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video-hdr: add HDR10+ structure
Provides structure and GstVideoMeta Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/650>
This commit is contained in:
Stéphane Cerveau
GStreamer Merge Bot
parent
dcea0b3999
commit
7d6f72e956
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@ -390,3 +390,109 @@ gst_video_content_light_level_add_to_caps (const GstVideoContentLightLevel *
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return TRUE;
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}
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/* Dynamic HDR Meta implementation */
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GType
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gst_video_hdr_meta_api_get_type (void)
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{
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static volatile GType type = 0;
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if (g_once_init_enter (&type)) {
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static const gchar *tags[] = {
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GST_META_TAG_VIDEO_STR,
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NULL
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};
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GType _type = gst_meta_api_type_register ("GstVideoHDRMetaAPI", tags);
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g_once_init_leave (&type, _type);
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}
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return type;
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}
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static gboolean
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gst_video_hdr_meta_transform (GstBuffer * dest, GstMeta * meta,
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GstBuffer * buffer, GQuark type, gpointer data)
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{
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GstVideoHDRMeta *dmeta, *smeta;
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/* We always copy over the caption meta */
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smeta = (GstVideoHDRMeta *) meta;
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GST_DEBUG ("copy HDR metadata");
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dmeta =
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gst_buffer_add_video_hdr_meta (dest, smeta->format, smeta->data,
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smeta->size);
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if (!dmeta)
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return FALSE;
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return TRUE;
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}
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static gboolean
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gst_video_hdr_meta_init (GstMeta * meta, gpointer params, GstBuffer * buffer)
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{
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GstVideoHDRMeta *emeta = (GstVideoHDRMeta *) meta;
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emeta->data = NULL;
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return TRUE;
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}
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static void
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gst_video_hdr_meta_free (GstMeta * meta, GstBuffer * buffer)
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{
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GstVideoHDRMeta *emeta = (GstVideoHDRMeta *) meta;
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g_free (emeta->data);
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}
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const GstMetaInfo *
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gst_video_hdr_meta_get_info (void)
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{
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static const GstMetaInfo *meta_info = NULL;
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if (g_once_init_enter ((GstMetaInfo **) & meta_info)) {
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const GstMetaInfo *mi = gst_meta_register (GST_VIDEO_HDR_META_API_TYPE,
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"GstVideoHDRMeta",
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sizeof (GstVideoHDRMeta),
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gst_video_hdr_meta_init,
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gst_video_hdr_meta_free,
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gst_video_hdr_meta_transform);
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g_once_init_leave ((GstMetaInfo **) & meta_info, (GstMetaInfo *) mi);
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}
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return meta_info;
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}
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/**
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* gst_buffer_add_video_hdr_meta:
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* @buffer: a #GstBuffer
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* @format: The type of dynamic HDR contained in the meta.
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* @data: contains the dynamic HDR data
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* @size: The size in bytes of @data
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*
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* Attaches #GstVideoHDRMeta metadata to @buffer with the given
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* parameters.
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*
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* Returns: (transfer none): the #GstVideoHDRMeta on @buffer.
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*
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* Since: 1.20
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*/
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GstVideoHDRMeta *
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gst_buffer_add_video_hdr_meta (GstBuffer * buffer,
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GstVideoHDRFormat format, const guint8 * data, gsize size)
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{
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GstVideoHDRMeta *meta;
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g_return_val_if_fail (GST_IS_BUFFER (buffer), NULL);
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g_return_val_if_fail (data != NULL, NULL);
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meta = (GstVideoHDRMeta *) gst_buffer_add_meta (buffer,
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GST_VIDEO_HDR_META_INFO, NULL);
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g_assert (meta != NULL);
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meta->format = format;
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meta->data = g_memdup (data, size);
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meta->size = size;
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return meta;
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}
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@ -22,12 +22,82 @@
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#include <gst/gst.h>
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#include <gst/video/video-prelude.h>
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#include <gst/video/video-info.h>
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G_BEGIN_DECLS
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/**
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* GstVideoHDRFormat:
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* @GST_VIDEO_HDR_FORMAT_NONE: No HDR format detected.
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* @GST_VIDEO_HDR_FORMAT_HDR10: HDR10 format
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* @GST_VIDEO_HDR_FORMAT_HDR10_PLUS: HDR10+ format
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* * @GST_VIDEO_HDR_FORMAT_DOLBY_VISION: Dolby Vision format
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*
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* Enum value describing the most common video for High Dynamic Range (HDR) formats.
