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Sebastian Drögee6513c12013-07-14 12:12:42 +02001/*
2 * gstmpegtsdescriptor.h -
3 * Copyright (C) 2013 Edward Hervey
4 *
5 * Authors:
6 * Edward Hervey <edward@collabora.com>
7 *
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.
12 *
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.
17 *
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.
22 *
23 * Some parts of this code come from the Fluendo MPEG Demuxer plugin.
24 *
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.
28 *
29 * Contributor(s): Wim Taymans <wim@fluendo.com>
30 */
31
32#ifndef GST_MPEGTS_DESCRIPTOR_H
33#define GST_MPEGTS_DESCRIPTOR_H
34
35#include <gst/gst.h>
36
37/*
38 * descriptor_tag TS PS Identification
39 * 0 n/a n/a Reserved
40 * 1 n/a n/a Reserved
41 * 2 X X video_stream_descriptor
42 * 3 X X audio_stream_descriptor
43 * 4 X X hierarchy_descriptor
44 * 5 X X registration_descriptor
45 * 6 X X data_stream_alignment_descriptor
46 * 7 X X target_background_grid_descriptor
47 * 8 X X video_window_descriptor
48 * 9 X X CA_descriptor
49 * 10 X X ISO_639_language_descriptor
50 * 11 X X system_clock_descriptor
51 * 12 X X multiplex_buffer_utilization_descriptor
52 * 13 X X copyright_descriptor
53 * 14 X maximum bitrate descriptor
54 * 15 X X private data indicator descriptor
55 * 16 X X smoothing buffer descriptor
56 * 17 X STD_descriptor
57 * 18 X X IBP descriptor
58 * 19-63 n/a n/a ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved
59 * 64-255 n/a n/a User Private
60 */
61
62/**
63 * GstMpegTsDescriptorType:
64 *
65 * The type of #GstMpegTsDescriptor
66 *
67 * These values correspond to the registered descriptor type from
68 * the base MPEG-TS specifications (ITU H.222.0 | ISO/IEC 13818-1).
69 *
70 * Consult the relevant specifications for more details.
71 */
72typedef enum {
73 /* 0-18 ISO/IEC 13818-1 (H222.0 06/2012) */
74 GST_MTS_DESC_RESERVED_00 = 0x00,
75 GST_MTS_DESC_RESERVED_01 = 0x01,
76 GST_MTS_DESC_VIDEO_STREAM = 0x02,
77 GST_MTS_DESC_AUDIO_STREAM = 0x03,
78 GST_MTS_DESC_HIERARCHY = 0x04,
79 GST_MTS_DESC_REGISTRATION = 0x05,
80 GST_MTS_DESC_DATA_STREAM_ALIGNMENT = 0x06,
81 GST_MTS_DESC_TARGET_BACKGROUND_GRID = 0x07,
82 GST_MTS_DESC_VIDEO_WINDOW = 0x08,
83 GST_MTS_DESC_CA = 0x09,
84 GST_MTS_DESC_ISO_639_LANGUAGE = 0x0A,
85 GST_MTS_DESC_SYSTEM_CLOCK = 0x0B,
86 GST_MTS_DESC_MULTIPLEX_BUFFER_UTILISATION = 0x0C,
87 GST_MTS_DESC_COPYRIGHT = 0x0D,
88 GST_MTS_DESC_MAXIMUM_BITRATE = 0x0E,
89 GST_MTS_DESC_PRIVATE_DATA_INDICATOR = 0x0F,
