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314 lines
8.7 KiB
C
314 lines
8.7 KiB
C
/*
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* mpegtspacketizer.h -
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* Copyright (C) 2013 Edward Hervey
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*
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* Authors:
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* Edward Hervey <edward@collabora.com>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef GST_ATSC_SECTION_H
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#define GST_ATSC_SECTION_H
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#include <gst/gst.h>
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#include <gst/mpegts/gstmpegtssection.h>
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#include <gst/mpegts/gstmpegtsdescriptor.h>
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G_BEGIN_DECLS
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/**
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* GstMpegTsSectionATSCTableID:
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*
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* Values for a #GstMpegTsSection table_id.
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*
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* These are the registered ATSC table_id variants.
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*
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* see also: #GstMpegTsSectionTableID
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*/
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typedef enum {
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/* ATSC (A/65) */
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GST_MTS_TABLE_ID_ATSC_MASTER_GUIDE = 0xC7,
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GST_MTS_TABLE_ID_ATSC_TERRESTRIAL_VIRTUAL_CHANNEL = 0xC8,
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GST_MTS_TABLE_ID_ATSC_CABLE_VIRTUAL_CHANNEL = 0xC9,
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GST_MTS_TABLE_ID_ATSC_RATING_REGION = 0xCA,
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GST_MTS_TABLE_ID_ATSC_EVENT_INFORMATION = 0xCB,
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GST_MTS_TABLE_ID_ATSC_CHANNEL_OR_EVENT_EXTENDED_TEXT = 0xCC,
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GST_MTS_TABLE_ID_ATSC_SYSTEM_TIME = 0xCD,
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/* ATSC (A/90) */
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GST_MTS_TABLE_ID_ATSC_DATA_EVENT = 0xCE,
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GST_MTS_TABLE_ID_ATSC_DATA_SERVICE = 0xCF,
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/* 0xD0 ?? */
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GST_MTS_TABLE_ID_ATSC_NETWORK_RESOURCE = 0xD1,
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GST_MTS_TABLE_ID_ATSC_LONG_TERM_SERVICE = 0xD2,
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GST_MTS_TABLE_ID_ATSC_DIRECTED_CHANNEL_CHANGE = 0xD3,
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GST_MTS_TABLE_ID_ATSC_DIRECTED_CHANNEL_CHANGE_SECTION_CODE = 0xD4,
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/* 0xD5 ?? */
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GST_MTS_TABLE_ID_ATSC_AGGREGATE_EVENT_INFORMATION = 0xD6,
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GST_MTS_TABLE_ID_ATSC_AGGREGATE_EXTENDED_TEXT = 0xD7,
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/* 0xD8 ?? */
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GST_MTS_TABLE_ID_ATSC_AGGREGATE_DATA_EVENT = 0xD9,
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GST_MTS_TABLE_ID_ATSC_SATELLITE_VIRTUAL_CHANNEL = 0xDA,
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} GstMpegTsSectionATSCTableID;
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/* TVCT/CVCT */
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#define GST_TYPE_MPEGTS_ATSC_VCT (gst_mpegts_atsc_vct_get_type ())
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#define GST_TYPE_MPEGTS_ATSC_VCT_SOURCE (gst_mpegts_atsc_vct_source_get_type ())
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typedef struct _GstMpegTsAtscVCTSource GstMpegTsAtscVCTSource;
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typedef struct _GstMpegTsAtscVCT GstMpegTsAtscVCT;
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/**
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* GstMpegTsAtscVCTSource:
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* @descriptors: (element-type GstMpegTsDescriptor): descriptors
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*
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* Source from a @GstMpegTsAtscVCT, can be used both for TVCT and CVCT tables
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*/
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struct _GstMpegTsAtscVCTSource
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{
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gchar *short_name;
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guint16 major_channel_number;
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guint16 minor_channel_number;
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guint8 modulation_mode;
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guint32 carrier_frequency;
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guint16 channel_TSID;
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guint16 program_number;
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/* FIXME: */
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guint8 ETM_location;
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gboolean access_controlled;
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gboolean hidden;
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gboolean path_select; /* CVCT only - reserved bit in TVCT */
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gboolean out_of_band; /* CVCT only - reserved bit in TVCT */
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gboolean hide_guide;
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/* FIXME: */
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guint8 service_type;
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guint16 source_id;
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GPtrArray *descriptors;
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};
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/**
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* GstMpegTsAtscVCT:
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* @sources: (element-type GstMpegTsAtscVCTSource): sources
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* @descriptors: (element-type GstMpegTsDescriptor): descriptors
