1 | // -*- Mode: c++ -*- |
---|
2 | // Copyright (c) 2003-2004, Daniel Thor Kristjansson |
---|
3 | #ifndef ATSCSTREAMDATA_H_ |
---|
4 | #define ATSCSTREAMDATA_H_ |
---|
5 | |
---|
6 | #include "mpegstreamdata.h" |
---|
7 | #include "mythtvexp.h" |
---|
8 | |
---|
9 | typedef QMap<uint, uint_vec_t> pid_tsid_vec_t; |
---|
10 | typedef TerrestrialVirtualChannelTable* tvct_ptr_t; |
---|
11 | typedef TerrestrialVirtualChannelTable const* tvct_const_ptr_t; |
---|
12 | typedef CableVirtualChannelTable* cvct_ptr_t; |
---|
13 | typedef CableVirtualChannelTable const* cvct_const_ptr_t; |
---|
14 | typedef vector<const TerrestrialVirtualChannelTable*> tvct_vec_t; |
---|
15 | typedef vector<const CableVirtualChannelTable*> cvct_vec_t; |
---|
16 | typedef QMap<uint, tvct_ptr_t> tvct_cache_t; |
---|
17 | typedef QMap<uint, cvct_ptr_t> cvct_cache_t; |
---|
18 | typedef QMap<uint, uint> atsc_eit_pid_map_t; |
---|
19 | typedef QMap<uint, uint> atsc_ett_pid_map_t; |
---|
20 | |
---|
21 | typedef vector<ATSCMainStreamListener*> atsc_main_listener_vec_t; |
---|
22 | typedef vector<SCTEMainStreamListener*> scte_main_listener_vec_t; |
---|
23 | typedef vector<ATSCAuxStreamListener*> atsc_aux_listener_vec_t; |
---|
24 | typedef vector<ATSCEITStreamListener*> atsc_eit_listener_vec_t; |
---|
25 | typedef vector<ATSC81EITStreamListener*> atsc81_eit_listener_vec_t; |
---|
26 | |
---|
27 | class MTV_PUBLIC ATSCStreamData : virtual public MPEGStreamData |
---|
28 | { |
---|
29 | public: |
---|
30 | ATSCStreamData(int desiredMajorChannel, |
---|
31 | int desiredMinorChannel, |
---|
32 | int cardnum, bool cacheTables = false); |
---|
33 | virtual ~ATSCStreamData(); |
---|
34 | |
---|
35 | void Reset(void) { Reset(-1, -1); } |
---|
36 | void Reset(int desiredProgram); |
---|
37 | void Reset(int desiredMajorChannel, int desiredMinorChannel); |
---|
38 | void SetDesiredChannel(int major, int minor); |
---|
39 | |
---|
40 | // Table processing |
---|
41 | virtual bool HandleTables(uint pid, const PSIPTable &psip); |
---|
42 | virtual bool IsRedundant(uint, const PSIPTable&) const; |
---|
43 | |
---|
44 | /// Current UTC to GPS time offset in seconds |
---|
45 | uint GPSOffset(void) const { return _GPS_UTC_offset; } |
---|
46 | |
---|
47 | inline uint GetATSCMajorMinor(uint eit_sourceid) const; |
---|
48 | inline bool HasATSCMajorMinorMap(void) const; |
---|
49 | bool HasEITPIDChanges(const uint_vec_t &in_use_pid) const; |
---|
50 | bool GetEITPIDChanges(const uint_vec_t &in_use_pid, |
---|
51 | uint_vec_t &pids_to_add, |
---|
52 | uint_vec_t &pids_to_del) const; |
---|
53 | |
---|
54 | // Table versions |
---|
55 | void SetVersionMGT(int version) |
---|
56 | { _mgt_version = version; } |
---|
57 | void SetVersionTVCT(uint tsid, int version) |
---|
58 | { _tvct_version[tsid] = version; } |
---|
59 | void SetVersionCVCT(uint tsid, int version) |
---|
60 | { _cvct_version[tsid] = version; } |
---|