90 GST_MTS_DESC_SMOOTHING_BUFFER = 0x10,
91 GST_MTS_DESC_STD = 0x11,
92 GST_MTS_DESC_IBP = 0x12,
93
94 /* 19-26 Defined in ISO/IEC 13818-6 (Extensions for DSM-CC) */
95 GST_MTS_DESC_DSMCC_CAROUSEL_IDENTIFIER = 0x13,
96 GST_MTS_DESC_DSMCC_ASSOCIATION_TAG = 0x14,
97 GST_MTS_DESC_DSMCC_DEFERRED_ASSOCIATION_TAG = 0x15,
98 /* 0x16 is reserved (so far) */
99 GST_MTS_DESC_DSMCC_NPT_REFERENCE = 0x17,
100 GST_MTS_DESC_DSMCC_NPT_ENDPOINT = 0x18,
101 GST_MTS_DESC_DSMCC_STREAM_MODE = 0x19,
102 GST_MTS_DESC_DSMCC_STREAM_EVENT = 0x1A,
103
104 /* 27-54 Later additions to ISO/IEC 13818-1 (H222.0 06/2012) */
105 GST_MTS_DESC_MPEG4_VIDEO = 0x1B,
106 GST_MTS_DESC_MPEG4_AUDIO = 0x1C,
107 GST_MTS_DESC_IOD = 0x1D,
108 GST_MTS_DESC_SL = 0x1E,
109 GST_MTS_DESC_FMC = 0x1F,
110 GST_MTS_DESC_EXTERNAL_ES_ID = 0x20,
111 GST_MTS_DESC_MUX_CODE = 0x21,
112 GST_MTS_DESC_FMX_BUFFER_SIZE = 0x22,
113 GST_MTS_DESC_MULTIPLEX_BUFFER = 0x23,
114 GST_MTS_DESC_CONTENT_LABELING = 0x24,
115 GST_MTS_DESC_METADATA_POINTER = 0x25,
116 GST_MTS_DESC_METADATA = 0x26,
117 GST_MTS_DESC_METADATA_STD = 0x27,
118 GST_MTS_DESC_AVC_VIDEO = 0x28,
119 /* defined in ISO/IEC 13818-11, MPEG-2 IPMP */
120 GST_MTS_DESC_IPMP = 0x29,
121 GST_MTS_DESC_AVC_TIMING_AND_HRD = 0x2A,
122 GST_MTS_DESC_MPEG2_AAC_AUDIO = 0x2B,
123 GST_MTS_DESC_FLEX_MUX_TIMING = 0x2C,
124 GST_MTS_DESC_MPEG4_TEXT = 0x2D,
125 GST_MTS_DESC_MPEG4_AUDIO_EXTENSION = 0x2E,
126 GST_MTS_DESC_AUXILIARY_VIDEO_STREAM = 0x2F,
127 GST_MTS_DESC_SVC_EXTENSION = 0x30,
128 GST_MTS_DESC_MVC_EXTENSION = 0x31,
129 GST_MTS_DESC_J2K_VIDEO = 0x32,
130 GST_MTS_DESC_MVC_OPERATION_POINT = 0x33,
131 GST_MTS_DESC_MPEG2_STEREOSCOPIC_VIDEO_FORMAT = 0x34,
132 GST_MTS_DESC_STEREOSCOPIC_PROGRAM_INFO = 0x35,
133 GST_MTS_DESC_STEREOSCOPIC_VIDEO_INFO = 0x36,
134
135 /* 55-63 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved */
136} GstMpegTsDescriptorType;
137
138/**
139 * GstMpegTsMiscDescriptorType:
140 *
141 * The type of #GstMpegTsDescriptor
142 *
143 * These values correspond to miscellaneous descriptor types that are
144 * not yet identified from known specifications.
145 */
146typedef enum {
147 /* 0x80 - 0xFE are user defined */
148 GST_MTS_DESC_AC3_AUDIO_STREAM = 0x81,
149 GST_MTS_DESC_DTG_LOGICAL_CHANNEL = 0x83, /* from DTG D-Book */
150} GstMpegTsMiscDescriptorType;
151
152/**
153 * GstMpegTsATSCDescriptorType:
154 *
155 * These values correspond to the registered descriptor type from
156 * the various ATSC specifications.
157 *
158 * Consult the relevant specifications for more details.
