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/MPEGVideoStreamFramer.hh | 85 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 85 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEGVideoStreamFramer.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEGVideoStreamFramer.hh
new file mode 100644
index 0000000..a35c71a
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEGVideoStreamFramer.hh
@@ -0,0 +1,85 @@
+/**********
+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 breaks up an MPEG video elementary stream into
+// headers and frames
+// C++ header
+
+#ifndef _MPEG_VIDEO_STREAM_FRAMER_HH
+#define _MPEG_VIDEO_STREAM_FRAMER_HH
+
+#ifndef _FRAMED_FILTER_HH
+#include "FramedFilter.hh"
+#endif
+
+class TimeCode {
+public:
+ TimeCode();
+ virtual ~TimeCode();
+
+ int operator==(TimeCode const& arg2);
+ unsigned days, hours, minutes, seconds, pictures;
+};
+
+class MPEGVideoStreamFramer: public FramedFilter {
+public:
+ Boolean& pictureEndMarker() { return fPictureEndMarker; }
+ // a hack for implementing the RTP 'M' bit
+
+ void flushInput(); // called if there is a discontinuity (seeking) in the input
+
+protected:
+ MPEGVideoStreamFramer(UsageEnvironment& env, FramedSource* inputSource);
+ // we're an abstract base class
+ virtual ~MPEGVideoStreamFramer();
+
+ void computePresentationTime(unsigned numAdditionalPictures);
+ // sets "fPresentationTime"
+ void setTimeCode(unsigned hours, unsigned minutes, unsigned seconds,
+ unsigned pictures, unsigned picturesSinceLastGOP);
+
+private: // redefined virtual functions
+ virtual void doGetNextFrame();
+ virtual void doStopGettingFrames();
+
+private:
+ void reset();
+
+ static void continueReadProcessing(void* clientData,
+ unsigned char* ptr, unsigned size,
+ struct timeval presentationTime);
+ void continueReadProcessing();
+
+protected:
+ double fFrameRate; // Note: For MPEG-4, this is really a 'tick rate'
+ unsigned fPictureCount; // hack used to implement doGetNextFrame()
+ Boolean fPictureEndMarker;
+ struct timeval fPresentationTimeBase;
+
+ // parsing state
+ class MPEGVideoStreamParser* fParser;
+ friend class MPEGVideoStreamParser; // hack
+
+private:
+ TimeCode fCurGOPTimeCode, fPrevGOPTimeCode;
+ unsigned fPicturesAdjustment;
+ double fPictureTimeBase;
+ unsigned fTcSecsBase;
+ Boolean fHaveSeenFirstTimeCode;
+};
+
+#endif
--
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