#endif
#include <string.h>
-#include <gst/base/gstbitreader.h>
#include "video-hdr.h"
-#define HDR10_PLUS_MAX_BEZIER_CURVE_ANCHORS 9
-#define HDR10_PLUS_MAX_DIST_MAXRGB_PERCENTILES 9
-
#define N_ELEMENT_MASTERING_DISPLAY_INFO 10
#define MASTERING_FORMAT \
"%d:%d:" \
(m)->min_display_mastering_luminance
/**
- * gst_video_hdr_format_to_string:
- * @format: a #GstVideoHDRFormat
- *
- * Returns: (nullable): a string containing a descriptive name for
- * the #GstVideoHDRFormat if there is one, or %NULL otherwise.
- *
- * Since: 1.20
- */
-const gchar *
-gst_video_hdr_format_to_string (GstVideoHDRFormat format)
-{
- switch (format) {
- case GST_VIDEO_HDR_FORMAT_HDR10:
- return "hdr10";
- case GST_VIDEO_HDR_FORMAT_HDR10_PLUS:
- return "hdr10+";
- default:
- return NULL;
- }
-}
-
-/**
- * gst_video_hdr_format_from_string:
- * @format: (nullable): a #GstVideoHDRFormat
- *
- * Returns: the #GstVideoHDRFormat for @format or GST_VIDEO_HDR_FORMAT_NONE when the
- * string is not a known format.
- *
- * Since: 1.20
- */
-GstVideoHDRFormat
-gst_video_hdr_format_from_string (const gchar * format)
-{
- if (!g_strcmp0 (format, "hdr10"))
- return GST_VIDEO_HDR_FORMAT_HDR10;
- else if (!g_strcmp0 (format, "hdr10+"))
- return GST_VIDEO_HDR_FORMAT_HDR10_PLUS;
-
- return GST_VIDEO_HDR_FORMAT_NONE;
-}
-
-/**
* gst_video_mastering_display_info_init:
* @minfo: a #GstVideoMasteringDisplayInfo
*
return TRUE;
}
-
-/* Dynamic HDR Meta implementation */
-
-GType
-gst_video_hdr_meta_api_get_type (void)
-{
- static 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;
-}
-
-#define CHECK_HDR10PLUS_REMAINING(br, needed) \
-if (gst_bit_reader_get_remaining (&br) < needed) { \
- GST_DEBUG ("Not enough bits remaining %d, needed %d", gst_bit_reader_get_remaining (&br), needed); \
- return FALSE; \
-}
-
-/**
- * gst_video_hdr_parse_hdr10_plus:
- * @data: HDR10+ data
- * @size: size of data
- * @hdr10_plus: (out): #GstVideoHDR10Plus structure to fill in.
- *
- * Parse HDR10+ (SMPTE2094-40) user data and store in @hdr10_plus
- * For more details, see:
- * https://www.atsc.org/wp-content/uploads/2018/02/S34-301r2-A341-Amendment-2094-40-1.pdf
- * and SMPTE ST2094-40
- *
- * Returns: %TRUE if @data was successfully parsed to @hdr10_plus
- *
- * Since: 1.20
- */
-gboolean
-gst_video_hdr_parse_hdr10_plus (const guint8 * data, gsize size,
- GstVideoHDR10Plus * hdr10_plus)
-{
- guint16 provider_oriented_code;
- int w, i, j;
- GstBitReader br;
-
- /* there must be at least one byte, and not more than GST_VIDEO_HDR10_PLUS_MAX_BYTES bytes */
- g_return_val_if_fail (data != NULL, FALSE);
-
- memset (hdr10_plus, 0, sizeof (GstVideoHDR10Plus));
- gst_bit_reader_init (&br, data, size);
- GST_MEMDUMP ("HDR10+", data, size);
- CHECK_HDR10PLUS_REMAINING (br, 2 + 8 + 8 + 2);
- provider_oriented_code = gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- if (provider_oriented_code != 0x0001)
- return FALSE;
-
-
- hdr10_plus->application_identifier =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 8);
- hdr10_plus->application_version =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 8);
- hdr10_plus->num_windows = gst_bit_reader_get_bits_uint8_unchecked (&br, 2);
- if (hdr10_plus->num_windows != GST_VIDEO_HDR10_PLUS_NUM_WINDOWS)
- return FALSE;
- for (w = 0; w < hdr10_plus->num_windows; w++) {
- CHECK_HDR10PLUS_REMAINING (br,
- 16 + 16 + 16 + 16 + 16 + 16 + 8 + 16 + 16 + 16 + 1);
- hdr10_plus->processing_window[w].window_upper_left_corner_x =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].window_upper_left_corner_y =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].window_lower_right_corner_x =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].window_lower_right_corner_y =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].center_of_ellipse_x =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].center_of_ellipse_y =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].rotation_angle =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 8);
