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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
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* Copyright 2023 Brad Hards <bradh@frogmouth.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_MPEGTS_METADATA_DESCRIPTOR_H__
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#define __GST_MPEGTS_METADATA_DESCRIPTOR_H__
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#include <gst/gst.h>
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#include <gst/mpegts/mpegts-prelude.h>
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G_BEGIN_DECLS
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/**
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* GstMpegtsMetadataFormat:
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*
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* metadata_descriptor metadata_format valid values. See ISO/IEC 13818-1:2018(E) Table 2-85.
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*
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* Since: 1.24
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*/
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typedef enum {
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/**
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* GST_MPEGTS_METADATA_FORMAT_TEM:
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*
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* ISO/IEC 15938-1 TeM.
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*
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* Since: 1.24
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*/
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GST_MPEGTS_METADATA_FORMAT_TEM = 0x10,
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/**
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* GST_MPEGTS_METADATA_FORMAT_BIM:
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*
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* ISO/IEC 15938-1 BiM.
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*
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* Since: 1.24
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*/
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GST_MPEGTS_METADATA_FORMAT_BIM = 0x11,
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/**
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* GST_MPEGTS_METADATA_FORMAT_APPLICATION_FORMAT:
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*
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* Defined by metadata application format.
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*
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* Since: 1.24
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*/
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GST_MPEGTS_METADATA_FORMAT_APPLICATION_FORMAT = 0x3f,
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/**
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* GST_MPEGTS_METADATA_FORMAT_IDENTIFIER_FIELD:
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*
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* Defined by metadata_format_identifier field.
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*
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* Since: 1.24
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*/
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GST_MPEGTS_METADATA_FORMAT_IDENTIFIER_FIELD = 0xff
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} GstMpegtsMetadataFormat;
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/* MPEG-TS Metadata Descriptor (0x26) */
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typedef struct _GstMpegtsMetadataDescriptor GstMpegtsMetadataDescriptor;
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/**
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* GstMpegtsMetadataDescriptor:
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* @metadata_application_format: specifies the application responsible for defining usage, syntax and semantics
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* @metadata_format: indicates the format and coding of the metadata
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* @metadata_format_identifier: format identifier (equivalent to registration descriptor), for example 0x4B4C4641 ('KLVA') to indicate SMPTE 336 KLV.
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* @metadata_service_id: metadata service to which this metadata descriptor applies, typically 0x00
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* @decoder_config_flags: decoder flags, see ISO/IEC 13818-1:2018 Table 2-88.
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* @dsm_cc_flag: true if stream associated with this descriptor is in an ISO/IEC 13818-6 data or object carousel.
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*
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* 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
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metadata service. The descriptor specifies the format of the associated metadata, and contains the value of the
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metadata_service_id to identify the metadata service to which the metadata descriptor applies.
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*
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* Note that this structure does not include all of the metadata_descriptor items, and will need extension to support DSM-CC and private data.
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* See ISO/IEC 13818-1:2018 Section 2.6.60 and Section 2.6.61 for more information.
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*
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* Since: 1.24
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*/
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struct _GstMpegtsMetadataDescriptor
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{
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guint16 metadata_application_format;
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GstMpegtsMetadataFormat metadata_format;
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guint32 metadata_format_identifier;
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guint8 metadata_service_id;
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guint8 decoder_config_flags;
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gboolean dsm_cc_flag;
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};
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/**
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* GST_TYPE_MPEGTS_METADATA_DESCRIPTOR:
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*
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* metadata_descriptor type
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*
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* Since: 1.24
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*/
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#define GST_TYPE_MPEGTS_METADATA_DESCRIPTOR (gst_mpegts_metadata_descriptor_get_type ())
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GST_MPEGTS_API
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GType gst_mpegts_metadata_descriptor_get_type (void);
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G_END_DECLS
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#endif
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