mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-07 09:59:55 +00:00
5d3a0ca6a9
* Split up into appropriate individual header files * Document more sections and structures * Add well-known list of registration id Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1879>
219 lines
7.3 KiB
C
219 lines
7.3 KiB
C
/*
|
||
* 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. Most users would want to use the
|
||
* #GstMpegtsATSCStreamType instead since it also covers these stream types
|
||
*
|
||
*/
|
||
typedef enum {
|
||
|
||
/* 0x01 - 0x7f : 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 */
|