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TheoraVideoRTPSink.hh
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12 You should have received a copy of the GNU Lesser General Public License
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15 **********/
16 // "liveMedia"
17 // Copyright (c) 1996-2021 Live Networks, Inc. All rights reserved.
18 // RTP sink for Theora video
19 // C++ header
20 
21 #ifndef _THEORA_VIDEO_RTP_SINK_HH
22 #define _THEORA_VIDEO_RTP_SINK_HH
23 
24 #ifndef _VIDEO_RTP_SINK_HH
25 #include "VideoRTPSink.hh"
26 #endif
27 
29 public:
30  static TheoraVideoRTPSink*
31  createNew(UsageEnvironment& env, Groupsock* RTPgs, u_int8_t rtpPayloadFormat,
32  // The following headers provide the 'configuration' information, for the SDP description:
33  u_int8_t* identificationHeader, unsigned identificationHeaderSize,
34  u_int8_t* commentHeader, unsigned commentHeaderSize,
35  u_int8_t* setupHeader, unsigned setupHeaderSize,
36  u_int32_t identField = 0xFACADE);
37 
38  static TheoraVideoRTPSink*
39  createNew(UsageEnvironment& env, Groupsock* RTPgs, u_int8_t rtpPayloadFormat,
40  char const* configStr);
41  // an optional variant of "createNew()" that takes a Base-64-encoded 'configuration' string,
42  // rather than the raw configuration headers as parameter.
43 
44 protected:
46  u_int8_t rtpPayloadFormat,
47  u_int8_t* identificationHeader, unsigned identificationHeaderSize,
48  u_int8_t* commentHeader, unsigned commentHeaderSize,
49  u_int8_t* setupHeader, unsigned setupHeaderSize,
50  u_int32_t identField);
51  // called only by createNew()
52 
54 
55 private: // redefined virtual functions:
56  virtual char const* auxSDPLine(); // for the "a=fmtp:" SDP line
57 
58  virtual void doSpecialFrameHandling(unsigned fragmentationOffset,
59  unsigned char* frameStart,
60  unsigned numBytesInFrame,
61  struct timeval framePresentationTime,
62  unsigned numRemainingBytes);
63  virtual Boolean frameCanAppearAfterPacketStart(unsigned char const* frameStart,
64  unsigned numBytesInFrame) const;
65  virtual unsigned specialHeaderSize() const;
66 
67 private:
68  u_int32_t fIdent; // "Ident" field used by this stream. (Only the low 24 bits of this are used.)
69  char* fFmtpSDPLine;
70 };
71 
72 #endif
unsigned char Boolean
Definition: Boolean.hh:25
virtual Boolean frameCanAppearAfterPacketStart(unsigned char const *frameStart, unsigned numBytesInFrame) const
virtual char const * auxSDPLine()
virtual void doSpecialFrameHandling(unsigned fragmentationOffset, unsigned char *frameStart, unsigned numBytesInFrame, struct timeval framePresentationTime, unsigned numRemainingBytes)
static TheoraVideoRTPSink * createNew(UsageEnvironment &env, Groupsock *RTPgs, u_int8_t rtpPayloadFormat, u_int8_t *identificationHeader, unsigned identificationHeaderSize, u_int8_t *commentHeader, unsigned commentHeaderSize, u_int8_t *setupHeader, unsigned setupHeaderSize, u_int32_t identField=0xFACADE)
virtual ~TheoraVideoRTPSink()
static TheoraVideoRTPSink * createNew(UsageEnvironment &env, Groupsock *RTPgs, u_int8_t rtpPayloadFormat, char const *configStr)
virtual unsigned specialHeaderSize() const
TheoraVideoRTPSink(UsageEnvironment &env, Groupsock *RTPgs, u_int8_t rtpPayloadFormat, u_int8_t *identificationHeader, unsigned identificationHeaderSize, u_int8_t *commentHeader, unsigned commentHeaderSize, u_int8_t *setupHeader, unsigned setupHeaderSize, u_int32_t identField)