return TRUE;
}
+
+/* Dynamic HDR Meta implementation */
+
+GType
+gst_video_hdr_meta_api_get_type (void)
+{
+ static volatile GType type = 0;
+
+ if (g_once_init_enter (&type)) {
+ static const gchar *tags[] = {
+ GST_META_TAG_VIDEO_STR,
+ NULL
+ };
+ GType _type = gst_meta_api_type_register ("GstVideoHDRMetaAPI", tags);
+ g_once_init_leave (&type, _type);
+ }
+ return type;
+}
+
+static gboolean
+gst_video_hdr_meta_transform (GstBuffer * dest, GstMeta * meta,
+ GstBuffer * buffer, GQuark type, gpointer data)
+{
+ GstVideoHDRMeta *dmeta, *smeta;
+
+ /* We always copy over the caption meta */
+ smeta = (GstVideoHDRMeta *) meta;
+
+ GST_DEBUG ("copy HDR metadata");
+ dmeta =
+ gst_buffer_add_video_hdr_meta (dest, smeta->format, smeta->data,
+ smeta->size);
+ if (!dmeta)
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean
+gst_video_hdr_meta_init (GstMeta * meta, gpointer params, GstBuffer * buffer)
+{
+ GstVideoHDRMeta *emeta = (GstVideoHDRMeta *) meta;
+
+ emeta->data = NULL;
+
+ return TRUE;
+}
+
+static void
+gst_video_hdr_meta_free (GstMeta * meta, GstBuffer * buffer)
+{
+ GstVideoHDRMeta *emeta = (GstVideoHDRMeta *) meta;
+
+ g_free (emeta->data);
+}
+
+const GstMetaInfo *
+gst_video_hdr_meta_get_info (void)
+{
+ static const GstMetaInfo *meta_info = NULL;
+
+ if (g_once_init_enter ((GstMetaInfo **) & meta_info)) {
+ const GstMetaInfo *mi = gst_meta_register (GST_VIDEO_HDR_META_API_TYPE,
+ "GstVideoHDRMeta",
+ sizeof (GstVideoHDRMeta),
+ gst_video_hdr_meta_init,
+ gst_video_hdr_meta_free,
+ gst_video_hdr_meta_transform);
+ g_once_init_leave ((GstMetaInfo **) & meta_info, (GstMetaInfo *) mi);
+ }
+ return meta_info;
+}
+
+/**
+ * gst_buffer_add_video_hdr_meta:
+ * @buffer: a #GstBuffer
+ * @format: The type of dynamic HDR contained in the meta.
+ * @data: contains the dynamic HDR data
+ * @size: The size in bytes of @data
+ *
+ * Attaches #GstVideoHDRMeta metadata to @buffer with the given
+ * parameters.
+ *
+ * Returns: (transfer none): the #GstVideoHDRMeta on @buffer.
+ *
+ * Since: 1.20
+ */
+GstVideoHDRMeta *
+gst_buffer_add_video_hdr_meta (GstBuffer * buffer,
+ GstVideoHDRFormat format, const guint8 * data, gsize size)
+{
+ GstVideoHDRMeta *meta;
+
+ g_return_val_if_fail (GST_IS_BUFFER (buffer), NULL);
+ g_return_val_if_fail (data != NULL, NULL);
+
+ meta = (GstVideoHDRMeta *) gst_buffer_add_meta (buffer,
+ GST_VIDEO_HDR_META_INFO, NULL);
+ g_assert (meta != NULL);
+
+ meta->format = format;
+ meta->data = g_memdup (data, size);
+ meta->size = size;
+
+ return meta;
+}
#include <gst/gst.h>
#include <gst/video/video-prelude.h>
+#include <gst/video/video-info.h>
G_BEGIN_DECLS
+/**
+ * GstVideoHDRFormat:
+ * @GST_VIDEO_HDR_FORMAT_NONE: No HDR format detected.
+ * @GST_VIDEO_HDR_FORMAT_HDR10: HDR10 format
+ * @GST_VIDEO_HDR_FORMAT_HDR10_PLUS: HDR10+ format
+ * * @GST_VIDEO_HDR_FORMAT_DOLBY_VISION: Dolby Vision format
+ *
+ * Enum value describing the most common video for High Dynamic Range (HDR) formats.
