, green, blue and white value should * be in the range of [0, 1]. * * Since: 1.18 */ struct _GstVideoMasteringDisplayInfo { guint Rx_n, Rx_d, Ry_n, Ry_d; guint Gx_n, Gx_d, Gy_n, Gy_d; guint Bx_n, Bx_d, By_n, By_d; guint Wx_n, Wx_d, Wy_n, Wy_d; guint max_luma_n, max_luma_d; guint min_luma_n, min_luma_d; /*< private >*/ guint _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_is_valid (const GstVideoMasteringDisplayInfo * minfo); 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); /** * GstVideoContentLightMeta: * @maxCLL_n: the numerator of Maximum Content Light Level (cd/m^2 and nit) * @maxCLL_d: the denominator of Maximum Content Light Level (cd/m^2 and nit) * @maxFALL_n: the numerator Maximum Frame-Average Light Level (cd/m^2 and nit) * @maxFALL_d: the denominator Maximum Frame-Average Light Level (cd/m^2 and nit) * * Content light level information specified in CEA-861.3, Appendix A. * * Since: 1.18 */ struct _GstVideoContentLightLevel { guint maxCLL_n, maxCLL_d; guint maxFALL_n, maxFALL_d; /*< private >*/ guint _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__ */