61 | void SetVersionRRT(uint region, int version) |
---|
62 | { _rrt_version[region&0xff] = version; } |
---|
63 | |
---|
64 | int VersionMGT() const { return _mgt_version; } |
---|
65 | inline int VersionTVCT(uint tsid) const; |
---|
66 | inline int VersionCVCT(uint tsid) const; |
---|
67 | inline int VersionRRT(uint region) const; |
---|
68 | |
---|
69 | // Caching |
---|
70 | bool HasCachedMGT(bool current = true) const; |
---|
71 | bool HasCachedTVCT(uint pid, bool current = true) const; |
---|
72 | bool HasCachedCVCT(uint pid, bool current = true) const; |
---|
73 | |
---|
74 | bool HasCachedAllTVCTs(bool current = true) const; |
---|
75 | bool HasCachedAllCVCTs(bool current = true) const; |
---|
76 | bool HasCachedAllVCTs(bool current = true) const |
---|
77 | { return HasCachedAllTVCTs(current) && HasCachedAllCVCTs(current); } |
---|
78 | |
---|
79 | bool HasCachedAnyTVCTs(bool current = true) const; |
---|
80 | bool HasCachedAnyCVCTs(bool current = true) const; |
---|
81 | bool HasCachedAnyVCTs(bool current = true) const |
---|
82 | { return HasCachedAnyTVCTs(current) || HasCachedAnyCVCTs(current); } |
---|
83 | |
---|
84 | const MasterGuideTable *GetCachedMGT(bool current = true) const; |
---|
85 | tvct_const_ptr_t GetCachedTVCT(uint pid, bool current = true) const; |
---|
86 | cvct_const_ptr_t GetCachedCVCT(uint pid, bool current = true) const; |
---|
87 | |
---|
88 | tvct_vec_t GetCachedTVCTs(bool current = true) const; |
---|
89 | cvct_vec_t GetCachedCVCTs(bool current = true) const; |
---|
90 | |
---|
91 | void ReturnCachedTVCTTables(tvct_vec_t&) const; |
---|
92 | void ReturnCachedCVCTTables(cvct_vec_t&) const; |
---|
93 | |
---|
94 | bool HasChannel(uint major, uint minor) const; |
---|
95 | |
---|
96 | // Single channel stuff |
---|
97 | int DesiredMajorChannel(void) const { return _desired_major_channel; } |
---|
98 | int DesiredMinorChannel(void) const { return _desired_minor_channel; } |
---|
99 | |
---|
100 | void AddATSCMainListener(ATSCMainStreamListener*); |
---|
101 | void AddSCTEMainListener(SCTEMainStreamListener*); |
---|
102 | void AddATSCAuxListener(ATSCAuxStreamListener*); |
---|
103 | void AddATSCEITListener(ATSCEITStreamListener*); |
---|
104 | void AddATSC81EITListener(ATSC81EITStreamListener*); |
---|
105 | |
---|
106 | void RemoveATSCMainListener(ATSCMainStreamListener*); |
---|
107 | void RemoveSCTEMainListener(SCTEMainStreamListener*); |
---|
108 | void RemoveATSCAuxListener(ATSCAuxStreamListener*); |
---|
109 | void RemoveATSCEITListener(ATSCEITStreamListener*); |
---|
110 | void RemoveATSC81EITListener(ATSC81EITStreamListener*); |
---|
111 | |
---|
112 | private: |
---|
113 | void ProcessMGT(const MasterGuideTable*); |
---|
114 | void ProcessVCT(uint tsid, const VirtualChannelTable*); |
---|
115 | void ProcessTVCT(uint tsid, const TerrestrialVirtualChannelTable*); |
---|
116 | void ProcessCVCT(uint tsid, const CableVirtualChannelTable*); |
---|
