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/*
* Copyright 2003-2021 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
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