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80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/* ---------------------------------------------------------------------------
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** This software is in the public domain, furnished "as is", without technical
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** support, and with no warranty, express or implied, as to its usefulness for
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** any purpose.
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**
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** ServerMediaSubsession.h
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**
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** -------------------------------------------------------------------------*/
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#pragma once
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#include <map>
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#include "UnicastServerMediaSubsession.h"
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// -----------------------------------------
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// ServerMediaSubsession for HLS
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// -----------------------------------------
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class HLSServerMediaSubsession : public UnicastServerMediaSubsession
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{
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class HLSSink : public MediaSink
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{
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public:
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static HLSSink* createNew(UsageEnvironment& env, unsigned int bufferSize, unsigned int sliceDuration)
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{
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return new HLSSink(env, bufferSize, sliceDuration);
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}
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protected:
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HLSSink(UsageEnvironment& env, unsigned bufferSize, unsigned int sliceDuration);
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virtual ~HLSSink();
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virtual Boolean continuePlaying();
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static void afterGettingFrame(void* clientData, unsigned frameSize,
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unsigned numTruncatedBytes,
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struct timeval presentationTime,
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unsigned durationInMicroseconds) {
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HLSSink* sink = (HLSSink*)clientData;
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sink->afterGettingFrame(frameSize, numTruncatedBytes, presentationTime);
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}
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void afterGettingFrame(unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime);
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public:
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unsigned int getHLSBufferSize(unsigned int slice);
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std::string getHLSBuffer(unsigned int slice);
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unsigned int firstTime();
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unsigned int duration();
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unsigned int getSliceDuration() { return m_sliceDuration; }
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private:
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unsigned char * m_buffer;
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unsigned int m_bufferSize;
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std::map<unsigned int,std::string> m_outputBuffers;
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unsigned int m_refTime;
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unsigned int m_sliceDuration;
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};
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public:
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static HLSServerMediaSubsession* createNew(UsageEnvironment& env, StreamReplicator* replicator, const std::string& format, unsigned int sliceDuration)
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{
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return new HLSServerMediaSubsession(env, replicator, format, sliceDuration);
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}
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protected:
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HLSServerMediaSubsession(UsageEnvironment& env, StreamReplicator* replicator, const std::string& format, unsigned int sliceDuration);
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virtual ~HLSServerMediaSubsession();
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virtual float getCurrentNPT(void* streamToken);
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virtual float duration() const ;
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virtual void seekStream(unsigned clientSessionId, void* streamToken, double& seekNPT, double streamDuration, u_int64_t& numBytes);
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virtual FramedSource* getStreamSource(void* streamToken);
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protected:
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unsigned int m_slice;
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HLSSink * m_hlsSink;
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};
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