/usr/include/ao/plugin.h is in libao-dev 1.2.2+20180113-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | /*
*
* plugin.h - function declarations for libao plugins
*
* Copyright (C) Stan Seibert - June 2001
*
* This file is part of libao, a cross-platform audio outputlibrary. See
* README for a history of this source code.
*
* libao 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, or (at your option)
* any later version.
*
* libao 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __PLUGIN_H__
#define __PLUGIN_H__
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#include <stdlib.h>
#include "os_types.h"
int ao_plugin_test();
ao_info *ao_plugin_driver_info();
int ao_plugin_device_init(ao_device *device);
int ao_plugin_set_option(ao_device *device, const char *key, const char *value);
int ao_plugin_open(ao_device *device, ao_sample_format *format);
int ao_plugin_play(ao_device *device, const char *output_samples,
uint_32 num_bytes);
int ao_plugin_close(ao_device *device);
void ao_plugin_device_clear(ao_device *device);
const char *ao_plugin_file_extension();
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __PLUGIN_H__ */
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