115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2019 Olive Team
|
|
|
|
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 3 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, see <http://www.gnu.org/licenses/>.
|
|
|
|
***/
|
|
|
|
#include "toneeffect.h"
|
|
|
|
#include <QtMath>
|
|
|
|
#define TONE_TYPE_SINE 0
|
|
|
|
#include "timeline/clip.h"
|
|
#include "timeline/sequence.h"
|
|
|
|
ToneEffect::ToneEffect(Clip* c) : OldEffectNode(c), sinX(INT_MIN) {
|
|
type_val = new ComboInput(this, "type", tr("Type"));
|
|
type_val->AddItem(tr("Sine"), TONE_TYPE_SINE);
|
|
|
|
freq_val = new DoubleInput(this, "frequency", tr("Frequency"));
|
|
freq_val->SetMinimum(20);
|
|
freq_val->SetMaximum(20000);
|
|
freq_val->SetDefault(1000);
|
|
|
|
amount_val = new DoubleInput(this, "amount", tr("Amount"));
|
|
amount_val->SetMinimum(0);
|
|
amount_val->SetMaximum(100);
|
|
amount_val->SetDefault(25);
|
|
|
|
mix_val = new BoolInput(this, "mix", tr("Mix"));
|
|
mix_val->SetValueAt(0, true);
|
|
}
|
|
|
|
QString ToneEffect::name()
|
|
{
|
|
return tr("Tone");
|
|
}
|
|
|
|
QString ToneEffect::id()
|
|
{
|
|
return "org.olivevideoeditor.Olive.tone";
|
|
}
|
|
|
|
QString ToneEffect::description()
|
|
{
|
|
return tr("Generate a sine wave tone to mix into this clip's audio.");
|
|
}
|
|
|
|
EffectType ToneEffect::type()
|
|
{
|
|
return EFFECT_TYPE_EFFECT;
|
|
}
|
|
|
|
olive::TrackType ToneEffect::subtype()
|
|
{
|
|
return olive::kTypeAudio;
|
|
}
|
|
|
|
OldEffectNodePtr ToneEffect::Create(Clip *c)
|
|
{
|
|
return std::make_shared<ToneEffect>(c);
|
|
}
|
|
|
|
void ToneEffect::process_audio(double timecode_start,
|
|
double timecode_end,
|
|
float **samples,
|
|
int nb_samples,
|
|
int channel_count,
|
|
int type) {
|
|
|
|
Q_UNUSED(type)
|
|
|
|
double interval = (timecode_end - timecode_start)/nb_samples;
|
|
|
|
for (int i=0;i<nb_samples;i++) {
|
|
|
|
double timecode = timecode_start+(interval*i);
|
|
float tone_sample = qSin((2*M_PI*sinX*freq_val->GetDoubleAt(timecode))
|
|
/parent_clip->track()->sequence()->audio_frequency())
|
|
*log_volume(amount_val->GetDoubleAt(timecode)*0.01);
|
|
|
|
for (int j=0;j<channel_count;j++) {
|
|
|
|
if (mix_val->GetBoolAt(timecode)) {
|
|
|
|
// mix with source audio
|
|
samples[j][i] += tone_sample;
|
|
|
|
} else {
|
|
|
|
// replace source audio
|
|
samples[j][i] = tone_sample;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
sinX++;
|
|
}
|
|
}
|