00001 /********** 00002 This library is free software; you can redistribute it and/or modify it under 00003 the terms of the GNU Lesser General Public License as published by the 00004 Free Software Foundation; either version 2.1 of the License, or (at your 00005 option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) 00006 00007 This library is distributed in the hope that it will be useful, but WITHOUT 00008 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00009 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for 00010 more details. 00011 00012 You should have received a copy of the GNU Lesser General Public License 00013 along with this library; if not, write to the Free Software Foundation, Inc., 00014 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00015 **********/ 00016 // "liveMedia" 00017 // Copyright (c) 1996-2008 Live Networks, Inc. All rights reserved. 00018 // A source object for AMR audio sources 00019 // C++ header 00020 00021 #ifndef _AMR_AUDIO_SOURCE_HH 00022 #define _AMR_AUDIO_SOURCE_HH 00023 00024 #ifndef _FRAMED_SOURCE_HH 00025 #include "FramedSource.hh" 00026 #endif 00027 00028 class AMRAudioSource: public FramedSource { 00029 public: 00030 Boolean isWideband() const { return fIsWideband; } 00031 unsigned numChannels() const { return fNumChannels; } 00032 00033 u_int8_t lastFrameHeader() const { return fLastFrameHeader; } 00034 // The frame header for the most recently read frame (RFC 3267, sec. 5.3) 00035 00036 protected: 00037 AMRAudioSource(UsageEnvironment& env, Boolean isWideband, unsigned numChannels); 00038 // virtual base class 00039 virtual ~AMRAudioSource(); 00040 00041 private: 00042 // redefined virtual functions: 00043 virtual Boolean isAMRAudioSource() const; 00044 00045 protected: 00046 Boolean fIsWideband; 00047 unsigned fNumChannels; 00048 u_int8_t fLastFrameHeader; 00049 }; 00050 00051 #endif
1.5.2