From 9e5babf9db52e64bdae60137be7696e56241fca6 Mon Sep 17 00:00:00 2001
From: xingzilong <xingzilong@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期五, 18 八月 2017 18:12:17 +0800
Subject: [PATCH] H264 NALU解析  并在RTSPServer判断

---
 VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/uLawAudioFilter.hh |  208 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 208 insertions(+), 0 deletions(-)

diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/uLawAudioFilter.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/uLawAudioFilter.hh
new file mode 100644
index 0000000..c21947c
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/uLawAudioFilter.hh
@@ -0,0 +1,208 @@
+/**********
+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.
+// Filters for converting between raw PCM audio and uLaw
+// C++ header
+
+#ifndef _ULAW_AUDIO_FILTER_HH
+#define _ULAW_AUDIO_FILTER_HH
+
+#ifndef _FRAMED_FILTER_HH
+#include "FramedFilter.hh"
+#endif
+
+////////// 16-bit PCM (in various byte orderings) -> 8-bit u-Law //////////
+
+class uLawFromPCMAudioSource: public FramedFilter {
+public:
+  static uLawFromPCMAudioSource*
+  createNew(UsageEnvironment& env, FramedSource* inputSource,
+	    int byteOrdering = 0);
+  // "byteOrdering" == 0 => host order (the default)
+  // "byteOrdering" == 1 => little-endian order
+  // "byteOrdering" == 2 => network (i.e., big-endian) order
+
+protected:
+  uLawFromPCMAudioSource(UsageEnvironment& env, FramedSource* inputSource,
+			 int byteOrdering);
+      // called only by createNew()
+  virtual ~uLawFromPCMAudioSource();
+
+private:
+  // Redefined virtual functions:
+  virtual void doGetNextFrame();
+
+private:
+  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);
+
+private:
+  int fByteOrdering;
+  unsigned char* fInputBuffer;
+  unsigned fInputBufferSize;
+};
+
+
+////////// u-Law -> 16-bit PCM (in host order) //////////
+
+class PCMFromuLawAudioSource: public FramedFilter {
+public:
+  static PCMFromuLawAudioSource*
+  createNew(UsageEnvironment& env, FramedSource* inputSource);
+
+protected:
+  PCMFromuLawAudioSource(UsageEnvironment& env,
+			 FramedSource* inputSource);
+      // called only by createNew()
+  virtual ~PCMFromuLawAudioSource();
+
+private:
+  // Redefined virtual functions:
+  virtual void doGetNextFrame();
+
+private:
+  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);
+
+private:
+  unsigned char* fInputBuffer;
+  unsigned fInputBufferSize;
+};
+
+
+////////// 16-bit values (in host order) -> 16-bit network order //////////
+
+class NetworkFromHostOrder16: public FramedFilter {
+public:
+  static NetworkFromHostOrder16*
+  createNew(UsageEnvironment& env, FramedSource* inputSource);
+
+protected:
+  NetworkFromHostOrder16(UsageEnvironment& env, FramedSource* inputSource);
+      // called only by createNew()
+  virtual ~NetworkFromHostOrder16();
+
+private:
+  // Redefined virtual functions:
+  virtual void doGetNextFrame();
+
+private:
+  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);
+};
+
+
+////////// 16-bit values (in network order) -> 16-bit host order //////////
+
+class HostFromNetworkOrder16: public FramedFilter {
+public:
+  static HostFromNetworkOrder16*
+  createNew(UsageEnvironment& env, FramedSource* inputSource);
+
+protected:
+  HostFromNetworkOrder16(UsageEnvironment& env, FramedSource* inputSource);
+      // called only by createNew()
+  virtual ~HostFromNetworkOrder16();
+
+private:
+  // Redefined virtual functions:
+  virtual void doGetNextFrame();
+
+private:
+  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);
+};
+
+
+////////// 16-bit values: little-endian <-> big-endian //////////
+
+class EndianSwap16: public FramedFilter {
+public:
+  static EndianSwap16* createNew(UsageEnvironment& env, FramedSource* inputSource);
+
+protected:
+  EndianSwap16(UsageEnvironment& env, FramedSource* inputSource);
+      // called only by createNew()
+  virtual ~EndianSwap16();
+
+private:
+  // Redefined virtual functions:
+  virtual void doGetNextFrame();
+
+private:
+  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);
+};
+
+
+////////// 24-bit values: little-endian <-> big-endian //////////
+
+class EndianSwap24: public FramedFilter {
+public:
+  static EndianSwap24* createNew(UsageEnvironment& env, FramedSource* inputSource);
+
+protected:
+  EndianSwap24(UsageEnvironment& env, FramedSource* inputSource);
+      // called only by createNew()
+  virtual ~EndianSwap24();
+
+private:
+  // Redefined virtual functions:
+  virtual void doGetNextFrame();
+
+private:
+  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);
+};
+
+#endif

--
Gitblit v1.8.0