159 */
160typedef enum {
161 /* ATSC A/65 2009 */
162 GST_MTS_DESC_ATSC_STUFFING = 0x80,
163 GST_MTS_DESC_ATSC_AC3 = 0x83,
164 GST_MTS_DESC_ATSC_CAPTION_SERVICE = 0x86,
165 GST_MTS_DESC_ATSC_CONTENT_ADVISORY = 0x87,
166 GST_MTS_DESC_ATSC_EXTENDED_CHANNEL_NAME = 0xA0,
167 GST_MTS_DESC_ATSC_SERVICE_LOCATION = 0xA1,
168 GST_MTS_DESC_ATSC_TIME_SHIFTED_SERVICE = 0xA2,
169 GST_MTS_DESC_ATSC_COMPONENT_NAME = 0xA3,
170 GST_MTS_DESC_ATSC_DCC_DEPARTING_REQUEST = 0xA8,
171 GST_MTS_DESC_ATSC_DCC_ARRIVING_REQUEST = 0xA9,
172 GST_MTS_DESC_ATSC_REDISTRIBUTION_CONTROL = 0xAA,
173 GST_MTS_DESC_ATSC_GENRE = 0xAB,
174 GST_MTS_DESC_ATSC_PRIVATE_INFORMATION = 0xAD,
175
176 /* ATSC A/53:3 2009 */
177 GST_MTS_DESC_ATSC_ENHANCED_SIGNALING = 0xB2,
178
179 /* ATSC A/90 */
180 GST_MTS_DESC_ATSC_DATA_SERVICE = 0xA4,
181 GST_MTS_DESC_ATSC_PID_COUNT = 0xA5,
182 GST_MTS_DESC_ATSC_DOWNLOAD_DESCRIPTOR = 0xA6,
183 GST_MTS_DESC_ATSC_MULTIPROTOCOL_ENCAPSULATION = 0xA7,
184 GST_MTS_DESC_ATSC_MODULE_LINK = 0xB4,
185 GST_MTS_DESC_ATSC_CRC32 = 0xB5,
186 GST_MTS_DESC_ATSC_GROUP_LINK = 0xB8,
187} GstMpegTsATSCDescriptorType;
188
189/**
190 * GstMpegTsISDBDescriptorType:
191 *
192 * These values correspond to the registered descriptor type from
193 * the various ISDB specifications.
194 *
195 * Consult the relevant specifications for more details.
196 */
197typedef enum {
198 /* ISDB ARIB B10 v4.6 */
199 GST_MTS_DESC_ISDB_HIERARCHICAL_TRANSMISSION = 0xC0,
200 GST_MTS_DESC_ISDB_DIGITAL_COPY_CONTROL = 0xC1,
201 GST_MTS_DESC_ISDB_NETWORK_IDENTIFICATION = 0xC2,
202 GST_MTS_DESC_ISDB_PARTIAL_TS_TIME = 0xc3,
203 GST_MTS_DESC_ISDB_AUDIO_COMPONENT = 0xc4,
204 GST_MTS_DESC_ISDB_HYPERLINK = 0xc5,
205 GST_MTS_DESC_ISDB_TARGET_REGION = 0xc6,
206 GST_MTS_DESC_ISDB_DATA_CONTENT = 0xc7,
207 GST_MTS_DESC_ISDB_VIDEO_DECODE_CONTROL = 0xc8,
208 GST_MTS_DESC_ISDB_DOWNLOAD_CONTENT = 0xc9,
209 GST_MTS_DESC_ISDB_CA_EMM_TS = 0xca,
210 GST_MTS_DESC_ISDB_CA_CONTRACT_INFORMATION = 0xcb,
211 GST_MTS_DESC_ISDB_CA_SERVICE = 0xcc,
212 GST_MTS_DESC_ISDB_TS_INFORMATION = 0xcd,
213 GST_MTS_DESC_ISDB_EXTENDED_BROADCASTER = 0xce,
214 GST_MTS_DESC_ISDB_LOGO_TRANSMISSION = 0xcf,
215 GST_MTS_DESC_ISDB_BASIC_LOCAL_EVENT = 0xd0,
216 GST_MTS_DESC_ISDB_REFERENCE = 0xd1,
217 GST_MTS_DESC_ISDB_NODE_RELATION = 0xd2,
218 GST_MTS_DESC_ISDB_SHORT_NODE_INFORMATION = 0xd3,
219 GST_MTS_DESC_ISDB_STC_REFERENCE = 0xd4,
220 GST_MTS_DESC_ISDB_SERIES = 0xd5,
221 GST_MTS_DESC_ISDB_EVENT_GROUP = 0xd6,
222 GST_MTS_DESC_ISDB_SI_PARAMETER = 0xd7,
223 GST_MTS_DESC_ISDB_BROADCASTER_NAME = 0xd8,
224 GST_MTS_DESC_ISDB_COMPONENT_GROUP = 0xd9,
225 GST_MTS_DESC_ISDB_SI_PRIME_TS = 0xda,
226 GST_MTS_DESC_ISDB_BOARD_INFORMATION = 0xdb,
227 GST_MTS_DESC_ISDB_LDT_LINKAGE = 0xdc,
228 GST_MTS_DESC_ISDB_CONNECTED_TRANSMISSION = 0xdd,
229 GST_MTS_DESC_ISDB_CONTENT_AVAILABILITY = 0xde,
230 /* ... */
231 GST_MTS_DESC_ISDB_SERVICE_GROUP = 0xe0
232
233} GstMpegTsISDBDescriptorType;
234
235typedef struct _GstMpegTsDescriptor GstMpegTsDescriptor;
236
237#define GST_TYPE_MPEGTS_DESCRIPTOR (gst_mpegts_descriptor_get_type())
238GType gst_mpegts_descriptor_get_type (void);
239
240/**
241 * GstMpegTsDescriptor:
Sebastian Drögedd8e1152013-08-30 12:58:53 +0200242 * @tag: the type of descriptor
243 * @tag_extension: the extended type (if @descriptor_tag is 0x7f)
244 * @length: the length of the descriptor content (excluding tag/length field)
245 * @data: the full descriptor data (including tag, extension, length). The first
246 * two bytes are the @tag and @tag_extension.
