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/MPEG1or2VideoStreamDiscreteFramer.hh | 76 ++++++++++++++++++++++++++++++++++++++
1 files changed, 76 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2VideoStreamDiscreteFramer.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2VideoStreamDiscreteFramer.hh
new file mode 100644
index 0000000..25c3af9
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2VideoStreamDiscreteFramer.hh
@@ -0,0 +1,76 @@
+/**********
+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 simplified version of "MPEG1or2VideoStreamFramer" that takes only
+// complete, discrete frames (rather than an arbitrary byte stream) as input.
+// This avoids the parsing and data copying overhead of the full
+// "MPEG1or2VideoStreamFramer".
+// C++ header
+
+#ifndef _MPEG1or2_VIDEO_STREAM_DISCRETE_FRAMER_HH
+#define _MPEG1or2_VIDEO_STREAM_DISCRETE_FRAMER_HH
+
+#ifndef _MPEG1or2_VIDEO_STREAM_FRAMER_HH
+#include "MPEG1or2VideoStreamFramer.hh"
+#endif
+
+#define VSH_MAX_SIZE 1000
+
+class MPEG1or2VideoStreamDiscreteFramer: public MPEG1or2VideoStreamFramer {
+public:
+ static MPEG1or2VideoStreamDiscreteFramer*
+ createNew(UsageEnvironment& env, FramedSource* inputSource,
+ Boolean iFramesOnly = False, // see MPEG1or2VideoStreamFramer.hh
+ double vshPeriod = 5.0, // see MPEG1or2VideoStreamFramer.hh
+ Boolean leavePresentationTimesUnmodified = False);
+
+protected:
+ MPEG1or2VideoStreamDiscreteFramer(UsageEnvironment& env,
+ FramedSource* inputSource,
+ Boolean iFramesOnly, double vshPeriod, Boolean leavePresentationTimesUnmodified);
+ // called only by createNew()
+ virtual ~MPEG1or2VideoStreamDiscreteFramer();
+
+protected:
+ // redefined virtual functions:
+ virtual void doGetNextFrame();
+
+protected:
+ 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);
+
+protected:
+ Boolean fLeavePresentationTimesUnmodified;
+ struct timeval fLastNonBFramePresentationTime;
+ unsigned fLastNonBFrameTemporal_reference;
+
+ // A saved copy of the most recently seen 'video_sequence_header',
+ // in case we need to insert it into the stream periodically:
+ unsigned char fSavedVSHBuffer[VSH_MAX_SIZE];
+ unsigned fSavedVSHSize;
+ double fSavedVSHTimestamp;
+ Boolean fIFramesOnly;
+ double fVSHPeriod;
+};
+
+#endif
--
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