gistfile1.cpp

1) Directory Skeleton

[sun@example voice]$ tree
.
├── build
│   └── Debug
│       └── GNU-Linux-x86
│           ├── main.o
│           └── main.o.d
├── dist
│   └── Debug
│       └── GNU-Linux-x86
├── include
│   └── mod_speex.h
├── lib
│   └── rtaudio
│       ├── config.log
│       ├── config.status
│       ├── configure
│       ├── configure.ac
│       ├── include
│       │   ├── asio.cpp
│       │   ├── asiodrivers.cpp
│       │   ├── asiodrivers.h
│       │   ├── asiodrvr.h
│       │   ├── asio.h
│       │   ├── asiolist.cpp
│       │   ├── asiolist.h
│       │   ├── asiosys.h
│       │   ├── dsound.h
│       │   ├── ginclude.h
│       │   ├── iasiodrv.h
│       │   ├── iasiothiscallresolver.cpp
│       │   ├── iasiothiscallresolver.h
│       │   └── soundcard.h
│       ├── install
│       ├── librtaudio.a
│       ├── librtaudio.so
│       ├── Makefile
│       ├── Makefile.in
│       ├── playback
│       ├── playback.cpp
│       ├── readme
│       ├── rtaudio-4.0.7-Makefile.mk
│       ├── rtaudio-config
│       ├── rtaudio-config.in
│       ├── RtAudio.cpp
│       ├── RtAudio.h
│       ├── RtAudio.o
│       ├── RtError.h
│       └── tests
│           ├── audioprobe.cpp
│           ├── Debug
│           ├── duplex.cpp
│           ├── Makefile
│           ├── Makefile.in
│           ├── playraw.cpp
│           ├── playsaw.cpp
│           ├── record.cpp
│           ├── Release
│           ├── test1.cpp
│           ├── testall.cpp
│           └── Windows
│               ├── audioprobe.dsp
│               ├── Debug
│               ├── duplex.dsp
│               ├── playraw.dsp
│               ├── playsaw.dsp
│               ├── record.dsp
│               ├── Release
│               ├── rtaudio.dsw
│               └── testall.dsp
├── main.cpp
├── Makefile
├── nbproject
│   ├── configurations.xml
│   ├── Makefile-Debug.mk
│   ├── Makefile-impl.mk
│   ├── Makefile-Release.mk
│   ├── Makefile-variables.mk
│   ├── Package-Debug.bash
│   ├── Package-Release.bash
│   ├── private
│   │   ├── configurations.xml
│   │   └── private.properties
│   ├── project.properties
│   └── project.xml
└── src
    └── mod_speex.cpp

19 directories, 66 files
[sun@example voice]$ 




2) Skeleton is fine, but RtAudio, compile fail

"/usr/bin/gmake" -f nbproject/Makefile-Debug.mk QMAKE= SUBPROJECTS= .clean-conf
gmake[1]: Entering directory `/home/sun/voice/voice'
rm -f -r build/Debug
rm -f dist/Debug/GNU-Linux-x86/voice
gmake[1]: Leaving directory `/home/sun/voice/voice'

