mirror of
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fd8bda1c03
Signed-off-by: Stefan Ringel <linuxtv@stefanringel.de> https://bugzilla.gnome.org/show_bug.cgi?id=725463
493 lines
17 KiB
C
493 lines
17 KiB
C
/*
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* gstmpegtsdescriptor.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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* Some parts of this code come from the Fluendo MPEG Demuxer plugin.
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*
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* The Initial Developer of the Original Code is Fluendo, S.L.
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* Portions created by Fluendo, S.L. are Copyright (C) 2005
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* Fluendo, S.L. All Rights Reserved.
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*
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* Contributor(s): Wim Taymans <wim@fluendo.com>
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*/
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#ifndef GST_DVB_DESCRIPTOR_H
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#define GST_DVB_DESCRIPTOR_H
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#include <gst/gst.h>
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G_BEGIN_DECLS
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/**
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* GstMpegTsDVBDescriptorType:
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*
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* The type of #GstMpegTsDescriptor
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*
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* These values correspond to the registered descriptor type from
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* the various DVB specifications.
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*
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* Consult the relevant specifications for more details.
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*/
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typedef enum {
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/* 64-127 DVB tags ETSI EN 300 468
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* (Specification for Service Information (SI) in DVB systems)
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*/
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GST_MTS_DESC_DVB_NETWORK_NAME = 0x40,
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GST_MTS_DESC_DVB_SERVICE_LIST = 0x41,
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GST_MTS_DESC_DVB_STUFFING = 0x42,
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GST_MTS_DESC_DVB_SATELLITE_DELIVERY_SYSTEM = 0x43,
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GST_MTS_DESC_DVB_CABLE_DELIVERY_SYSTEM = 0x44,
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GST_MTS_DESC_DVB_VBI_DATA = 0x45,
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GST_MTS_DESC_DVB_VBI_TELETEXT = 0x46,
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GST_MTS_DESC_DVB_BOUQUET_NAME = 0x47,
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GST_MTS_DESC_DVB_SERVICE = 0x48,
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GST_MTS_DESC_DVB_COUNTRY_AVAILABILITY = 0x49,
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GST_MTS_DESC_DVB_LINKAGE = 0x4A,
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GST_MTS_DESC_DVB_NVOD_REFERENCE = 0x4B,
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GST_MTS_DESC_DVB_TIME_SHIFTED_SERVICE = 0x4C,
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GST_MTS_DESC_DVB_SHORT_EVENT = 0x4D,
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GST_MTS_DESC_DVB_EXTENDED_EVENT = 0x4E,
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GST_MTS_DESC_DVB_TIME_SHIFTED_EVENT = 0x4F,
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GST_MTS_DESC_DVB_COMPONENT = 0x50,
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GST_MTS_DESC_DVB_MOSAIC = 0x51,
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GST_MTS_DESC_DVB_STREAM_IDENTIFIER = 0x52,
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GST_MTS_DESC_DVB_CA_IDENTIFIER = 0x53,
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GST_MTS_DESC_DVB_CONTENT = 0x54,
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GST_MTS_DESC_DVB_PARENTAL_RATING = 0x55,
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GST_MTS_DESC_DVB_TELETEXT = 0x56,
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GST_MTS_DESC_DVB_TELEPHONE = 0x57,
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GST_MTS_DESC_DVB_LOCAL_TIME_OFFSET = 0x58,
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GST_MTS_DESC_DVB_SUBTITLING = 0x59,
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GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM = 0x5A,
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GST_MTS_DESC_DVB_MULTILINGUAL_NETWORK_NAME = 0x5B,
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GST_MTS_DESC_DVB_MULTILINGUAL_BOUQUET_NAME = 0x5C,
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GST_MTS_DESC_DVB_MULTILINGUAL_SERVICE_NAME = 0x5D,
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GST_MTS_DESC_DVB_MULTILINGUAL_COMPONENT = 0x5E,
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GST_MTS_DESC_DVB_PRIVATE_DATA_SPECIFIER = 0x5F,
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GST_MTS_DESC_DVB_SERVICE_MOVE = 0x60,
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GST_MTS_DESC_DVB_SHORT_SMOOTHING_BUFFER = 0x61,
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GST_MTS_DESC_DVB_FREQUENCY_LIST = 0x62,
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GST_MTS_DESC_DVB_PARTIAL_TRANSPORT_STREAM = 0x63,
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GST_MTS_DESC_DVB_DATA_BROADCAST = 0x64,
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GST_MTS_DESC_DVB_SCRAMBLING = 0x65,
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GST_MTS_DESC_DVB_DATA_BROADCAST_ID = 0x66,