+ *
+ * Since: 1.20
+ */
+typedef enum {
+ GST_VIDEO_HDR_FORMAT_NONE,
+ GST_VIDEO_HDR_FORMAT_HDR10,
+ GST_VIDEO_HDR_FORMAT_HDR10_PLUS,
+ GST_VIDEO_HDR_FORMAT_DOLBY_VISION,
+} GstVideoHDRFormat;
+
+/* defined in CTA-861-G */
+#define GST_VIDEO_HDR10_PLUS_NUM_WINDOWS 1 /* number of windows, shall be 1. */
+#define GST_VIDEO_HDR10_PLUS_MAX_TSD_APL 25 /* targeted_system_display_actual_peak_luminance max value */
+#define GST_VIDEO_HDR10_PLUS_MAX_MD_APL 25 /* mastering_display_actual_peak_luminance max value */
+
typedef struct _GstVideoMasteringDisplayInfoCoordinates GstVideoMasteringDisplayInfoCoordinates;
typedef struct _GstVideoMasteringDisplayInfo GstVideoMasteringDisplayInfo;
typedef struct _GstVideoContentLightLevel GstVideoContentLightLevel;
+typedef struct _GstVideoHDR10Plus GstVideoHDR10Plus;
+typedef struct _GstVideoColorVolumeTransformation GstVideoColorVolumeTransformation;
+
+/**
+ * GstVideoHDRMeta:
+ * @meta: parent #GstMeta
+ * @format: The type of dynamic HDR contained in the meta.
+ * @data: contains the dynamic HDR data
+ * @size: The size in bytes of @data
+ *
+ * Dynamic HDR data should be included in video user data
+ *
+ * Since: 1.20
+ */
+typedef struct {
+ GstMeta meta;
+ GstVideoHDRFormat format;
+ guint8 *data;
+ gsize size;
+} GstVideoHDRMeta;
+
+GST_VIDEO_API
+GType gst_video_hdr_meta_api_get_type (void);
+#define GST_VIDEO_HDR_META_API_TYPE (gst_video_hdr_meta_api_get_type())
+
+GST_VIDEO_API
+const GstMetaInfo *gst_video_hdr_meta_get_info (void);
+#define GST_VIDEO_HDR_META_INFO (gst_video_hdr_meta_get_info())
+
+/**
+ * gst_buffer_get_video_hdr_meta:
+ * @b: A #GstBuffer
+ *
+ * Gets the #GstVideoHDRMeta that might be present on @b.
+ *
+ * Since: 1.20
+ *
+ * Returns: The first #GstVideoHDRMeta present on @b, or %NULL if
+ * no #GstVideoHDRMeta are present
+ */
+#define gst_buffer_get_video_hdr_meta(b) \
+ ((GstVideoHDRMeta*)gst_buffer_get_meta((b), GST_VIDEO_HDR_META_API_TYPE))
+
+GST_VIDEO_API
+GstVideoHDRMeta *gst_buffer_add_video_hdr_meta (GstBuffer * buffer, GstVideoHDRFormat format,
+ const guint8 * data, gsize size);
/**
* GstVideoMasteringDisplayInfoCoordinates:
gboolean gst_video_content_light_level_add_to_caps (const GstVideoContentLightLevel * linfo,
GstCaps * caps);
+/**
+ * GstVideoColorVolumeTransformation:
+ * @window_upper_left_corner_x: the x coordinate of the top left pixel of the w-th processing
+ * @window_upper_left_corner_y: the y coordinate of the top left pixel of the w-th processing
+ * @window_lower_right_corner_x: the x coordinate of the lower right pixel of the w-th processing
+ * @window_lower_right_corner_y: the y coordinate of the lower right pixel of the w-th processing
+ * @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 w-th processing window
+ * @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 w-th processing window
+ * @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 w-th processing window
+ * @semimajor_axis_internal_ellipse: the semi-major axis value of the internal ellipse of the
+ * elliptical pixel selector in amount of pixels in the w-th processing window
+ * @semimajor_axis_external_ellipse: the semi-major axis value of the external ellipse of
+ * the elliptical pixel selector in amount of pixels in the w-th processing window
+ * @semiminor_axis_external_ellipse: the semi-minor axis value of the external ellipse of
+ * the elliptical pixel selector in amount of pixels in the w-th processing window
+ * @overlap_process_option: one of the two methods of combining
+ * rendered pixels in the w-th processing window in an image with at least one elliptical pixel
+ * selector
+ * @maxscl: the maximum of the i-th color component of linearized RGB values in the
+ * w-th processing window in the scene
+ * @average_maxrgb: the average of linearized maxRGB values in the w-th processing
+ * window in the scene
+ * @num_distribution_maxrgb_percentiles: the number of linearized maxRGB values at
+ * given percentiles in the w-th processing window in the scene. Maximum value should be 9.
+ * @distribution_maxrgb_percentages: an integer percentage value corresponding to the
+ * i-th percentile linearized RGB value in the w-th processing window in the scene
+ * @fraction_bright_pixels: the fraction of selected pixels in the image that contains the
+ * brightest pixel in the scene
+ * @tone_mapping_flag: true if the tone mapping function in the w-th
+ * processing window is present
+ * @knee_point_x: the x coordinate of the separation point between the linear part and the
+ * curved part of the tone mapping function
+ * @knee_point_y: the y coordinate of the separation point between the linear part and the
+ * curved part of the tone mapping function
+ * @num_bezier_curve_anchors: the number of the intermediate anchor parameters of the
+ * tone mapping function in the w-th processing window. Maximum value should be 9.
