1 | // -*- Mode: c++ -*- |
---|
2 | // Copyright (c) 2003-2004, Daniel Thor Kristjansson |
---|
3 | #ifndef DVBSTREAMDATA_H_ |
---|
4 | #define DVBSTREAMDATA_H_ |
---|
5 | |
---|
6 | #include "mpegstreamdata.h" |
---|
7 | #include "mythtvexp.h" |
---|
8 | |
---|
9 | typedef NetworkInformationTable* nit_ptr_t; |
---|
10 | typedef NetworkInformationTable const* nit_const_ptr_t; |
---|
11 | typedef vector<const NetworkInformationTable*> nit_vec_t; |
---|
12 | typedef QMap<uint, nit_ptr_t> nit_cache_t; // section->sdts |
---|
13 | |
---|
14 | typedef ServiceDescriptionTable* sdt_ptr_t; |
---|
15 | typedef ServiceDescriptionTable const* sdt_const_ptr_t; |
---|
16 | typedef vector<const ServiceDescriptionTable*> sdt_vec_t; |
---|
17 | typedef QMap<uint, sdt_ptr_t> sdt_cache_t; // tsid+section->sdts |
---|
18 | typedef QMap<uint, sdt_vec_t> sdt_map_t; // tsid->sdts |
---|
19 | |
---|
20 | typedef vector<DVBMainStreamListener*> dvb_main_listener_vec_t; |
---|
21 | typedef vector<DVBOtherStreamListener*> dvb_other_listener_vec_t; |
---|
22 | typedef vector<DVBEITStreamListener*> dvb_eit_listener_vec_t; |
---|
23 | |
---|
24 | typedef QMap<uint, bool> dvb_has_eit_t; |
---|
25 | |
---|
26 | class MTV_PUBLIC DVBStreamData : virtual public MPEGStreamData |
---|
27 | { |
---|
28 | public: |
---|
29 | DVBStreamData(uint desired_netid, uint desired_tsid, |
---|
30 | int desired_program, int cardnum, bool cacheTables = false); |
---|
31 | virtual ~DVBStreamData(); |
---|
32 | |
---|
33 | using MPEGStreamData::Reset; |
---|
34 | void Reset(void) { Reset(0, 0, -1); } |
---|
35 | void Reset(uint desired_netid, uint desired_tsid, int desired_sid); |
---|
36 | |
---|
37 | // DVB table monitoring |
---|
38 | void SetDesiredService(uint netid, uint tsid, int serviceid); |
---|
39 | uint DesiredNetworkID(void) const { return _desired_netid; } |
---|
40 | uint DesiredTransportID(void) const { return _desired_tsid; } |
---|
41 | |
---|
42 | // Table processing |
---|
43 | bool HandleTables(uint pid, const PSIPTable&); |
---|
44 | bool IsRedundant(uint pid, const PSIPTable&) const; |
---|
45 | void ProcessSDT(uint tsid, const ServiceDescriptionTable*); |
---|
46 | |
---|
47 | // NIT for broken providers |
---|
48 | inline void SetRealNetworkID(int); |
---|
49 | |
---|
50 | // EIT info/processing |
---|
51 | inline void SetDishNetEIT(bool); |
---|
52 | inline bool HasAnyEIT(void) const; |
---|
53 | inline bool HasEIT(uint serviceid) const; |
---|
54 | bool HasEITPIDChanges(const uint_vec_t &in_use_pids) const; |
---|
55 | bool GetEITPIDChanges(const uint_vec_t &in_use_pids, |
---|
56 | uint_vec_t &add_pids, |
---|
57 | uint_vec_t &del_pids) const; |
---|
58 | |
---|
59 | // Table versions |
---|
60 | void SetVersionNIT(int version, uint last_section) |
---|
61 | { |
---|
62 | if (_nit_version == version) |
---|
63 | return; |
---|
64 | _nit_version = version; |
---|
65 | init_sections(_nit_section_seen, last_section); |
---|
66 | } |
---|
67 | int VersionNIT() const { return _nit_version; } |
---|
68 | |
---|
69 | void SetVersionNITo(int version, uint last_section) |
---|
70 | { |
---|
71 | if (_nito_version == version) |
---|
72 | return; |
---|
73 | _nito_version = version; |
---|
74 | init_sections(_nito_section_seen, last_section); |
---|
75 | } |
---|
76 | int VersionNITo() const { return _nito_version; } |
---|
