1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/plugin.h	Sat Jun 13 00:50:48 2009 +0000
     1.3 @@ -0,0 +1,73 @@
     1.4 +/**
     1.5 + * $Id$
     1.6 + *
     1.7 + * Plugin declarations and support. 
     1.8 + * 
     1.9 + * Note plugins mainly exist to make binary packagers' lives easier, 
    1.10 + *
    1.11 + * Copyright (c) 2009 Nathan Keynes.
    1.12 + *
    1.13 + * This program is free software; you can redistribute it and/or modify
    1.14 + * it under the terms of the GNU General Public License as published by
    1.15 + * the Free Software Foundation; either version 2 of the License, or
    1.16 + * (at your option) any later version.
    1.17 + *
    1.18 + * This program is distributed in the hope that it will be useful,
    1.19 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.20 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.21 + * GNU General Public License for more details.
    1.22 + */
    1.23 +
    1.24 +#ifndef lxdream_plugin_H
    1.25 +#define lxdream_plugin_H
    1.26 +
    1.27 +#include "lxdream.h"
    1.28 +
    1.29 +#ifdef __cplusplus
    1.30 +extern "C" {
    1.31 +#endif
    1.32 +
    1.33 +enum plugin_type {
    1.34 +    PLUGIN_NONE = 0,
    1.35 +    PLUGIN_AUDIO_DRIVER = 1,
    1.36 +    PLUGIN_INPUT_DRIVER = 2,
    1.37 +};
    1.38 +
    1.39 +#define PLUGIN_MIN_TYPE 1
    1.40 +#define PLUGIN_MAX_TYPE PLUGIN_INPUT_DRIVER
    1.41 +    
    1.42 +struct plugin_struct {
    1.43 +    enum plugin_type type;
    1.44 +    const char *name;
    1.45 +    const char *version;
    1.46 +    
    1.47 +    /**
    1.48 +     * Plugin registration function, called at load time (dynamic modules) or 
    1.49 +     * startup (static modules). This should register with the appropriate 
    1.50 +     * driver list. 
    1.51 +     * @return TRUE on success, FALSE on failure (although exactly how this 
    1.52 +     * can fail is unclear).
    1.53 +     */
    1.54 +    gboolean (*register_plugin)(void);
    1.55 +};
    1.56 +
    1.57 +#define CONSTRUCTOR __attribute__((constructor))
    1.58 +
    1.59 +#ifdef PLUGIN
    1.60 +#define DEFINE_PLUGIN(type,name,fn) struct plugin_struct lxdream_plugin_entry = { type, name, VERSION, fn }
    1.61 +#define AUDIO_DRIVER(name, driver) static gboolean __lxdream_plugin_init(void) { return audio_register_driver(&(driver)); }  \
    1.62 +    DEFINE_PLUGIN(PLUGIN_AUDIO_DRIVER, name, __lxdream_plugin_init)
    1.63 +
    1.64 +#else /* !ENABLE_SHARED */
    1.65 +#define AUDIO_DRIVER(name,driver) static void CONSTRUCTOR __lxdream_static_constructor(void) { audio_register_driver(&(driver)); } 
    1.66 +#define DEFINE_PLUGIN(type,name,fn) static void CONSTRUCTOR __lxdream_static_constructor(void) { fn(); }
    1.67 +
    1.68 +#endif /* ENABLE_SHARED */
    1.69 +
    1.70 +gboolean plugin_init(const gchar *path);
    1.71 +
    1.72 +#ifdef __cplusplus
    1.73 +}
    1.74 +#endif
    1.75 +    
    1.76 +#endif /* !lxdream_plugin_H */
    1.77 \ No newline at end of file