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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. |
| | | // A sink representing a TCP output stream |
| | | // C++ header |
| | | |
| | | #ifndef _TCP_STREAM_SINK_HH |
| | | #define _TCP_STREAM_SINK_HH |
| | | |
| | | #ifndef _MEDIA_SINK_HH |
| | | #include "MediaSink.hh" |
| | | #endif |
| | | |
| | | #define TCP_STREAM_SINK_BUFFER_SIZE 10000 |
| | | |
| | | class TCPStreamSink: public MediaSink { |
| | | public: |
| | | static TCPStreamSink* createNew(UsageEnvironment& env, int socketNum); |
| | | // "socketNum" is the socket number of an existing, writable TCP socket (which should be non-blocking). |
| | | // The caller is responsible for closing this socket later (when this object no longer exists). |
| | | |
| | | protected: |
| | | TCPStreamSink(UsageEnvironment& env, int socketNum); // called only by "createNew()" |
| | | virtual ~TCPStreamSink(); |
| | | |
| | | protected: |
| | | // Redefined virtual functions: |
| | | virtual Boolean continuePlaying(); |
| | | |
| | | private: |
| | | void processBuffer(); // common routine, called from both the 'socket writable' and 'incoming data' handlers below |
| | | |
| | | static void socketWritableHandler(void* clientData, int mask); |
| | | void socketWritableHandler1(); |
| | | |
| | | static void afterGettingFrame(void* clientData, unsigned frameSize, unsigned numTruncatedBytes, |
| | | struct timeval /*presentationTime*/, unsigned /*durationInMicroseconds*/); |
| | | void afterGettingFrame(unsigned frameSize, unsigned numTruncatedBytes); |
| | | |
| | | static void ourOnSourceClosure(void* clientData); |
| | | void ourOnSourceClosure1(); |
| | | |
| | | unsigned numUnwrittenBytes() const { return fUnwrittenBytesEnd - fUnwrittenBytesStart; } |
| | | unsigned freeBufferSpace() const { return TCP_STREAM_SINK_BUFFER_SIZE - fUnwrittenBytesEnd; } |
| | | |
| | | private: |
| | | unsigned char fBuffer[TCP_STREAM_SINK_BUFFER_SIZE]; |
| | | unsigned fUnwrittenBytesStart, fUnwrittenBytesEnd; |
| | | Boolean fInputSourceIsOpen, fOutputSocketIsWritable; |
| | | int fOutputSocketNum; |
| | | }; |
| | | |
| | | #endif |