//
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// H264FramedSource.cpp
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// FFmpegRTSPServer
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//
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// Created by Mina Saad on 9/22/15.
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// Copyright (c) 2015 Mina Saad. All rights reserved.
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//
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#include <sstream>
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#include "H264FramedSource.h"
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using namespace MESAI;
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H264FramedSource * H264FramedSource::createNew(UsageEnvironment& env, const FrameCallbacks& _cbs)
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{
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return new H264FramedSource(env, _cbs);
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}
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H264FramedSource::H264FramedSource(UsageEnvironment& env, const FrameCallbacks& _cbs)
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: FramedSource(env), spsBase64(), ppsBase64(), cbs(_cbs)
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{
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}
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H264FramedSource::~H264FramedSource()
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{
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}
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std::string H264FramedSource::getAuxLine() const
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{
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std::ostringstream oss;
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//a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AHpW4KA9oQAABwgAAV+QB,aO48gA==
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oss << "a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=" << spsBase64 << "," << ppsBase64 << "\r\n";
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return oss.str();
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}
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void H264FramedSource::doGetNextFrame()
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{
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if (!isCurrentlyAwaitingData())
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return; // we're not ready for the data yet
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uint8_t* newFrameDataStart = nullptr;
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size_t newFrameSize = 0;
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if (cbs.deliverFrameCallback(cbs.args, newFrameDataStart, newFrameSize, fPresentationTime))
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{
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if (newFrameDataStart != NULL && newFrameSize > 0)
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{
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if (newFrameSize > fMaxSize)
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{
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fFrameSize = fMaxSize;
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fNumTruncatedBytes = newFrameSize - fMaxSize;
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}
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else
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{
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fFrameSize = newFrameSize;
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}
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memcpy(fTo, newFrameDataStart, fFrameSize);
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}
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else
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{
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fFrameSize = 0;
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fTo = NULL;
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handleClosure(this);
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}
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cbs.releaseFrameCallback(cbs.args);
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}
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else
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{
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fFrameSize = 0;
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}
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if(fFrameSize > 0)
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FramedSource::afterGetting(this);
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}
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