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/MPEG1or2VideoRTPSink.hh | 69 ++++++++++++++++++++++++++++++++++
1 files changed, 69 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2VideoRTPSink.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2VideoRTPSink.hh
new file mode 100644
index 0000000..e530c76
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2VideoRTPSink.hh
@@ -0,0 +1,69 @@
+/**********
+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.
+// RTP sink for MPEG video (RFC 2250)
+// C++ header
+
+#ifndef _MPEG_1OR2_VIDEO_RTP_SINK_HH
+#define _MPEG_1OR2_VIDEO_RTP_SINK_HH
+
+#ifndef _VIDEO_RTP_SINK_HH
+#include "VideoRTPSink.hh"
+#endif
+
+class MPEG1or2VideoRTPSink: public VideoRTPSink {
+public:
+ static MPEG1or2VideoRTPSink* createNew(UsageEnvironment& env, Groupsock* RTPgs);
+
+protected:
+ MPEG1or2VideoRTPSink(UsageEnvironment& env, Groupsock* RTPgs);
+ // called only by createNew()
+
+ virtual ~MPEG1or2VideoRTPSink();
+
+private: // redefined virtual functions:
+ virtual Boolean sourceIsCompatibleWithUs(MediaSource& source);
+
+ virtual void doSpecialFrameHandling(unsigned fragmentationOffset,
+ unsigned char* frameStart,
+ unsigned numBytesInFrame,
+ struct timeval framePresentationTime,
+ unsigned numRemainingBytes);
+ virtual Boolean allowFragmentationAfterStart() const;
+ virtual
+ Boolean frameCanAppearAfterPacketStart(unsigned char const* frameStart,
+ unsigned numBytesInFrame) const;
+ virtual unsigned specialHeaderSize() const;
+
+private:
+ // MPEG video-specific state, used to decide how to fill out the
+ // video-specific header, and when to include multiple 'frames' in a
+ // single outgoing RTP packet. Eventually we should somehow get this
+ // state from the source (MPEG1or2VideoStreamFramer) instead, as the source
+ // already has this info itself.
+ struct {
+ unsigned temporal_reference;
+ unsigned char picture_coding_type;
+ unsigned char vector_code_bits; // FBV,BFC,FFV,FFC from RFC 2250, sec. 3.4
+ } fPictureState;
+ Boolean fPreviousFrameWasSlice;
+ // used to implement frameCanAppearAfterPacketStart()
+ Boolean fSequenceHeaderPresent;
+ Boolean fPacketBeginsSlice, fPacketEndsSlice;
+};
+
+#endif
--
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