vdr  2.4.0
remux.h
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1 /*
2  * remux.h: Tools for detecting frames and handling PAT/PMT
3  *
4  * See the main source file 'vdr.c' for copyright information and
5  * how to reach the author.
6  *
7  * $Id: remux.h 4.5 2017/05/21 09:44:52 kls Exp $
8  */
9 
10 #ifndef __REMUX_H
11 #define __REMUX_H
12 
13 #include "channels.h"
14 #include "tools.h"
15 
16 enum ePesHeader {
18  phInvalid = 0,
19  phMPEG1 = 1,
20  phMPEG2 = 2
21  };
22 
23 ePesHeader AnalyzePesHeader(const uchar *Data, int Count, int &PesPayloadOffset, bool *ContinuationHeader = NULL);
24 
25 class cRemux {
26 public:
27  static void SetBrokenLink(uchar *Data, int Length);
28  };
29 
30 // Some TS handling tools.
31 // The following functions all take a pointer to one complete TS packet.
32 
33 #define TS_SYNC_BYTE 0x47
34 #define TS_SIZE 188
35 #define TS_ERROR 0x80
36 #define TS_PAYLOAD_START 0x40
37 #define TS_TRANSPORT_PRIORITY 0x20
38 #define TS_PID_MASK_HI 0x1F
39 #define TS_SCRAMBLING_CONTROL 0xC0
40 #define TS_ADAPT_FIELD_EXISTS 0x20
41 #define TS_PAYLOAD_EXISTS 0x10
42 #define TS_CONT_CNT_MASK 0x0F
43 #define TS_ADAPT_DISCONT 0x80
44 #define TS_ADAPT_RANDOM_ACC 0x40 // would be perfect for detecting independent frames, but unfortunately not used by all broadcasters
45 #define TS_ADAPT_ELEM_PRIO 0x20
46 #define TS_ADAPT_PCR 0x10
47 #define TS_ADAPT_OPCR 0x08
48 #define TS_ADAPT_SPLICING 0x04
49 #define TS_ADAPT_TP_PRIVATE 0x02
50 #define TS_ADAPT_EXTENSION 0x01
51 
52 #define PATPID 0x0000 // PAT PID (constant 0)
53 #define CATPID 0x0001 // CAT PID (constant 1)
54 #define EITPID 0x0012 // EIT PID (constant 18)
55 #define MAXPID 0x2000 // for arrays that use a PID as the index
56 
57 #define PTSTICKS 90000 // number of PTS ticks per second
58 #define PCRFACTOR 300 // conversion from 27MHz PCR extension to 90kHz PCR base
59 #define MAX33BIT 0x00000001FFFFFFFFLL // max. possible value with 33 bit
60 #define MAX27MHZ ((MAX33BIT + 1) * PCRFACTOR - 1) // max. possible PCR value
61 
62 inline bool TsHasPayload(const uchar *p)
63 {
64  return p[3] & TS_PAYLOAD_EXISTS;
65 }
66 
67 inline bool TsHasAdaptationField(const uchar *p)
68 {
69  return p[3] & TS_ADAPT_FIELD_EXISTS;
70 }
71 
72 inline bool TsPayloadStart(const uchar *p)
73 {
74  return p[1] & TS_PAYLOAD_START;
75 }
76 
77 inline bool TsError(const uchar *p)
78 {
79  return p[1] & TS_ERROR;
80 }
81 
82 inline int TsPid(const uchar *p)
83 {
84  return (p[1] & TS_PID_MASK_HI) * 256 + p[2];
85 }
86 
87 inline void TsSetPid(uchar *p, int Pid)
88 {
89  p[1] = (p[1] & ~TS_PID_MASK_HI) | ((Pid >> 8) & TS_PID_MASK_HI);
90  p[2] = Pid & 0x00FF;
91 }
92 
93 inline bool TsIsScrambled(const uchar *p)
94 {
95  return p[3] & TS_SCRAMBLING_CONTROL;
96 }
97 
99 {
100  return p[3] & TS_CONT_CNT_MASK;
101 }
102 
103 inline void TsSetContinuityCounter(uchar *p, uchar Counter)
104 {
105  p[3] = (p[3] & ~TS_CONT_CNT_MASK) | (Counter & TS_CONT_CNT_MASK);
106 }
107 
108 inline int TsPayloadOffset(const uchar *p)
109 {
110  int o = TsHasAdaptationField(p) ? p[4] + 5 : 4;
111  return o <= TS_SIZE ? o : TS_SIZE;
112 }
113 
114 inline int TsGetPayload(const uchar **p)
