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/*
* gstmpegtsdescriptor.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.
*
* Some parts of this code come from the Fluendo MPEG Demuxer plugin.
*
* The Initial Developer of the Original Code is Fluendo, S.L.
* Portions created by Fluendo, S.L. are Copyright (C) 2005
* Fluendo, S.L. All Rights Reserved.
*
* Contributor(s): Wim Taymans <wim@fluendo.com>
*/
#ifndef GST_MPEGTS_DESCRIPTOR_H
#define GST_MPEGTS_DESCRIPTOR_H
#include <gst/gst.h>
G_BEGIN_DECLS
/*
* descriptor_tag TS PS Identification
* 0 n/a n/a Reserved
* 1 n/a n/a Reserved
* 2 X X video_stream_descriptor
* 3 X X audio_stream_descriptor
* 4 X X hierarchy_descriptor
* 5 X X registration_descriptor
* 6 X X data_stream_alignment_descriptor
* 7 X X target_background_grid_descriptor
* 8 X X video_window_descriptor
* 9 X X CA_descriptor
* 10 X X ISO_639_language_descriptor
* 11 X X system_clock_descriptor
* 12 X X multiplex_buffer_utilization_descriptor
* 13 X X copyright_descriptor
* 14 X maximum bitrate descriptor
* 15 X X private data indicator descriptor
* 16 X X smoothing buffer descriptor
* 17 X STD_descriptor
* 18 X X IBP descriptor
* 19-63 n/a n/a ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved
* 64-255 n/a n/a User Private
*/
/**
* GstMpegtsDescriptorType:
*
* The type of #GstMpegtsDescriptor
*
* These values correspond to the registered descriptor type from
* the base MPEG-TS specifications (ITU H.222.0 | ISO/IEC 13818-1).
*
* Consult the relevant specifications for more details.
*/
typedef enum {
/* 0-18 ISO/IEC 13818-1 (H222.0 06/2012) */
GST_MTS_DESC_RESERVED_00 = 0x00,
GST_MTS_DESC_RESERVED_01 = 0x01,
GST_MTS_DESC_VIDEO_STREAM = 0x02,
GST_MTS_DESC_AUDIO_STREAM = 0x03,
GST_MTS_DESC_HIERARCHY = 0x04,
GST_MTS_DESC_REGISTRATION = 0x05,
GST_MTS_DESC_DATA_STREAM_ALIGNMENT = 0x06,
GST_MTS_DESC_TARGET_BACKGROUND_GRID = 0x07,
GST_MTS_DESC_VIDEO_WINDOW = 0x08,
GST_MTS_DESC_CA = 0x09,
GST_MTS_DESC_ISO_639_LANGUAGE = 0x0A,
GST_MTS_DESC_SYSTEM_CLOCK = 0x0B,
GST_MTS_DESC_MULTIPLEX_BUFFER_UTILISATION = 0x0C,
GST_MTS_DESC_COPYRIGHT = 0x0D,
GST_MTS_DESC_MAXIMUM_BITRATE = 0x0E,
GST_MTS_DESC_PRIVATE_DATA_INDICATOR = 0x0F,
GST_MTS_DESC_SMOOTHING_BUFFER = 0x10,
GST_MTS_DESC_STD = 0x11,
GST_MTS_DESC_IBP = 0x12,
/* 19-26 Defined in ISO/IEC 13818-6 (Extensions for DSM-CC) */
GST_MTS_DESC_DSMCC_CAROUSEL_IDENTIFIER = 0x13,
GST_MTS_DESC_DSMCC_ASSOCIATION_TAG = 0x14,
GST_MTS_DESC_DSMCC_DEFERRED_ASSOCIATION_TAG = 0x15,
/* 0x16 is reserved (so far) */
GST_MTS_DESC_DSMCC_NPT_REFERENCE = 0x17,
GST_MTS_DESC_DSMCC_NPT_ENDPOINT = 0x18,
GST_MTS_DESC_DSMCC_STREAM_MODE = 0x19,
GST_MTS_DESC_DSMCC_STREAM_EVENT = 0x1A,
/* 27-54 Later additions to ISO/IEC 13818-1 (H222.0 06/2012) */
GST_MTS_DESC_MPEG4_VIDEO = 0x1B,
GST_MTS_DESC_MPEG4_AUDIO = 0x1C,