Sebastian Drögee6513c12013-07-14 12:12:42 +0200247 *
248 * Mpeg-TS descriptor (ISO/IEC 13818-1).
249 */
250struct _GstMpegTsDescriptor
251{
Sebastian Drögedd8e1152013-08-30 12:58:53 +0200252 guint8 tag;
253 guint8 tag_extension;
254 guint8 length;
255 const guint8 *data;
Sebastian Drögee6513c12013-07-14 12:12:42 +0200256};
257
Sebastian Drögedd8e1152013-08-30 12:58:53 +0200258GPtrArray *gst_mpegts_parse_descriptors (guint8 * buffer, gsize buf_len);
Sebastian Drögee6513c12013-07-14 12:12:42 +0200259
Sebastian Drögedd8e1152013-08-30 12:58:53 +0200260const GstMpegTsDescriptor * gst_mpegts_find_descriptor (GPtrArray *descriptors,
Sebastian Drögee6513c12013-07-14 12:12:42 +0200261 guint8 tag);
262
263/* GST_MTS_DESC_ISO_639_LANGUAGE (0x0A) */
264/**
265 * GstMpegTsISO639AudioType:
266 *
267 * Type of audio streams
268 *
269 * Defined in ITU H.222.0 Table 2-60
270 */
271typedef enum {
272 GST_MPEGTS_AUDIO_TYPE_UNDEFINED = 0,
273 GST_MPEGTS_AUDIO_TYPE_CLEAN_EFFECTS,
274 GST_MPEGTS_AUDIO_TYPE_HEARING_IMPAIRED,
275 GST_MPEGTS_AUDIO_TYPE_VISUAL_IMPAIRED_COMMENTARY
276} GstMpegTsIso639AudioType;
277
278/* FIXME: Make two methods. One for getting the number of languages,
279 * and the other for getting the (allocated, null-terminated) language
280 * and audio type */
281typedef struct _GstMpegTsISO639LanguageDescriptor GstMpegTsISO639LanguageDescriptor;
282struct _GstMpegTsISO639LanguageDescriptor
283{
284 guint nb_language;
285 gchar language[64][3];
286 GstMpegTsIso639AudioType audio_type[64];
287};
288
289gboolean gst_mpegts_descriptor_parse_iso_639_language (const GstMpegTsDescriptor *descriptor,
290 GstMpegTsISO639LanguageDescriptor *res);
291
292
293
294/* GST_MTS_DESC_DTG_LOGICAL_CHANNEL (0x83) */
295typedef struct _GstMpegTsLogicalChannelDescriptor GstMpegTsLogicalChannelDescriptor;
296typedef struct _GstMpegTsLogicalChannel GstMpegTsLogicalChannel;
297
298struct _GstMpegTsLogicalChannel
299{
300 guint16 service_id;
301 gboolean visible_service;
302 guint16 logical_channel_number;
303};
304
305struct _GstMpegTsLogicalChannelDescriptor
306{
307 guint nb_channels;
308 GstMpegTsLogicalChannel channels[64];
309};
310
311/* FIXME : Maybe make two methods. One for getting the number of channels,
312 * and the other for getting the content for one channel ? */
313gboolean
314gst_mpegts_descriptor_parse_logical_channel (const GstMpegTsDescriptor *descriptor,
315 GstMpegTsLogicalChannelDescriptor *res);
316
317#endif /* GST_MPEGTS_DESCRIPTOR_H */