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/*
* gst-scte-section.h -
* Copyright (C) 2013, CableLabs, Louisville, CO 80027
* (c) 2019, Centricular ltd
*
* Authors:
* RUIH Team <ruih@cablelabs.com>
* Edward Hervey <edward@centricular.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef GST_SCTE_SECTION_H
#define GST_SCTE_SECTION_H
#include <gst/gst.h>
#include <gst/mpegts/gstmpegtssection.h>
#include <gst/mpegts/gstmpegtsdescriptor.h>
G_BEGIN_DECLS
/**
* GstMpegtsScteStreamType:
* @GST_MPEGTS_STREAM_TYPE_SCTE_SUBTITLING: SCTE-27 Subtitling
* @GST_MPEGTS_STREAM_TYPE_SCTE_ISOCH_DATA: SCTE-19 Isochronous data
* @GST_MPEGTS_STREAM_TYPE_SCTE_SIT: SCTE-35 Splice Information Table
* @GST_MPEGTS_STREAM_TYPE_SCTE_DST_NRT: SCTE-07 Data Service or
* Network Resource Table
* @GST_MPEGTS_STREAM_TYPE_SCTE_DSMCC_DCB: Type B - DSM-CC Data Carousel
* [IEC 13818-6])
* @GST_MPEGTS_STREAM_TYPE_SCTE_SIGNALING: Enhanced Television Application
* Signaling (OC-SP-ETV-AM1.0.1-120614)
* @GST_MPEGTS_STREAM_TYPE_SCTE_SYNC_DATA: SCTE-07 Synchronous data
* @GST_MPEGTS_STREAM_TYPE_SCTE_ASYNC_DATA: SCTE-53 Asynchronous data
*
* Type of mpeg-ts streams for SCTE
*
*/
typedef enum {
/* 0x01 - 0x82 : defined in other specs */
GST_MPEGTS_STREAM_TYPE_SCTE_SUBTITLING = 0x82, /* Subtitling data */
GST_MPEGTS_STREAM_TYPE_SCTE_ISOCH_DATA = 0x83, /* Isochronous data */
/* 0x84 - 0x85 : defined in other specs */
GST_MPEGTS_STREAM_TYPE_SCTE_SIT = 0x86, /* Splice Information Table */
/* 0x87 - 0x94 : defined in other specs */
GST_MPEGTS_STREAM_TYPE_SCTE_DST_NRT = 0x95, /* DST / NRT data */
/* 0x96 - 0xaf : defined in other specs */
GST_MPEGTS_STREAM_TYPE_SCTE_DSMCC_DCB = 0xb0, /* Data Carousel Type B */
/* 0xb1 - 0xbf : User Private (or defined in other specs) */
GST_MPEGTS_STREAM_TYPE_SCTE_SIGNALING = 0xc0, /* EBIF Signaling */
GST_MPEGTS_STREAM_TYPE_SCTE_SYNC_DATA = 0xc2, /* Synchronous data */
GST_MPEGTS_STREAM_TYPE_SCTE_ASYNC_DATA = 0xc3, /* Asynchronous data */
/* 0xc4 - 0xff : User Private (or defined in other specs) */
} GstMpegtsScteStreamType;
/**
* GstMpegtsSectionSCTETableID:
* @GST_MTS_TABLE_ID_SCTE_EAS: SCTE-18 Emergency Alert System
* @GST_MTS_TABLE_ID_SCTE_EBIF: CL-SP-ETV-AM 1.0.1 EBIF message
* @GST_MTS_TABLE_ID_SCTE_EISS: CL-SP-ETV-AM 1.0.1 EBIF Int. Signaling Sect.
* @GST_MTS_TABLE_ID_SCTE_DII: CL-SP-ETV-AM 1.0.1 DSMCC DII message
* @GST_MTS_TABLE_ID_SCTE_DDB: CL-SP-ETV-AM 1.0.1 DSMCC Data Download Block
* @GST_MTS_TABLE_ID_SCTE_SPLICE: SCTE-35 splice information is carried in a
* section stream on a separate PID in the program’s Map Table (PMT) allowing
* Splice Event notifications to remain associated with the program and pass
* through multiplexers.
*
* Values for a #GstMpegtsSection table_id.
*
* These are the registered SCTE table_id variants.