115 {
116  if (TsHasPayload(*p)) {
117  int o = TsPayloadOffset(*p);
118  *p += o;
119  return TS_SIZE - o;
120  }
121  return 0;
122 }
123 
124 inline int64_t TsGetPcr(const uchar *p)
125 {
126  if (TsHasAdaptationField(p)) {
127  if (p[4] >= 7 && (p[5] & TS_ADAPT_PCR)) {
128  return ((((int64_t)p[ 6]) << 25) |
129  (((int64_t)p[ 7]) << 17) |
130  (((int64_t)p[ 8]) << 9) |
131  (((int64_t)p[ 9]) << 1) |
132  (((int64_t)p[10]) >> 7)) * PCRFACTOR +
133  (((((int)p[10]) & 0x01) << 8) |
134  ( ((int)p[11])));
135  }
136  }
137  return -1;
138 }
139 
140 void TsHidePayload(uchar *p);
141 void TsSetPcr(uchar *p, int64_t Pcr);
142 
143 // Helper macro and function to quickly check whether Data points to the beginning
144 // of a TS packet. The return value is the number of bytes that need to be skipped
145 // to synchronize on the next TS packet (zero if already sync'd). TsSync() can be
146 // called directly, the macro just performs the initial check inline and adds some
147 // debug information for logging.
148 
149 #define TS_SYNC(Data, Length) (*Data == TS_SYNC_BYTE ? 0 : TsSync(Data, Length, __FILE__, __FUNCTION__, __LINE__))
150 int TsSync(const uchar *Data, int Length, const char *File = NULL, const char *Function = NULL, int Line = 0);
151 
152 // The following functions all take a pointer to a sequence of complete TS packets.
153 
154 int64_t TsGetPts(const uchar *p, int l);
155 int64_t TsGetDts(const uchar *p, int l);
156 void TsSetPts(uchar *p, int l, int64_t Pts);
157 void TsSetDts(uchar *p, int l, int64_t Dts);
158 
159 // Some PES handling tools:
160 // The following functions that take a pointer to PES data all assume that
161 // there is enough data so that PesLongEnough() returns true.
162 
163 inline bool PesLongEnough(int Length)
164 {
165  return Length >= 6;
166 }
167 
168 inline bool PesHasLength(const uchar *p)
169 {
170  return p[4] | p[5];
171 }
172 
173 inline int PesLength(const uchar *p)
174 {
175  return 6 + p[4] * 256 + p[5];
176 }
177 
178 inline int PesPayloadOffset(const uchar *p)
179 {
180  return 9 + p[8];
181 }
182 
183 inline bool PesHasPts(const uchar *p)
184 {
185  return (p[7] & 0x80) && p[8] >= 5;
186 }
187 
188 inline bool PesHasDts(const uchar *p)
189 {
190  return (p[7] & 0x40) && p[8] >= 10;
191 }
192 
193 inline int64_t PesGetPts(const uchar *p)
194 {
195  return ((((int64_t)p[ 9]) & 0x0E) << 29) |
196  (( (int64_t)p[10]) << 22) |
197  ((((int64_t)p[11]) & 0xFE) << 14) |
198  (( (int64_t)p[12]) << 7) |
199  ((((int64_t)p[13]) & 0xFE) >> 1);
200 }
201 
202 inline int64_t PesGetDts(const uchar *p)
203 {
204  return ((((int64_t)p[14]) & 0x0E) << 29) |
205  (( (int64_t)p[15]) << 22) |
206  ((((int64_t)p[16]) & 0xFE) << 14) |
207  (( (int64_t)p[17]) << 7) |
208  ((((int64_t)p[18]) & 0xFE) >> 1);
209 }
210 
211 void PesSetPts(uchar *p, int64_t Pts);
212 void PesSetDts(uchar *p, int64_t Dts);
213 
214 // PTS handling:
215 
216 inline int64_t PtsAdd(int64_t Pts1, int64_t Pts2) { return (Pts1 + Pts2) & MAX33BIT; }
218 int64_t PtsDiff(int64_t Pts1, int64_t Pts2);
223 
224 // A transprent TS payload handler:
225 
226 class cTsPayload {
227 private:
