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gstreamer/gst-libs/gst/mpegts/gstmpegtssection.h

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/*
* mpegtspacketizer.h -
* Copyright (C) 2013 Edward Hervey
*
* Authors:
* Edward Hervey <edward@collabora.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_MPEGTS_SECTION_H
#define GST_MPEGTS_SECTION_H
#include <gst/gst.h>
#include <gst/mpegts/gstmpegtsdescriptor.h>
G_BEGIN_DECLS
typedef struct _GstMpegTsSection GstMpegTsSection;
#define GST_TYPE_MPEGTS_SECTION (gst_mpegts_section_get_type())
#define GST_MPEGTS_SECTION(section) ((GstMpegTsSection*) section)
#define GST_MPEGTS_SECTION_TYPE(section) (GST_MPEGTS_SECTION (section)->section_type)
GType gst_mpegts_section_get_type (void);
/**
* GstMpegTsSectionType:
* @GST_MPEGTS_SECTION_UNKNOWN: Unknown section type
* @GST_MPEGTS_SECTION_PAT: Program Association Table (ISO/IEC 13818-1)
* @GST_MPEGTS_SECTION_PMT: Program Map Table (ISO/IEC 13818-1)
* @GST_MPEGTS_SECTION_CAT: Conditional Access Table (ISO/IEC 13818-1)
* @GST_MPEGTS_SECTION_TSDT: Transport Stream Description Table (ISO/IEC 13818-1)
* @GST_MPEGTS_SECTION_EIT: Event Information Table (EN 300 468)
* @GST_MPEGTS_SECTION_NIT: Network Information Table (ISO/IEC 13818-1 / EN 300 468)
* @GST_MPEGTS_SECTION_BAT: Bouquet Association Table ((EN 300 468)
* @GST_MPEGTS_SECTION_SDT: Service Description Table (EN 300 468)
* @GST_MPEGTS_SECTION_TDT: Time and Date Table (EN 300 468)
* @GST_MPEGTS_SECTION_TOT: Time Offset Table (EN 300 468)
* @GST_MPEGTS_SECTION_ATSC_TVCT: ATSC Terrestrial Virtual Channel Table (A65)
*
* Types of #GstMpegTsSection that the library handles.
*/
typedef enum {
GST_MPEGTS_SECTION_UNKNOWN = 0,
GST_MPEGTS_SECTION_PAT,
GST_MPEGTS_SECTION_PMT,
GST_MPEGTS_SECTION_CAT,
GST_MPEGTS_SECTION_TSDT,
GST_MPEGTS_SECTION_EIT,
GST_MPEGTS_SECTION_NIT,
GST_MPEGTS_SECTION_BAT,
GST_MPEGTS_SECTION_SDT,
GST_MPEGTS_SECTION_TDT,
GST_MPEGTS_SECTION_TOT,
GST_MPEGTS_SECTION_ATSC_TVCT
} GstMpegTsSectionType;
/**
* GstMpegTsSectionTableID:
*
* Values for a #GstMpegTsSection table_id
*
* These are the registered ITU H.222.0 | ISO/IEC 13818-1 table_id variants.
