104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
/*
|
|
* Copyright 2003-2020 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef MPD_DECODER_LIST_HXX
|
|
#define MPD_DECODER_LIST_HXX
|
|
|
|
#include "util/Compiler.h"
|
|
|
|
struct ConfigData;
|
|
struct DecoderPlugin;
|
|
|
|
extern const struct DecoderPlugin *const decoder_plugins[];
|
|
extern bool decoder_plugins_enabled[];
|
|
|
|
/* interface for using plugins */
|
|
|
|
gcc_pure
|
|
const struct DecoderPlugin *
|
|
decoder_plugin_from_name(const char *name) noexcept;
|
|
|
|
/* this is where we "load" all the "plugins" ;-) */
|
|
void
|
|
decoder_plugin_init_all(const ConfigData &config);
|
|
|
|
/* this is where we "unload" all the "plugins" */
|
|
void
|
|
decoder_plugin_deinit_all() noexcept;
|
|
|
|
class ScopeDecoderPluginsInit {
|
|
public:
|
|
explicit ScopeDecoderPluginsInit(const ConfigData &config) {
|
|
decoder_plugin_init_all(config);
|
|
}
|
|
|
|
~ScopeDecoderPluginsInit() noexcept {
|
|
decoder_plugin_deinit_all();
|
|
}
|
|
};
|
|
|
|
template<typename F>
|
|
static inline const DecoderPlugin *
|
|
decoder_plugins_find(F f) noexcept
|
|
{
|
|
for (unsigned i = 0; decoder_plugins[i] != nullptr; ++i)
|
|
if (decoder_plugins_enabled[i] && f(*decoder_plugins[i]))
|
|
return decoder_plugins[i];
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
template<typename F>
|
|
static inline bool
|
|
decoder_plugins_try(F f)
|
|
{
|
|
for (unsigned i = 0; decoder_plugins[i] != nullptr; ++i)
|
|
if (decoder_plugins_enabled[i] && f(*decoder_plugins[i]))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
template<typename F>
|
|
static inline void
|
|
decoder_plugins_for_each(F f)
|
|
{
|
|
for (auto i = decoder_plugins; *i != nullptr; ++i)
|
|
f(**i);
|
|
}
|
|
|
|
template<typename F>
|
|
static inline void
|
|
decoder_plugins_for_each_enabled(F f)
|
|
{
|
|
for (unsigned i = 0; decoder_plugins[i] != nullptr; ++i)
|
|
if (decoder_plugins_enabled[i])
|
|
f(*decoder_plugins[i]);
|
|
}
|
|
|
|
/**
|
|
* Is there at least once #DecoderPlugin that supports the specified
|
|
* file name suffix?
|
|
*/
|
|
gcc_pure gcc_nonnull_all
|
|
bool
|
|
decoder_plugins_supports_suffix(const char *suffix) noexcept;
|
|
|
|
#endif
|