229  int length;
230  int pid;
231  int index; // points to the next byte to process
232  int numPacketsPid; // the number of TS packets with the given PID (for statistical purposes)
233  int numPacketsOther; // the number of TS packets with other PIDs (for statistical purposes)
234  uchar SetEof(void);
235 protected:
236  void Reset(void);
237 public:
238  cTsPayload(void);
239  cTsPayload(uchar *Data, int Length, int Pid = -1);
241  void Setup(uchar *Data, int Length, int Pid = -1);
249  bool AtTsStart(void) { return index < length && (index % TS_SIZE) == 0; }
252  bool AtPayloadStart(void) { return AtTsStart() && TsPayloadStart(data + index); }
255  int Available(void) { return length - index; }
258  int Used(void) { return (index + TS_SIZE - 1) / TS_SIZE * TS_SIZE; }
262  bool Eof(void) const { return index >= length; }
264  void Statistics(void) const;
268  uchar GetByte(void);
270  bool SkipBytes(int Bytes);
273  bool SkipPesHeader(void);
275  int GetLastIndex(void);
278  void SetByte(uchar Byte, int Index);
283  bool Find(uint32_t Code);
291  };
292 
293 // PAT/PMT Generator:
294 
295 #define MAX_SECTION_SIZE 4096 // maximum size of an SI section
296 #define MAX_PMT_TS (MAX_SECTION_SIZE / TS_SIZE + 1)
297 
299 private:
300  uchar pat[TS_SIZE]; // the PAT always fits into a single TS packet
301  uchar pmt[MAX_PMT_TS][TS_SIZE]; // the PMT may well extend over several TS packets
307  int pmtPid;
309  void IncCounter(int &Counter, uchar *TsPacket);
310  void IncVersion(int &Version);
311  void IncEsInfoLength(int Length);
312 protected:
313  int MakeStream(uchar *Target, uchar Type, int Pid);
314  int MakeAC3Descriptor(uchar *Target, uchar Type);
315  int MakeSubtitlingDescriptor(uchar *Target, const char *Language, uchar SubtitlingType, uint16_t CompositionPageId, uint16_t AncillaryPageId);
316  int MakeLanguageDescriptor(uchar *Target, const char *Language);
317  int MakeCRC(uchar *Target, const uchar *Data, int Length);
318  void GeneratePmtPid(const cChannel *Channel);
321  void GeneratePat(void);
323  void GeneratePmt(const cChannel *Channel);
326 public:
327  cPatPmtGenerator(const cChannel *Channel = NULL);
328  void SetVersions(int PatVersion, int PmtVersion);
337  void SetChannel(const cChannel *Channel);
339  uchar *GetPat(void);
342  uchar *GetPmt(int &Index);
347  };
348 
349 // PAT/PMT Parser:
350 
351 #define MAX_PMT_PIDS 32
352 
354 private:
356  int pmtSize;
359  int pmtPids[MAX_PMT_PIDS + 1]; // list is zero-terminated
360  int vpid;
361  int ppid;
362  int vtype;
363  int apids[MAXAPIDS + 1]; // list is zero-terminated
364  int atypes[MAXAPIDS + 1]; // list is zero-terminated
366  int dpids[MAXDPIDS + 1]; // list is zero-terminated
367  int dtypes[MAXDPIDS + 1]; // list is zero-terminated
369  int spids[MAXSPIDS + 1]; // list is zero-terminated
375  bool completed;
376 protected:
377  int SectionLength(const uchar *Data, int Length) { return (Length >= 3) ? ((int(Data[1]) & 0x0F) << 8)| Data[2] : 0; }
378 public:
379  cPatPmtParser(bool UpdatePrimaryDevice = false);
380  void Reset(void);
383  void ParsePat(const uchar *Data, int Length);
386  void ParsePmt(const uchar *Data, int Length);
