2 * gstmpegtsdescriptor.h -
3 * Copyright (C) 2013 Edward Hervey
6 * Edward Hervey <edward@collabora.com>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
23 * Some parts of this code come from the Fluendo MPEG Demuxer plugin.
25 * The Initial Developer of the Original Code is Fluendo, S.L.
26 * Portions created by Fluendo, S.L. are Copyright (C) 2005
27 * Fluendo, S.L. All Rights Reserved.
29 * Contributor(s): Wim Taymans <wim@fluendo.com>
32 #ifndef GST_MPEGTS_DESCRIPTOR_H
33 #define GST_MPEGTS_DESCRIPTOR_H
36 #include <gst/mpegts/mpegts-prelude.h>
41 * descriptor_tag TS PS Identification
44 * 2 X X video_stream_descriptor
45 * 3 X X audio_stream_descriptor
46 * 4 X X hierarchy_descriptor
47 * 5 X X registration_descriptor
48 * 6 X X data_stream_alignment_descriptor
49 * 7 X X target_background_grid_descriptor
50 * 8 X X video_window_descriptor
52 * 10 X X ISO_639_language_descriptor
53 * 11 X X system_clock_descriptor
54 * 12 X X multiplex_buffer_utilization_descriptor
55 * 13 X X copyright_descriptor
56 * 14 X maximum bitrate descriptor
57 * 15 X X private data indicator descriptor
58 * 16 X X smoothing buffer descriptor
60 * 18 X X IBP descriptor
61 * 19-63 n/a n/a ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved
62 * 64-255 n/a n/a User Private
66 * GstMpegtsDescriptorType:
68 * The type of #GstMpegtsDescriptor
70 * These values correspond to the registered descriptor type from
71 * the base MPEG-TS specifications (ITU H.222.0 | ISO/IEC 13818-1).
73 * Consult the relevant specifications for more details.
76 /* 0-18 ISO/IEC 13818-1 (H222.0 06/2012) */
77 GST_MTS_DESC_RESERVED_00 = 0x00,
78 GST_MTS_DESC_RESERVED_01 = 0x01,
79 GST_MTS_DESC_VIDEO_STREAM = 0x02,
80 GST_MTS_DESC_AUDIO_STREAM = 0x03,
81 GST_MTS_DESC_HIERARCHY = 0x04,
82 GST_MTS_DESC_REGISTRATION = 0x05,
83 GST_MTS_DESC_DATA_STREAM_ALIGNMENT = 0x06,
84 GST_MTS_DESC_TARGET_BACKGROUND_GRID = 0x07,
85 GST_MTS_DESC_VIDEO_WINDOW = 0x08,
86 GST_MTS_DESC_CA = 0x09,
87 GST_MTS_DESC_ISO_639_LANGUAGE = 0x0A,
88 GST_MTS_DESC_SYSTEM_CLOCK = 0x0B,
89 GST_MTS_DESC_MULTIPLEX_BUFFER_UTILISATION = 0x0C,
90 GST_MTS_DESC_COPYRIGHT = 0x0D,
91 GST_MTS_DESC_MAXIMUM_BITRATE = 0x0E,
92 GST_MTS_DESC_PRIVATE_DATA_INDICATOR = 0x0F,
93 GST_MTS_DESC_SMOOTHING_BUFFER = 0x10,
94 GST_MTS_DESC_STD = 0x11,
95 GST_MTS_DESC_IBP = 0x12,
97 /* 19-26 Defined in ISO/IEC 13818-6 (Extensions for DSM-CC) */
98 GST_MTS_DESC_DSMCC_CAROUSEL_IDENTIFIER = 0x13,
99 GST_MTS_DESC_DSMCC_ASSOCIATION_TAG = 0x14,
100 GST_MTS_DESC_DSMCC_DEFERRED_ASSOCIATION_TAG = 0x15,
101 /* 0x16 is reserved (so far) */
102 GST_MTS_DESC_DSMCC_NPT_REFERENCE = 0x17,
103 GST_MTS_DESC_DSMCC_NPT_ENDPOINT = 0x18,
104 GST_MTS_DESC_DSMCC_STREAM_MODE = 0x19,
105 GST_MTS_DESC_DSMCC_STREAM_EVENT = 0x1A,
