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668e80dbaa
* Adds a new native plugin for incoming waveform display * Features the ability to pause, zoom in, set window size and set amplification (scale) * Does not feature a pitch-tracking option --------- Co-authored-by: Fawn <rubiefawn@gmail.com> Co-authored-by: Sotonye Atemie <satemiej@gmail.com> Co-authored-by: Dalton Messmer <messmer.dalton@gmail.com> Co-authored-by: bratpeki <pkatic2003@gmail.com>
76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/*
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* Oscilloscope.cpp - Oscilloscope effect to preview the incoming waveform
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*
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* Copyright (c) 2025 Keratin
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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 "Oscilloscope.h"
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#include "embed.h"
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#include "plugin_export.h"
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namespace lmms
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{
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extern "C"
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{
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Plugin::Descriptor PLUGIN_EXPORT oscilloscope_plugin_descriptor =
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{
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LMMS_STRINGIFY(PLUGIN_NAME),
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"Oscilloscope",
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QT_TRANSLATE_NOOP("PluginBrowser", "Oscilloscope plugin to display the incoming audio waveform"),
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"Keratin <3",
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0x0100,
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Plugin::Type::Effect,
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new PixmapLoader("lmms-plugin-logo"),
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nullptr,
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nullptr,
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};
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PLUGIN_EXPORT Plugin* lmms_plugin_main(Model* parent, void* data)
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{
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return new Oscilloscope(parent, static_cast<const Plugin::Descriptor::SubPluginFeatures::Key*>(data));
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}
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}
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Oscilloscope::Oscilloscope(Model* parent, const Descriptor::SubPluginFeatures::Key* key) :
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Effect(&oscilloscope_plugin_descriptor, parent, key),
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m_controls(this),
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m_inputBuffer(InputBufferSize)
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{
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}
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Effect::ProcessStatus Oscilloscope::processImpl(SampleFrame* buffer, const f_cnt_t frames)
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{
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if (!m_controls.m_pauseModel.value())
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{
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// Send the samples from the audio thread over to the gui via a ring buffer; the gui will do all of the processing.
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m_inputBuffer.write(buffer, frames);
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}
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return ProcessStatus::Continue;
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}
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} // namespace lmms
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