393  bool ParsePatPmt(const uchar *Data, int Length);
397  bool GetVersions(int &PatVersion, int &PmtVersion) const;
400  bool IsPmtPid(int Pid) const { for (int i = 0; pmtPids[i]; i++) if (pmtPids[i] == Pid) return true; return false; }
403  int Vpid(void) const { return vpid; }
406  int Ppid(void) const { return ppid; }
409  int Vtype(void) const { return vtype; }
412  bool Completed(void) { return completed; }
414  const int *Apids(void) const { return apids; }
415  const int *Dpids(void) const { return dpids; }
416  const int *Spids(void) const { return spids; }
417  int Apid(int i) const { return (0 <= i && i < MAXAPIDS) ? apids[i] : 0; }
418  int Dpid(int i) const { return (0 <= i && i < MAXDPIDS) ? dpids[i] : 0; }
419  int Spid(int i) const { return (0 <= i && i < MAXSPIDS) ? spids[i] : 0; }
420  int Atype(int i) const { return (0 <= i && i < MAXAPIDS) ? atypes[i] : 0; }
421  int Dtype(int i) const { return (0 <= i && i < MAXDPIDS) ? dtypes[i] : 0; }
422  const char *Alang(int i) const { return (0 <= i && i < MAXAPIDS) ? alangs[i] : ""; }
423  const char *Dlang(int i) const { return (0 <= i && i < MAXDPIDS) ? dlangs[i] : ""; }
424  const char *Slang(int i) const { return (0 <= i && i < MAXSPIDS) ? slangs[i] : ""; }
425  uchar SubtitlingType(int i) const { return (0 <= i && i < MAXSPIDS) ? subtitlingTypes[i] : uchar(0); }
426  uint16_t CompositionPageId(int i) const { return (0 <= i && i < MAXSPIDS) ? compositionPageIds[i] : uint16_t(0); }
427  uint16_t AncillaryPageId(int i) const { return (0 <= i && i < MAXSPIDS) ? ancillaryPageIds[i] : uint16_t(0); }
428  };
429 
430 // EIT Generator:
431 
433 private:
435  int counter;
436  int version;
437  uint16_t YMDtoMJD(int Y, int M, int D);
438  uchar *AddParentalRatingDescriptor(uchar *p, uchar ParentalRating = 0);
439 public:
440  cEitGenerator(int Sid = 0);
441  uchar *Generate(int Sid);
442  uchar *Data(void) { return eit; }
443  int Length(void) { return sizeof(eit); }
444  };
445 
446 // TS to PES converter:
447 // Puts together the payload of several TS packets that form one PES
448 // packet.
449 
450 class cTsToPes {
451 private:
453  int size;
454  int length;
455  int offset;
459 public:
460  cTsToPes(void);
461  ~cTsToPes();
462  void PutTs(const uchar *Data, int Length);
472  const uchar *GetPes(int &Length);
486  void SetRepeatLast(void);
489  void Reset(void);
493  };
494 
495 // Some helper functions for debugging:
496 
497 void BlockDump(const char *Name, const u_char *Data, int Length);
498 void TsDump(const char *Name, const u_char *Data, int Length);
499 void PesDump(const char *Name, const u_char *Data, int Length);
500 
501 // Frame detector:
502 
503 #define MIN_TS_PACKETS_FOR_FRAME_DETECTOR 100
504 
505 class cFrameParser;
506 
508 private:
509  enum { MaxPtsValues = 150 };
510  int pid;
511  int type;
512  bool synced;
513  bool newFrame;
515  uint32_t ptsValues[MaxPtsValues]; // 32 bit is enough - we only need the delta
518  bool isVideo;
521  int framesPerPayloadUnit; // Some broadcasters send one frame per payload unit (== 1),
522  // while others put an entire GOP into one payload unit (> 1).
