From 15d0c49e85159b9e27870aff5280c0cd95b103c4 Mon Sep 17 00:00:00 2001
From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期四, 04 五月 2017 17:16:56 +0800
Subject: [PATCH]
---
VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/StreamReplicator.hh | 84 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 84 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/StreamReplicator.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/StreamReplicator.hh
new file mode 100644
index 0000000..9814389
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/StreamReplicator.hh
@@ -0,0 +1,84 @@
+/**********
+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.
+// An class that can be used to create (possibly multiple) 'replicas' of an incoming stream.
+// C++ header
+
+#ifndef _STREAM_REPLICATOR_HH
+#define _STREAM_REPLICATOR_HH
+
+#ifndef _FRAMED_SOURCE_HH
+#include "FramedSource.hh"
+#endif
+
+class StreamReplica; // forward
+
+class StreamReplicator: public Medium {
+public:
+ static StreamReplicator* createNew(UsageEnvironment& env, FramedSource* inputSource, Boolean deleteWhenLastReplicaDies = True);
+ // If "deleteWhenLastReplicaDies" is True (the default), then the "StreamReplicator" object is deleted when (and only when)
+ // all replicas have been deleted. (In this case, you must *not* call "Medium::close()" on the "StreamReplicator" object,
+ // unless you never created any replicas from it to begin with.)
+ // If "deleteWhenLastReplicaDies" is False, then the "StreamReplicator" object remains in existence, even when all replicas
+ // have been deleted. (This allows you to create new replicas later, if you wish.) In this case, you delete the
+ // "StreamReplicator" object by calling "Medium::close()" on it - but you must do so only when "numReplicas()" returns 0.
+
+ FramedSource* createStreamReplica();
+
+ unsigned numReplicas() const { return fNumReplicas; }
+
+ FramedSource* inputSource() const { return fInputSource; }
+
+ // Call before destruction if you want to prevent the destructor from closing the input source
+ void detachInputSource() { fInputSource = NULL; }
+
+protected:
+ StreamReplicator(UsageEnvironment& env, FramedSource* inputSource, Boolean deleteWhenLastReplicaDies);
+ // called only by "createNew()"
+ virtual ~StreamReplicator();
+
+private:
+ // Routines called by replicas to implement frame delivery, and the stopping/restarting/deletion of replicas:
+ friend class StreamReplica;
+ void getNextFrame(StreamReplica* replica);
+ void deactivateStreamReplica(StreamReplica* replica);
+ void removeStreamReplica(StreamReplica* replica);
+
+private:
+ static void afterGettingFrame(void* clientData, unsigned frameSize,
+ unsigned numTruncatedBytes,
+ struct timeval presentationTime,
+ unsigned durationInMicroseconds);
+ void afterGettingFrame(unsigned frameSize, unsigned numTruncatedBytes,
+ struct timeval presentationTime, unsigned durationInMicroseconds);
+
+ static void onSourceClosure(void* clientData);
+ void onSourceClosure();
+
+ void deliverReceivedFrame();
+
+private:
+ FramedSource* fInputSource;
+ Boolean fDeleteWhenLastReplicaDies, fInputSourceHasClosed;
+ unsigned fNumReplicas, fNumActiveReplicas, fNumDeliveriesMadeSoFar;
+ int fFrameIndex; // 0 or 1; used to figure out if a replica is requesting the current frame, or the next frame
+
+ StreamReplica* fMasterReplica; // the first replica that requests each frame. We use its buffer when copying to the others.
+ StreamReplica* fReplicasAwaitingCurrentFrame; // other than the 'master' replica
+ StreamReplica* fReplicasAwaitingNextFrame; // replicas that have already received the current frame, and have asked for the next
+};
+#endif
--
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