*
* see also #GstMpegTsSectionATSCTableID, #GstMpegTsSectionDVBTableID, and
* #GstMpegTsSectionSCTETableID
*/
typedef enum {
/* ITU H.222.0 / IEC 13818-1 */
GST_MTS_TABLE_ID_PROGRAM_ASSOCIATION = 0x00,
GST_MTS_TABLE_ID_CONDITIONAL_ACCESS = 0x01,
GST_MTS_TABLE_ID_TS_PROGRAM_MAP = 0x02,
GST_MTS_TABLE_ID_TS_DESCRIPTION = 0x03,
GST_MTS_TABLE_ID_14496_SCENE_DESCRIPTION = 0x04,
GST_MTS_TABLE_ID_14496_OBJET_DESCRIPTOR = 0x05,
GST_MTS_TABLE_ID_METADATA = 0x06,
GST_MTS_TABLE_ID_IPMP_CONTROL_INFORMATION = 0x07,
/* 0x08 - 0x39 : ITU H.222.0 | ISO/IEC 13818-1 reserved */
/* IEC 13818-6 (DSM-CC) */
GST_MTS_TABLE_ID_DSM_CC_MULTIPROTO_ENCAPSULATED_DATA = 0x3A,
GST_MTS_TABLE_ID_DSM_CC_U_N_MESSAGES = 0x3B,
GST_MTS_TABLE_ID_DSM_CC_DOWNLOAD_DATA_MESSAGES = 0x3C,
GST_MTS_TABLE_ID_DSM_CC_STREAM_DESCRIPTORS = 0x3D,
GST_MTS_TABLE_ID_DSM_CC_PRIVATE_DATA = 0x3E,
GST_MTS_TABLE_ID_DSM_CC_ADDRESSABLE_SECTIONS = 0x3F,
/* Unset */
GST_MTS_TABLE_ID_UNSET = 0xFF
} GstMpegTsSectionTableID;
typedef gboolean (*GstMpegTsPacketizeFunc) (GstMpegTsSection *section);
/**
* GstMpegTsSection:
* @section_type: The type of section
* @pid: The pid on which this section was found
* @table_id: The table id of this section
* @subtable_extension: This meaning differs per section. See the documentation
* of the parsed section type for the meaning of this field
* @version_number: Version of the section.
* @current_next_indicator: Applies to current/next stream or not
* @section_number: Number of the section (if multiple)
* @last_section_number: Number of the last expected section (if multiple)
* @crc: CRC
*
* Mpeg-TS Section Information (SI) (ISO/IEC 13818-1)
*/
struct _GstMpegTsSection
{
/*< private >*/
GstMiniObject parent;
/*< public >*/
GstMpegTsSectionType section_type;
guint16 pid;
guint8 table_id;
guint16 subtable_extension;
guint8 version_number;
gboolean current_next_indicator;
guint8 section_number;
guint8 last_section_number;
guint32 crc;
/*< private >*/
/* data: Points to beginning of section data
* i.e. the first byte is the table_id field */
guint8 *data;
/* section_length: length of data (including final CRC if present) */
guint section_length;
/* cached_parsed: cached copy of parsed section */
gpointer *cached_parsed;
/* destroy_parsed: function to clear cached_parsed */
GDestroyNotify destroy_parsed;
/* offset: offset of the section within the container stream */
guint64 offset;
/* short_section: TRUE if section_syntax_indicator == 0
* FIXME : Maybe make public later on when allowing creation of
* sections to that people can create private short sections ? */
gboolean short_section;
GstMpegTsPacketizeFunc packetizer;
};
GBytes *gst_mpegts_section_get_data (GstMpegTsSection *section);
/* PAT */
#define GST_TYPE_MPEGTS_PAT_PROGRAM (gst_mpegts_pat_program_get_type())
typedef struct _GstMpegTsPatProgram GstMpegTsPatProgram;
/**
* GstMpegTsPatProgram:
* @program_number: the program number
* @network_or_program_map_PID: the network of program map PID
*
* A program entry from a Program Association Table (ITU H.222.0, ISO/IEC 13818-1).