523  bool scanning;
525 public:
526  cFrameDetector(int Pid = 0, int Type = 0);
530  void SetPid(int Pid, int Type);
532  int Analyze(const uchar *Data, int Length);
538  bool Synced(void) { return synced; }
540  bool NewFrame(void) { return newFrame; }
543  bool IndependentFrame(void) { return independentFrame; }
547  double FramesPerSecond(void) { return framesPerSecond; }
550  };
551 
552 #endif // __REMUX_H
uchar * Data(void)
Definition: remux.h:442
int framesInPayloadUnit
Definition: remux.h:520
bool ParsePatPmt(const uchar *Data, int Length)
Parses the given Data (which may consist of several TS packets, typically an entire frame) and extrac...
Definition: remux.c:917
const int * Dpids(void) const
Definition: remux.h:415
unsigned char uchar
Definition: tools.h:31
void ParsePat(const uchar *Data, int Length)
Parses the PAT data from the single TS packet in Data.
Definition: remux.c:627
int64_t PtsAdd(int64_t Pts1, int64_t Pts2)
Adds the given PTS values, taking into account the 33bit wrap around.
Definition: remux.h:216
uchar * data
Definition: remux.h:228
int Used(void)
Returns the number of raw bytes that have already been used (e.g.
Definition: remux.h:258
uchar GetByte(void)
Gets the next byte of the TS payload, skipping any intermediate TS header data.
Definition: remux.c:280
bool repeatLast
Definition: remux.h:458
int vpid
Definition: remux.h:360
int index
Definition: remux.h:231
int pid
Definition: remux.h:230
int Apid(int i) const
Definition: remux.h:417
uchar subtitlingTypes[MAXSPIDS]
Definition: remux.h:371
const char * Slang(int i) const
Definition: remux.h:424
void SetVersions(int PatVersion, int PmtVersion)
Sets the version numbers for the generated PAT and PMT, in case this generator is used to,...
Definition: remux.c:579
bool TsError(const uchar *p)
Definition: remux.h:77
void SetPid(int Pid, int Type)
Sets the Pid and stream Type to detect frames for.
Definition: remux.c:1633
int PesPayloadOffset(const uchar *p)
Definition: remux.h:178
void IncCounter(int &Counter, uchar *TsPacket)
Definition: remux.c:371
bool SkipBytes(int Bytes)
Skips the given number of bytes in the payload and returns true if there is still data left to read.
Definition: remux.c:311
bool TsHasAdaptationField(const uchar *p)
Definition: remux.h:67
void ParsePmt(const uchar *Data, int Length)
Parses the PMT data from the single TS packet in Data.
Definition: remux.c:659
uchar eit[TS_SIZE]
Definition: remux.h:434
uint16_t ancillaryPageIds[MAXSPIDS]
Definition: remux.h:373
int framesPerPayloadUnit
Definition: remux.h:521
int pmtSize
Definition: remux.h:356
char alangs[MAXAPIDS][MAXLANGCODE2]
Definition: remux.h:365
#define MAX33BIT
Definition: remux.h:59
bool TsPayloadStart(const uchar *p)
Definition: remux.h:72
int64_t TsGetDts(const uchar *p, int l)
Definition: remux.c:173
int MakeLanguageDescriptor(uchar *Target, const char *Language)
Definition: remux.c:432
bool IsPmtPid(int Pid) const
Returns true if Pid the one of the PMT pids as defined by the current PAT.
Definition: remux.h:400
void GeneratePmtPid(const cChannel *Channel)
Generates a PMT pid that doesn't collide with any of the actual pids of the Channel.
Definition: remux.c:466
int64_t PesGetPts(const uchar *p)
Definition: remux.h:193
int Analyze(const uchar *Data, int Length)
Analyzes the TS packets pointed to by Data.
