mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 10:11:08 +00:00
4e14bac1ff
Co-authored-by: Andoni Morales Alastruey <ylatuya@gmail.com> Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1312>
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/* Gstreamer
|
|
* Copyright 2023 Brad Hards <bradh@frogmouth.net>
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_MPEGTS_METADATA_DESCRIPTOR_H__
|
|
#define __GST_MPEGTS_METADATA_DESCRIPTOR_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/mpegts/mpegts-prelude.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* GstMpegtsMetadataFormat:
|
|
*
|
|
* metadata_descriptor metadata_format valid values. See ISO/IEC 13818-1:2018(E) Table 2-85.
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
typedef enum {
|
|
/**
|
|
* GST_MPEGTS_METADATA_FORMAT_TEM:
|
|
*
|
|
* ISO/IEC 15938-1 TeM.
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
GST_MPEGTS_METADATA_FORMAT_TEM = 0x10,
|
|
/**
|
|
* GST_MPEGTS_METADATA_FORMAT_BIM:
|
|
*
|
|
* ISO/IEC 15938-1 BiM.
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
GST_MPEGTS_METADATA_FORMAT_BIM = 0x11,
|
|
/**
|
|
* GST_MPEGTS_METADATA_FORMAT_APPLICATION_FORMAT:
|
|
*
|
|
* Defined by metadata application format.
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
GST_MPEGTS_METADATA_FORMAT_APPLICATION_FORMAT = 0x3f,
|
|
/**
|
|
* GST_MPEGTS_METADATA_FORMAT_IDENTIFIER_FIELD:
|
|
*
|
|
* Defined by metadata_format_identifier field.
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
GST_MPEGTS_METADATA_FORMAT_IDENTIFIER_FIELD = 0xff
|
|
} GstMpegtsMetadataFormat;
|
|
|
|
|
|
/* MPEG-TS Metadata Descriptor (0x26) */
|
|
typedef struct _GstMpegtsMetadataDescriptor GstMpegtsMetadataDescriptor;
|
|
|
|
/**
|
|
* GstMpegtsMetadataDescriptor:
|
|
* @metadata_application_format: specifies the application responsible for defining usage, syntax and semantics
|
|
* @metadata_format: indicates the format and coding of the metadata
|
|
* @metadata_format_identifier: format identifier (equivalent to registration descriptor), for example 0x4B4C4641 ('KLVA') to indicate SMPTE 336 KLV.
|
|
* @metadata_service_id: metadata service to which this metadata descriptor applies, typically 0x00
|
|
* @decoder_config_flags: decoder flags, see ISO/IEC 13818-1:2018 Table 2-88.
|
|
* @dsm_cc_flag: true if stream associated with this descriptor is in an ISO/IEC 13818-6 data or object carousel.
|
|
*
|
|
* The metadata descriptor specifies parameters of a metadata service carried in an MPEG-2 Transport Stream (or Program Stream). The descriptor is included in the PMT in the descriptor loop for the elementary stream that carries the
|
|
metadata service. The descriptor specifies the format of the associated metadata, and contains the value of the
|
|
metadata_service_id to identify the metadata service to which the metadata descriptor applies.
|
|
*
|
|
* Note that this structure does not include all of the metadata_descriptor items, and will need extension to support DSM-CC and private data.
|
|
* See ISO/IEC 13818-1:2018 Section 2.6.60 and Section 2.6.61 for more information.
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
struct _GstMpegtsMetadataDescriptor
|
|
{
|
|
guint16 metadata_application_format;
|
|
GstMpegtsMetadataFormat metadata_format;
|
|
guint32 metadata_format_identifier;
|
|
guint8 metadata_service_id;
|
|
guint8 decoder_config_flags;
|
|
gboolean dsm_cc_flag;
|
|
};
|
|
|
|
/**
|
|
* GST_TYPE_MPEGTS_METADATA_DESCRIPTOR:
|
|
*
|
|
* metadata_descriptor type
|
|
*
|
|
* Since: 1.24
|
|
*/
|
|
#define GST_TYPE_MPEGTS_METADATA_DESCRIPTOR (gst_mpegts_metadata_descriptor_get_type ())
|
|
|
|
GST_MPEGTS_API
|
|
GType gst_mpegts_metadata_descriptor_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif
|