/* OutputProbe - tool to investigate external output connections Copyright (C) Lumiera.org 2011, Odin Omdal Hørthe This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * *****************************************************/ #include "alsa.h" #include #include #include #define SAMPLE_RATE 44100 int16_t quiet[SAMPLE_RATE], noisy[SAMPLE_RATE]; int main() { for (int i = 0; i < SAMPLE_RATE; i++) { quiet[i] = 0; noisy[i] = i % 30000; } audio_start (44100, 2); for (int i = 0; i < 10; i++) { audio_write (noisy, SAMPLE_RATE); printf ("=================================\n"); audio_write (quiet, SAMPLE_RATE); printf ("\n"); } audio_stop (); return 0; }