/* * gstmpegtsdescriptor.h - * Copyright (C) 2013 Edward Hervey * * Authors: * Edward Hervey * * 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 */ #ifndef GST_MPEGTS_DESCRIPTOR_H #define GST_MPEGTS_DESCRIPTOR_H #include "gst-metadata-descriptor.h" #include #include 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_DTG_LOGICAL_CHANNEL = 0x83, /* from DTG D-Book, only present in NIT */ } GstMpegtsMiscDescriptorType; /** * GstMpegtsSCTEDescriptorType: * * These values correspond to the ones defined by SCTE (amongst other in ANSI/SCTE 57) * * Since: 1.20 */ typedef enum { GST_MTS_DESC_SCTE_STUFFING = 0x80, GST_MTS_DESC_SCTE_AC3 = 0x81, GST_MTS_DESC_SCTE_FRAME_RATE = 0x82, GST_MTS_DESC_SCTE_EXTENDED_VIDEO = 0x83, GST_MTS_DESC_SCTE_COMPONENT_NAME = 0x84, GST_MTS_DESC_SCTE_FREQUENCY_SPEC = 0x90, GST_MTS_DESC_SCTE_MODULATION_PARAMS = 0x91, GST_MTS_DESC_SCTE_TRANSPORT_STREAM_ID = 0x92 } GstMpegtsSCTEDescriptorType; typedef struct _GstMpegtsDescriptor GstMpegtsDescriptor; #define GST_TYPE_MPEGTS_DESCRIPTOR (gst_mpegts_descriptor_get_type()) GST_MPEGTS_API 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 @length. * * 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]; }; GST_MPEGTS_API void gst_mpegts_descriptor_free (GstMpegtsDescriptor *desc); GST_MPEGTS_API GPtrArray *gst_mpegts_parse_descriptors (guint8 * buffer, gsize buf_len); GST_MPEGTS_API const GstMpegtsDescriptor * gst_mpegts_find_descriptor (GPtrArray *descriptors, guint8 tag); GST_MPEGTS_API const GstMpegtsDescriptor * gst_mpegts_find_descriptor_with_extension (GPtrArray *descriptors, guint8 tag, guint8 tag_extension); /** * GstMpegtsRegistrationId: * @GST_MTS_REGISTRATION_0: Undefined registration id * @GST_MTS_REGISTRATION_AC_3: Audio AC-3, ATSC A/52 * @GST_MTS_REGISTRATION_AC_4: Audio AC-4, ETSI 103 190-2 * @GST_MTS_REGISTRATION_CUEI: SCTE 35, "Digital Program Insertion Cueing Message" * @GST_MTS_REGISTRATION_drac: Dirac Video codec * @GST_MTS_REGISTRATION_DTS1: DTS Audio * @GST_MTS_REGISTRATION_DTS2: DTS Audio * @GST_MTS_REGISTRATION_DTS3: DTS Audio * @GST_MTS_REGISTRATION_EAC3: Enhanced AC-3 (i.e. EAC3) * @GST_MTS_REGISTRATION_ETV1: Cablelabs ETV * @GST_MTS_REGISTRATION_BSSD: SMPTE 302M, Mapping of AES3 Data in mpeg-ts * @GST_MTS_REGISTRATION_GA94: ATSC A/53 compliant stream (i.e. ATSC) * @GST_MTS_REGISTRATION_HDMV: Blu-ray, "System Description Blu-ray Disc * Read-Only Format part 3 Audio Visual Basic Specifications" * @GST_MTS_REGISTRATION_KLVA: SMPTE RP217 : Non-synchronized Mapping of KLV * Packets in mpeg-ts * @GST_MTS_REGISTRATION_OPUS: Opus Audio * @GST_MTS_REGISTRATION_TSHV: HDV (Sony) * @GST_MTS_REGISTRATION_VC_1: Video VC-1, SMPTE RP227 "VC-1 Bitstream Transport Encodings" * @GST_MTS_REGISTRATION_OTHER_HEVC: HEVC / h265 * * Well-known registration ids, expressed as native-endian 32bit integers. These * are used in descriptors of type %GST_MTS_DESC_REGISTRATION. Unless specified * otherwise (by use of the "OTHER" prefix), they are all registered by the * [SMPTE Registration Authority](https://smpte-ra.org/) or specified in * "official" documentation for the given format. * * Since: 1.20 */ /** * REG_TO_UINT32: (skip) (attributes doc.skip=true) */ #define REG_TO_UINT32(a,b,c,d)((a) << 24 | (b) << 16 | (c) << 8 | (d)) typedef enum { GST_MTS_REGISTRATION_0 = 0, /* SMPTE-RA registered */ GST_MTS_REGISTRATION_AC_3 = REG_TO_UINT32 ('A', 'C', '-', '3'), GST_MTS_REGISTRATION_CUEI = REG_TO_UINT32 ('C', 'U', 'E', 'I'), GST_MTS_REGISTRATION_drac = REG_TO_UINT32 ('d', 'r', 'a', 'c'), GST_MTS_REGISTRATION_DTS1 = REG_TO_UINT32 ('D', 'T', 'S', '1'), GST_MTS_REGISTRATION_DTS2 = REG_TO_UINT32 ('D', 'T', 'S', '2'), GST_MTS_REGISTRATION_DTS3 = REG_TO_UINT32 ('D', 'T', 'S', '3'), GST_MTS_REGISTRATION_BSSD = REG_TO_UINT32 ('B', 'S', 'S', 'D'), GST_MTS_REGISTRATION_EAC3 = REG_TO_UINT32 ('E', 'A', 'C', '3'), GST_MTS_REGISTRATION_ETV1 = REG_TO_UINT32 ('E', 'T', 'V', '1'), GST_MTS_REGISTRATION_GA94 = REG_TO_UINT32 ('G', 'A', '9', '4'), GST_MTS_REGISTRATION_HDMV = REG_TO_UINT32 ('H', 'D', 'M', 'V'), GST_MTS_REGISTRATION_KLVA = REG_TO_UINT32 ('K', 'L', 'V', 'A'), GST_MTS_REGISTRATION_OPUS = REG_TO_UINT32 ('O', 'P', 'U', 'S'), GST_MTS_REGISTRATION_TSHV = REG_TO_UINT32 ('T', 'S', 'H', 'V'), GST_MTS_REGISTRATION_VC_1 = REG_TO_UINT32 ('V', 'C', '-', '1'), /* Self-registered by formats, but not in SMPTE-RA registry */ GST_MTS_REGISTRATION_AC_4 = REG_TO_UINT32 ('A', 'C', '-', '4'), /* Found elsewhere */ GST_MTS_REGISTRATION_OTHER_HEVC = REG_TO_UINT32 ('H', 'E', 'V', 'C') } GstMpegtsRegistrationId; /* GST_MTS_DESC_REGISTRATION (0x05) */ GST_MPEGTS_API GstMpegtsDescriptor *gst_mpegts_descriptor_from_registration ( const gchar *format_identifier, guint8 *additional_info, gsize additional_info_length); GST_MPEGTS_API gboolean gst_mpegts_descriptor_parse_registration(GstMpegtsDescriptor *descriptor, guint32 *registration_id, guint8 **additional_info, gsize *additional_info_length); /* GST_MTS_DESC_CA (0x09) */ GST_MPEGTS_API gboolean gst_mpegts_descriptor_parse_ca (GstMpegtsDescriptor *descriptor, guint16 *ca_system_id, guint16 *ca_pid, const guint8 **private_data, gsize *private_data_size); /* 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 ()) GST_MPEGTS_API GType gst_mpegts_iso_639_language_get_type (void); GST_MPEGTS_API void gst_mpegts_iso_639_language_descriptor_free (GstMpegtsISO639LanguageDescriptor * desc); GST_MPEGTS_API gboolean gst_mpegts_descriptor_parse_iso_639_language (const GstMpegtsDescriptor *descriptor, GstMpegtsISO639LanguageDescriptor **res); GST_MPEGTS_API gboolean gst_mpegts_descriptor_parse_iso_639_language_idx (const GstMpegtsDescriptor *descriptor, guint idx, gchar **lang, GstMpegtsIso639AudioType *audio_type); GST_MPEGTS_API guint gst_mpegts_descriptor_parse_iso_639_language_nb (const GstMpegtsDescriptor *descriptor); GST_MPEGTS_API GstMpegtsDescriptor * gst_mpegts_descriptor_from_iso_639_language (const gchar * language); GST_MPEGTS_API gboolean gst_mpegts_descriptor_parse_metadata (const GstMpegtsDescriptor *descriptor, GstMpegtsMetadataDescriptor **res); GST_MPEGTS_API gboolean gst_mpegts_descriptor_parse_metadata_std (const GstMpegtsDescriptor *descriptor, guint32 *metadata_input_leak_rate, guint32 *metadata_buffer_size, guint32 *metadata_output_leak_rate); /* 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]; }; #define GST_TYPE_MPEGTS_LOGICAL_CHANNEL_DESCRIPTOR (gst_mpegts_logical_channel_descriptor_get_type()) GST_MPEGTS_API GType gst_mpegts_logical_channel_descriptor_get_type(void); #define GST_TYPE_MPEGTS_LOGICAL_CHANNEL (gst_mpegts_logical_channel_get_type()) GST_MPEGTS_API GType gst_mpegts_logical_channel_get_type(void); /* FIXME : Maybe make two methods. One for getting the number of channels, * and the other for getting the content for one channel ? */ GST_MPEGTS_API gboolean gst_mpegts_descriptor_parse_logical_channel (const GstMpegtsDescriptor *descriptor, GstMpegtsLogicalChannelDescriptor *res); GST_MPEGTS_API GstMpegtsDescriptor * gst_mpegts_descriptor_from_custom (guint8 tag, const guint8 *data, gsize length); GST_MPEGTS_API GstMpegtsDescriptor * gst_mpegts_descriptor_from_custom_with_extension (guint8 tag, guint8 tag_extension, const guint8 *data, gsize length); G_END_DECLS #endif /* GST_MPEGTS_DESCRIPTOR_H */