Definition: remux.c:1652
int Atype(int i) const
Definition: remux.h:420
uchar pat[TS_SIZE]
Definition: remux.h:300
uint16_t YMDtoMJD(int Y, int M, int D)
Definition: remux.c:953
int numPacketsPid
Definition: remux.h:232
uchar SubtitlingType(int i) const
Definition: remux.h:425
bool TsHasPayload(const uchar *p)
Definition: remux.h:62
int Vtype(void) const
Returns the video stream type as defined by the current PMT, or 0 if no video stream type has been de...
Definition: remux.h:409
void TsHidePayload(uchar *p)
Definition: remux.c:121
uint32_t ptsValues[MaxPtsValues]
Definition: remux.h:515
int Dtype(int i) const
Definition: remux.h:421
#define TS_ERROR
Definition: remux.h:35
char slangs[MAXSPIDS][MAXLANGCODE2]
Definition: remux.h:370
#define TS_SCRAMBLING_CONTROL
Definition: remux.h:39
#define TS_ADAPT_FIELD_EXISTS
Definition: remux.h:40
void TsSetPid(uchar *p, int Pid)
Definition: remux.h:87
void IncEsInfoLength(int Length)
Definition: remux.c:384
int MakeCRC(uchar *Target, const uchar *Data, int Length)
Definition: remux.c:451
int Ppid(void) const
Returns the PCR pid as defined by the current PMT, or 0 if no PCR pid has been detected,...
Definition: remux.h:406
void BlockDump(const char *Name, const u_char *Data, int Length)
Definition: remux.c:1136
void SetChannel(const cChannel *Channel)
Sets the Channel for which the PAT/PMT shall be generated.
Definition: remux.c:585
void TsSetDts(uchar *p, int l, int64_t Dts)
Definition: remux.c:200
bool AtPayloadStart(void)
Returns true if this payload handler is currently pointing to the first byte of a TS packet that star...
Definition: remux.h:252
bool PesHasPts(const uchar *p)
Definition: remux.h:183
cPatPmtGenerator(const cChannel *Channel=NULL)
Definition: remux.c:361
uchar SetEof(void)
Definition: remux.c:259
int MakeSubtitlingDescriptor(uchar *Target, const char *Language, uchar SubtitlingType, uint16_t CompositionPageId, uint16_t AncillaryPageId)
Definition: remux.c:415
int length
Definition: remux.h:454
void Setup(uchar *Data, int Length, int Pid=-1)
Sets up this TS payload handler with the given Data, which points to a sequence of Length bytes of co...
Definition: remux.c:272
bool isVideo
Definition: remux.h:518
int pmtVersion
Definition: remux.h:358
int numPtsValues
Definition: remux.h:516
bool independentFrame
Definition: remux.h:514
int lastLength
Definition: remux.h:457
int MakeAC3Descriptor(uchar *Target, uchar Type)
Definition: remux.c:405
void GeneratePat(void)
Generates a PAT section for later use with GetPat().
Definition: remux.c:481
bool Find(uint32_t Code)
Searches for the four byte sequence given in Code and returns true if it was found within the payload...
Definition: remux.c:334
int SectionLength(const uchar *Data, int Length)
Definition: remux.h:377
int Available(void)
Returns the number of raw bytes (including any TS headers) still available in the TS payload handler.
Definition: remux.h:255
int MakeStream(uchar *Target, uchar Type, int Pid)
Definition: remux.c:393
int patCounter
Definition: remux.h:303
uchar pmt[MAX_PMT_TS][TS_SIZE]
Definition: remux.h:301
uchar * lastData
Definition: remux.h:456
bool Synced(void)
Returns true if the frame detector has synced on the data stream.
Definition: remux.h:538
bool PesLongEnough(int Length)
Definition: remux.h:163
int64_t TsGetPts(const uchar *p, int l)
Definition: remux.c:160
#define MAX_SECTION_SIZE
Definition: remux.h:295
int TsPid(const uchar *p)
Definition: remux.h:82
cFrameDetector(int Pid=0, int Type=0)
Sets up a frame detector for the given Pid and stream Type.