107 /* 27-54 Later additions to ISO/IEC 13818-1 (H222.0 06/2012) */
108 GST_MTS_DESC_MPEG4_VIDEO = 0x1B,
109 GST_MTS_DESC_MPEG4_AUDIO = 0x1C,
110 GST_MTS_DESC_IOD = 0x1D,
111 GST_MTS_DESC_SL = 0x1E,
112 GST_MTS_DESC_FMC = 0x1F,
113 GST_MTS_DESC_EXTERNAL_ES_ID = 0x20,
114 GST_MTS_DESC_MUX_CODE = 0x21,
115 GST_MTS_DESC_FMX_BUFFER_SIZE = 0x22,
116 GST_MTS_DESC_MULTIPLEX_BUFFER = 0x23,
117 GST_MTS_DESC_CONTENT_LABELING = 0x24,
118 GST_MTS_DESC_METADATA_POINTER = 0x25,
119 GST_MTS_DESC_METADATA = 0x26,
120 GST_MTS_DESC_METADATA_STD = 0x27,
121 GST_MTS_DESC_AVC_VIDEO = 0x28,
122 /* defined in ISO/IEC 13818-11, MPEG-2 IPMP */
123 GST_MTS_DESC_IPMP = 0x29,
124 GST_MTS_DESC_AVC_TIMING_AND_HRD = 0x2A,
125 GST_MTS_DESC_MPEG2_AAC_AUDIO = 0x2B,
126 GST_MTS_DESC_FLEX_MUX_TIMING = 0x2C,
127 GST_MTS_DESC_MPEG4_TEXT = 0x2D,
128 GST_MTS_DESC_MPEG4_AUDIO_EXTENSION = 0x2E,
129 GST_MTS_DESC_AUXILIARY_VIDEO_STREAM = 0x2F,
130 GST_MTS_DESC_SVC_EXTENSION = 0x30,
131 GST_MTS_DESC_MVC_EXTENSION = 0x31,
132 GST_MTS_DESC_J2K_VIDEO = 0x32,
133 GST_MTS_DESC_MVC_OPERATION_POINT = 0x33,
134 GST_MTS_DESC_MPEG2_STEREOSCOPIC_VIDEO_FORMAT = 0x34,
135 GST_MTS_DESC_STEREOSCOPIC_PROGRAM_INFO = 0x35,
136 GST_MTS_DESC_STEREOSCOPIC_VIDEO_INFO = 0x36,
138 /* 55-63 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved */
139 } GstMpegtsDescriptorType;
142 * GstMpegtsMiscDescriptorType:
144 * The type of #GstMpegtsDescriptor
146 * These values correspond to miscellaneous descriptor types that are
147 * not yet identified from known specifications.
150 /* 0x80 - 0xFE are user defined */
151 GST_MTS_DESC_DTG_LOGICAL_CHANNEL = 0x83, /* from DTG D-Book, only present in NIT */
152 } GstMpegtsMiscDescriptorType;
155 * GstMpegtsSCTEDescriptorType:
157 * These values correspond to the ones defined by SCTE (amongst other in ANSI/SCTE 57)
162 GST_MTS_DESC_SCTE_STUFFING = 0x80,
163 GST_MTS_DESC_SCTE_AC3 = 0x81,
164 GST_MTS_DESC_SCTE_FRAME_RATE = 0x82,
165 GST_MTS_DESC_SCTE_EXTENDED_VIDEO = 0x83,
166 GST_MTS_DESC_SCTE_COMPONENT_NAME = 0x84,
167 GST_MTS_DESC_SCTE_FREQUENCY_SPEC = 0x90,
168 GST_MTS_DESC_SCTE_MODULATION_PARAMS = 0x91,
169 GST_MTS_DESC_SCTE_TRANSPORT_STREAM_ID = 0x92
170 } GstMpegtsSCTEDescriptorType;
174 typedef struct _GstMpegtsDescriptor GstMpegtsDescriptor;
176 #define GST_TYPE_MPEGTS_DESCRIPTOR (gst_mpegts_descriptor_get_type())
178 GType gst_mpegts_descriptor_get_type (void);
181 * GstMpegtsDescriptor:
182 * @tag: the type of descriptor
183 * @tag_extension: the extended type (if @descriptor_tag is 0x7f)
184 * @length: the length of the descriptor content (excluding tag/length field)
185 * @data: the full descriptor data (including tag, extension, length). The first
186 * two bytes are the @tag and @length.
188 * Mpeg-TS descriptor (ISO/IEC 13818-1).
