| /* |
| * 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> |
| |
| /* |
| * 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; |
| const guint8 *data; |
| }; |
| |
| GPtrArray *gst_mpegts_parse_descriptors (guint8 * buffer, gsize buf_len); |
| |
| const GstMpegTsDescriptor * gst_mpegts_find_descriptor (GPtrArray *descriptors, |
| guint8 tag); |
| |
| /* 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; |
| |
| /* FIXME: Make two methods. One for getting the number of languages, |
| * and the other for getting the (allocated, null-terminated) language |
| * and audio type */ |
| typedef struct _GstMpegTsISO639LanguageDescriptor GstMpegTsISO639LanguageDescriptor; |
| struct _GstMpegTsISO639LanguageDescriptor |
| { |
| guint nb_language; |
| gchar language[64][3]; |
| GstMpegTsIso639AudioType audio_type[64]; |
| }; |
| |
| gboolean gst_mpegts_descriptor_parse_iso_639_language (const GstMpegTsDescriptor *descriptor, |
| GstMpegTsISO639LanguageDescriptor *res); |
| |
| |
| |
| /* 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); |
| |
| #endif /* GST_MPEGTS_DESCRIPTOR_H */ |