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GST_MTS_DESC_DVB_TRANSPORT_STREAM = 0x67,
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GST_MTS_DESC_DVB_DSNG = 0x68,
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GST_MTS_DESC_DVB_PDC = 0x69,
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GST_MTS_DESC_DVB_AC3 = 0x6A,
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GST_MTS_DESC_DVB_ANCILLARY_DATA = 0x6B,
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GST_MTS_DESC_DVB_CELL_LIST = 0x6C,
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GST_MTS_DESC_DVB_CELL_FREQUENCY_LINK = 0x6D,
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GST_MTS_DESC_DVB_ANNOUNCEMENT_SUPPORT = 0x6E,
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GST_MTS_DESC_DVB_APPLICATION_SIGNALLING = 0x6F,
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GST_MTS_DESC_DVB_ADAPTATION_FIELD_DATA = 0x70,
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GST_MTS_DESC_DVB_SERVICE_IDENTIFIER = 0x71,
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GST_MTS_DESC_DVB_SERVICE_AVAILABILITY = 0x72,
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GST_MTS_DESC_DVB_DEFAULT_AUTHORITY = 0x73,
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GST_MTS_DESC_DVB_RELATED_CONTENT = 0x74,
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GST_MTS_DESC_DVB_TVA_ID = 0x75,
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GST_MTS_DESC_DVB_CONTENT_IDENTIFIER = 0x76,
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GST_MTS_DESC_DVB_TIMESLICE_FEC_IDENTIFIER = 0x77,
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GST_MTS_DESC_DVB_ECM_REPETITION_RATE = 0x78,
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GST_MTS_DESC_DVB_S2_SATELLITE_DELIVERY_SYSTEM = 0x79,
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GST_MTS_DESC_DVB_ENHANCED_AC3 = 0x7A,
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GST_MTS_DESC_DVB_DTS = 0x7B,
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GST_MTS_DESC_DVB_AAC = 0x7C,
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GST_MTS_DESC_DVB_XAIT_LOCATION = 0x7D,
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GST_MTS_DESC_DVB_FTA_CONTENT_MANAGEMENT = 0x7E,
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GST_MTS_DESC_DVB_EXTENSION = 0x7F,
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} GstMpegTsDVBDescriptorType;
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/* GST_MTS_DESC_DVB_CAROUSEL_IDENTIFIER (0x13) */
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/* FIXME : Implement */
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/* GST_MTS_DESC_DVB_NETWORK_NAME (0x40) */
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gboolean gst_mpegts_descriptor_parse_dvb_network_name (const GstMpegTsDescriptor *descriptor,
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gchar **name);
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GstMpegTsDescriptor *gst_mpegts_descriptor_from_dvb_network_name (const gchar * name);
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/* GST_MTS_DESC_DVB_SATELLITE_DELIVERY_SYSTEM (0x43) */
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typedef struct _GstMpegTsSatelliteDeliverySystemDescriptor GstMpegTsSatelliteDeliverySystemDescriptor;
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typedef enum {
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GST_MPEGTS_MODULATION_QPSK = 0,
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GST_MPEGTS_MODULATION_QAM_16,
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GST_MPEGTS_MODULATION_QAM_32,
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GST_MPEGTS_MODULATION_QAM_64,
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GST_MPEGTS_MODULATION_QAM_128,
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GST_MPEGTS_MODULATION_QAM_256,
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GST_MPEGTS_MODULATION_QAM_AUTO,
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GST_MPEGTS_MODULATION_VSB_8,
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GST_MPEGTS_MODULATION_VSB_16,
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GST_MPEGTS_MODULATION_PSK_8,
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GST_MPEGTS_MODULATION_APSK_16,
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GST_MPEGTS_MODULATION_APSK_32,
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GST_MPEGTS_MODULATION_DQPSK,
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GST_MPEGTS_MODULATION_QAM_4_NR_,
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GST_MPEGTS_MODULATION_NONE
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} GstMpegTsModulationType;
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typedef enum {
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GST_MPEGTS_FEC_NONE = 0,
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GST_MPEGTS_FEC_1_2,
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GST_MPEGTS_FEC_2_3,
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GST_MPEGTS_FEC_3_4,
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GST_MPEGTS_FEC_4_5,
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GST_MPEGTS_FEC_5_6,
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GST_MPEGTS_FEC_6_7,
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GST_MPEGTS_FEC_7_8,
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GST_MPEGTS_FEC_8_9,
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GST_MPEGTS_FEC_AUTO,
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GST_MPEGTS_FEC_3_5,
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GST_MPEGTS_FEC_9_10,
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GST_MPEGTS_FEC_2_5
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} GstMpegTsDVBCodeRate;
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typedef enum {
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GST_MPEGTS_ROLLOFF_35 = 0,
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GST_MPEGTS_ROLLOFF_20,
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GST_MPEGTS_ROLLOFF_25,
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GST_MPEGTS_ROLLOFF_RESERVED,