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*
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* Since: 1.20
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*/
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typedef enum {
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GST_VIDEO_HDR_FORMAT_NONE,
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GST_VIDEO_HDR_FORMAT_HDR10,
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GST_VIDEO_HDR_FORMAT_HDR10_PLUS,
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GST_VIDEO_HDR_FORMAT_DOLBY_VISION,
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} GstVideoHDRFormat;
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/* defined in CTA-861-G */
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#define GST_VIDEO_HDR10_PLUS_NUM_WINDOWS 1 /* number of windows, shall be 1. */
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#define GST_VIDEO_HDR10_PLUS_MAX_TSD_APL 25 /* targeted_system_display_actual_peak_luminance max value */
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#define GST_VIDEO_HDR10_PLUS_MAX_MD_APL 25 /* mastering_display_actual_peak_luminance max value */
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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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typedef struct _GstVideoHDR10Plus GstVideoHDR10Plus;
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typedef struct _GstVideoColorVolumeTransformation GstVideoColorVolumeTransformation;
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/**
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* GstVideoHDRMeta:
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* @meta: parent #GstMeta
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* @format: The type of dynamic HDR contained in the meta.
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* @data: contains the dynamic HDR data
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* @size: The size in bytes of @data
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*
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* Dynamic HDR data should be included in video user data
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*
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* Since: 1.20
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*/
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typedef struct {
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GstMeta meta;
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GstVideoHDRFormat format;
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guint8 *data;
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gsize size;
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} GstVideoHDRMeta;
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GST_VIDEO_API
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GType gst_video_hdr_meta_api_get_type (void);
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#define GST_VIDEO_HDR_META_API_TYPE (gst_video_hdr_meta_api_get_type())
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GST_VIDEO_API
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const GstMetaInfo *gst_video_hdr_meta_get_info (void);
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#define GST_VIDEO_HDR_META_INFO (gst_video_hdr_meta_get_info())
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/**
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* gst_buffer_get_video_hdr_meta:
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* @b: A #GstBuffer
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*
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* Gets the #GstVideoHDRMeta that might be present on @b.
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*
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* Since: 1.20
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*
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* Returns: The first #GstVideoHDRMeta present on @b, or %NULL if
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* no #GstVideoHDRMeta are present
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*/
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#define gst_buffer_get_video_hdr_meta(b) \
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((GstVideoHDRMeta*)gst_buffer_get_meta((b), GST_VIDEO_HDR_META_API_TYPE))
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GST_VIDEO_API
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GstVideoHDRMeta *gst_buffer_add_video_hdr_meta (GstBuffer * buffer, GstVideoHDRFormat format,
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const guint8 * data, gsize size);
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/**
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* GstVideoMasteringDisplayInfoCoordinates:
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@ -133,6 +203,137 @@ 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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/**
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* GstVideoColorVolumeTransformation:
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* @window_upper_left_corner_x: the x coordinate of the top left pixel of the w-th processing
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* @window_upper_left_corner_y: the y coordinate of the top left pixel of the w-th processing
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* @window_lower_right_corner_x: the x coordinate of the lower right pixel of the w-th processing
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* @window_lower_right_corner_y: the y coordinate of the lower right pixel of the w-th processing
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* @center_of_ellipse_x: the x coordinate of the center position of the concentric internal
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* and external ellipses of the elliptical pixel selector in the w-th processing window
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* @center_of_ellipse_y: the y coordinate of the center position of the concentric internal
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* and external ellipses of the elliptical pixel selector in the w-th processing window
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* @rotation_angle: the clockwise rotation angle in degree of arc with respect to the
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* positive direction of the x-axis of the concentric internal and external ellipses of the elliptical
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* pixel selector in the w-th processing window
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* @semimajor_axis_internal_ellipse: the semi-major axis value of the internal ellipse of the
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* elliptical pixel selector in amount of pixels in the w-th processing window
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* @semimajor_axis_external_ellipse: the semi-major axis value of the external ellipse of
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* the elliptical pixel selector in amount of pixels in the w-th processing window
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* @semiminor_axis_external_ellipse: the semi-minor axis value of the external ellipse of
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* the elliptical pixel selector in amount of pixels in the w-th processing window
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* @overlap_process_option: one of the two methods of combining
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* rendered pixels in the w-th processing window in an image with at least one elliptical pixel
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* selector
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* @maxscl: the maximum of the i-th color component of linearized RGB values in the
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* w-th processing window in the scene
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* @average_maxrgb: the average of linearized maxRGB values in the w-th processing
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* window in the scene
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* @num_distribution_maxrgb_percentiles: the number of linearized maxRGB values at
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* given percentiles in the w-th processing window in the scene. Maximum value should be 9.
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* @distribution_maxrgb_percentages: an integer percentage value corresponding to the
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* i-th percentile linearized RGB value in the w-th processing window in the scene
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* @fraction_bright_pixels: the fraction of selected pixels in the image that contains the
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* brightest pixel in the scene
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* @tone_mapping_flag: true if the tone mapping function in the w-th
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* processing window is present
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* @knee_point_x: the x coordinate of the separation point between the linear part and the
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* curved part of the tone mapping function
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* @knee_point_y: the y coordinate of the separation point between the linear part and the
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* curved part of the tone mapping function
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* @num_bezier_curve_anchors: the number of the intermediate anchor parameters of the
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* tone mapping function in the w-th processing window. Maximum value should be 9.