GST_MTS_DESC_IOD = 0x1D,
GST_MTS_DESC_SL = 0x1E,
GST_MTS_DESC_FMC = 0x1F,
GST_MTS_DESC_EXTERNAL_ES_ID = 0x20,
GST_MTS_DESC_MUX_CODE = 0x21,
GST_MTS_DESC_FMX_BUFFER_SIZE = 0x22,
GST_MTS_DESC_MULTIPLEX_BUFFER = 0x23,
GST_MTS_DESC_CONTENT_LABELING = 0x24,
GST_MTS_DESC_METADATA_POINTER = 0x25,
GST_MTS_DESC_METADATA = 0x26,
GST_MTS_DESC_METADATA_STD = 0x27,
GST_MTS_DESC_AVC_VIDEO = 0x28,
/* defined in ISO/IEC 13818-11, MPEG-2 IPMP */
GST_MTS_DESC_IPMP = 0x29,
GST_MTS_DESC_AVC_TIMING_AND_HRD = 0x2A,
GST_MTS_DESC_MPEG2_AAC_AUDIO = 0x2B,
GST_MTS_DESC_FLEX_MUX_TIMING = 0x2C,
GST_MTS_DESC_MPEG4_TEXT = 0x2D,
GST_MTS_DESC_MPEG4_AUDIO_EXTENSION = 0x2E,
GST_MTS_DESC_AUXILIARY_VIDEO_STREAM = 0x2F,
GST_MTS_DESC_SVC_EXTENSION = 0x30,
GST_MTS_DESC_MVC_EXTENSION = 0x31,
GST_MTS_DESC_J2K_VIDEO = 0x32,
GST_MTS_DESC_MVC_OPERATION_POINT = 0x33,
GST_MTS_DESC_MPEG2_STEREOSCOPIC_VIDEO_FORMAT = 0x34,
GST_MTS_DESC_STEREOSCOPIC_PROGRAM_INFO = 0x35,
GST_MTS_DESC_STEREOSCOPIC_VIDEO_INFO = 0x36,
/* 55-63 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved */
} GstMpegtsDescriptorType;
/**
* GstMpegtsMiscDescriptorType:
*
* The type of #GstMpegtsDescriptor
*
* These values correspond to miscellaneous descriptor types that are
* not yet identified from known specifications.
*/
typedef enum {
/* 0x80 - 0xFE are user defined */
GST_MTS_DESC_AC3_AUDIO_STREAM = 0x81,
GST_MTS_DESC_DTG_LOGICAL_CHANNEL = 0x83, /* from DTG D-Book */
} GstMpegtsMiscDescriptorType;
/**
* GstMpegtsATSCDescriptorType:
*
* These values correspond to the registered descriptor type from
* the various ATSC specifications.
*
* Consult the relevant specifications for more details.
*/
typedef enum {
/* ATSC A/65 2009 */
GST_MTS_DESC_ATSC_STUFFING = 0x80,
GST_MTS_DESC_ATSC_AC3 = 0x83,
GST_MTS_DESC_ATSC_CAPTION_SERVICE = 0x86,
GST_MTS_DESC_ATSC_CONTENT_ADVISORY = 0x87,
GST_MTS_DESC_ATSC_EXTENDED_CHANNEL_NAME = 0xA0,
GST_MTS_DESC_ATSC_SERVICE_LOCATION = 0xA1,
GST_MTS_DESC_ATSC_TIME_SHIFTED_SERVICE = 0xA2,
GST_MTS_DESC_ATSC_COMPONENT_NAME = 0xA3,
GST_MTS_DESC_ATSC_DCC_DEPARTING_REQUEST = 0xA8,
GST_MTS_DESC_ATSC_DCC_ARRIVING_REQUEST = 0xA9,
GST_MTS_DESC_ATSC_REDISTRIBUTION_CONTROL = 0xAA,
GST_MTS_DESC_ATSC_GENRE = 0xAB,
GST_MTS_DESC_ATSC_PRIVATE_INFORMATION = 0xAD,
/* ATSC A/53:3 2009 */
GST_MTS_DESC_ATSC_ENHANCED_SIGNALING = 0xB2,
/* ATSC A/90 */
GST_MTS_DESC_ATSC_DATA_SERVICE = 0xA4,
GST_MTS_DESC_ATSC_PID_COUNT = 0xA5,
GST_MTS_DESC_ATSC_DOWNLOAD_DESCRIPTOR = 0xA6,
GST_MTS_DESC_ATSC_MULTIPROTOCOL_ENCAPSULATION = 0xA7,
GST_MTS_DESC_ATSC_MODULE_LINK = 0xB4,
GST_MTS_DESC_ATSC_CRC32 = 0xB5,
GST_MTS_DESC_ATSC_GROUP_LINK = 0xB8,
} GstMpegtsATSCDescriptorType;
/**
* GstMpegtsISDBDescriptorType:
*
* These values correspond to the registered descriptor type from
* the various ISDB specifications.