190 struct _GstMpegtsDescriptor
193 guint8 tag_extension;
198 /* Padding for future extension */
199 gpointer _gst_reserved[GST_PADDING];
203 void gst_mpegts_descriptor_free (GstMpegtsDescriptor *desc);
206 GPtrArray *gst_mpegts_parse_descriptors (guint8 * buffer, gsize buf_len);
209 const GstMpegtsDescriptor * gst_mpegts_find_descriptor (GPtrArray *descriptors,
213 const GstMpegtsDescriptor * gst_mpegts_find_descriptor_with_extension (GPtrArray *descriptors,
214 guint8 tag, guint8 tag_extension);
216 * GstMpegtsRegistrationId:
217 * @GST_MTS_REGISTRATION_0: Undefined registration id
218 * @GST_MTS_REGISTRATION_AC_3: Audio AC-3, ATSC A/52
219 * @GST_MTS_REGISTRATION_AC_4: Audio AC-4, ETSI 103 190-2
220 * @GST_MTS_REGISTRATION_CUEI: SCTE 35, "Digital Program Insertion Cueing Message"
221 * @GST_MTS_REGISTRATION_drac: Dirac Video codec
222 * @GST_MTS_REGISTRATION_DTS1: DTS Audio
223 * @GST_MTS_REGISTRATION_DTS2: DTS Audio
224 * @GST_MTS_REGISTRATION_DTS3: DTS Audio
225 * @GST_MTS_REGISTRATION_EAC3: Enhanced AC-3 (i.e. EAC3)
226 * @GST_MTS_REGISTRATION_ETV1: Cablelabs ETV
227 * @GST_MTS_REGISTRATION_BSSD: SMPTE 302M, Mapping of AES3 Data in mpeg-ts
228 * @GST_MTS_REGISTRATION_GA94: ATSC A/53 compliant stream (i.e. ATSC)
229 * @GST_MTS_REGISTRATION_HDMV: Blu-ray, "System Description Blu-ray Disc
230 * Read-Only Format part 3 Audio Visual Basic Specifications"
231 * @GST_MTS_REGISTRATION_KLVA: SMPTE RP217 : Non-synchronized Mapping of KLV
233 * @GST_MTS_REGISTRATION_OPUS: Opus Audio
234 * @GST_MTS_REGISTRATION_TSHV: HDV (Sony)
235 * @GST_MTS_REGISTRATION_VC_1: Video VC-1, SMPTE RP227 "VC-1 Bitstream Transport Encodings"
236 * @GST_MTS_REGISTRATION_OTHER_HEVC: HEVC / h265
238 * Well-known registration ids, expressed as native-endian 32bit integers. These
239 * are used in descriptors of type %GST_MTS_DESC_REGISTRATION. Unless specified
240 * otherwise (by use of the "OTHER" prefix), they are all registered by the
241 * [SMPTE Registration Authority](https://smpte-ra.org/) or specified in
242 * "official" documentation for the given format.
248 * REG_TO_UINT32: (skip) (attributes doc.skip=true)
250 #define REG_TO_UINT32(a,b,c,d)((a) << 24 | (b) << 16 | (c) << 8 | (d))
253 GST_MTS_REGISTRATION_0 = 0,
255 /* SMPTE-RA registered */
256 GST_MTS_REGISTRATION_AC_3 = REG_TO_UINT32 ('A', 'C', '-', '3'),
257 GST_MTS_REGISTRATION_CUEI = REG_TO_UINT32 ('C', 'U', 'E', 'I'),
258 GST_MTS_REGISTRATION_drac = REG_TO_UINT32 ('d', 'r', 'a', 'c'),
259 GST_MTS_REGISTRATION_DTS1 = REG_TO_UINT32 ('D', 'T', 'S', '1'),
260 GST_MTS_REGISTRATION_DTS2 = REG_TO_UINT32 ('D', 'T', 'S', '2'),
261 GST_MTS_REGISTRATION_DTS3 = REG_TO_UINT32 ('D', 'T', 'S', '3'),
262 GST_MTS_REGISTRATION_BSSD = REG_TO_UINT32 ('B', 'S', 'S', 'D'),
263 GST_MTS_REGISTRATION_EAC3 = REG_TO_UINT32 ('E', 'A', 'C', '3'),
264 GST_MTS_REGISTRATION_ETV1 = REG_TO_UINT32 ('E', 'T', 'V', '1'),
265 GST_MTS_REGISTRATION_GA94 = REG_TO_UINT32 ('G', 'A', '9', '4'),
266 GST_MTS_REGISTRATION_HDMV = REG_TO_UINT32 ('H', 'D', 'M', 'V'),
267 GST_MTS_REGISTRATION_KLVA = REG_TO_UINT32 ('K', 'L', 'V', 'A'),
268 GST_MTS_REGISTRATION_OPUS = REG_TO_UINT32 ('O', 'P', 'U', 'S'),
269 GST_MTS_REGISTRATION_TSHV = REG_TO_UINT32 ('T', 'S', 'H', 'V'),
270 GST_MTS_REGISTRATION_VC_1 = REG_TO_UINT32 ('V', 'C', '-', '1'),
272 /* Self-registered by formats, but not in SMPTE-RA registry */