Definition: remux.c:1613
double framesPerSecond
Definition: remux.h:519
#define TS_PAYLOAD_EXISTS
Definition: remux.h:41
int PesLength(const uchar *p)
Definition: remux.h:173
void TsSetPcr(uchar *p, int64_t Pcr)
Definition: remux.c:131
void PesDump(const char *Name, const u_char *Data, int Length)
Definition: remux.c:1162
int Dpid(int i) const
Definition: remux.h:418
Definition: remux.h:20
int ppid
Definition: remux.h:361
bool GetVersions(int &PatVersion, int &PmtVersion) const
Returns true if a valid PAT/PMT has been parsed and stores the current version numbers in the given v...
Definition: remux.c:936
char dlangs[MAXDPIDS][MAXLANGCODE2]
Definition: remux.h:368
void Reset(void)
Resets the converter.
Definition: remux.c:1126
const int * Apids(void) const
Definition: remux.h:414
bool synced
Definition: remux.h:512
bool PesHasDts(const uchar *p)
Definition: remux.h:188
const char * Alang(int i) const
Definition: remux.h:422
void TsDump(const char *Name, const u_char *Data, int Length)
Definition: remux.c:1147
cPatPmtParser(bool UpdatePrimaryDevice=false)
Definition: remux.c:611
int GetLastIndex(void)
Returns the index into the TS data of the payload byte that has most recently been read.
Definition: remux.c:323
const int * Spids(void) const
Definition: remux.h:416
cTsPayload(void)
Definition: remux.c:246
int dtypes[MAXDPIDS+1]
Definition: remux.h:367
int dpids[MAXDPIDS+1]
Definition: remux.h:366
const char * Dlang(int i) const
Definition: remux.h:423
void PesSetDts(uchar *p, int64_t Dts)
Definition: remux.c:225
void PutTs(const uchar *Data, int Length)
Puts the payload data of the single TS packet at Data into the converter.
Definition: remux.c:1044
int atypes[MAXAPIDS+1]
Definition: remux.h:364
uchar * GetPmt(int &Index)
Returns a pointer to the Index'th TS packet of the PMT section.
Definition: remux.c:600
void TsSetContinuityCounter(uchar *p, uchar Counter)
Definition: remux.h:103
int numPmtPackets
Definition: remux.h:302
uchar * Generate(int Sid)
Definition: remux.c:970
bool Eof(void) const
Returns true if all available bytes of the TS payload have been processed.
Definition: remux.h:262
~cTsToPes()
Definition: remux.c:1039
int TsGetPayload(const uchar **p)
Definition: remux.h:114
int pmtCounter
Definition: remux.h:304
void GeneratePmt(const cChannel *Channel)
Generates a PMT section for the given Channel, for later use with GetPmt().
Definition: remux.c:510
uchar pmt[MAX_SECTION_SIZE]
Definition: remux.h:355
Definition: remux.h:25
int length
Definition: remux.h:229
#define TS_CONT_CNT_MASK
Definition: remux.h:42
uint16_t compositionPageIds[MAXSPIDS]
Definition: remux.h:372
void PesSetPts(uchar *p, int64_t Pts)
Definition: remux.c:216
#define MAXLANGCODE2
Definition: channels.h:37
bool Completed(void)
Returns true if the PMT has been completely parsed.
Definition: remux.h:412
int counter
Definition: remux.h:435
int pmtPids[MAX_PMT_PIDS+1]
Definition: remux.h:359
static void SetBrokenLink(uchar *Data, int Length)
Definition: remux.c:102
uint16_t AncillaryPageId(int i) const
Definition: remux.h:427
bool completed
Definition: remux.h:375
int64_t TsGetPcr(const uchar *p)
Definition: remux.h:124
int patVersion
Definition: remux.h:305
cFrameParser * parser
Definition: remux.h:524
void TsSetPts(uchar *p, int l, int64_t Pts)
Definition: remux.c:186
int numPacketsOther
Definition: remux.h:233
int Vpid(void) const
Returns the video pid as defined by the current PMT, or 0 if no video pid has been detected,...