77 | |
---|
78 | void SetVersionSDT(uint tsid, int version, uint last_section) |
---|
79 | { |
---|
80 | if (VersionSDT(tsid) == version) |
---|
81 | return; |
---|
82 | _sdt_versions[tsid] = version; |
---|
83 | init_sections(_sdt_section_seen[tsid], last_section); |
---|
84 | } |
---|
85 | int VersionSDT(uint tsid) const |
---|
86 | { |
---|
87 | const QMap<uint, int>::const_iterator it = _sdt_versions.find(tsid); |
---|
88 | if (it == _sdt_versions.end()) |
---|
89 | return -1; |
---|
90 | return *it; |
---|
91 | } |
---|
92 | |
---|
93 | void SetVersionSDTo(uint tsid, int version, uint last_section) |
---|
94 | { |
---|
95 | if (_sdto_versions[tsid] == version) |
---|
96 | return; |
---|
97 | _sdto_versions[tsid] = version; |
---|
98 | init_sections(_sdto_section_seen[tsid], last_section); |
---|
99 | } |
---|
100 | int VersionSDTo(uint tsid) const |
---|
101 | { |
---|
102 | const QMap<uint, int>::const_iterator it = _sdto_versions.find(tsid); |
---|
103 | if (it == _sdto_versions.end()) |
---|
104 | return -1; |
---|
105 | return *it; |
---|
106 | } |
---|
107 | |
---|
108 | static uint GenerateUniqueUKOriginalNetworkID(uint transport_stream_id) |
---|
109 | { |
---|
110 | // Convert United Kingdom DTT id to temporary temporary local range |
---|
111 | uint mux_id = (transport_stream_id & 0x3f000) >> 12; |
---|
112 | if (mux_id > 0xb) |
---|
113 | mux_id = 0; |
---|
114 | if ((mux_id == 0x7) && ((transport_stream_id & 0xfff) < 0x3ff)) |
---|
115 | mux_id = 0xc; |
---|
116 | // Shift id to private temporary use range |
---|
117 | return 0xff01 + mux_id; |
---|
118 | } |
---|
119 | |
---|
120 | void SetVersionEIT(uint original_network_id, uint transport_stream_id, |
---|
121 | uint serviceid, uint tableid, |
---|
122 | int version, uint last_section) |
---|
123 | { |
---|
124 | if (VersionEIT(original_network_id, transport_stream_id, |
---|
125 | serviceid, tableid) == version) |
---|
126 | return; |
---|
127 | |
---|
128 | if (original_network_id == 0x233a) |
---|
129 | original_network_id = GenerateUniqueUKOriginalNetworkID(transport_stream_id); |
---|
130 | |
---|
131 | uint64_t key = |
---|
132 | uint64_t(original_network_id) << 48 | |
---|
133 | uint64_t(transport_stream_id) << 32 | |
---|
134 | serviceid << 16 | tableid; |
---|
135 | |
---|
136 | _eit_version[key] = version; |
---|
137 | init_sections(_eit_section_seen[key], last_section); |
---|
138 | } |
---|
139 | |
---|
140 | int VersionEIT(uint original_network_id, uint transport_stream_id, |
---|
141 | uint serviceid, uint tableid) const |
---|
142 | { |
---|
143 | if (original_network_id == 0x233a) |
---|
144 | original_network_id = GenerateUniqueUKOriginalNetworkID(transport_stream_id); |
---|
145 | |
---|
146 | uint64_t key = |
---|
147 | uint64_t(original_network_id) << 48 | |
---|
148 | uint64_t(transport_stream_id) << 32 | |
---|
149 | serviceid << 16 | tableid; |
---|
150 | |
---|
151 | const QMap<uint64_t, int>::const_iterator it = _eit_version.find(key); |
---|
152 | if (it == _eit_version.end()) |
---|
153 | return -1; |
---|
154 | return *it; |
---|
155 | } |
---|
156 | |
---|
157 | void SetVersionBAT(uint bid, int version, uint last_section) |
---|
158 | { |
---|
159 | if (_bat_versions[bid] == version) |
---|
160 | return; |
---|
161 | _bat_versions[bid] = version; |
---|
162 | init_sections(_bat_section_seen[bid], last_section); |