- hdr10_plus->processing_window[w].semimajor_axis_internal_ellipse =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].semimajor_axis_external_ellipse =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].semiminor_axis_external_ellipse =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 16);
- hdr10_plus->processing_window[w].overlap_process_option =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 1);
- }
- CHECK_HDR10PLUS_REMAINING (br, 27 + 1);
- hdr10_plus->targeted_system_display_maximum_luminance =
- gst_bit_reader_get_bits_uint32_unchecked (&br, 27);
- hdr10_plus->targeted_system_display_actual_peak_luminance_flag =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 1);
- if (hdr10_plus->targeted_system_display_actual_peak_luminance_flag) {
- CHECK_HDR10PLUS_REMAINING (br, 5 + 5);
- hdr10_plus->num_rows_targeted_system_display_actual_peak_luminance =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 5);
- hdr10_plus->num_cols_targeted_system_display_actual_peak_luminance =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 5);
- if (hdr10_plus->num_rows_targeted_system_display_actual_peak_luminance >
- GST_VIDEO_HDR10_PLUS_MAX_ROWS_TSD_APL)
- return FALSE;
- if (hdr10_plus->num_cols_targeted_system_display_actual_peak_luminance >
- GST_VIDEO_HDR10_PLUS_MAX_COLS_MD_APL)
- return FALSE;
- CHECK_HDR10PLUS_REMAINING (br,
- hdr10_plus->num_rows_targeted_system_display_actual_peak_luminance *
- hdr10_plus->num_cols_targeted_system_display_actual_peak_luminance * 4);
- for (i = 0;
- i < hdr10_plus->num_rows_targeted_system_display_actual_peak_luminance;
- i++) {
- for (j = 0;
- j <
- hdr10_plus->num_cols_targeted_system_display_actual_peak_luminance;
- j++)
- hdr10_plus->targeted_system_display_actual_peak_luminance[i][j] =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 4);
- }
- for (w = 0; w < hdr10_plus->num_windows; w++) {
- CHECK_HDR10PLUS_REMAINING (br, (17 * 3));
- for (i = 0; i < 3; i++)
- hdr10_plus->processing_window[w].maxscl[i] =
- gst_bit_reader_get_bits_uint32_unchecked (&br, 17);
- CHECK_HDR10PLUS_REMAINING (br, 17 + 4);
- hdr10_plus->processing_window[w].average_maxrgb =
- gst_bit_reader_get_bits_uint32_unchecked (&br, 17);
- hdr10_plus->processing_window[w].num_distribution_maxrgb_percentiles =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 4);
- if (hdr10_plus->processing_window[w].
- num_distribution_maxrgb_percentiles !=
- HDR10_PLUS_MAX_DIST_MAXRGB_PERCENTILES)
- return FALSE;
- CHECK_HDR10PLUS_REMAINING (br,
- hdr10_plus->processing_window[w].num_distribution_maxrgb_percentiles *
- (17 + 7));
- for (i = 0;
- i <
- hdr10_plus->processing_window[w].num_distribution_maxrgb_percentiles;
- i++) {
- hdr10_plus->processing_window[w].distribution_maxrgb_percentages[i] =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 7);
- hdr10_plus->processing_window[w].distribution_maxrgb_percentiles[i] =
- gst_bit_reader_get_bits_uint32_unchecked (&br, 17);
- }
- CHECK_HDR10PLUS_REMAINING (br, 10)
- hdr10_plus->processing_window[w].fraction_bright_pixels =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 10);
- }
- }
- CHECK_HDR10PLUS_REMAINING (br, 1)
- hdr10_plus->mastering_display_actual_peak_luminance_flag =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 1);
- if (hdr10_plus->targeted_system_display_actual_peak_luminance_flag) {
- CHECK_HDR10PLUS_REMAINING (br, 5 + 5)
- hdr10_plus->num_rows_mastering_display_actual_peak_luminance =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 5);
- hdr10_plus->num_cols_mastering_display_actual_peak_luminance =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 5);
- if (hdr10_plus->num_rows_mastering_display_actual_peak_luminance >
- GST_VIDEO_HDR10_PLUS_MAX_ROWS_TSD_APL)
- return FALSE;
- if (hdr10_plus->num_cols_mastering_display_actual_peak_luminance >
- GST_VIDEO_HDR10_PLUS_MAX_COLS_MD_APL)
- return FALSE;
- CHECK_HDR10PLUS_REMAINING (br,
- hdr10_plus->num_rows_mastering_display_actual_peak_luminance *
- hdr10_plus->num_cols_mastering_display_actual_peak_luminance * 4)
- for (i = 0;
- i < hdr10_plus->num_rows_mastering_display_actual_peak_luminance; i++) {
- for (j = 0;
- j < hdr10_plus->num_cols_mastering_display_actual_peak_luminance; j++)