*
* see also: #GstMpegtsSectionTableID
*/
typedef enum {
/* 0x01 - 0xd7 : defined in other specs */
GST_MTS_TABLE_ID_SCTE_EAS = 0xd8, /* emergency alert information */
/* 0xd8 - 0xdf : defined in other specs */
GST_MTS_TABLE_ID_SCTE_EBIF = 0xE0, /* EBIF message */
GST_MTS_TABLE_ID_SCTE_RESERVED = 0xE1,
GST_MTS_TABLE_ID_SCTE_EISS = 0xE2, /* EBIF Int. Signaling Sect. */
GST_MTS_TABLE_ID_SCTE_DII = 0xE3, /* DSMCC DII message */
GST_MTS_TABLE_ID_SCTE_DDB = 0xE4, /* DSMCC Data Download Block */
/* 0xe5 - 0xfb : defined in other specs */
GST_MTS_TABLE_ID_SCTE_SPLICE = 0xfc, /* splice information table */
} GstMpegtsSectionSCTETableID;
/* Splice Information Table (SIT) */
#define GST_TYPE_MPEGTS_SCTE_SPLICE_EVENT (gst_mpegts_scte_splice_event_get_type);
typedef struct _GstMpegtsSCTESpliceEvent GstMpegtsSCTESpliceEvent;
struct _GstMpegtsSCTESpliceEvent {
/* TRUE if from/to an insert event (else belongs to a schedule event) */
gboolean insert_event;
guint32 splice_event_id;
gboolean splice_event_cancel_indicator;
/* If splice_event_cancel_indicator == 0 */
gboolean out_of_network_indicator;
gboolean program_splice_flag; /* NOTE: Only program splice are supported */
gboolean duration_flag;
gboolean splice_immediate_flag; /* Only valid for insert_event */
gboolean program_splice_time_specified;
guint64 program_splice_time;
gboolean break_duration_auto_return;
guint64 break_duration;
guint16 unique_program_id;
guint8 avail_num;
guint8 avails_expected;
};
/*
* Types of descriptors
*
* Note: These are only for the descriptors *WITHIN* a SIT */
typedef enum {
GST_MTS_SCTE_DESC_AVAIL = 0x00,
GST_MTS_SCTE_DESC_DTMF = 0x01,
GST_MTS_SCTE_DESC_SEGMENTATION = 0x02,
GST_MTS_SCTE_DESC_TIME = 0x03,
GST_MTS_SCTE_DESC_AUDIO = 0x04
} GstMpegtsSCTESpliceDescriptor;
typedef enum {
GST_MTS_SCTE_SPLICE_COMMAND_NULL = 0x00,
GST_MTS_SCTE_SPLICE_COMMAND_SCHEDULE = 0x04,
GST_MTS_SCTE_SPLICE_COMMAND_INSERT = 0x05,
GST_MTS_SCTE_SPLICE_COMMAND_TIME = 0x06,
GST_MTS_SCTE_SPLICE_COMMAND_BANDWIDTH = 0x07,
GST_MTS_SCTE_SPLICE_COMMAND_PRIVATE = 0xff
} GstMpegtsSCTESpliceCommandType;
#define GST_TYPE_MPEGTS_SCTE_SIT (gst_mpegts_scte_sit_get_type());
typedef struct _GstMpegtsSCTESIT GstMpegtsSCTESIT;
struct _GstMpegtsSCTESIT
{
/* Encryption not supported for now */
gboolean encrypted_packet;
guint8 encryption_algorithm;
guint64 pts_adjustment;
guint8 cw_index;
guint16 tier;
guint16 splice_command_length;
GstMpegtsSCTESpliceCommandType splice_command_type;
/* For time_signal commands */
gboolean splice_time_specified;
guint64 splice_time;
GPtrArray *splices;
GPtrArray *descriptors;
};
GST_MPEGTS_API
GType gst_mpegts_scte_sit_get_type (void);
GST_MPEGTS_API
GstMpegtsSCTESIT *gst_mpegts_scte_sit_new (void);
GST_MPEGTS_API
GstMpegtsSCTESIT *gst_mpegts_scte_null_new (void);
GST_MPEGTS_API
GstMpegtsSCTESIT *gst_mpegts_scte_cancel_new (guint32 event_id);
GST_MPEGTS_API
GstMpegtsSCTESIT *gst_mpegts_scte_splice_in_new (guint32 event_id,
guint64 splice_time);
GST_MPEGTS_API
GstMpegtsSCTESIT *gst_mpegts_scte_splice_out_new (guint32 event_id,
guint64 splice_time,
guint64 duration);
GST_MPEGTS_API
GType gst_mpegts_scte_splice_event_get_type (void);
GST_MPEGTS_API
GstMpegtsSCTESpliceEvent *gst_mpegts_scte_splice_event_new (void);
GST_MPEGTS_API
const GstMpegtsSCTESIT *gst_mpegts_section_get_scte_sit (GstMpegtsSection *section);
GST_MPEGTS_API
GstMpegtsSection *gst_mpegts_section_from_scte_sit (GstMpegtsSCTESIT * sit, guint16 pid);
G_END_DECLS
#endif /* GST_SCTE_SECTION_H */
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