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https://github.com/LMMS/lmms.git
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c3b4d5188a
Replace old spectrum analyzer by new one with higher resolution and many new features. Resolves #2847.
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/*
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* Analyzer.cpp - definition of Analyzer class.
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*
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* Copyright (c) 2019 Martin Pavelek <he29/dot/HS/at/gmail/dot/com>
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*
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* Based partially on Eq plugin code,
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* Copyright (c) 2014-2017, David French <dave/dot/french3/at/googlemail/dot/com>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (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 GNU
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* 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
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#include "Analyzer.h"
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#include "embed.h"
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#include "plugin_export.h"
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extern "C" {
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Plugin::Descriptor PLUGIN_EXPORT analyzer_plugin_descriptor =
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{
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"spectrumanalyzer",
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"Spectrum Analyzer",
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QT_TRANSLATE_NOOP("pluginBrowser", "A graphical spectrum analyzer."),
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"Martin Pavelek <he29/dot/HS/at/gmail/dot/com>",
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0x0100,
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Plugin::Effect,
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new PluginPixmapLoader("logo"),
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NULL,
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NULL
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};
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}
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Analyzer::Analyzer(Model *parent, const Plugin::Descriptor::SubPluginFeatures::Key *key) :
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Effect(&analyzer_plugin_descriptor, parent, key),
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m_processor(&m_controls),
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m_controls(this)
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{
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}
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// Take audio data and pass them to the spectrum processor.
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// Skip processing if the controls dialog isn't visible, it would only waste CPU cycles.
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bool Analyzer::processAudioBuffer(sampleFrame *buffer, const fpp_t frame_count)
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{
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if (!isEnabled() || !isRunning ()) {return false;}
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if (m_controls.isViewVisible()) {m_processor.analyse(buffer, frame_count);}
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return isRunning();
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}
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extern "C" {
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// needed for getting plugin out of shared lib
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PLUGIN_EXPORT Plugin *lmms_plugin_main(Model *parent, void *data)
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{
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return new Analyzer(parent, static_cast<const Plugin::Descriptor::SubPluginFeatures::Key *>(data));
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}
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}
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