- hdr10_plus->mastering_display_actual_peak_luminance[i][j] =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 4);
- }
- for (w = 0; w < hdr10_plus->num_windows; w++) {
- CHECK_HDR10PLUS_REMAINING (br, 1)
- hdr10_plus->processing_window[w].tone_mapping_flag =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 1);
- if (hdr10_plus->processing_window[w].tone_mapping_flag) {
- CHECK_HDR10PLUS_REMAINING (br, 12 + 12 + 4)
- hdr10_plus->processing_window[w].knee_point_x =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 12);
- hdr10_plus->processing_window[w].knee_point_y =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 12);
- hdr10_plus->processing_window[w].num_bezier_curve_anchors =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 4);
- if (hdr10_plus->processing_window[w].num_bezier_curve_anchors >
- HDR10_PLUS_MAX_BEZIER_CURVE_ANCHORS)
- return FALSE;
- CHECK_HDR10PLUS_REMAINING (br,
- 10 * hdr10_plus->processing_window[w].num_bezier_curve_anchors);
- for (i = 0;
- i < hdr10_plus->processing_window[w].num_bezier_curve_anchors; i++)
- hdr10_plus->processing_window[w].bezier_curve_anchors[i] =
- gst_bit_reader_get_bits_uint16_unchecked (&br, 10);
- }
- CHECK_HDR10PLUS_REMAINING (br, 1);
- hdr10_plus->processing_window[w].color_saturation_mapping_flag =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 1);
- if (hdr10_plus->processing_window[w].color_saturation_mapping_flag) {
- CHECK_HDR10PLUS_REMAINING (br, 6);
- hdr10_plus->processing_window[w].color_saturation_weight =
- gst_bit_reader_get_bits_uint8_unchecked (&br, 6);
- }
- }
- }
- return TRUE;
-}
#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;
-
-/**
- * GST_VIDEO_HDR10_PLUS_MAX_BYTES:
- *
- * Specify the max size for a HDR10+ content
- *
- * Since: 1.20
- */
-#define GST_VIDEO_HDR10_PLUS_MAX_BYTES 1024
-
-/**
- * GST_VIDEO_HDR10_PLUS_NUM_WINDOWS:
- *
- * Number of windows in HDR10+ dynamic metadata.
- * Defined in CTA-861-G.
- * Shall be 1.
- *
- * Since: 1.20
- */
-#define GST_VIDEO_HDR10_PLUS_NUM_WINDOWS 1
-
-/**
- * GST_VIDEO_HDR10_PLUS_MAX_ROWS_TSD_APL:
- *
- * Specifies the number of columns in the
- * targeted_system_display_actual_peak_luminance
- * array.
- * Defined in CTA-861-G.
- *
- * Since: 1.20
- */
-#define GST_VIDEO_HDR10_PLUS_MAX_ROWS_TSD_APL 25
-
-/**
- * GST_VIDEO_HDR10_PLUS_MAX_COLS_MD_APL:
- *
- * Specifies the number of columns in the
- * targeted_system_display_actual_peak_luminance
- * array.
- * Defined in CTA-861-G.
- *
- *
- * Since: 1.20
- */
-#define GST_VIDEO_HDR10_PLUS_MAX_COLS_MD_APL 25
-
typedef struct _GstVideoMasteringDisplayInfoCoordinates GstVideoMasteringDisplayInfoCoordinates;
typedef struct _GstVideoMasteringDisplayInfo GstVideoMasteringDisplayInfo;
typedef struct _GstVideoContentLightLevel GstVideoContentLightLevel;
-typedef struct _GstVideoHDR10Plus GstVideoHDR10Plus;
-typedef struct _GstVideoColorVolumeTransformation GstVideoColorVolumeTransformation;
-
-GST_VIDEO_API
-const gchar* gst_video_hdr_format_to_string (GstVideoHDRFormat format) G_GNUC_CONST;
-
-GST_VIDEO_API
-GstVideoHDRFormat gst_video_hdr_format_from_string (const gchar* format) G_GNUC_CONST;
-
-/**
- * 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_hdr_meta_api_get_type: (attributes doc.skip=true)
- */
-GST_VIDEO_API
-GType gst_video_hdr_meta_api_get_type (void);
-
-/**
- * GST_VIDEO_HDR_META_API_TYPE: (attributes doc.skip=true)
- */
-#define GST_VIDEO_HDR_META_API_TYPE (gst_video_hdr_meta_api_get_type())
-
-/**
- * gst_video_hdr_meta_get_info: (attributes doc.skip=true)
- */
-GST_VIDEO_API
-const GstMetaInfo *gst_video_hdr_meta_get_info (void);
-
-/**
- * GST_VIDEO_HDR_META_INFO: (attributes doc.skip=true)
- */
-#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_ROWS_TSD_APL][GST_VIDEO_HDR10_PLUS_MAX_COLS_MD_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_ROWS_TSD_APL][GST_VIDEO_HDR10_PLUS_MAX_COLS_MD_APL];
-
- /*< private >*/
- gpointer _gst_reserved[GST_PADDING];
-};
-
-GST_VIDEO_API gboolean
-gst_video_hdr_parse_hdr10_plus (const guint8 * data, gsize size,
- GstVideoHDR10Plus * hdr10_plus);
G_END_DECLS
projects / platform / upstream / gstreamer.git / commitdiff