change: change code style to Linux style except indent.
This commit is contained in:
Mike Solar
@@ -28,456 +28,478 @@
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#include "common/decibel.h"
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#include "common/qtutils.h"
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namespace olive {
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namespace olive
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{
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const int kDecibelStep = 6;
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const int kDecibelMinimum = -198; // Must be divisible by kDecibelStep for infinity to appear
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const int kDecibelMinimum =
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-198; // Must be divisible by kDecibelStep for infinity to appear
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const int kMaximumSmoothness = 8;
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QVector<AudioMonitor*> AudioMonitor::instances_;
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QVector<AudioMonitor *> AudioMonitor::instances_;
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AudioMonitor::AudioMonitor(QWidget *parent) :
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QOpenGLWidget(parent),
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waveform_(nullptr),
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cached_channels_(0)
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AudioMonitor::AudioMonitor(QWidget *parent)
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: QOpenGLWidget(parent)
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, waveform_(nullptr)
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, cached_channels_(0)
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{
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instances_.append(this);
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instances_.append(this);
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values_.resize(kMaximumSmoothness);
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values_.resize(kMaximumSmoothness);
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this->setMinimumWidth(this->fontMetrics().height());
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this->setMinimumWidth(this->fontMetrics().height());
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}
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AudioMonitor::~AudioMonitor()
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{
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instances_.removeOne(this);
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instances_.removeOne(this);
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}
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void AudioMonitor::SetParams(const AudioParams ¶ms)
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{
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if (params_ != params) {
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params_ = params;
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if (params_ != params) {
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params_ = params;
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for (int i=0;i<values_.size();i++) {
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values_[i].resize(params_.channel_count());
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values_[i].fill(0);
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}
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for (int i = 0; i < values_.size(); i++) {
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values_[i].resize(params_.channel_count());
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values_[i].fill(0);
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}
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peaked_.resize(params_.channel_count());
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peaked_.fill(false);
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peaked_.resize(params_.channel_count());
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peaked_.fill(false);
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update();
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}
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update();
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}
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}
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void AudioMonitor::Stop()
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{
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waveform_ = nullptr;
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waveform_ = nullptr;
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// We don't stop the update loop here so that the monitor can show a smooth fade out. The update
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// loop will stop itself since file_ and waveform_ are null.
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// We don't stop the update loop here so that the monitor can show a smooth fade out. The update
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// loop will stop itself since file_ and waveform_ are null.
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}
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void AudioMonitor::PushSampleBuffer(const SampleBuffer &d)
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{
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if (!params_.channel_count()) {
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return;
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}
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if (!params_.channel_count()) {
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return;
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}
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QVector<double> v(params_.channel_count(), 0);
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QVector<double> v(params_.channel_count(), 0);
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AudioVisualWaveform::Sample summed = AudioVisualWaveform::SumSamples(d, 0, d.sample_count());