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*
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* Represents both:
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* Terrestrial Virtual Channel Table (A65)
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* Cable Virtual Channel Table (A65)
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*
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*/
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struct _GstMpegTsAtscVCT
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{
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guint16 transport_stream_id;
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guint8 protocol_version;
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GPtrArray *sources;
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GPtrArray *descriptors;
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};
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GType gst_mpegts_atsc_vct_get_type (void);
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GType gst_mpegts_atsc_vct_source_get_type (void);
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const GstMpegTsAtscVCT * gst_mpegts_section_get_atsc_tvct (GstMpegTsSection * section);
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const GstMpegTsAtscVCT * gst_mpegts_section_get_atsc_cvct (GstMpegTsSection * section);
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/* MGT */
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#define GST_TYPE_MPEGTS_ATSC_MGT (gst_mpegts_atsc_mgt_get_type ())
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#define GST_TYPE_MPEGTS_ATSC_MGT_TABLE (gst_mpegts_atsc_mgt_table_get_type ())
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typedef struct _GstMpegTsAtscMGTTable GstMpegTsAtscMGTTable;
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typedef struct _GstMpegTsAtscMGT GstMpegTsAtscMGT;
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typedef enum {
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GST_MPEG_TS_ATSC_MGT_TABLE_TYPE_EIT0 = 0x0100,
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GST_MPEG_TS_ATSC_MGT_TABLE_TYPE_EIT127 = 0x017F,
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GST_MPEG_TS_ATSC_MGT_TABLE_TYPE_ETT0 = 0x0200,
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GST_MPEG_TS_ATSC_MGT_TABLE_TYPE_ETT127 = 0x027F
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} GstMpegTsAtscMGTTableType;
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/**
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* GstMpegTsAtscMGTTable:
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* @descriptors: (element-type GstMpegTsDescriptor): descriptors
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*
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* Source from a @GstMpegTsAtscMGT
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*/
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struct _GstMpegTsAtscMGTTable
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{
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guint16 table_type;
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guint16 pid;
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guint8 version_number;
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guint32 number_bytes;
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GPtrArray *descriptors;
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};
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/**
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* GstMpegTsAtscMGT:
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* @tables: (element-type GstMpegTsAtscMGTTable): the tables
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* @descriptors: (element-type GstMpegTsDescriptor): descriptors
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*
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* Master Guide Table (A65)
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*
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*/
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struct _GstMpegTsAtscMGT
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{
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guint8 protocol_version;
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guint16 tables_defined;
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GPtrArray *tables;
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GPtrArray *descriptors;
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};
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GType gst_mpegts_atsc_mgt_get_type (void);
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GType gst_mpegts_atsc_mgt_table_get_type (void);
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const GstMpegTsAtscMGT * gst_mpegts_section_get_atsc_mgt (GstMpegTsSection * section);
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/* Multiple string structure (used in ETT and EIT */
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#define GST_TYPE_MPEGTS_ATSC_STRING_SEGMENT (gst_mpegts_atsc_string_segment_get_type())
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#define GST_TYPE_MPEGTS_ATSC_MULT_STRING (gst_mpegts_atsc_mult_string_get_type())
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typedef struct _GstMpegTsAtscStringSegment GstMpegTsAtscStringSegment;
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typedef struct _GstMpegTsAtscMultString GstMpegTsAtscMultString;
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struct _GstMpegTsAtscStringSegment {
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guint8 compression_type;
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guint8 mode;
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guint8 compressed_data_size;
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guint8 *compressed_data;
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gchar *cached_string;
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};
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const gchar * gst_mpegts_atsc_string_segment_get_string (GstMpegTsAtscStringSegment * seg);
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/**
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* GstMpegTsAtscMultString:
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* @segments: (element-type GstMpegTsAtscStringSegment)
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*
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*/
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struct _GstMpegTsAtscMultString {
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gchar iso_639_langcode[4];
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GPtrArray *segments;
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};