*/
struct _GstMpegTsPatProgram
{
guint16 program_number;
guint16 network_or_program_map_PID;
};
GPtrArray *gst_mpegts_section_get_pat (GstMpegTsSection *section);
GType gst_mpegts_pat_program_get_type (void);
GPtrArray *gst_mpegts_pat_new (void);
GstMpegTsPatProgram *gst_mpegts_pat_program_new (void);
GstMpegTsSection *gst_mpegts_section_from_pat (GPtrArray * programs,
guint16 ts_id);
/* CAT */
GPtrArray *gst_mpegts_section_get_cat (GstMpegTsSection *section);
/* PMT */
typedef struct _GstMpegTsPMTStream GstMpegTsPMTStream;
typedef struct _GstMpegTsPMT GstMpegTsPMT;
#define GST_TYPE_MPEGTS_PMT (gst_mpegts_pmt_get_type())
#define GST_TYPE_MPEGTS_PMT_STREAM (gst_mpegts_pmt_stream_get_type())
/**
* GstMpegTsStreamType:
* @GST_MPEG_TS_STREAM_TYPE_RESERVED_00: ITU-T | ISO/IEC Reserved
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_MPEG1: ISO/IEC 11172-2 Video
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_MPEG2: Rec. ITU-T H.262 | ISO/IEC 13818-2
* Video or ISO/IEC 11172-2 constrained parameter video stream
* @GST_MPEG_TS_STREAM_TYPE_AUDIO_MPEG1: ISO/IEC 11172-3 Audio
* @GST_MPEG_TS_STREAM_TYPE_AUDIO_MPEG2: ISO/IEC 13818-3 Audio
* @GST_MPEG_TS_STREAM_TYPE_PRIVATE_SECTIONS: private sections
* @GST_MPEG_TS_STREAM_TYPE_PRIVATE_PES_PACKETS: PES packets containing private data
* @GST_MPEG_TS_STREAM_TYPE_MHEG: ISO/IEC 13522 MHEG
* @GST_MPEG_TS_STREAM_TYPE_DSM_CC: Annex A DSM-CC
* @GST_MPEG_TS_STREAM_TYPE_H_222_1: Rec. ITU-T H.222.1
* @GST_MPEG_TS_STREAM_TYPE_DSMCC_A: ISO/IEC 13818-6 type A
* @GST_MPEG_TS_STREAM_TYPE_DSMCC_B: ISO/IEC 13818-6 type B
* @GST_MPEG_TS_STREAM_TYPE_DSMCC_C: ISO/IEC 13818-6 type C
* @GST_MPEG_TS_STREAM_TYPE_DSMCC_D: ISO/IEC 13818-6 type D
* @GST_MPEG_TS_STREAM_TYPE_AUXILIARY: auxiliary streams
* @GST_MPEG_TS_STREAM_TYPE_AUDIO_AAC_ADTS: ISO/IEC 13818-7 Audio with ADTS
* transport syntax
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_MPEG4: ISO/IEC 14496-2 Visual
* @GST_MPEG_TS_STREAM_TYPE_AUDIO_AAC_LATM: ISO/IEC 14496-3 Audio with the LATM
* transport syntax as defined in ISO/IEC 14496-3
* @GST_MPEG_TS_STREAM_TYPE_SL_FLEXMUX_PES_PACKETS: ISO/IEC 14496-1
* SL-packetized stream or FlexMux stream carried in PES packets
* @GST_MPEG_TS_STREAM_TYPE_SL_FLEXMUX_SECTIONS: ISO/IEC 14496-1 SL-packetized
* stream or FlexMux stream carried in ISO/IEC 14496_sections
* @GST_MPEG_TS_STREAM_TYPE_SYNCHRONIZED_DOWNLOAD: ISO/IEC 13818-6 Synchronized
* Download Protocol
* @GST_MPEG_TS_STREAM_TYPE_METADATA_PES_PACKETS: Metadata carried in PES packets
* @GST_MPEG_TS_STREAM_TYPE_METADATA_SECTIONS: Metadata carried in metadata_sections
* @GST_MPEG_TS_STREAM_TYPE_METADATA_DATA_CAROUSEL: Metadata carried in ISO/IEC
* 13818-6 Data Carousel
* @GST_MPEG_TS_STREAM_TYPE_METADATA_OBJECT_CAROUSEL: Metadata carried in
* ISO/IEC 13818-6 Object Carousel
* @GST_MPEG_TS_STREAM_TYPE_METADATA_SYNCHRONIZED_DOWNLOAD: Metadata carried in
* ISO/IEC 13818-6 Synchronized Download Protocol
* @GST_MPEG_TS_STREAM_TYPE_MPEG2_IPMP: IPMP stream (defined in ISO/IEC 13818-11,
* MPEG-2 IPMP)