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AudioVisualWaveform::Sample summed =
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AudioVisualWaveform::SumSamples(d, 0, d.sample_count());
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AudioVisualWaveformSampleToInternalValues(summed, v);
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AudioVisualWaveformSampleToInternalValues(summed, v);
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// Fill values because they get averaged out for smoothing
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values_.fill(v);
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// Fill values because they get averaged out for smoothing
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values_.fill(v);
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SetUpdateLoop(true);
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SetUpdateLoop(true);
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}
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void AudioMonitor::StartWaveform(const AudioWaveformCache *waveform, const rational &start, int playback_speed)
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void AudioMonitor::StartWaveform(const AudioWaveformCache *waveform,
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const rational &start, int playback_speed)
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{
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Stop();
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Stop();
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waveform_length_ = waveform->length();
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if (start >= waveform_length_) {
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return;
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}
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waveform_length_ = waveform->length();
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if (start >= waveform_length_) {
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return;
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}
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waveform_ = waveform;
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waveform_time_ = start;
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waveform_ = waveform;
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waveform_time_ = start;
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playback_speed_ = playback_speed;
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playback_speed_ = playback_speed;
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last_time_ = QDateTime::currentMSecsSinceEpoch();
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last_time_ = QDateTime::currentMSecsSinceEpoch();
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SetUpdateLoop(true);
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SetUpdateLoop(true);
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}
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void AudioMonitor::SetUpdateLoop(bool e)
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{
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if (e) {
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connect(this, &AudioMonitor::frameSwapped, this, static_cast<void(AudioMonitor::*)()>(&AudioMonitor::update));
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if (e) {
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connect(this, &AudioMonitor::frameSwapped, this,
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static_cast<void (AudioMonitor::*)()>(&AudioMonitor::update));
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update();
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} else {
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disconnect(this, &AudioMonitor::frameSwapped, this, static_cast<void(AudioMonitor::*)()>(&AudioMonitor::update));
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}
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update();
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} else {
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disconnect(
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this, &AudioMonitor::frameSwapped, this,
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static_cast<void (AudioMonitor::*)()>(&AudioMonitor::update));
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}
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}
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void AudioMonitor::paintGL()
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{
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QPainter p(this);
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QPalette palette = qApp->palette();
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QRect geometry(0, 0, width(), height());
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QPainter p(this);
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QPalette palette = qApp->palette();
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QRect geometry(0, 0, width(), height());
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p.fillRect(geometry, palette.window().color());
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p.fillRect(geometry, palette.window().color());
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if (!params_.channel_count()) {
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return;
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}
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if (!params_.channel_count()) {
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return;
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}
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QFont f = p.font();
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f.setPointSizeF(f.pointSizeF() * 0.75);
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p.setFont(f);
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QFont f = p.font();
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f.setPointSizeF(f.pointSizeF() * 0.75);
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p.setFont(f);
