72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
/**********
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This library is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**********/
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// "liveMedia"
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// Copyright (c) 1996-2024 Live Networks, Inc. All rights reserved.
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// RTP sink for Raw video
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// C++ header
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#ifndef _RAW_VIDEO_RTP_SINK_HH
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#define _RAW_VIDEO_RTP_SINK_HH
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#ifndef _VIDEO_RTP_SINK_HH
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#include "VideoRTPSink.hh"
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#endif
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#ifndef _RAW_VIDEO_FRAME_PARAMETERS_HH
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#include "RawVideoFrameParameters.hh"
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#endif
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class LIVEMEDIA_API RawVideoRTPSink: public VideoRTPSink {
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public:
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static RawVideoRTPSink*
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createNew(UsageEnvironment& env, Groupsock* RTPgs, u_int8_t rtpPayloadFormat,
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unsigned width, unsigned height, unsigned depth, // as defined by RFC 4175, sec 6.1
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char const* sampling, char const* colorimetry);
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protected:
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RawVideoRTPSink(UsageEnvironment& env, Groupsock* RTPgs,
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u_int8_t rtpPayloadFormat,
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unsigned width, unsigned height, unsigned depth,
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char const* sampling, char const* colorimetry);
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// called only by createNew()
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virtual ~RawVideoRTPSink();
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private: // redefined virtual functions:
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virtual char const* auxSDPLine(); // for the "a=fmtp:" SDP line
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virtual void doSpecialFrameHandling(unsigned fragmentationOffset,
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unsigned char* frameStart,
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unsigned numBytesInFrame,
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struct timeval framePresentationTime,
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unsigned numRemainingBytes);
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virtual Boolean frameCanAppearAfterPacketStart(unsigned char const* frameStart,
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unsigned numBytesInFrame) const;
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virtual unsigned specialHeaderSize() const;
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virtual unsigned computeOverflowForNewFrame(unsigned newFrameSize) const;
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private:
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char* fFmtpSDPLine;
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unsigned fLineIndex;
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RawVideoFrameParameters fP;
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unsigned getNumLinesInPacket(unsigned fragOffset, u_int16_t*& lengths, u_int16_t*& offsets) const;
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// return the number of lines, their lengths and offsets from the fragmentation offset of the whole frame.
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// call delete[] on lengths and offsets after use of the function
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};
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#endif
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