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_H264: AVC video stream conforming to one or
* more profiles defined in Annex A of Rec. ITU-T H.264 | ISO/IEC 14496-10 or
* AVC video sub-bitstream of SVC as defined in 2.1.78 or MVC base view
* sub-bitstream, as defined in 2.1.85, or AVC video sub-bitstream of MVC, as
* defined in 2.1.88
* @GST_MPEG_TS_STREAM_TYPE_AUDIO_AAC_CLEAN: ISO/IEC 14496-3 Audio, without
* using any additional transport syntax, such as DST, ALS and SLS
* @GST_MPEG_TS_STREAM_TYPE_MPEG4_TIMED_TEXT: ISO/IEC 14496-17 Text
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_RVC: Auxiliary video stream as defined in
* ISO/IEC 23002-3
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_H264_SVC_SUB_BITSTREAM: SVC video sub-bitstream
* of an AVC video stream conforming to one or more profiles defined in Annex G
* of Rec. ITU-T H.264 | ISO/IEC 14496-10
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_H264_MVC_SUB_BITSTREAM: MVC video sub-bitstream
* of an AVC video stream conforming to one or more profiles defined in Annex H
* of Rec. ITU-T H.264 | ISO/IEC 14496-10
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_JP2K: Video stream conforming to one or more
* profiles as defined in Rec. ITU-T T.800 | ISO/IEC 15444-1
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_MPEG2_STEREO_ADDITIONAL_VIEW: Additional view
* Rec. ITU-T H.262 | ISO/IEC 13818-2 video stream for service-compatible
* stereoscopic 3D services
* @GST_MPEG_TS_STREAM_TYPE_VIDEO_H264_STEREO_ADDITIONAL_VIEW: Additional view
* Rec. ITU-T H.264 | ISO/IEC 14496-10 video stream conforming to one or more
* profiles defined in Annex A for service-compatible stereoscopic 3D services
* @GST_MPEG_TS_STREAM_TYPE_IPMP_STREAM: IPMP stream
*
* Type of mpeg-ts stream type.
*
* These values correspond to the base standard registered types. Depending
* on the variant of mpeg-ts being used (Bluray, ATSC, DVB, ...), other
* types might also be used, but will not conflict with these.
*
* Corresponds to table 2-34 of ITU H.222.0 | ISO/IEC 13818-1
*/
typedef enum {
GST_MPEG_TS_STREAM_TYPE_RESERVED_00 = 0x00,
GST_MPEG_TS_STREAM_TYPE_VIDEO_MPEG1 = 0x01,
GST_MPEG_TS_STREAM_TYPE_VIDEO_MPEG2 = 0x02,
GST_MPEG_TS_STREAM_TYPE_AUDIO_MPEG1 = 0x03,
GST_MPEG_TS_STREAM_TYPE_AUDIO_MPEG2 = 0x04,
GST_MPEG_TS_STREAM_TYPE_PRIVATE_SECTIONS = 0x05,
GST_MPEG_TS_STREAM_TYPE_PRIVATE_PES_PACKETS = 0x06,
GST_MPEG_TS_STREAM_TYPE_MHEG = 0x07,
GST_MPEG_TS_STREAM_TYPE_DSM_CC = 0x08,
GST_MPEG_TS_STREAM_TYPE_H_222_1 = 0x09,
GST_MPEG_TS_STREAM_TYPE_DSMCC_A = 0x0a,
GST_MPEG_TS_STREAM_TYPE_DSMCC_B = 0x0b,
GST_MPEG_TS_STREAM_TYPE_DSMCC_C = 0x0c,
GST_MPEG_TS_STREAM_TYPE_DSMCC_D = 0x0d,
GST_MPEG_TS_STREAM_TYPE_AUXILIARY = 0x0e,
GST_MPEG_TS_STREAM_TYPE_AUDIO_AAC_ADTS = 0x0f,
GST_MPEG_TS_STREAM_TYPE_VIDEO_MPEG4 = 0x10,
GST_MPEG_TS_STREAM_TYPE_AUDIO_AAC_LATM = 0x11,
GST_MPEG_TS_STREAM_TYPE_SL_FLEXMUX_PES_PACKETS = 0x12,
GST_MPEG_TS_STREAM_TYPE_SL_FLEXMUX_SECTIONS = 0x13,
GST_MPEG_TS_STREAM_TYPE_SYNCHRONIZED_DOWNLOAD = 0x14,
GST_MPEG_TS_STREAM_TYPE_METADATA_PES_PACKETS = 0x15,