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QFontMetrics fm = p.fontMetrics();
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QFontMetrics fm = p.fontMetrics();
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int font_height = fm.height();
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int font_height = fm.height();
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bool horizontal = this->width() > this->height();
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bool horizontal = this->width() > this->height();
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int minimum_width = this->fontMetrics().height() * 3;
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int minimum_width = this->fontMetrics().height() * 3;
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// Determine rect where the main meter will go
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QRect full_meter_rect = geometry;
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// Determine rect where the main meter will go
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QRect full_meter_rect = geometry;
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// Create rect where decibel markings will go on the side
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QRect db_labels_rect;
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bool draw_text;
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// Create rect where decibel markings will go on the side
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QRect db_labels_rect;
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bool draw_text;
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// Width of each channel in the meter
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int peaks_pos;
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int channel_size;
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int db_line_length = fm.horizontalAdvance(QStringLiteral("-"));
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int db_width = QtUtils::QFontMetricsWidth(p.fontMetrics(), "-00 ");
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if (horizontal) {
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// Insert peaks area
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full_meter_rect.adjust(0, 0, -font_height, 0);
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// Width of each channel in the meter
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int peaks_pos;
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int channel_size;
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int db_line_length = fm.horizontalAdvance(QStringLiteral("-"));
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int db_width = QtUtils::QFontMetricsWidth(p.fontMetrics(), "-00 ");
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if (horizontal) {
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// Insert peaks area
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full_meter_rect.adjust(0, 0, -font_height, 0);
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draw_text = (height() >= minimum_width);
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draw_text = (height() >= minimum_width);
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// Derive dB label rect
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if (draw_text) {
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// Insert meter rect
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full_meter_rect.adjust(db_width/2, 0, 0, -font_height);
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// Derive dB label rect
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if (draw_text) {
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// Insert meter rect
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full_meter_rect.adjust(db_width / 2, 0, 0, -font_height);
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db_labels_rect = full_meter_rect;
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db_labels_rect.setTop(db_labels_rect.bottom());
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db_labels_rect.setHeight(font_height + db_line_length);
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}
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db_labels_rect = full_meter_rect;
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db_labels_rect.setTop(db_labels_rect.bottom());
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db_labels_rect.setHeight(font_height + db_line_length);
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}
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// Divide height by channel count
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channel_size = full_meter_rect.height() / params_.channel_count();
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// Divide height by channel count
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channel_size = full_meter_rect.height() / params_.channel_count();
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// Set peaks Y to right-most
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peaks_pos = full_meter_rect.right();
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} else {
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// Insert peaks rect
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full_meter_rect.adjust(0, font_height, 0, 0);
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// Set peaks Y to right-most
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peaks_pos = full_meter_rect.right();
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} else {
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// Insert peaks rect
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full_meter_rect.adjust(0, font_height, 0, 0);
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draw_text = (width() >= minimum_width);
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draw_text = (width() >= minimum_width);
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// Derive dB label rect
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if (draw_text) {
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int db_width_and_line = db_width + db_line_length;
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// Derive dB label rect
