Fixed track with no channels

Do-sth-sharp · Jul 13, 2024 · 3e37b64 · 3e37b64
1 parent 2d13ea5
commit 3e37b64
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Showing 3 changed files with 72 additions and 43 deletions.
diff --git a/src/audioCore/graph/SeqSourceProcessor.cpp b/src/audioCore/graph/SeqSourceProcessor.cpp
@@ -503,6 +503,7 @@ void SeqSourceProcessor::prepareToPlay(
 void SeqSourceProcessor::processBlock(
  juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages) {
  /** Check Buffer Is Empty */
+ if (buffer.getNumChannels() <= 0) { return; }
  if (buffer.getNumSamples() <= 0) { return; }
 
  /** Clear Audio Channel */

diff --git a/src/audioCore/graph/Track.cpp b/src/audioCore/graph/Track.cpp
@@ -166,6 +166,7 @@ bool Track::removeAdditionalAudioBus() {
 }
 
 int Track::getAdditionalAudioBusNum() const {
+ if (this->audioChannels.size() <= 0) { return 0; }
  return this->getTotalNumInputChannels() / this->audioChannels.size() - 1;
 }
 
@@ -256,17 +257,19 @@ void Track::prepareToPlay(double sampleRate, int maximumExpectedSamplesPerBlock)
  return;
  }
 
- /** Prepare Gain And Panner */
- this->gainAndPanner.prepare(juce::dsp::ProcessSpec(
- sampleRate, maximumExpectedSamplesPerBlock,
- this->audioChannels.size()
- ));
-
- /** Prepare Slider */
- this->slider.prepare(juce::dsp::ProcessSpec(
- sampleRate, maximumExpectedSamplesPerBlock,
- this->audioChannels.size()
- ));
+ if (this->audioChannels.size() > 0) {
+ /** Prepare Gain And Panner */
+ this->gainAndPanner.prepare(juce::dsp::ProcessSpec(
+ sampleRate, maximumExpectedSamplesPerBlock,
+ this->audioChannels.size()
+ ));
+
+ /** Prepare Slider */
+ this->slider.prepare(juce::dsp::ProcessSpec(
+ sampleRate, maximumExpectedSamplesPerBlock,
+ this->audioChannels.size()
+ ));
+ }
 
  /** Prepare Current Graph */
  this->AudioProcessorGraph::prepareToPlay(sampleRate, maximumExpectedSamplesPerBlock);
@@ -363,6 +366,10 @@ bool Track::canRemoveBus(bool isInput) const {
 }
 
 void Track::processBlock(juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages) {
+ /** Check Buffer Is Empty */
+ if (buffer.getNumChannels() <= 0) { return; }
+ if (buffer.getNumSamples() <= 0) { return; }
+
  /** Process Gain And Panner */
  int mainChannels = this->audioChannels.size();
  auto block = juce::dsp::AudioBlock<float>(buffer).getSubsetChannelBlock(

diff --git a/src/ui/component/askfor/ChannelLinkView.cpp b/src/ui/component/askfor/ChannelLinkView.cpp
@@ -119,33 +119,50 @@ void ChannelLinkViewContent::paint(juce::Graphics& g) {
  g.setColour(lineColor);
  g.drawRect(tableRect, lineThickness);
 
+ /** Table Content Line */
+ juce::Rectangle<float> tableContentHLineRect(
+ paddingWidth + titleWidth + 2 * cellWidth - lineThickness / 2,
+ paddingHeight + titleHeight,
+ lineThickness, tableHeight);
+ juce::Rectangle<float> tableContentVLineRect(
+ paddingWidth + titleWidth,
+ paddingHeight + titleHeight + 2 * cellHeight - lineThickness / 2,
+ tableWidth, lineThickness);
+ g.setColour(lineColor);
+ g.fillRect(tableContentHLineRect);
+ g.fillRect(tableContentVLineRect);
+
  /** H Line */
  g.setColour(lineColor);
  int dstChannelPerBus = this->dstChannels.size();
- for (int i = 0; i <= this->dstChannelNum + 2; i++) {
- if (i >= 2) {
- bool longLine = ((i - 2) % dstChannelPerBus) == 0;
- juce::Rectangle<float> lineRect(
- paddingWidth + titleWidth + i * cellWidth - lineThickness / 2,
- paddingHeight + titleHeight + (longLine ? 0 : cellHeight),
- lineThickness,
- (this->srcChannelNum + 2) * cellHeight - (longLine ? 0 : cellHeight));
- g.fillRect(lineRect);
+ if (dstChannelPerBus > 0) {
+ for (int i = 0; i <= this->dstChannelNum + 2; i++) {
+ if (i >= 2) {
+ bool longLine = ((i - 2) % dstChannelPerBus) == 0;
+ juce::Rectangle<float> lineRect(
+ paddingWidth + titleWidth + i * cellWidth - lineThickness / 2,
+ paddingHeight + titleHeight + (longLine ? 0 : cellHeight),
+ lineThickness,
+ (this->srcChannelNum + 2) * cellHeight - (longLine ? 0 : cellHeight));
+ g.fillRect(lineRect);
+ }
  }
  }
 