Definition: remux.h:403
#define MAXDPIDS
Definition: channels.h:32
int spids[MAXSPIDS+1]
Definition: remux.h:369
int version
Definition: remux.h:436
#define MAX_PMT_TS
Definition: remux.h:296
int size
Definition: remux.h:453
#define PCRFACTOR
Definition: remux.h:58
#define MAX_PMT_PIDS
Definition: remux.h:351
bool PesHasLength(const uchar *p)
Definition: remux.h:168
uint16_t CompositionPageId(int i) const
Definition: remux.h:426
int Length(void)
Definition: remux.h:443
bool NewFrame(void)
Returns true if the data given to the last call to Analyze() started a new frame.
Definition: remux.h:540
bool IndependentFrame(void)
Returns true if a new frame was detected and this is an independent frame (i.e.
Definition: remux.h:543
uchar * AddParentalRatingDescriptor(uchar *p, uchar ParentalRating=0)
Definition: remux.c:959
unsigned char u_char
Definition: headers.h:24
bool TsIsScrambled(const uchar *p)
Definition: remux.h:93
int64_t PesGetDts(const uchar *p)
Definition: remux.h:202
ePesHeader
Definition: remux.h:16
void SetByte(uchar Byte, int Index)
Sets the TS data byte at the given Index to the value Byte.
Definition: remux.c:328
uchar * esInfoLength
Definition: remux.h:308
#define TS_PAYLOAD_START
Definition: remux.h:36
bool updatePrimaryDevice
Definition: remux.h:374
void Reset(void)
Definition: remux.c:265
double FramesPerSecond(void)
Returns the number of frames per second, or 0 if this information is not available.
Definition: remux.h:547
#define MAXSPIDS
Definition: channels.h:33
bool newFrame
Definition: remux.h:513
uchar TsContinuityCounter(const uchar *p)
Definition: remux.h:98
void Statistics(void) const
May be called after a new frame has been detected, and will log a warning if the number of TS packets...
Definition: remux.c:351
#define TS_SIZE
Definition: remux.h:34
Definition: remux.h:19
void IncVersion(int &Version)
Definition: remux.c:378
const uchar * GetPes(int &Length)
Gets a pointer to the complete PES packet, or NULL if the packet is not complete yet.
Definition: remux.c:1073
int TsPayloadOffset(const uchar *p)
Definition: remux.h:108
bool scanning
Definition: remux.h:523
int offset
Definition: remux.h:455
#define TS_ADAPT_PCR
Definition: remux.h:46
int TsSync(const uchar *Data, int Length, const char *File=NULL, const char *Function=NULL, int Line=0)
Definition: remux.c:147
int numIFrames
Definition: remux.h:517
void SetRepeatLast(void)
Makes the next call to GetPes() return exactly the same data as the last one (provided there was no c...
Definition: remux.c:1121
bool AtTsStart(void)
Returns true if this payload handler is currently pointing to first byte of a TS packet.
Definition: remux.h:249
cEitGenerator(int Sid=0)
Definition: remux.c:945
#define TS_PID_MASK_HI
Definition: remux.h:38
int64_t PtsDiff(int64_t Pts1, int64_t Pts2)
Returns the difference between two PTS values.
Definition: remux.c:234
void Reset(void)
Resets the parser.
Definition: remux.c:617
int Spid(int i) const
Definition: remux.h:419
uchar * data
Definition: remux.h:452
ePesHeader AnalyzePesHeader(const uchar *Data, int Count, int &PesPayloadOffset, bool *ContinuationHeader=NULL)
Definition: remux.c:32
uchar * GetPat(void)
Returns a pointer to the PAT section, which consists of exactly one TS packet.
Definition: remux.c:594
int patVersion
Definition: remux.h:357
int vtype
Definition: remux.h:362
int pmtVersion
Definition: remux.h:306
bool SkipPesHeader(void)
Skips all bytes belonging to the PES header of the payload.
Definition: remux.c:318
cTsToPes(void)
Definition: remux.c:1032
int apids[MAXAPIDS+1]
Definition: remux.h:363
#define MAXAPIDS
Definition: channels.h:31