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if (draw_text) {
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int db_width_and_line = db_width + db_line_length;
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// Insert meter rect
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full_meter_rect.adjust(db_width_and_line, 0, 0, -font_height / 2);
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db_labels_rect = full_meter_rect;
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db_labels_rect.setX(0);
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db_labels_rect.setWidth(db_width_and_line);
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}
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// Divide width by channel count
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channel_size = full_meter_rect.width() / params_.channel_count();
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// Set peaks Y to very top
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peaks_pos = 0;
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}
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if (cached_background_.size() != size() ||
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cached_channels_ != params_.channel_count()) {
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cached_channels_ = params_.channel_count();
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// Insert meter rect
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full_meter_rect.adjust(db_width_and_line, 0, 0, -font_height/2);
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// Generate new background
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cached_background_ = QPixmap(size());
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cached_background_.fill(Qt::transparent);
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QPainter cached_painter(&cached_background_);
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db_labels_rect = full_meter_rect;
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db_labels_rect.setX(0);
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db_labels_rect.setWidth(db_width_and_line);
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}
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if (draw_text) {
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cached_painter.setFont(f);
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// Divide width by channel count
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channel_size = full_meter_rect.width() / params_.channel_count();
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// Draw decibel markings
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QRect last_db_marking_rect;
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cached_painter.setPen(palette.text().color());
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// Set peaks Y to very top
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peaks_pos = 0;
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}
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for (int i = 0; i >= kDecibelMinimum; i -= kDecibelStep) {
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QString db_label;
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qreal log_val;
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if (cached_background_.size() != size()
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|| cached_channels_ != params_.channel_count()) {
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if (i == kDecibelMinimum) {
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db_label = QStringLiteral("-∞ ");
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log_val = 0;
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} else {
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db_label = QStringLiteral("%1 ").arg(i);
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log_val = Decibel::toLogarithmic(i);
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}
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QLine db_line;
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QRect db_marking_rect;
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bool overlaps_infinity = false;
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cached_channels_ = params_.channel_count();
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if (horizontal) {
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int x = db_labels_rect.x() +
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qRound(log_val * db_labels_rect.width());
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db_marking_rect = QRect(
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x - db_width / 2, db_labels_rect.top() + db_line_length,
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db_width, db_labels_rect.height() - db_line_length);
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db_line = QLine(x, db_labels_rect.top(), x,
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db_labels_rect.top() + db_line_length);
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overlaps_infinity = db_marking_rect.left() <
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db_labels_rect.left() + db_width / 2;
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} else {
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int y = db_labels_rect.y() + db_labels_rect.height() -
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qRound(log_val * db_labels_rect.height());
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db_marking_rect = QRect(
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db_labels_rect.x(), y - font_height / 2,
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db_labels_rect.width() - db_line_length, font_height);
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db_line = QLine(db_marking_rect.right() + 1, y,
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db_labels_rect.width(), y);
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overlaps_infinity = db_marking_rect.bottom() >=
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db_labels_rect.bottom() - font_height;
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}