---|
163 | } |
---|
164 | int VersionBAT(uint bid) const |
---|
165 | { |
---|
166 | const QMap<uint, int>::const_iterator it = _bat_versions.find(bid); |
---|
167 | if (it == _bat_versions.end()) |
---|
168 | return -1; |
---|
169 | return *it; |
---|
170 | } |
---|
171 | |
---|
172 | // Premiere private ContentInformationTable |
---|
173 | void SetVersionCIT(uint contentid, int version) |
---|
174 | { |
---|
175 | if (VersionCIT(contentid) == version) |
---|
176 | return; |
---|
177 | _cit_version[contentid] = version; |
---|
178 | } |
---|
179 | |
---|
180 | int VersionCIT(uint contentid) const |
---|
181 | { |
---|
182 | const QMap<uint, int>::const_iterator it = _cit_version.find(contentid); |
---|
183 | if (it == _cit_version.end()) |
---|
184 | return -1; |
---|
185 | return *it; |
---|
186 | } |
---|
187 | |
---|
188 | // Sections seen |
---|
189 | void SetNITSectionSeen(uint section); |
---|
190 | bool NITSectionSeen(uint section) const; |
---|
191 | bool HasAllNITSections(void) const; |
---|
192 | |
---|
193 | void SetNIToSectionSeen(uint section); |
---|
194 | bool NIToSectionSeen(uint section) const; |
---|
195 | bool HasAllNIToSections(void) const; |
---|
196 | |
---|
197 | void SetSDTSectionSeen(uint tsid, uint section); |
---|
198 | bool SDTSectionSeen(uint tsid, uint section) const; |
---|
199 | bool HasAllSDTSections(uint tsid) const; |
---|
200 | |
---|
201 | void SetSDToSectionSeen(uint tsid, uint section); |
---|
202 | bool SDToSectionSeen(uint tsid, uint section) const; |
---|
203 | bool HasAllSDToSections(uint tsid) const; |
---|
204 | |
---|
205 | void SetEITSectionSeen(uint original_network_id, uint transport_stream_id, |
---|
206 | uint serviceid, uint tableid, uint section, |
---|
207 | uint segment_last_section); |
---|
208 | bool EITSectionSeen(uint original_network_id, uint transport_stream_id, |
---|
209 | uint serviceid, uint tableid, uint section) const; |
---|
210 | bool HasAllEITSections(uint original_network_id, uint transport_stream_id, |
---|
211 | uint serviceid, uint tableid) const; |
---|
212 | |
---|
213 | void SetBATSectionSeen(uint bid, uint section); |
---|
214 | bool BATSectionSeen(uint bid, uint section) const; |
---|
215 | bool HasAllBATSections(uint bid) const; |
---|
216 | |
---|
217 | // Premiere private ContentInformationTable |
---|
218 | void SetCITSectionSeen(uint contentid, uint section); |
---|
219 | bool CITSectionSeen(uint contentid, uint section) const; |
---|
220 | |
---|
221 | // Caching |
---|
222 | bool HasCachedAnyNIT(bool current = true) const; |
---|
223 | bool HasCachedAllNIT(bool current = true) const; |
---|
224 | bool HasCachedAnySDT(uint tsid, bool current = true) const; |
---|
225 | bool HasCachedAllSDT(uint tsid, bool current = true) const; |
---|
226 | bool HasCachedSDT(bool current = true) const; |
---|
227 | bool HasCachedAnySDTs(bool current = true) const; |
---|
228 | bool HasCachedAllSDTs(bool current = true) const; |
---|
229 | |
---|
230 | nit_const_ptr_t GetCachedNIT(uint section_num, bool current = true) const; |
---|
231 | nit_vec_t GetCachedNIT(bool current = true) const; |
---|
232 | sdt_const_ptr_t GetCachedSDT(uint tsid, uint section_num, |
---|
233 | bool current = true) const; |
---|
234 | sdt_vec_t GetCachedSDTs(bool current = true) const; |
---|
235 | |
---|
