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/MPEG2TransportFileServerMediaSubsession.hh | 131 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 131 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2TransportFileServerMediaSubsession.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2TransportFileServerMediaSubsession.hh
new file mode 100644
index 0000000..7ec9439
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG2TransportFileServerMediaSubsession.hh
@@ -0,0 +1,131 @@
+/**********
+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 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
+// on demand, from a MPEG-2 Transport Stream file.
+// C++ header
+
+#ifndef _MPEG2_TRANSPORT_FILE_SERVER_MEDIA_SUBSESSION_HH
+#define _MPEG2_TRANSPORT_FILE_SERVER_MEDIA_SUBSESSION_HH
+
+#ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH
+#include "FileServerMediaSubsession.hh"
+#endif
+#ifndef _MPEG2_TRANSPORT_STREAM_FRAMER_HH
+#include "MPEG2TransportStreamFramer.hh"
+#endif
+#ifndef _BYTE_STREAM_FILE_SOURCE_HH
+#include "ByteStreamFileSource.hh"
+#endif
+#ifndef _MPEG2_TRANSPORT_STREAM_TRICK_MODE_FILTER_HH
+#include "MPEG2TransportStreamTrickModeFilter.hh"
+#endif
+#ifndef _MPEG2_TRANSPORT_STREAM_FROM_ES_SOURCE_HH
+#include "MPEG2TransportStreamFromESSource.hh"
+#endif
+
+class ClientTrickPlayState; // forward
+
+class MPEG2TransportFileServerMediaSubsession: public FileServerMediaSubsession {
+public:
+ static MPEG2TransportFileServerMediaSubsession*
+ createNew(UsageEnvironment& env,
+ char const* dataFileName, char const* indexFileName,
+ Boolean reuseFirstSource);
+
+protected:
+ MPEG2TransportFileServerMediaSubsession(UsageEnvironment& env,
+ char const* fileName,
+ MPEG2TransportStreamIndexFile* indexFile,
+ Boolean reuseFirstSource);
+ // called only by createNew();
+ virtual ~MPEG2TransportFileServerMediaSubsession();
+
+ virtual ClientTrickPlayState* newClientTrickPlayState();
+
+private: // redefined virtual functions
+ // Note that because - to implement 'trick play' operations - we're operating on
+ // more than just the input source, we reimplement some functions that are
+ // already implemented in "OnDemandServerMediaSubsession", rather than
+ // reimplementing "seekStreamSource()" and "setStreamSourceScale()":
+ virtual void startStream(unsigned clientSessionId, void* streamToken,
+ TaskFunc* rtcpRRHandler,
+ void* rtcpRRHandlerClientData,
+ unsigned short& rtpSeqNum,
+ unsigned& rtpTimestamp,
+ ServerRequestAlternativeByteHandler* serverRequestAlternativeByteHandler,
+ void* serverRequestAlternativeByteHandlerClientData);
+ virtual void pauseStream(unsigned clientSessionId, void* streamToken);
+ virtual void seekStream(unsigned clientSessionId, void* streamToken, double& seekNPT, double streamDuration, u_int64_t& numBytes);
+ virtual void setStreamScale(unsigned clientSessionId, void* streamToken, float scale);
+ virtual void deleteStream(unsigned clientSessionId, void*& streamToken);
+
+ // The virtual functions that are usually implemented by "ServerMediaSubsession"s:
+ virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
+ unsigned& estBitrate);
+ virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
+ unsigned char rtpPayloadTypeIfDynamic,
+ FramedSource* inputSource);
+
+ virtual void testScaleFactor(float& scale);
+ virtual float duration() const;
+
+private:
+ ClientTrickPlayState* lookupClient(unsigned clientSessionId);
+
+private:
+ MPEG2TransportStreamIndexFile* fIndexFile;
+ float fDuration;
+ HashTable* fClientSessionHashTable; // indexed by client session id
+};
+
+
+// This class encapsulates the 'trick play' state for each current client (for
+// a given "MPEG2TransportFileServerMediaSubsession" - i.e., Transport Stream file).
+// It is used only within the implementation of "MPEG2TransportFileServerMediaSubsession", but is included here,
+// in case subclasses of "MPEG2TransportFileServerMediaSubsession" want to use it.
+
+class ClientTrickPlayState {
+public:
+ ClientTrickPlayState(MPEG2TransportStreamIndexFile* indexFile);
+
+ // Functions to bring "fNPT", "fTSRecordNum" and "fIxRecordNum" in sync:
+ unsigned long updateStateFromNPT(double npt, double seekDuration);
+ void updateStateOnScaleChange();
+ void updateStateOnPlayChange(Boolean reverseToPreviousVSH);
+
+ void handleStreamDeletion();
+ void setSource(MPEG2TransportStreamFramer* framer);
+
+ void setNextScale(float nextScale) { fNextScale = nextScale; }
+ Boolean areChangingScale() const { return fNextScale != fScale; }
+
+protected:
+ void updateTSRecordNum();
+ void reseekOriginalTransportStreamSource();
+
+protected:
+ MPEG2TransportStreamIndexFile* fIndexFile;
+ ByteStreamFileSource* fOriginalTransportStreamSource;
+ MPEG2TransportStreamTrickModeFilter* fTrickModeFilter;
+ MPEG2TransportStreamFromESSource* fTrickPlaySource;
+ MPEG2TransportStreamFramer* fFramer;
+ float fScale, fNextScale, fNPT;
+ unsigned long fTSRecordNum, fIxRecordNum;
+};
+
+#endif
--
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