test/src/DumpVario.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   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   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "Audio/VarioSynthesiser.hpp"
  25 #include "OS/Args.hpp"
  26 #include "DebugReplay.hpp"
  27 #include "Util/Macros.hpp"
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <unistd.h>
  32
  33 int
  34 main(int argc, char **argv)
  35 {
  36   Args args(argc, argv, "DRIVER FILE");
  37   DebugReplay *replay = CreateDebugReplay(args);
  38   if (replay == NULL)
  39     return EXIT_FAILURE;
  40
  41   args.ExpectEnd();
  42
  43   const unsigned sample_rate = 44100;
  44
  45   VarioSynthesiser synthesiser;
  46
  47   while (replay->Next()) {
  48     fixed vario = replay->Basic().brutto_vario;
  49     synthesiser.SetVario(sample_rate, vario);
  50
  51     static int16_t buffer[sample_rate];
  52     synthesiser.Synthesise(buffer, ARRAY_SIZE(buffer));
  53
  54     if (write(1, buffer, sizeof(buffer)) < 0) {
  55       perror("write");
  56       return EXIT_FAILURE;
  57     }
  58   }
  59
  60   return EXIT_SUCCESS;
  61 }