Marsyas
0.6.0-alpha
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00001 /* 00002 ** Copyright (C) 1998-2010 George Tzanetakis <gtzan@cs.uvic.ca> 00003 ** 00004 ** This program is free software; you can redistribute it and/or modify 00005 ** it under the terms of the GNU General Public License as published by 00006 ** the Free Software Foundation; either version 2 of the License, or 00007 ** (at your option) any later version. 00008 ** 00009 ** This program is distributed in the hope that it will be useful, 00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 ** GNU General Public License for more details. 00013 ** 00014 ** You should have received a copy of the GNU General Public License 00015 ** along with this program; if not, write to the Free Software 00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 */ 00018 00019 #ifndef MARSYAS_AUDIOSOURCEBLOCKING_H 00020 #define MARSYAS_AUDIOSOURCEBLOCKING_H 00021 00022 #include <marsyas/system/MarSystem.h> 00023 00024 class RtAudio3; 00025 00026 namespace Marsyas 00027 { 00046 class AudioSourceBlocking:public MarSystem 00047 { 00048 private: 00049 00050 RtAudio3 *audio_; 00051 00052 int bufferSize_; 00053 int nBuffers_; 00054 int rtSrate_; 00055 int rtChannels_; 00056 int rtDevice_; 00057 00058 mrs_natural ri_; 00059 mrs_natural nChannels_; 00060 mrs_real *data_; 00061 realvec reservoir_; 00062 mrs_natural reservoirSize_; 00063 mrs_natural preservoirSize_; 00064 00065 mrs_real gain_; 00066 00067 bool isInitialized_; 00068 bool stopped_; 00069 00070 void addControls(); 00071 void myUpdate(MarControlPtr sender); 00072 00073 void initRtAudio(); 00074 00075 void start(); 00076 void stop(); 00077 00078 void localActivate(bool state); 00079 00080 public: 00081 AudioSourceBlocking(std::string name); 00082 ~AudioSourceBlocking(); 00083 MarSystem* clone() const; 00084 00085 void myProcess(realvec& in, realvec& out); 00086 }; 00087 00088 }//namespace Marsyas 00089 00090 00091 #endif 00092 00093 00094 00095