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GST_MPEGTS_ROLLOFF_AUTO
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} GstMpegTsSatelliteRolloff;
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typedef enum {
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GST_MPEGTS_POLARIZATION_LINEAR_HORIZONTAL = 0,
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GST_MPEGTS_POLARIZATION_LINEAR_VERTICAL,
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GST_MPEGTS_POLARIZATION_CIRCULAR_LEFT,
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GST_MPEGTS_POLARIZATION_CIRCULAR_RIGHT
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} GstMpegTsSatellitePolarizationType;
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/**
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* GstMpegTsSatelliteDeliverySystemDescriptor:
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* @frequency: the frequency in kHz (kiloHertz)
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* @orbital_position: the orbital position in degrees
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* @west_east: If %TRUE, the satellite is in the eastern part of the orbit,
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* else in the western part.
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* @polarization: The polarization of the transmitted signal
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* @roll_off: Roll-off factor used in DVB-S2
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* @modulation_system: modulation system, %TRUE if DVB-S2, else DVB-S
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* @modulation_type: Modulation scheme used
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* @symbol_rate: Symbol rate (in symbols per second)
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* @fec_inner: inner FEC scheme used
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*
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* Satellite Delivery System Descriptor (EN 300 468 v.1.13.1)
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*/
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struct _GstMpegTsSatelliteDeliverySystemDescriptor
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{
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guint32 frequency;
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gfloat orbital_position;
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gboolean west_east;
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GstMpegTsSatellitePolarizationType polarization;
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GstMpegTsSatelliteRolloff roll_off;
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gboolean modulation_system;
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GstMpegTsModulationType modulation_type;
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guint32 symbol_rate;
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GstMpegTsDVBCodeRate fec_inner;
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};
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gboolean gst_mpegts_descriptor_parse_satellite_delivery_system (const GstMpegTsDescriptor *descriptor,
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GstMpegTsSatelliteDeliverySystemDescriptor *res);
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/* GST_MTS_DESC_DVB_CABLE_DELIVERY_SYSTEM (0x44) */
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typedef enum {
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GST_MPEGTS_CABLE_OUTER_FEC_UNDEFINED = 0,
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GST_MPEGTS_CABLE_OUTER_FEC_NONE,
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GST_MPEGTS_CABLE_OUTER_FEC_RS_204_188,
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} GstMpegTsCableOuterFECScheme;
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typedef struct _GstMpegTsCableDeliverySystemDescriptor GstMpegTsCableDeliverySystemDescriptor;
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/**
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* GstMpegTsCableDeliverySystemDescriptor:
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* @frequency: the frequency in Hz (Hertz)
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* @outer_fec: the outer FEC scheme used
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* @modulation: Modulation scheme used
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* @symbol_rate: Symbol rate (in symbols per second)
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* @fec_inner: inner FEC scheme used
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*
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* Cable Delivery System Descriptor (EN 300 468 v.1.13.1)
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*/
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struct _GstMpegTsCableDeliverySystemDescriptor
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{
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guint32 frequency;
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GstMpegTsCableOuterFECScheme outer_fec;
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GstMpegTsModulationType modulation;
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guint32 symbol_rate;
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GstMpegTsDVBCodeRate fec_inner;
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};
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gboolean gst_mpegts_descriptor_parse_cable_delivery_system (const GstMpegTsDescriptor *descriptor,
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GstMpegTsCableDeliverySystemDescriptor *res);
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/* GST_MTS_DESC_DVB_SERVICE (0x48) */
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/**
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* GstMpegTsDVBServiceType:
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*
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* The type of service of a channel.