CLEAN SUCCESSFUL (total time: 217ms)
"/usr/bin/gmake" -f nbproject/Makefile-Debug.mk QMAKE= SUBPROJECTS= .build-conf
gmake[1]: Entering directory `/home/sun/voice/voice'
"/usr/bin/gmake"  -f nbproject/Makefile-Debug.mk dist/Debug/GNU-Linux-x86/voice
gmake[2]: Entering directory `/home/sun/voice/voice'
mkdir -p build/Debug/GNU-Linux-x86
rm -f build/Debug/GNU-Linux-x86/main.o.d
g++ -O2 -Wall -DHAVE_GETTIMEOFDAY -D__LINUX_ALSA__   -c -g -I../../Downloads/fltk-1.1.10 -I../../Downloads/fltk-1.1.10/jpeg -I../../Downloads/fltk-1.1.10/zlib -I../../Downloads/fltk-1.1.10/png -Ilib/rtaudio -Ilib/rtaudio/include -MMD -MP -MF build/Debug/GNU-Linux-x86/main.o.d -o build/Debug/GNU-Linux-x86/main.o main.cpp
mkdir -p dist/Debug/GNU-Linux-x86
g++ -O2 -Wall -DHAVE_GETTIMEOFDAY -D__LINUX_ALSA__    -lpthread -lasound -o dist/Debug/GNU-Linux-x86/voice build/Debug/GNU-Linux-x86/main.o -lfltk 
build/Debug/GNU-Linux-x86/main.o: In function `main':
/home/sun/voice/voice/main.cpp:44: undefined reference to `RtAudio::RtAudio(RtAudio::Api)'
/home/sun/voice/voice/main.cpp:59: undefined reference to `RtAudio::openStream(RtAudio::StreamParameters*, RtAudio::StreamParameters*, unsigned long, unsigned int, unsigned int*, int (*)(void*, void*, unsigned int, double, unsigned int, void*), void*, RtAudio::StreamOptions*)'
gmake[2]: Leaving directory `/home/sun/voice/voice'
/home/sun/voice/voice/main.cpp:83: undefined reference to `RtAudio::~RtAudio()'
gmake[1]: Leaving directory `/home/sun/voice/voice'
/home/sun/voice/voice/main.cpp:83: undefined reference to `RtAudio::~RtAudio()'
collect2: ld returned 1 exit status
gmake[2]: *** [dist/Debug/GNU-Linux-x86/voice] Error 1
gmake[1]: *** [.build-conf] Error 2
gmake: *** [.build-impl] Error 2

BUILD FAILED (exit value 2, total time: 1s)





3) Bootstrap -> main.cpp got the following code:



/* Default usage */
#include <cstdlib>
#include <iostream>
#include <cstdlib>
#include <cstring>
/* GUI */
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Box.H>
/* Audio  */
#include "RtAudio.h"

using namespace std;

int record( void *outputBuffer, void *inputBuffer, unsigned int nBufferFrames,
         double streamTime, RtAudioStreamStatus status, void *userData )
{
  if ( status )
    std::cout << "Stream overflow detected!" << std::endl;
  return 0;
}

/* Boot */
int main(int argc, char **argv) 
{
    
  /* A) Welcome */
  Fl_Window *window = new Fl_Window(300,180);
  Fl_Box *box = new Fl_Box(20,40,260,100,"Hello, World!");
  box->box(FL_UP_BOX);
  box->labelsize(36);
  box->labelfont(FL_BOLD+FL_ITALIC);
  box->labeltype(FL_SHADOW_LABEL);
  window->end();
  window->show(argc, argv);
  
  
  /* B) Rocket launch prepare */
  RtAudio adc;
  if ( adc.getDeviceCount() < 1 ) {
    std::cout << "\nNo audio devices found!\n";
    exit( 0 );
  }

  RtAudio::StreamParameters parameters;
  parameters.deviceId = adc.getDefaultInputDevice();
  parameters.nChannels = 2;
  parameters.firstChannel = 0;
  unsigned int sampleRate = 44100;
  unsigned int bufferFrames = 256; // 256 sample frames

  try {
    adc.openStream( NULL, &parameters, RTAUDIO_SINT16,
                    sampleRate, &bufferFrames, &record );
    adc.startStream();
  }
  catch ( RtError& e ) {
    e.printMessage();
    exit( 0 );
  }
  
  char input;
  std::cout << "\nRecording ... press <enter> to quit.\n";
  std::cin.get( input );

  try {
    // Stop the stream
    adc.stopStream();
  }
  catch (RtError& e) {
    e.printMessage();
  }

  if ( adc.isStreamOpen() ) adc.closeStream();


  //return 0;
  
  return Fl::run();
  
}