70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "FilterConfig.hxx"
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#include "plugins/ChainFilterPlugin.hxx"
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#include "FilterPlugin.hxx"
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#include "config/Param.hxx"
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#include "config/ConfigOption.hxx"
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#include "config/ConfigGlobal.hxx"
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#include "config/ConfigError.hxx"
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#include "config/Block.hxx"
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#include "util/RuntimeError.hxx"
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#include <algorithm>
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#include <string.h>
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static void
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filter_chain_append_new(PreparedFilter &chain, const char *template_name)
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{
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const auto *cfg = config_find_block(ConfigBlockOption::AUDIO_FILTER,
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"name", template_name);
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if (cfg == nullptr)
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throw FormatRuntimeError("Filter template not found: %s",
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template_name);
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// Instantiate one of those filter plugins with the template name as a hint
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PreparedFilter *f = filter_configured_new(*cfg);
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const char *plugin_name = cfg->GetBlockValue("plugin",
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"unknown");
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filter_chain_append(chain, plugin_name, f);
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}
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void
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filter_chain_parse(PreparedFilter &chain, const char *spec)
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{
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const char *const end = spec + strlen(spec);
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while (true) {
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const char *comma = std::find(spec, end, ',');
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if (comma > spec) {
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const std::string name(spec, comma);
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filter_chain_append_new(chain, name.c_str());
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}
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if (comma == end)
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break;
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spec = comma + 1;
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}
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}
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