273 GST_MTS_REGISTRATION_AC_4 = REG_TO_UINT32 ('A', 'C', '-', '4'),
275 /* Found elsewhere */
276 GST_MTS_REGISTRATION_OTHER_HEVC = REG_TO_UINT32 ('H', 'E', 'V', 'C')
277 } GstMpegtsRegistrationId;
279 /* GST_MTS_DESC_REGISTRATION (0x05) */
282 GstMpegtsDescriptor *gst_mpegts_descriptor_from_registration (
283 const gchar *format_identifier,
284 guint8 *additional_info, gsize additional_info_length);
287 gboolean gst_mpegts_descriptor_parse_registration(GstMpegtsDescriptor *descriptor,
288 guint32 *registration_id,
289 guint8 **additional_info,
290 gsize *additional_info_length);
292 /* GST_MTS_DESC_CA (0x09) */
295 gboolean gst_mpegts_descriptor_parse_ca (GstMpegtsDescriptor *descriptor,
296 guint16 *ca_system_id,
298 const guint8 **private_data,
299 gsize *private_data_size);
301 /* GST_MTS_DESC_ISO_639_LANGUAGE (0x0A) */
303 * GstMpegtsISO639AudioType:
305 * Type of audio streams
307 * Defined in ITU H.222.0 Table 2-60
310 GST_MPEGTS_AUDIO_TYPE_UNDEFINED = 0,
311 GST_MPEGTS_AUDIO_TYPE_CLEAN_EFFECTS,
312 GST_MPEGTS_AUDIO_TYPE_HEARING_IMPAIRED,
313 GST_MPEGTS_AUDIO_TYPE_VISUAL_IMPAIRED_COMMENTARY
314 } GstMpegtsIso639AudioType;
316 typedef struct _GstMpegtsISO639LanguageDescriptor GstMpegtsISO639LanguageDescriptor;
317 struct _GstMpegtsISO639LanguageDescriptor
321 GstMpegtsIso639AudioType audio_type[64];
324 #define GST_TYPE_MPEGTS_ISO_639_LANGUAGE (gst_mpegts_iso_639_language_get_type ())
326 GType gst_mpegts_iso_639_language_get_type (void);
329 void gst_mpegts_iso_639_language_descriptor_free (GstMpegtsISO639LanguageDescriptor * desc);
332 gboolean gst_mpegts_descriptor_parse_iso_639_language (const GstMpegtsDescriptor *descriptor,
333 GstMpegtsISO639LanguageDescriptor **res);
336 gboolean gst_mpegts_descriptor_parse_iso_639_language_idx (const GstMpegtsDescriptor *descriptor,
337 guint idx, gchar **lang,
338 GstMpegtsIso639AudioType *audio_type);
341 guint gst_mpegts_descriptor_parse_iso_639_language_nb (const GstMpegtsDescriptor *descriptor);
344 GstMpegtsDescriptor * gst_mpegts_descriptor_from_iso_639_language (const gchar * language);
348 /* GST_MTS_DESC_DTG_LOGICAL_CHANNEL (0x83) */
349 typedef struct _GstMpegtsLogicalChannelDescriptor GstMpegtsLogicalChannelDescriptor;
350 typedef struct _GstMpegtsLogicalChannel GstMpegtsLogicalChannel;
352 struct _GstMpegtsLogicalChannel
355 gboolean visible_service;
356 guint16 logical_channel_number;
359 struct _GstMpegtsLogicalChannelDescriptor
362 GstMpegtsLogicalChannel channels[64];
365 #define GST_TYPE_MPEGTS_LOGICAL_CHANNEL_DESCRIPTOR (gst_mpegts_logical_channel_descriptor_get_type())
368 GType gst_mpegts_logical_channel_descriptor_get_type(void);
370 #define GST_TYPE_MPEGTS_LOGICAL_CHANNEL (gst_mpegts_logical_channel_get_type())
373 GType gst_mpegts_logical_channel_get_type(void);
375 /* FIXME : Maybe make two methods. One for getting the number of channels,
376 * and the other for getting the content for one channel ? */
379 gst_mpegts_descriptor_parse_logical_channel (const GstMpegtsDescriptor *descriptor,
380 GstMpegtsLogicalChannelDescriptor *res);
383 GstMpegtsDescriptor *
384 gst_mpegts_descriptor_from_custom (guint8 tag, const guint8 *data, gsize length);
388 GstMpegtsDescriptor *
389 gst_mpegts_descriptor_from_custom_with_extension (guint8 tag, guint8 tag_extension, const guint8 *data, gsize length);
393 #endif /* GST_MPEGTS_DESCRIPTOR_H */