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*
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* As specified in Table 87 of ETSI EN 300 468 v1.13.1
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*/
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typedef enum {
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GST_DVB_SERVICE_RESERVED_00 = 0x00,
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GST_DVB_SERVICE_DIGITAL_TELEVISION,
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GST_DVB_SERVICE_DIGITAL_RADIO_SOUND,
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GST_DVB_SERVICE_TELETEXT,
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GST_DVB_SERVICE_NVOD_REFERENCE,
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GST_DVB_SERVICE_NVOD_TIME_SHIFTED,
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GST_DVB_SERVICE_MOSAIC,
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GST_DVB_SERVICE_FM_RADIO,
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GST_DVB_SERVICE_DVB_SRM,
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GST_DVB_SERVICE_RESERVED_09,
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GST_DVB_SERVICE_ADVANCED_CODEC_DIGITAL_RADIO_SOUND,
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GST_DVB_SERVICE_ADVANCED_CODEC_MOSAIC,
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GST_DVB_SERVICE_DATA_BROADCAST,
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GST_DVB_SERVICE_RESERVED_0D_COMMON_INTERFACE,
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GST_DVB_SERVICE_RCS_MAP,
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GST_DVB_SERVICE_RCS_FLS,
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GST_DVB_SERVICE_DVB_MHP,
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GST_DVB_SERVICE_MPEG2_HD_DIGITAL_TELEVISION,
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/* 0x12 - 015 Reserved for future use */
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GST_DVB_SERVICE_ADVANCED_CODEC_SD_DIGITAL_TELEVISION = 0x16,
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GST_DVB_SERVICE_ADVANCED_CODEC_SD_NVOD_TIME_SHIFTED,
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GST_DVB_SERVICE_ADVANCED_CODEC_SD_NVOD_REFERENCE,
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GST_DVB_SERVICE_ADVANCED_CODEC_HD_DIGITAL_TELEVISION,
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GST_DVB_SERVICE_ADVANCED_CODEC_HD_NVOD_TIME_SHIFTED,
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GST_DVB_SERVICE_ADVANCED_CODEC_HD_NVOD_REFERENCE,
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GST_DVB_SERVICE_ADVANCED_CODEC_STEREO_HD_DIGITAL_TELEVISION,
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GST_DVB_SERVICE_ADVANCED_CODEC_STEREO_HD_NVOD_TIME_SHIFTED,
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GST_DVB_SERVICE_ADVANCED_CODEC_STEREO_HD_NVOD_REFERENCE,
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/* 0x1F - 0x7f Reserved for future use */
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/* 0x80 - 0xfe user defined */
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/* 0xff Reserved for future use */
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GST_DVB_SERVICE_RESERVED_FF
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} GstMpegTsDVBServiceType;
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gboolean gst_mpegts_descriptor_parse_dvb_service (const GstMpegTsDescriptor *descriptor,
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GstMpegTsDVBServiceType *service_type,
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gchar **service_name,
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gchar **provider_name);
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GstMpegTsDescriptor *gst_mpegts_descriptor_from_dvb_service (GstMpegTsDVBServiceType service_type,
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const gchar * service_name,
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const gchar * service_provider);
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/* GST_MTS_DESC_DVB_SHORT_EVENT (0x4D) */
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gboolean gst_mpegts_descriptor_parse_dvb_short_event (const GstMpegTsDescriptor *descriptor,
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gchar **language_code,
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gchar **event_name,
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gchar **text);
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/* GST_MTS_DESC_DVB_EXTENDED_EVENT (0x4E) */
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typedef struct _GstMpegTsExtendedEventDescriptor GstMpegTsExtendedEventDescriptor;
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typedef struct _GstMpegTsExtendedEventItem GstMpegTsExtendedEventItem;
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/* FIXME : Maybe make a separate method for getting a specific item entry ? */
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struct _GstMpegTsExtendedEventItem
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{
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gchar *item_description;
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gchar *item;
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};
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/**
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* GstMpegTsExtendedEventDescriptor:
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* @desctiptor_number:
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* @last_descriptor_number:
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* @language_code:
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* @nb_items:
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* @items: (element-type GstMpegTsExtendedEventItem): the #GstMpegTsExtendedEventItem
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* @text:
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*
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* Extended Event Descriptor (EN 300 468 v.1.13.1)
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*/
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struct _GstMpegTsExtendedEventDescriptor