236 | void ReturnCachedSDTTables(sdt_vec_t&) const; |
---|
237 | |
---|
238 | void AddDVBMainListener(DVBMainStreamListener*); |
---|
239 | void AddDVBOtherListener(DVBOtherStreamListener*); |
---|
240 | void AddDVBEITListener(DVBEITStreamListener*); |
---|
241 | |
---|
242 | void RemoveDVBMainListener(DVBMainStreamListener*); |
---|
243 | void RemoveDVBOtherListener(DVBOtherStreamListener*); |
---|
244 | void RemoveDVBEITListener(DVBEITStreamListener*); |
---|
245 | |
---|
246 | private: |
---|
247 | // Caching |
---|
248 | void CacheNIT(NetworkInformationTable*); |
---|
249 | void CacheSDT(ServiceDescriptionTable*); |
---|
250 | protected: |
---|
251 | virtual bool DeleteCachedTable(PSIPTable *psip) const; |
---|
252 | |
---|
253 | private: |
---|
254 | /// DVB table monitoring |
---|
255 | uint _desired_netid; |
---|
256 | uint _desired_tsid; |
---|
257 | |
---|
258 | // Real network ID for broken providers |
---|
259 | int _dvb_real_network_id; |
---|
260 | |
---|
261 | /// Decode DishNet's long-term DVB EIT |
---|
262 | bool _dvb_eit_dishnet_long; |
---|
263 | /// Tell us if the DVB service has EIT |
---|
264 | dvb_has_eit_t _dvb_has_eit; |
---|
265 | |
---|
266 | // Signals |
---|
267 | dvb_main_listener_vec_t _dvb_main_listeners; |
---|
268 | dvb_other_listener_vec_t _dvb_other_listeners; |
---|
269 | dvb_eit_listener_vec_t _dvb_eit_listeners; |
---|
270 | |
---|
271 | // Table versions |
---|
272 | int _nit_version; |
---|
273 | QMap<uint, int> _sdt_versions; |
---|
274 | sections_t _nit_section_seen; |
---|
275 | sections_map_t _sdt_section_seen; |
---|
276 | QMap<uint64_t, int> _eit_version; |
---|
277 | QMap<uint64_t, sections_t> _eit_section_seen; |
---|
278 | // Premiere private ContentInformationTable |
---|
279 | QMap<uint, int> _cit_version; |
---|
280 | sections_map_t _cit_section_seen; |
---|
281 | |
---|
282 | int _nito_version; |
---|
283 | QMap<uint, int> _sdto_versions; |
---|
284 | sections_t _nito_section_seen; |
---|
285 | sections_map_t _sdto_section_seen; |
---|
286 | QMap<uint, int> _bat_versions; |
---|
287 | sections_map_t _bat_section_seen; |
---|
288 | |
---|
289 | // Caching |
---|
290 | mutable nit_cache_t _cached_nit; // section -> sdt |
---|
291 | mutable sdt_cache_t _cached_sdts; // tsid+section -> sdt |
---|
292 | }; |
---|
293 | |
---|
294 | inline void DVBStreamData::SetDishNetEIT(bool use_dishnet_eit) |
---|
295 | { |
---|
296 | QMutexLocker locker(&_listener_lock); |
---|
297 | _dvb_eit_dishnet_long = use_dishnet_eit; |
---|
298 | } |
---|
299 | |
---|
300 | inline void DVBStreamData::SetRealNetworkID(int real_network_id) |
---|
301 | { |
---|
302 | QMutexLocker locker(&_listener_lock); |
---|
303 | _dvb_real_network_id = real_network_id; |
---|
304 | } |
---|
305 | |
---|
306 | inline bool DVBStreamData::HasAnyEIT(void) const |
---|
307 | { |
---|
308 | QMutexLocker locker(&_listener_lock); |
---|
309 | return _dvb_has_eit.size(); |
---|
310 | } |
---|
311 | |
---|
312 | inline bool DVBStreamData::HasEIT(uint serviceid) const |
---|
313 | { |
---|
314 | QMutexLocker locker(&_listener_lock); |
---|
315 | |
---|
316 | dvb_has_eit_t::const_iterator it = _dvb_has_eit.find(serviceid); |
---|
317 | if (it != _dvb_has_eit.end()) |
---|
318 | return *it; |
---|
319 | |
---|
320 | return false; |
---|
321 | } |
---|
322 | |
---|
323 | #endif // DVBSTREAMDATA_H_ |
---|