GST_MPEG_TS_STREAM_TYPE_METADATA_SECTIONS = 0x16,
GST_MPEG_TS_STREAM_TYPE_METADATA_DATA_CAROUSEL = 0x17,
GST_MPEG_TS_STREAM_TYPE_METADATA_OBJECT_CAROUSEL = 0x18,
GST_MPEG_TS_STREAM_TYPE_METADATA_SYNCHRONIZED_DOWNLOAD = 0x19,
GST_MPEG_TS_STREAM_TYPE_MPEG2_IPMP = 0x1a,
GST_MPEG_TS_STREAM_TYPE_VIDEO_H264 = 0x1b,
GST_MPEG_TS_STREAM_TYPE_AUDIO_AAC_CLEAN = 0x1c,
GST_MPEG_TS_STREAM_TYPE_MPEG4_TIMED_TEXT = 0x1d,
GST_MPEG_TS_STREAM_TYPE_VIDEO_RVC = 0x1e,
GST_MPEG_TS_STREAM_TYPE_VIDEO_H264_SVC_SUB_BITSTREAM = 0x1f,
GST_MPEG_TS_STREAM_TYPE_VIDEO_H264_MVC_SUB_BITSTREAM = 0x20,
GST_MPEG_TS_STREAM_TYPE_VIDEO_JP2K = 0x21,
GST_MPEG_TS_STREAM_TYPE_VIDEO_MPEG2_STEREO_ADDITIONAL_VIEW = 0x22,
GST_MPEG_TS_STREAM_TYPE_VIDEO_H264_STEREO_ADDITIONAL_VIEW = 0x23,
GST_MPEG_TS_STREAM_TYPE_VIDEO_HEVC = 0x24,
/* 0x24 - 0x7e : Rec. ITU-T H.222.0 | ISO/IEC 13818-1 Reserved */
GST_MPEG_TS_STREAM_TYPE_IPMP_STREAM = 0x7f
/* 0x80 - 0xff : User Private (or defined in other specs) */
} GstMpegTsStreamType;
/**
* GstMpegTsPMTStream:
* @stream_type: the type of stream. See #GstMpegTsStreamType
* @pid: the PID of the stream
* @descriptors: (element-type GstMpegTsDescriptor): the descriptors of the
* stream
*
* An individual stream definition.
*/
struct _GstMpegTsPMTStream
{
guint8 stream_type;
guint16 pid;
GPtrArray *descriptors;
};
/**
* GstMpegTsPMT:
* @pcr_pid: PID of the stream containing PCR
* @descriptors: (element-type GstMpegTsDescriptor): array of #GstMpegTsDescriptor
* @streams: (element-type GstMpegTsPMTStream): Array of #GstMpegTsPMTStream
*
* Program Map Table (ISO/IEC 13818-1).
*
* The program_number is contained in the subtable_extension field of the
* container #GstMpegTsSection.
*/
struct _GstMpegTsPMT
{
guint16 pcr_pid;
guint16 program_number;
GPtrArray *descriptors;
GPtrArray *streams;
};
GType gst_mpegts_pmt_get_type (void);
GType gst_mpegts_pmt_stream_get_type (void);
GstMpegTsPMT *gst_mpegts_pmt_new (void);
GstMpegTsPMTStream *gst_mpegts_pmt_stream_new (void);
const GstMpegTsPMT *gst_mpegts_section_get_pmt (GstMpegTsSection *section);
GstMpegTsSection *gst_mpegts_section_from_pmt (GstMpegTsPMT *pmt, guint16 pid);
/* TSDT */
GPtrArray *gst_mpegts_section_get_tsdt (GstMpegTsSection *section);
/* generic */
#define gst_mpegts_section_ref(section) ((GstMpegTsSection*) gst_mini_object_ref (GST_MINI_OBJECT_CAST (section)))
#define gst_mpegts_section_unref(section) (gst_mini_object_unref (GST_MINI_OBJECT_CAST (section)))
GstMessage *gst_message_new_mpegts_section (GstObject *parent, GstMpegTsSection *section);
gboolean gst_mpegts_section_send_event (GstMpegTsSection * section, GstElement * element);
GstMpegTsSection *gst_event_parse_mpegts_section (GstEvent * event);
GstMpegTsSection *gst_message_parse_mpegts_section (GstMessage *message);
GstMpegTsSection *gst_mpegts_section_new (guint16 pid,
guint8 * data,
gsize data_size);
guint8 *gst_mpegts_section_packetize (GstMpegTsSection * section, gsize * output_size);
G_END_DECLS
#endif /* GST_MPEGTS_SECTION_H */
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