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{
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guint8 descriptor_number;
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guint8 last_descriptor_number;
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gchar language_code[3];
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guint8 nb_items;
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GPtrArray *items;
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gchar *text;
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};
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gboolean gst_mpegts_descriptor_parse_dvb_extended_event (const GstMpegTsDescriptor *descriptor,
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GstMpegTsExtendedEventDescriptor *res);
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/* GST_MTS_DESC_DVB_COMPONENT (0x50) */
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typedef struct _GstMpegTsComponentDescriptor GstMpegTsComponentDescriptor;
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struct _GstMpegTsComponentDescriptor
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{
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guint8 stream_content;
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guint8 component_type;
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guint8 component_tag;
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/* FIXME : Make it a separate (allocated, null-terminated) return value */
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gchar language_code[3];
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gchar *text;
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};
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gboolean gst_mpegts_descriptor_parse_dvb_component (const GstMpegTsDescriptor *descriptor,
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GstMpegTsComponentDescriptor *res);
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/* GST_MTS_DESC_DVB_STREAM_IDENTIFIER (0x52) */
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gboolean gst_mpegts_descriptor_parse_dvb_stream_identifier (const GstMpegTsDescriptor *descriptor,
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guint8 *component_tag);
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/* GST_MTS_DESC_DVB_CONTENT (0x54) */
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typedef struct _GstMpegTsContent GstMpegTsContent;
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struct _GstMpegTsContent
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{
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guint8 content_nibble_1;
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guint8 content_nibble_2;
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guint8 user_byte;
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};
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gboolean gst_mpegts_descriptor_parse_dvb_content (const GstMpegTsDescriptor *
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descriptor, GPtrArray ** content);
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/* GST_MTS_DESC_DVB_TELETEXT (0x56) */
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/**
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* GstMpegTsDVBTeletextType:
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*
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* The type of teletext page.
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*
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* As specified in Table 100 of ETSI EN 300 468 v1.13.1
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*/
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typedef enum {
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INITIAL_PAGE = 0x01,
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SUBTITLE_PAGE,
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ADDITIONAL_INFO_PAGE,
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PROGRAMME_SCHEDULE_PAGE,
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HEARING_IMPAIRED_PAGE
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} GstMpegTsDVBTeletextType;
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gboolean gst_mpegts_descriptor_parse_dvb_teletext_idx (const GstMpegTsDescriptor *
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descriptor, guint idx, gchar (*language_code)[4],
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GstMpegTsDVBTeletextType * teletext_type, guint8 * magazine_number,
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guint8 * page_number);
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guint gst_mpegts_descriptor_parse_dvb_teletext_nb (const GstMpegTsDescriptor *
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descriptor);
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/* GST_MTS_DESC_DVB_SUBTITLING (0x59) */
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gboolean gst_mpegts_descriptor_parse_dvb_subtitling_idx (const GstMpegTsDescriptor *descriptor,
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guint idx, gchar (*lang)[4],
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guint8 *type, guint16 *composition_page_id,
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guint16 *ancillary_page_id);
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guint gst_mpegts_descriptor_parse_dvb_subtitling_nb (const GstMpegTsDescriptor *descriptor);
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GstMpegTsDescriptor * gst_mpegts_descriptor_from_dvb_subtitling (const gchar *lang,
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guint8 type, guint16 composition, guint16 ancillary);
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/* GST_MTS_DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM (0x5A) */
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typedef struct _GstMpegTsTerrestrialDeliverySystemDescriptor GstMpegTsTerrestrialDeliverySystemDescriptor;
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typedef enum {
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GST_MPEGTS_TRANSMISSION_MODE_2K = 0,
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GST_MPEGTS_TRANSMISSION_MODE_8K,