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* @bezier_curve_anchors: the i-th intermediate anchor parameter of the tone mapping
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function in the w-th processing window in the scene
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* @color_saturation_mapping_flag: shall be equal to zero in this version of the standard.
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* @color_saturation_weight: a number that shall adjust the color saturation gain in the w-
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th processing window in the scene
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*
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* Processing window in dynamic metadata defined in SMPTE ST 2094-40:2016
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* and CTA-861-G Annex S HDR Dynamic Metadata Syntax Type 4.
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*
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* Since: 1.20
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*/
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struct _GstVideoColorVolumeTransformation
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{
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guint16 window_upper_left_corner_x;
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guint16 window_upper_left_corner_y;
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guint16 window_lower_right_corner_x;
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guint16 window_lower_right_corner_y;
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guint16 center_of_ellipse_x;
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guint16 center_of_ellipse_y;
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guint8 rotation_angle;
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guint16 semimajor_axis_internal_ellipse;
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guint16 semimajor_axis_external_ellipse;
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guint16 semiminor_axis_external_ellipse;
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guint8 overlap_process_option;
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guint32 maxscl[3];
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guint32 average_maxrgb;
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guint8 num_distribution_maxrgb_percentiles;
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guint8 distribution_maxrgb_percentages[16];
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guint32 distribution_maxrgb_percentiles[16];
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guint16 fraction_bright_pixels;
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guint8 tone_mapping_flag;
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guint16 knee_point_x;
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guint16 knee_point_y;
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guint8 num_bezier_curve_anchors;
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guint16 bezier_curve_anchors[16];
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guint8 color_saturation_mapping_flag;
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guint8 color_saturation_weight;
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/*< private >*/
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guint32 _gst_reserved[GST_PADDING];
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};
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/**
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* GstVideoHDR10Plus:
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* @application_identifier: the application identifier
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* @application_version: the application version
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* @num_windows: the number of processing windows. The first processing window shall be
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* for the entire picture
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* @processing_window: the color volume transformation for the processing window.
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* @targeted_system_display_maximum_luminance: the nominal maximum display luminance
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* of the targeted system display in units of 0.0001 candelas per square meter
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* @targeted_system_display_actual_peak_luminance_flag: shall be equal to zero in this
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* version of the standard
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* @num_rows_targeted_system_display_actual_peak_luminance: the number of rows
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* in the targeted_system_display_actual_peak_luminance array
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* @num_cols_targeted_system_display_actual_peak_luminance: the number of columns in the
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* targeted_system_display_actual_peak_luminance array
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* @targeted_system_display_actual_peak_luminance: the normalized actual peak luminance of
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* the targeted system display
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* @mastering_display_actual_peak_luminance_flag: shall be equal to 0 for this version of this Standard
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* @num_rows_mastering_display_actual_peak_luminance: the number of rows in the
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* mastering_display_actual_peak_luminance array
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* @num_cols_mastering_display_actual_peak_luminance: the number of columns in the
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* mastering_display_actual_peak_luminance array.
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* @mastering_display_actual_peak_luminance: the normalized actual peak luminance of
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* the mastering display used for mastering the image essence
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*
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* Dynamic HDR 10+ metadata defined in SMPTE2094-40
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* and CTA-861-G Annex S HDR Dynamic Metadata Syntax Type 4.
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*
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* Since: 1.20
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*/
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struct _GstVideoHDR10Plus
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{
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guint8 application_identifier;
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guint8 application_version;
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guint8 num_windows;
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GstVideoColorVolumeTransformation processing_window[GST_VIDEO_HDR10_PLUS_NUM_WINDOWS];
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guint32 targeted_system_display_maximum_luminance;
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guint8 targeted_system_display_actual_peak_luminance_flag;
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guint8 num_rows_targeted_system_display_actual_peak_luminance;
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guint8 num_cols_targeted_system_display_actual_peak_luminance;
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guint8 targeted_system_display_actual_peak_luminance[GST_VIDEO_HDR10_PLUS_MAX_TSD_APL][GST_VIDEO_HDR10_PLUS_MAX_TSD_APL];
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guint8 mastering_display_actual_peak_luminance_flag;
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guint8 num_rows_mastering_display_actual_peak_luminance;
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guint8 num_cols_mastering_display_actual_peak_luminance;
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guint8 mastering_display_actual_peak_luminance[GST_VIDEO_HDR10_PLUS_MAX_MD_APL][GST_VIDEO_HDR10_PLUS_MAX_MD_APL];
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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G_END_DECLS
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