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if (overlaps_infinity && i == kDecibelMinimum) {
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overlaps_infinity = false;
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}
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// Generate new background
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cached_background_ = QPixmap(size());
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cached_background_.fill(Qt::transparent);
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// Prevent any dB markings overlapping
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if (i == 0 ||
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(!db_marking_rect.intersects(last_db_marking_rect) &&
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!overlaps_infinity)) {
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cached_painter.drawText(db_marking_rect, Qt::AlignCenter,
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db_label);
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cached_painter.drawLine(db_line);
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last_db_marking_rect = db_marking_rect;
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}
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}
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}
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{
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// Draw bars
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QLinearGradient g;
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QPainter cached_painter(&cached_background_);
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if (horizontal) {
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g.setStart(full_meter_rect.topRight());
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g.setFinalStop(full_meter_rect.topLeft());
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} else {
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g.setStart(full_meter_rect.topLeft());
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g.setFinalStop(full_meter_rect.bottomLeft());
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}
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g.setStops({ QGradientStop(0.0, Qt::red),
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QGradientStop(0.25, Qt::yellow),
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QGradientStop(1.0, Qt::green) });
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if (draw_text) {
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cached_painter.setFont(f);
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cached_painter.setPen(Qt::black);
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// Draw decibel markings
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QRect last_db_marking_rect;
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for (int i = 0; i < params_.channel_count(); i++) {
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QRect peaks_rect, meter_rect;
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if (horizontal) {
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int channel_y = full_meter_rect.y() + channel_size * i;
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peaks_rect =
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QRect(peaks_pos, channel_y, font_height, channel_size);
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meter_rect = full_meter_rect;
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meter_rect.setY(channel_y);
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meter_rect.setHeight(channel_size);
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} else {
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int channel_x = full_meter_rect.x() + channel_size * i;
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peaks_rect =
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QRect(channel_x, peaks_pos, channel_size, font_height);
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meter_rect = full_meter_rect;
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meter_rect.setX(channel_x);
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meter_rect.setWidth(channel_size);
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}
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// Draw peak rects
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cached_painter.setBrush(Qt::red);
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cached_painter.drawRect(peaks_rect);
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// Draw gradient meter
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cached_painter.setBrush(g);
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cached_painter.drawRect(meter_rect);
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}
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}
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}
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p.drawPixmap(0, 0, cached_background_);
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QVector<double> v(params_.channel_count(), 0);
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if (IsPlaying()) {
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// Determines how many milliseconds have passed since last update
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qint64 current_time = QDateTime::currentMSecsSinceEpoch();
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qint64 delta_time = current_time - last_time_;
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int abs_speed = qAbs(playback_speed_);
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// Multiply by speed if the speed is not 1
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if (abs_speed != 1) {
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delta_time *= abs_speed;
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}
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if (waveform_) {
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UpdateValuesFromWaveform(v, delta_time);
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if (waveform_time_ >= waveform_length_) {
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Stop();