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GST_MPEGTS_TRANSMISSION_MODE_AUTO,
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GST_MPEGTS_TRANSMISSION_MODE_4K,
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GST_MPEGTS_TRANSMISSION_MODE_1K,
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GST_MPEGTS_TRANSMISSION_MODE_16K,
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GST_MPEGTS_TRANSMISSION_MODE_32K,
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GST_MPEGTS_TRANSMISSION_MODE_C1,
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GST_MPEGTS_TRANSMISSION_MODE_C3780
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} GstMpegTsTerrestrialTransmissionMode;
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typedef enum {
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GST_MPEGTS_GUARD_INTERVAL_1_32 = 0,
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GST_MPEGTS_GUARD_INTERVAL_1_16,
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GST_MPEGTS_GUARD_INTERVAL_1_8,
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GST_MPEGTS_GUARD_INTERVAL_1_4,
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GST_MPEGTS_GUARD_INTERVAL_AUTO,
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GST_MPEGTS_GUARD_INTERVAL_1_128,
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GST_MPEGTS_GUARD_INTERVAL_19_128,
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GST_MPEGTS_GUARD_INTERVAL_19_256,
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GST_MPEGTS_GUARD_INTERVAL_PN420,
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GST_MPEGTS_GUARD_INTERVAL_PN595,
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GST_MPEGTS_GUARD_INTERVAL_PN945
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} GstMpegTsTerrestrialGuardInterval;
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typedef enum {
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GST_MPEGTS_HIERARCHY_NONE = 0,
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GST_MPEGTS_HIERARCHY_1,
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GST_MPEGTS_HIERARCHY_2,
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GST_MPEGTS_HIERARCHY_4,
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GST_MPEGTS_HIERARCHY_AUTO
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} GstMpegTsTerrestrialHierarchy;
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/**
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* GstMpegTsTerrestrialDeliverySystemDescriptor:
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* @frequency: the frequency in Hz (Hertz)
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* @bandwidth: the bandwidth in Hz (Hertz)
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* @priority: %TRUE High Priority %FALSE Low Priority
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* @time_slicing: %TRUE no time slicing %FALSE time slicing
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* @mpe_fec: %TRUE no mpe-fec is used %FALSE mpe-fec is use
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* @constellation: the constallation
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* @hierarchy: the hierarchy
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* @code_rate_hp:
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* @code_rate_lp:
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* @guard_interval:
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* @transmission_mode:
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* @other_frequency: %TRUE more frequency are use, else not
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*
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* Terrestrial Delivery System Descriptor (EN 300 468 v.1.13.1)
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*/
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struct _GstMpegTsTerrestrialDeliverySystemDescriptor
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{
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guint32 frequency;
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guint32 bandwidth;
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gboolean priority;
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gboolean time_slicing;
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gboolean mpe_fec;
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GstMpegTsModulationType constellation;
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GstMpegTsTerrestrialHierarchy hierarchy;
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GstMpegTsDVBCodeRate code_rate_hp;
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GstMpegTsDVBCodeRate code_rate_lp;
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GstMpegTsTerrestrialGuardInterval guard_interval;
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GstMpegTsTerrestrialTransmissionMode transmission_mode;
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gboolean other_frequency;
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};
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gboolean gst_mpegts_descriptor_parse_terrestrial_delivery_system (const GstMpegTsDescriptor
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*descriptor, GstMpegTsTerrestrialDeliverySystemDescriptor * res);
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/* GST_MTS_DESC_DVB_FREQUENCY_LIST (0x62) */
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/* FIXME : Implement */
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/* GST_MTS_DESC_DVB_DATA_BROADCAST (0x64) */
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/* FIXME: Implement */
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/* GST_MTS_DESC_DVB_DATA_BROADCAST_ID (0x66) */
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/* FIXME : Implement */
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/* GST_MTS_DESC_DVB_AC3 (0x6a) */
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/* FIXME : Implement */
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G_END_DECLS
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#endif /* GST_MPEGTS_DESCRIPTOR_H */
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