117 | |
---|
118 | // Caching |
---|
119 | void CacheMGT(MasterGuideTable*); |
---|
120 | void CacheTVCT(uint pid, TerrestrialVirtualChannelTable*); |
---|
121 | void CacheCVCT(uint pid, CableVirtualChannelTable*); |
---|
122 | protected: |
---|
123 | virtual bool DeleteCachedTable(PSIPTable *psip) const; |
---|
124 | |
---|
125 | private: |
---|
126 | uint _GPS_UTC_offset; |
---|
127 | mutable bool _atsc_eit_reset; |
---|
128 | atsc_eit_pid_map_t _atsc_eit_pids; |
---|
129 | atsc_ett_pid_map_t _atsc_ett_pids; |
---|
130 | |
---|
131 | QMap<uint,uint> _sourceid_to_atsc_maj_min; |
---|
132 | |
---|
133 | |
---|
134 | // Signals |
---|
135 | atsc_main_listener_vec_t _atsc_main_listeners; |
---|
136 | scte_main_listener_vec_t _scte_main_listeners; |
---|
137 | atsc_aux_listener_vec_t _atsc_aux_listeners; |
---|
138 | atsc_eit_listener_vec_t _atsc_eit_listeners; |
---|
139 | atsc81_eit_listener_vec_t _atsc81_eit_listeners; |
---|
140 | |
---|
141 | // Table versions |
---|
142 | int _mgt_version; |
---|
143 | QMap<uint, int> _tvct_version; |
---|
144 | QMap<uint, int> _cvct_version; |
---|
145 | QMap<uint, int> _rrt_version; |
---|
146 | TableStatusMap _eit_status; |
---|
147 | |
---|
148 | // Caching |
---|
149 | mutable MasterGuideTable *_cached_mgt; |
---|
150 | mutable tvct_cache_t _cached_tvcts; // pid->tvct |
---|
151 | mutable cvct_cache_t _cached_cvcts; // pid->cvct |
---|
152 | |
---|
153 | // Single program variables |
---|
154 | int _desired_major_channel; |
---|
155 | int _desired_minor_channel; |
---|
156 | }; |
---|
157 | |
---|
158 | |
---|
159 | inline uint ATSCStreamData::GetATSCMajorMinor(uint eit_sourceid) const |
---|
160 | { |
---|
161 | QMutexLocker locker(&_listener_lock); |
---|
162 | return _sourceid_to_atsc_maj_min[eit_sourceid]; |
---|
163 | } |
---|
164 | |
---|
165 | inline bool ATSCStreamData::HasATSCMajorMinorMap(void) const |
---|
166 | { |
---|
167 | QMutexLocker locker(&_listener_lock); |
---|
168 | return !_sourceid_to_atsc_maj_min.empty(); |
---|
169 | } |
---|
170 | |
---|
171 | inline int ATSCStreamData::VersionTVCT(uint tsid) const |
---|
172 | { |
---|
173 | const QMap<uint, int>::const_iterator it = _tvct_version.find(tsid); |
---|
174 | if (it == _tvct_version.end()) |
---|
175 | return -1; |
---|
176 | return *it; |
---|
177 | } |
---|
178 | |
---|
179 | inline int ATSCStreamData::VersionCVCT(uint tsid) const |
---|
180 | { |
---|
181 | const QMap<uint, int>::const_iterator it = _cvct_version.find(tsid); |
---|
182 | if (it == _cvct_version.end()) |
---|
183 | return -1; |
---|
184 | return *it; |
---|
185 | } |
---|
186 | |
---|
187 | inline int ATSCStreamData::VersionRRT(uint region) const |
---|
188 | { |
---|
189 | const QMap<uint, int>::const_iterator it = _rrt_version.find(region&0xff); |
---|
190 | if (it == _rrt_version.end()) |
---|
191 | return -1; |
---|
192 | return *it; |
---|
193 | } |
---|
194 | |
---|
195 | #endif |
---|