itsmattkc
2f80be437a
As opposed to simply leaving all values in the table, nodes can now "take" values that they use to free up memory (e.g. "taking" input buffers if they're used to produce an output buffer). This is a fairly large change, expect regressions.
92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "volume.h"
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OLIVE_NAMESPACE_ENTER
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VolumeNode::VolumeNode()
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{
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samples_input_ = new NodeInput("samples_in", NodeParam::kSamples);
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AddInput(samples_input_);
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volume_input_ = new NodeInput("volume_in", NodeParam::kFloat, 1);
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volume_input_->set_property("min", 0.0);
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volume_input_->set_property("view", "db");
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AddInput(volume_input_);
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}
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Node *VolumeNode::copy() const
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{
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return new VolumeNode();
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}
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QString VolumeNode::Name() const
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{
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return tr("Volume");
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}
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QString VolumeNode::id() const
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{
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return QStringLiteral("org.olivevideoeditor.Olive.volume");
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}
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QString VolumeNode::Category() const
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{
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return tr("Audio");
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}
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QString VolumeNode::Description() const
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{
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return tr("Adjusts the volume of an audio source.");
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}
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Node::Capabilities VolumeNode::GetCapabilities(const NodeValueDatabase &) const
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{
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return kSampleProcessor;
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}
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NodeInput *VolumeNode::ProcessesSamplesFrom(const NodeValueDatabase &) const
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{
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return samples_input_;
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}
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void VolumeNode::ProcessSamples(const NodeValueDatabase &values, const AudioRenderingParams& params, const SampleBufferPtr input, SampleBufferPtr output, int index) const
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{
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float volume_val = values[volume_input_].Get(NodeParam::kFloat).toFloat();
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for (int i=0;i<params.channel_count();i++) {
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output->data()[i][index] = input->data()[i][index] * volume_val;
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}
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}
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void VolumeNode::Retranslate()
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{
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samples_input_->set_name(tr("Samples"));
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volume_input_->set_name(tr("Volume"));
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}
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NodeInput *VolumeNode::samples_input() const
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{
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return samples_input_;
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}
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OLIVE_NAMESPACE_EXIT
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