+ * @bezier_curve_anchors: the i-th intermediate anchor parameter of the tone mapping
+function in the w-th processing window in the scene
+ * @color_saturation_mapping_flag: shall be equal to zero in this version of the standard.
+ * @color_saturation_weight: a number that shall adjust the color saturation gain in the w-
+th processing window in the scene
+ *
+ * Processing window in dynamic metadata defined in SMPTE ST 2094-40:2016
+ * and CTA-861-G Annex S HDR Dynamic Metadata Syntax Type 4.
+ *
+ * Since: 1.20
+ */
+struct _GstVideoColorVolumeTransformation
+{
+ guint16 window_upper_left_corner_x;
+ guint16 window_upper_left_corner_y;
+ guint16 window_lower_right_corner_x;
+ guint16 window_lower_right_corner_y;
+ guint16 center_of_ellipse_x;
+ guint16 center_of_ellipse_y;
+ guint8 rotation_angle;
+ guint16 semimajor_axis_internal_ellipse;
+ guint16 semimajor_axis_external_ellipse;
+ guint16 semiminor_axis_external_ellipse;
+ guint8 overlap_process_option;
+ guint32 maxscl[3];
+ guint32 average_maxrgb;
+ guint8 num_distribution_maxrgb_percentiles;
+ guint8 distribution_maxrgb_percentages[16];
+ guint32 distribution_maxrgb_percentiles[16];
+ guint16 fraction_bright_pixels;
+ guint8 tone_mapping_flag;
+ guint16 knee_point_x;
+ guint16 knee_point_y;
+ guint8 num_bezier_curve_anchors;
+ guint16 bezier_curve_anchors[16];
+ guint8 color_saturation_mapping_flag;
+ guint8 color_saturation_weight;
+
+ /*< private >*/
+ guint32 _gst_reserved[GST_PADDING];
+};
+
+/**
+ * GstVideoHDR10Plus:
+ * @application_identifier: the application identifier
+ * @application_version: the application version
+ * @num_windows: the number of processing windows. The first processing window shall be
+ * for the entire picture
+ * @processing_window: the color volume transformation for the processing window.
+ * @targeted_system_display_maximum_luminance: the nominal maximum display luminance
+ * of the targeted system display in units of 0.0001 candelas per square meter
+ * @targeted_system_display_actual_peak_luminance_flag: shall be equal to zero in this
+ * version of the standard
+ * @num_rows_targeted_system_display_actual_peak_luminance: the number of rows
+ * in the targeted_system_display_actual_peak_luminance array
+ * @num_cols_targeted_system_display_actual_peak_luminance: the number of columns in the
+ * targeted_system_display_actual_peak_luminance array
+ * @targeted_system_display_actual_peak_luminance: the normalized actual peak luminance of
+ * the targeted system display
+ * @mastering_display_actual_peak_luminance_flag: shall be equal to 0 for this version of this Standard
+ * @num_rows_mastering_display_actual_peak_luminance: the number of rows in the
+ * mastering_display_actual_peak_luminance array
+ * @num_cols_mastering_display_actual_peak_luminance: the number of columns in the
+ * mastering_display_actual_peak_luminance array.
+ * @mastering_display_actual_peak_luminance: the normalized actual peak luminance of
+ * the mastering display used for mastering the image essence
+ *
+ * Dynamic HDR 10+ metadata defined in SMPTE2094-40
+ * and CTA-861-G Annex S HDR Dynamic Metadata Syntax Type 4.
+ *
+ * Since: 1.20
+ */
+struct _GstVideoHDR10Plus
+{
+ guint8 application_identifier;
+ guint8 application_version;
+ guint8 num_windows;
+ GstVideoColorVolumeTransformation processing_window[GST_VIDEO_HDR10_PLUS_NUM_WINDOWS];
+ guint32 targeted_system_display_maximum_luminance;
+ guint8 targeted_system_display_actual_peak_luminance_flag;
+ guint8 num_rows_targeted_system_display_actual_peak_luminance;
+ guint8 num_cols_targeted_system_display_actual_peak_luminance;
+ guint8 targeted_system_display_actual_peak_luminance[GST_VIDEO_HDR10_PLUS_MAX_TSD_APL][GST_VIDEO_HDR10_PLUS_MAX_TSD_APL];
+ guint8 mastering_display_actual_peak_luminance_flag;
+ guint8 num_rows_mastering_display_actual_peak_luminance;
+ guint8 num_cols_mastering_display_actual_peak_luminance;
+ guint8 mastering_display_actual_peak_luminance[GST_VIDEO_HDR10_PLUS_MAX_MD_APL][GST_VIDEO_HDR10_PLUS_MAX_MD_APL];
+
+ /*< private >*/
+ gpointer _gst_reserved[GST_PADDING];
+};
G_END_DECLS
projects / platform / upstream / gstreamer.git / commitdiff