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/BitVector.hh | 66 +++++++++++++++++++++++++++++++++
1 files changed, 66 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/BitVector.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/BitVector.hh
new file mode 100644
index 0000000..8c7bb7e
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/BitVector.hh
@@ -0,0 +1,66 @@
+/**********
+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.
+// Bit Vector data structure
+// C++ header
+
+#ifndef _BIT_VECTOR_HH
+#define _BIT_VECTOR_HH
+
+#ifndef _BOOLEAN_HH
+#include "Boolean.hh"
+#endif
+
+class BitVector {
+public:
+ BitVector(unsigned char* baseBytePtr,
+ unsigned baseBitOffset,
+ unsigned totNumBits);
+
+ void setup(unsigned char* baseBytePtr,
+ unsigned baseBitOffset,
+ unsigned totNumBits);
+
+ void putBits(unsigned from, unsigned numBits); // "numBits" <= 32
+ void put1Bit(unsigned bit);
+
+ unsigned getBits(unsigned numBits); // "numBits" <= 32
+ unsigned get1Bit();
+ Boolean get1BitBoolean() { return get1Bit() != 0; }
+
+ void skipBits(unsigned numBits);
+
+ unsigned curBitIndex() const { return fCurBitIndex; }
+ unsigned totNumBits() const { return fTotNumBits; }
+ unsigned numBitsRemaining() const { return fTotNumBits - fCurBitIndex; }
+
+ unsigned get_expGolomb();
+ // Returns the value of the next bits, assuming that they were encoded using an exponential-Golomb code of order 0
+
+private:
+ unsigned char* fBaseBytePtr;
+ unsigned fBaseBitOffset;
+ unsigned fTotNumBits;
+ unsigned fCurBitIndex;
+};
+
+// A general bit copy operation:
+void shiftBits(unsigned char* toBasePtr, unsigned toBitOffset,
+ unsigned char const* fromBasePtr, unsigned fromBitOffset,
+ unsigned numBits);
+
+#endif
--
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