Fixed length and zoom factor

ffAudio · Jul 31, 2023 · f2d9c6c · f2d9c6c
1 parent d7ac9e9
commit f2d9c6c
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/Examples/PlayerExample/Source/AudioThumbnail.cpp b/Examples/PlayerExample/Source/AudioThumbnail.cpp
@@ -53,7 +53,10 @@ void WaveformDisplay::paint (juce::Graphics& g)
     g.setColour (juce::Colours::red);
 
     if (thumbnail)
-        thumbnail->drawChannels (g, getLocalBounds().reduced (3), 0.0, 10.0, 1.0);
+    {
+        auto peak = thumbnail->getApproximatePeak();
+        thumbnail->drawChannels (g, getLocalBounds().reduced (3), 0.0, thumbnail->getTotalLength(), peak > 0.0f ? 1.0f / peak : 1.0f);
+    }
     else
         g.drawFittedText (TRANS ("No File"), getLocalBounds(), juce::Justification::centred, 1);
 }
@@ -79,6 +82,9 @@ void WaveformDisplay::updateAudioFile()
         return;
     }
 
+    if (!audioThumb->getAudioFile().existsAsFile())
+        return;
+
     thumbnail = std::make_unique<juce::AudioThumbnail> (256, audioThumb->getManager(), audioThumb->getCache());
     thumbnail->setSource (new juce::FileInputSource (audioThumb->getAudioFile()));
     thumbnail->addChangeListener (this);