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GType gst_mpegts_atsc_string_segment_get_type (void);
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GType gst_mpegts_atsc_mult_string_get_type (void);
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/* EIT */
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#define GST_TYPE_MPEGTS_ATSC_EIT_EVENT (gst_mpegts_atsc_eit_event_get_type())
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#define GST_TYPE_MPEGTS_ATSC_EIT (gst_mpegts_atsc_eit_get_type())
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typedef struct _GstMpegTsAtscEITEvent GstMpegTsAtscEITEvent;
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typedef struct _GstMpegTsAtscEIT GstMpegTsAtscEIT;
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/**
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* GstMpegTsAtscEITEvent:
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* @titles: (element-type GstMpegTsAtscMultString): the titles
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* @descriptors: (element-type GstMpegTsDescriptor): descriptors
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*
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* An ATSC EIT Event
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*/
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struct _GstMpegTsAtscEITEvent {
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guint16 event_id;
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guint32 start_time;
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guint8 etm_location;
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guint32 length_in_seconds;
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GPtrArray *titles;
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GPtrArray *descriptors;
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};
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/**
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* GstMpegTsAtscEIT:
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* @events: (element-type GstMpegTsAtscEITEvent): Events
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*
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* Event Information Table (ATSC)
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*
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*/
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struct _GstMpegTsAtscEIT
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{
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guint16 source_id;
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guint8 protocol_version;
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GPtrArray *events;
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};
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GType gst_mpegts_atsc_eit_event_get_type (void);
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GType gst_mpegts_atsc_eit_get_type (void);
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const GstMpegTsAtscEIT *gst_mpegts_section_get_atsc_eit (GstMpegTsSection *section);
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/* ETT */
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#define GST_TYPE_MPEGTS_ATSC_ETT (gst_mpegts_atsc_ett_get_type())
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typedef struct _GstMpegTsAtscETT GstMpegTsAtscETT;
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/**
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* GstMpegTsAtscETT:
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* @messages: (element-type GstMpegTsAtscMultString): List of texts
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*
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* Extended Text Table (ATSC)
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*
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*/
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struct _GstMpegTsAtscETT
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{
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guint16 ett_table_id_extension;
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guint16 protocol_version;
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guint32 etm_id;
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GPtrArray *messages;
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};
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GType gst_mpegts_atsc_ett_get_type (void);
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const GstMpegTsAtscETT *gst_mpegts_section_get_atsc_ett (GstMpegTsSection *section);
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/* STT */
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#define GST_TYPE_MPEGTS_ATSC_STT (gst_mpegts_atsc_stt_get_type ())
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typedef struct _GstMpegTsAtscSTT GstMpegTsAtscSTT;
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/**
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* GstMpegTsAtscSTT:
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* @descriptors: (element-type GstMpegTsDescriptor): descriptors
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*
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* System Time Table (A65)
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*
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*/
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struct _GstMpegTsAtscSTT
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{
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guint8 protocol_version;
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guint32 system_time;
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guint8 gps_utc_offset;
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gboolean ds_status;
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guint8 ds_dayofmonth;
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guint8 ds_hour;
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GPtrArray *descriptors;
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GstDateTime *utc_datetime;
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};
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GType gst_mpegts_atsc_stt_get_type (void);
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const GstMpegTsAtscSTT * gst_mpegts_section_get_atsc_stt (GstMpegTsSection * section);
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/* FIXME receive a non-const parameter but we only provide a const getter */
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GstDateTime * gst_mpegts_atsc_stt_get_datetime_utc (GstMpegTsAtscSTT * stt);
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G_END_DECLS
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#endif /* GST_MPEGTS_SECTION_H */
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