src/Misc/Recorder.cpp

   1 /*
   2   ZynAddSubFX - a software synthesizer
   3
   4   Recorder.cpp - Records sound to a file
   5   Copyright (C) 2002-2005 Nasca Octavian Paul
   6   Author: Nasca Octavian Paul
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12 */
  13
  14 #include <rtosc/ports.h>
  15 #include <rtosc/port-sugar.h>
  16 #include <sys/stat.h>
  17 #include "Recorder.h"
  18 #include "WavFile.h"
  19 #include "../globals.h"
  20 #include "../Nio/Nio.h"
  21
  22 namespace zyn {
  23
  24 #define rObject Recorder
  25 const rtosc::Ports Recorder::ports = {
  26     {"preparefile:s", rDoc("Init WAV file"), 0,
  27         rBOIL_BEGIN
  28         obj->preparefile(rtosc_argument(msg, 0).s, 1);
  29         rBOIL_END },
  30     {"start:", rDoc("Start recording"), 0,
  31         rBOIL_BEGIN
  32         obj->start();
  33         rBOIL_END },
  34     {"stop:", rDoc("Stop recording"), 0,
  35         rBOIL_BEGIN
  36         obj->stop();
  37         rBOIL_END },
  38     {"pause:", rDoc("Pause recording"), 0,
  39         rBOIL_BEGIN;
  40         obj->pause();
  41         rBOIL_END}
  42 };
  43 #undef rObject
  44
  45 Recorder::Recorder(const SYNTH_T &synth_)
  46     :status(0), notetrigger(0),synth(synth_)
  47 {}
  48
  49 Recorder::~Recorder()
  50 {
  51     if(recording() == 1)
  52         stop();
  53 }
  54
  55 int Recorder::preparefile(std::string filename_, int overwrite)
  56 {
  57     if(!overwrite) {
  58         struct stat fileinfo;
  59         int statr;
  60         statr = stat(filename_.c_str(), &fileinfo);
  61         if(statr == 0)   //file exists
  62             return 1;
  63     }
  64
  65     Nio::waveNew(new WavFile(filename_, synth.samplerate, 2));
  66
  67     status = 1; //ready
  68
  69     return 0;
  70 }
  71
  72 void Recorder::start()
  73 {
  74     notetrigger = 0;
  75     status      = 2; //recording
  76 }
  77
  78 void Recorder::stop()
  79 {
  80     Nio::waveStop();
  81     Nio::waveStart();
  82     status = 0;
  83 }
  84
  85 void Recorder::pause()
  86 {
  87     status = 0;
  88     Nio::waveStop();
  89 }
  90
  91 int Recorder::recording()
  92 {
  93     if((status == 2) && (notetrigger != 0))
  94         return 1;
  95     else
  96         return 0;
  97 }
  98
  99 void Recorder::triggernow()
 100 {
 101     if(status == 2) {
 102         if(notetrigger != 1)
 103             Nio::waveStart();
 104         notetrigger = 1;
 105     }
 106 }
 107
 108 //TODO move recorder inside nio system
 109 }