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}
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}
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last_time_ = current_time;
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}
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PushValue(v);
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QVector<double> vals = GetAverages();
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p.setBrush(QColor(0, 0, 0, 128));
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p.setPen(Qt::NoPen);
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bool all_zeroes = true;
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cached_painter.setPen(palette.text().color());
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for (int i = 0; i < params_.channel_count(); i++) {
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// Validate value and whether it peaked
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double vol = vals.at(i);
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if (vol > 1.0) {
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peaked_[i] = true;
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}
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|
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for (int i=0;i>=kDecibelMinimum;i-=kDecibelStep) {
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QString db_label;
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qreal log_val;
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if (all_zeroes && !qIsNull(vol)) {
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all_zeroes = false;
|
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}
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|
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if (i == kDecibelMinimum) {
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db_label = QStringLiteral("-∞ ");
|
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log_val = 0;
|
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} else {
|
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db_label = QStringLiteral("%1 ").arg(i);
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log_val = Decibel::toLogarithmic(i);
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}
|
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// Convert val to logarithmic scale
|
||||
vol = Decibel::LinearToLogarithmic(vol);
|
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|
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QLine db_line;
|
||||
QRect db_marking_rect;
|
||||
bool overlaps_infinity = false;
|
||||
QRect peaks_rect, meter_rect;
|
||||
|
||||
if (horizontal) {
|
||||
int x = db_labels_rect.x() + qRound(log_val * db_labels_rect.width());
|
||||
if (horizontal) {
|
||||
int channel_y = full_meter_rect.y() + channel_size * i;
|
||||
|
||||
db_marking_rect = QRect(x - db_width/2, db_labels_rect.top() + db_line_length, db_width, db_labels_rect.height() - db_line_length);
|
||||
db_line = QLine(x, db_labels_rect.top(), x, db_labels_rect.top() + db_line_length);
|
||||
peaks_rect = QRect(peaks_pos, channel_y, font_height, channel_size);
|
||||
|
||||
overlaps_infinity = db_marking_rect.left() < db_labels_rect.left() + db_width/2;
|
||||
} else {
|
||||
int y = db_labels_rect.y() + db_labels_rect.height() - qRound(log_val * db_labels_rect.height());
|
||||
meter_rect = full_meter_rect;
|
||||
meter_rect.setY(channel_y);
|
||||
meter_rect.setHeight(channel_size);
|
||||
meter_rect.adjust(qRound(meter_rect.width() * vol), 0, 0, 0);
|
||||
} else {
|
||||
int channel_x = full_meter_rect.x() + channel_size * i;
|
||||
|
||||
db_marking_rect = QRect(db_labels_rect.x(), y - font_height/2, db_labels_rect.width() - db_line_length, font_height);
|
||||
db_line = QLine(db_marking_rect.right()+1, y, db_labels_rect.width(), y);
|
||||
peaks_rect = QRect(channel_x, peaks_pos, channel_size, font_height);
|
||||
|
||||
overlaps_infinity = db_marking_rect.bottom() >= db_labels_rect.bottom()-font_height;
|
||||
}
|
||||
meter_rect = full_meter_rect;
|
||||
meter_rect.setX(channel_x);
|
||||
meter_rect.setWidth(channel_size);
|
||||
meter_rect.adjust(0, 0, 0, -qRound(meter_rect.height() * vol));
|
||||
}
|
||||
p.drawRect(meter_rect);
|
||||
|
||||
if (overlaps_infinity && i == kDecibelMinimum) {
|
||||
overlaps_infinity = false;
|
||||
}
|
||||
if (!peaked_.at(i)) {
|
||||
p.drawRect(peaks_rect);
|
||||
}
|
||||
}
|
||||
|
||||
// Prevent any dB markings overlapping
|
||||
if (i == 0 || (!db_marking_rect.intersects(last_db_marking_rect) && !overlaps_infinity)) {
|
||||
cached_painter.drawText(db_marking_rect, Qt::AlignCenter, db_label);
|
||||
cached_painter.drawLine(db_line);
|
||||
|
||||
last_db_marking_rect = db_marking_rect;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
// Draw bars
|
||||
QLinearGradient g;
|
||||
|
||||
if (horizontal) {
|
||||
g.setStart(full_meter_rect.topRight());
|
||||
g.setFinalStop(full_meter_rect.topLeft());
|
||||
} else {
|
||||
g.setStart(full_meter_rect.topLeft());
|
||||
g.setFinalStop(full_meter_rect.bottomLeft());
|
||||
}
|
||||
|
||||
g.setStops({
|
||||
QGradientStop(0.0, Qt::red),
|
||||
QGradientStop(0.25, Qt::yellow),
|
||||
QGradientStop(1.0, Qt::green)
|
||||
});
|
||||
|
||||
cached_painter.setPen(Qt::black);
|
||||
|
||||
for (int i=0;i<params_.channel_count();i++) {
|
||||
QRect peaks_rect, meter_rect;
|
||||
|
||||
if (horizontal) {
|
||||
int channel_y = full_meter_rect.y() + channel_size * i;
|
||||
|
||||
peaks_rect = QRect(peaks_pos, channel_y, font_height, channel_size);
|
||||
|
||||
meter_rect = full_meter_rect;
|
||||
meter_rect.setY(channel_y);
|
||||
meter_rect.setHeight(channel_size);
|
||||
} else {
|
||||
int channel_x = full_meter_rect.x() + channel_size * i;
|
||||
|
||||
peaks_rect = QRect(channel_x, peaks_pos, channel_size, font_height);
|
||||
|
||||
meter_rect = full_meter_rect;
|
||||
meter_rect.setX(channel_x);
|
||||
meter_rect.setWidth(channel_size);
|
||||
}
|
||||
|
||||
// Draw peak rects
|
||||
cached_painter.setBrush(Qt::red);
|
||||
cached_painter.drawRect(peaks_rect);
|
||||
|
||||
// Draw gradient meter
|
||||
cached_painter.setBrush(g);
|
||||
cached_painter.drawRect(meter_rect);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
