From 9e5babf9db52e64bdae60137be7696e56241fca6 Mon Sep 17 00:00:00 2001
From: xingzilong <xingzilong@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期五, 18 八月 2017 18:12:17 +0800
Subject: [PATCH] H264 NALU解析 并在RTSPServer判断
---
VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2IndexFromTransportStream.hh | 95 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 95 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2IndexFromTransportStream.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2IndexFromTransportStream.hh
new file mode 100644
index 0000000..53052e4
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2IndexFromTransportStream.hh
@@ -0,0 +1,95 @@
+/**********
+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 filter that produces a sequence of I-frame indices from a MPEG-2 Transport Stream
+// C++ header
+
+#ifndef _MPEG2_IFRAME_INDEX_FROM_TRANSPORT_STREAM_HH
+#define _MPEG2_IFRAME_INDEX_FROM_TRANSPORT_STREAM_HH
+
+#ifndef _FRAMED_FILTER_HH
+#include "FramedFilter.hh"
+#endif
+
+#ifndef TRANSPORT_PACKET_SIZE
+#define TRANSPORT_PACKET_SIZE 188
+#endif
+
+#ifndef MAX_PES_PACKET_SIZE
+#define MAX_PES_PACKET_SIZE 65536
+#endif
+
+class IndexRecord; // forward
+
+class MPEG2IFrameIndexFromTransportStream: public FramedFilter {
+public:
+ static MPEG2IFrameIndexFromTransportStream*
+ createNew(UsageEnvironment& env, FramedSource* inputSource);
+
+protected:
+ MPEG2IFrameIndexFromTransportStream(UsageEnvironment& env,
+ FramedSource* inputSource);
+ // called only by createNew()
+ virtual ~MPEG2IFrameIndexFromTransportStream();
+
+private:
+ // Redefined virtual functions:
+ virtual void doGetNextFrame();
+
+private:
+ static void afterGettingFrame(void* clientData, unsigned frameSize,
+ unsigned numTruncatedBytes,
+ struct timeval presentationTime,
+ unsigned durationInMicroseconds);
+ void afterGettingFrame1(unsigned frameSize,
+ unsigned numTruncatedBytes,
+ struct timeval presentationTime,
+ unsigned durationInMicroseconds);
+
+ static void handleInputClosure(void* clientData);
+ void handleInputClosure1();
+
+ void analyzePAT(unsigned char* pkt, unsigned size);
+ void analyzePMT(unsigned char* pkt, unsigned size);
+
+ Boolean deliverIndexRecord();
+ Boolean parseFrame();
+ Boolean parseToNextCode(unsigned char& nextCode);
+ void compactParseBuffer();
+ void addToTail(IndexRecord* newIndexRecord);
+
+private:
+ Boolean fIsH264; // True iff the video is H.264 (encapsulated in a Transport Stream)
+ Boolean fIsH265; // True iff the video is H.265 (encapsulated in a Transport Stream)
+ unsigned long fInputTransportPacketCounter;
+ unsigned fClosureNumber;
+ u_int8_t fLastContinuityCounter;
+ float fFirstPCR, fLastPCR;
+ Boolean fHaveSeenFirstPCR;
+ u_int16_t fPMT_PID, fVideo_PID;
+ // Note: We assume: 1 program per Transport Stream; 1 video stream per program
+ unsigned char fInputBuffer[TRANSPORT_PACKET_SIZE];
+ unsigned char* fParseBuffer;
+ unsigned fParseBufferSize;
+ unsigned fParseBufferFrameStart;
+ unsigned fParseBufferParseEnd;
+ unsigned fParseBufferDataEnd;
+ IndexRecord* fHeadIndexRecord;
+ IndexRecord* fTailIndexRecord;
+};
+
+#endif
--
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