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