*
* Consult the relevant specifications for more details.
*/
typedef enum {
/* ISDB ARIB B10 v4.6 */
GST_MTS_DESC_ISDB_HIERARCHICAL_TRANSMISSION = 0xC0,
GST_MTS_DESC_ISDB_DIGITAL_COPY_CONTROL = 0xC1,
GST_MTS_DESC_ISDB_NETWORK_IDENTIFICATION = 0xC2,
GST_MTS_DESC_ISDB_PARTIAL_TS_TIME = 0xc3,
GST_MTS_DESC_ISDB_AUDIO_COMPONENT = 0xc4,
GST_MTS_DESC_ISDB_HYPERLINK = 0xc5,
GST_MTS_DESC_ISDB_TARGET_REGION = 0xc6,
GST_MTS_DESC_ISDB_DATA_CONTENT = 0xc7,
GST_MTS_DESC_ISDB_VIDEO_DECODE_CONTROL = 0xc8,
GST_MTS_DESC_ISDB_DOWNLOAD_CONTENT = 0xc9,
GST_MTS_DESC_ISDB_CA_EMM_TS = 0xca,
GST_MTS_DESC_ISDB_CA_CONTRACT_INFORMATION = 0xcb,
GST_MTS_DESC_ISDB_CA_SERVICE = 0xcc,
GST_MTS_DESC_ISDB_TS_INFORMATION = 0xcd,
GST_MTS_DESC_ISDB_EXTENDED_BROADCASTER = 0xce,
GST_MTS_DESC_ISDB_LOGO_TRANSMISSION = 0xcf,
GST_MTS_DESC_ISDB_BASIC_LOCAL_EVENT = 0xd0,
GST_MTS_DESC_ISDB_REFERENCE = 0xd1,
GST_MTS_DESC_ISDB_NODE_RELATION = 0xd2,
GST_MTS_DESC_ISDB_SHORT_NODE_INFORMATION = 0xd3,
GST_MTS_DESC_ISDB_STC_REFERENCE = 0xd4,
GST_MTS_DESC_ISDB_SERIES = 0xd5,
GST_MTS_DESC_ISDB_EVENT_GROUP = 0xd6,
GST_MTS_DESC_ISDB_SI_PARAMETER = 0xd7,
GST_MTS_DESC_ISDB_BROADCASTER_NAME = 0xd8,
GST_MTS_DESC_ISDB_COMPONENT_GROUP = 0xd9,
GST_MTS_DESC_ISDB_SI_PRIME_TS = 0xda,
GST_MTS_DESC_ISDB_BOARD_INFORMATION = 0xdb,
GST_MTS_DESC_ISDB_LDT_LINKAGE = 0xdc,
GST_MTS_DESC_ISDB_CONNECTED_TRANSMISSION = 0xdd,
GST_MTS_DESC_ISDB_CONTENT_AVAILABILITY = 0xde,
/* ... */
GST_MTS_DESC_ISDB_SERVICE_GROUP = 0xe0
} GstMpegtsISDBDescriptorType;
typedef struct _GstMpegtsDescriptor GstMpegtsDescriptor;
#define GST_TYPE_MPEGTS_DESCRIPTOR (gst_mpegts_descriptor_get_type())
GType gst_mpegts_descriptor_get_type (void);
/**
* GstMpegtsDescriptor:
* @tag: the type of descriptor
* @tag_extension: the extended type (if @descriptor_tag is 0x7f)
* @length: the length of the descriptor content (excluding tag/length field)
* @data: the full descriptor data (including tag, extension, length). The first
* two bytes are the @tag and @tag_extension.
