1 /* Copyright (C) 2010 The Android Open Source Project 2 ** 3 ** This software is licensed under the terms of the GNU General Public 4 ** License version 2, as published by the Free Software Foundation, and 5 ** may be copied, distributed, and modified under those terms. 6 ** 7 ** This program is distributed in the hope that it will be useful, 8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 ** GNU General Public License for more details. 11 */ 12 #ifndef ANDROID_AUDIO_TEST_H 13 #define ANDROID_AUDIO_TEST_H 14 15 /* Start the audio test output, this will register a virtual sound 16 * device that sends a saw signal to the audio sub-system. This is 17 * used to test that the audio backend works without having to boot 18 * a full system and launch a music application. 19 */ 20 extern int android_audio_test_start_out(void); 21 22 #endif /* ANDROID_AUDIO_TEST_H */ 23