p.drawPixmap(0, 0, cached_background_);
|
||||
|
||||
QVector<double> v(params_.channel_count(), 0);
|
||||
|
||||
if (IsPlaying()) {
|
||||
// Determines how many milliseconds have passed since last update
|
||||
qint64 current_time = QDateTime::currentMSecsSinceEpoch();
|
||||
qint64 delta_time = current_time - last_time_;
|
||||
int abs_speed = qAbs(playback_speed_);
|
||||
|
||||
// Multiply by speed if the speed is not 1
|
||||
if (abs_speed != 1) {
|
||||
delta_time *= abs_speed;
|
||||
}
|
||||
|
||||
if (waveform_) {
|
||||
UpdateValuesFromWaveform(v, delta_time);
|
||||
|
||||
if (waveform_time_ >= waveform_length_) {
|
||||
Stop();
|
||||
}
|
||||
}
|
||||
|
||||
last_time_ = current_time;
|
||||
}
|
||||
|
||||
PushValue(v);
|
||||
|
||||
QVector<double> vals = GetAverages();
|
||||
|
||||
p.setBrush(QColor(0, 0, 0, 128));
|
||||
p.setPen(Qt::NoPen);
|
||||
|
||||
bool all_zeroes = true;
|
||||
|
||||
for (int i=0;i<params_.channel_count();i++) {
|
||||
// Validate value and whether it peaked
|
||||
double vol = vals.at(i);
|
||||
if (vol > 1.0) {
|
||||
peaked_[i] = true;
|
||||
}
|
||||
|
||||
if (all_zeroes && !qIsNull(vol)) {
|
||||
all_zeroes = false;
|
||||
}
|
||||
|
||||
// Convert val to logarithmic scale
|
||||
vol = Decibel::LinearToLogarithmic(vol);
|
||||
|
||||
QRect peaks_rect, meter_rect;
|
||||
|
||||
if (horizontal) {
|
||||
int channel_y = full_meter_rect.y() + channel_size * i;
|
||||
|
||||
peaks_rect = QRect(peaks_pos, channel_y, font_height, channel_size);
|
||||
|
||||
meter_rect = full_meter_rect;
|
||||
meter_rect.setY(channel_y);
|
||||
meter_rect.setHeight(channel_size);
|
||||
meter_rect.adjust(qRound(meter_rect.width() * vol), 0, 0, 0);
|
||||
} else {
|
||||
int channel_x = full_meter_rect.x() + channel_size * i;
|
||||
|
||||
peaks_rect = QRect(channel_x, peaks_pos, channel_size, font_height);
|
||||
|
||||
meter_rect = full_meter_rect;
|
||||
meter_rect.setX(channel_x);
|
||||
meter_rect.setWidth(channel_size);
|
||||
meter_rect.adjust(0, 0, 0, -qRound(meter_rect.height() * vol));
|
||||
}
|
||||
p.drawRect(meter_rect);
|
||||
|
||||
if (!peaked_.at(i)) {
|
||||
p.drawRect(peaks_rect);
|
||||
}
|
||||
}
|
||||
|
||||
if (all_zeroes && !IsPlaying()) {
|
||||
// Optimize by disabling the update loop
|
||||
SetUpdateLoop(false);
|
||||
}
|
||||
if (all_zeroes && !IsPlaying()) {
|
||||
// Optimize by disabling the update loop
|
||||
SetUpdateLoop(false);
|
||||
}
|
||||
}
|
||||
|
||||
void AudioMonitor::mousePressEvent(QMouseEvent *)
|
||||
{
|
||||
peaked_.fill(false);
|
||||
update();
|
||||
peaked_.fill(false);
|
||||
update();
|
||||
}
|
||||
|
||||
void AudioMonitor::UpdateValuesFromWaveform(QVector<double> &v, qint64 delta_time)
|
||||
void AudioMonitor::UpdateValuesFromWaveform(QVector<double> &v,
|
||||
qint64 delta_time)
|
||||
{
|
||||
// Delta time is provided in milliseconds, so we convert to seconds in rational
|
||||
rational length(delta_time, 1000);
|
||||
// Delta time is provided in milliseconds, so we convert to seconds in rational
|
||||
rational length(delta_time, 1000);
|
||||
|
||||
AudioVisualWaveform::Sample sum = waveform_->GetSummaryFromTime(waveform_time_, length);
|
||||
AudioVisualWaveform::Sample sum =
|
||||
waveform_->GetSummaryFromTime(waveform_time_, length);
|
||||
|
||||
AudioVisualWaveformSampleToInternalValues(sum, v);
|
||||
AudioVisualWaveformSampleToInternalValues(sum, v);
|
||||
|
||||
waveform_time_ += length;
|
||||
waveform_time_ += length;
|
||||
}
|
||||
|
||||
void AudioMonitor::AudioVisualWaveformSampleToInternalValues(const AudioVisualWaveform::Sample &in, QVector<double> &out)
|
||||
void AudioMonitor::AudioVisualWaveformSampleToInternalValues(
|
||||
const AudioVisualWaveform::Sample &in, QVector<double> &out)
|
||||
{
|
||||
for (size_t i=0; i<in.size(); i++) {
|
||||
float max = qMax(qAbs(in.at(i).min), qAbs(in.at(i).max));
|
||||
for (size_t i = 0; i < in.size(); i++) {
|
||||
float max = qMax(qAbs(in.at(i).min), qAbs(in.at(i).max));
|
||||
|
||||
int output_index = i%out.size();
|
||||
if (max > out.at(output_index)) {
|
||||
out[output_index] = max;
|
||||
}
|
||||
}
|
||||
int output_index = i % out.size();
|
||||
if (max > out.at(output_index)) {
|
||||
out[output_index] = max;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void AudioMonitor::PushValue(const QVector<double> &v)
|
||||
{
|
||||
int lim = values_.size()-1;
|
||||
for (int i=0; i<lim; i++) {
|
||||
values_[i] = values_[i+1];
|
||||
}
|
||||
values_[lim] = v;
|
||||
int lim = values_.size() - 1;
|
||||
for (int i = 0; i < lim; i++) {
|
||||
values_[i] = values_[i + 1];
|
||||
}
|
||||
values_[lim] = v;
|
||||
}
|
||||
|
||||
void AudioMonitor::BytesToSampleSummary(const QByteArray &b, QVector<double> &v)
|
||||
{
|
||||
const float* samples = reinterpret_cast<const float*>(b.constData());
|
||||
int nb_samples = b.size() / sizeof(float);
|
||||
const float *samples = reinterpret_cast<const float *>(b.constData());
|
||||
int nb_samples = b.size() / sizeof(float);
|
||||
|
||||
for (int i=0;i<nb_samples;i++) {
|
||||
int channel = i % params_.channel_count();
|
||||
for (int i = 0; i < nb_samples; i++) {
|
||||
int channel = i % params_.channel_count();
|
||||
|
||||
float abs_sample = samples[i];
|
||||
float abs_sample = samples[i];
|
||||
|
||||
if (abs_sample > v.at(channel)) {
|
||||
v.replace(channel, abs_sample);
|
||||
}
|
||||
}
|
||||
if (abs_sample > v.at(channel)) {
|
||||
v.replace(channel, abs_sample);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
QVector<double> AudioMonitor::GetAverages() const
|
||||
{
|
||||
QVector<double> v(params_.channel_count(), 0);
|
||||
QVector<double> v(params_.channel_count(), 0);
|
||||
|
||||
for (int i=0;i<values_.size();i++) {
|
||||
for (int j=0;j<v.size();j++) {
|
||||
v[j] += values_.at(i).at(j);
|
||||
}
|
||||
}
|
||||
for (int i = 0; i < values_.size(); i++) {
|
||||
for (int j = 0; j < v.size(); j++) {
|
||||
v[j] += values_.at(i).at(j);
|
||||
}
|
||||
}
|
||||
|
||||
for (int i=0;i<v.size();i++) {
|
||||
v[i] /= static_cast<double>(values_.size());
|
||||
}
|
||||
for (int i = 0; i < v.size(); i++) {
|
||||
v[i] /= static_cast<double>(values_.size());
|
||||
}
|
||||
|
||||
return v;
|
||||
return v;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user