  /** V Line */
  g.setColour(lineColor);
  int srcChannelPerBus = this->srcChannels.size();
- for (int i = 0; i <= this->srcChannelNum + 2; i++) {
- if (i >= 2) {
- bool longLine = ((i - 2) % srcChannelPerBus) == 0;
- juce::Rectangle<float> lineRect(
- paddingWidth + titleWidth + (longLine ? 0 : cellWidth),
- paddingHeight + titleHeight + i * cellHeight - lineThickness / 2,
- (this->dstChannelNum + 2) * cellWidth - (longLine ? 0 : cellWidth),
- lineThickness);
- g.fillRect(lineRect);
+ if (srcChannelPerBus > 0) {
+ for (int i = 0; i <= this->srcChannelNum + 2; i++) {
+ if (i >= 2) {
+ bool longLine = ((i - 2) % srcChannelPerBus) == 0;
+ juce::Rectangle<float> lineRect(
+ paddingWidth + titleWidth + (longLine ? 0 : cellWidth),
+ paddingHeight + titleHeight + i * cellHeight - lineThickness / 2,
+ (this->dstChannelNum + 2) * cellWidth - (longLine ? 0 : cellWidth),
+ lineThickness);
+ g.fillRect(lineRect);
+ }
  }
  }
 
@@ -160,25 +177,29 @@ void ChannelLinkViewContent::paint(juce::Graphics& g) {
  /** H Bus ID */
  g.setColour(textColor);
  g.setFont(textFont);
- int dstBusNum = this->dstChannelNum / dstChannelPerBus;
- for (int i = 0; i < dstBusNum; i++) {
- juce::Rectangle<int> textRect(
- paddingWidth + titleWidth + cellWidth * 2 + i * cellWidth * dstChannelPerBus,
- paddingHeight + titleHeight, cellWidth * dstChannelPerBus, cellHeight);
- g.drawFittedText(juce::String{ i }, textRect,
- juce::Justification::centred, 1, 0.f);
+ if (dstChannelPerBus > 0) {
+ int dstBusNum = this->dstChannelNum / dstChannelPerBus;
+ for (int i = 0; i < dstBusNum; i++) {
+ juce::Rectangle<int> textRect(
+ paddingWidth + titleWidth + cellWidth * 2 + i * cellWidth * dstChannelPerBus,
+ paddingHeight + titleHeight, cellWidth * dstChannelPerBus, cellHeight);
+ g.drawFittedText(juce::String{ i }, textRect,
+ juce::Justification::centred, 1, 0.f);
+ }
  }
 
  /** V Bus ID */
  g.setColour(textColor);
  g.setFont(textFont);
- int srcBusNum = this->srcChannelNum / srcChannelPerBus;
- for (int i = 0; i < srcBusNum; i++) {
- juce::Rectangle<int> textRect(paddingWidth + titleWidth,
- paddingHeight + titleHeight + cellHeight * 2 + i * cellHeight * srcChannelPerBus,
- cellWidth, cellHeight * srcChannelPerBus);
- g.drawFittedText(juce::String{ i }, textRect,
- juce::Justification::centred, 1, 0.f);
+ if (srcChannelPerBus > 0) {
+ int srcBusNum = this->srcChannelNum / srcChannelPerBus;
+ for (int i = 0; i < srcBusNum; i++) {
+ juce::Rectangle<int> textRect(paddingWidth + titleWidth,
+ paddingHeight + titleHeight + cellHeight * 2 + i * cellHeight * srcChannelPerBus,
+ cellWidth, cellHeight * srcChannelPerBus);
+ g.drawFittedText(juce::String{ i }, textRect,
+ juce::Justification::centred, 1, 0.f);
+ }
  }
 
  /** H Channel Name */