*
* Mpeg-TS descriptor (ISO/IEC 13818-1).
*/
struct _GstMpegtsDescriptor
{
guint8 tag;
guint8 tag_extension;
guint8 length;
guint8 *data;
/*< private >*/
/* Padding for future extension */
gpointer _gst_reserved[GST_PADDING];
};
void gst_mpegts_descriptor_free (GstMpegtsDescriptor *desc);
GPtrArray *gst_mpegts_parse_descriptors (guint8 * buffer, gsize buf_len);
const GstMpegtsDescriptor * gst_mpegts_find_descriptor (GPtrArray *descriptors,
guint8 tag);
/* GST_MTS_DESC_REGISTRATION (0x05) */
GstMpegtsDescriptor *gst_mpegts_descriptor_from_registration (
const gchar *format_identifier,
guint8 *additional_info, gsize additional_info_length);
/* GST_MTS_DESC_ISO_639_LANGUAGE (0x0A) */
/**
* GstMpegtsISO639AudioType:
*
* Type of audio streams
*
* Defined in ITU H.222.0 Table 2-60
*/
typedef enum {
GST_MPEGTS_AUDIO_TYPE_UNDEFINED = 0,
GST_MPEGTS_AUDIO_TYPE_CLEAN_EFFECTS,
GST_MPEGTS_AUDIO_TYPE_HEARING_IMPAIRED,
GST_MPEGTS_AUDIO_TYPE_VISUAL_IMPAIRED_COMMENTARY
} GstMpegtsIso639AudioType;
typedef struct _GstMpegtsISO639LanguageDescriptor GstMpegtsISO639LanguageDescriptor;
struct _GstMpegtsISO639LanguageDescriptor
{
guint nb_language;
gchar *language[64];
GstMpegtsIso639AudioType audio_type[64];
};
#define GST_TYPE_MPEGTS_ISO_639_LANGUAGE (gst_mpegts_iso_639_language_get_type ())
GType gst_mpegts_iso_639_language_get_type (void);
void gst_mpegts_iso_639_language_descriptor_free (GstMpegtsISO639LanguageDescriptor * desc);
gboolean gst_mpegts_descriptor_parse_iso_639_language (const GstMpegtsDescriptor *descriptor,
GstMpegtsISO639LanguageDescriptor **res);
gboolean gst_mpegts_descriptor_parse_iso_639_language_idx (const GstMpegtsDescriptor *descriptor,
guint idx, gchar **lang,
GstMpegtsIso639AudioType *audio_type);
guint gst_mpegts_descriptor_parse_iso_639_language_nb (const GstMpegtsDescriptor *descriptor);
/* GST_MTS_DESC_DTG_LOGICAL_CHANNEL (0x83) */
typedef struct _GstMpegtsLogicalChannelDescriptor GstMpegtsLogicalChannelDescriptor;
typedef struct _GstMpegtsLogicalChannel GstMpegtsLogicalChannel;
struct _GstMpegtsLogicalChannel
{
guint16 service_id;
gboolean visible_service;
guint16 logical_channel_number;
};
struct _GstMpegtsLogicalChannelDescriptor
{
guint nb_channels;
GstMpegtsLogicalChannel channels[64];
};
/* FIXME : Maybe make two methods. One for getting the number of channels,
* and the other for getting the content for one channel ? */
gboolean
gst_mpegts_descriptor_parse_logical_channel (const GstMpegtsDescriptor *descriptor,
GstMpegtsLogicalChannelDescriptor *res);
GstMpegtsDescriptor *
gst_mpegts_descriptor_from_custom (guint8 tag, const guint8 *data, gsize length);
G_END_DECLS
#endif /* GST_MPEGTS_DESCRIPTOR_H */
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