xuxiuxi
2017-04-24 c34f11fb7407594f7c1eb69b11f84a45d13cfa1a
VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/H263plusVideoRTPSink.hh
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/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
**********/
// "liveMedia"
// Copyright (c) 1996-2017 Live Networks, Inc.  All rights reserved.
// RTP sink for H.263+ video (RFC 4629)
// C++ header
#ifndef _H263_PLUS_VIDEO_RTP_SINK_HH
#define _H263_PLUS_VIDEO_RTP_SINK_HH
#ifndef _VIDEO_RTP_SINK_HH
#include "VideoRTPSink.hh"
#endif
class H263plusVideoRTPSink: public VideoRTPSink {
public:
  static H263plusVideoRTPSink* createNew(UsageEnvironment& env, Groupsock* RTPgs,
                unsigned char rtpPayloadFormat,
                u_int32_t rtpTimestampFrequency = 90000);
protected:
  H263plusVideoRTPSink(UsageEnvironment& env, Groupsock* RTPgs,
             unsigned char rtpPayloadFormat,
             u_int32_t rtpTimestampFrequency);
   // called only by createNew()
  virtual ~H263plusVideoRTPSink();
private: // redefined virtual functions:
  virtual void doSpecialFrameHandling(unsigned fragmentationOffset,
                                      unsigned char* frameStart,
                                      unsigned numBytesInFrame,
                                      struct timeval framePresentationTime,
                                      unsigned numRemainingBytes);
  virtual
  Boolean frameCanAppearAfterPacketStart(unsigned char const* frameStart,
                unsigned numBytesInFrame) const;
  virtual unsigned specialHeaderSize() const;
};
#endif