Add better error messages and add support for mp3/ogg/flac

Source/MainComponent.cpp

@@ -10,7 +10,7 @@ MainComponent::MainComponent(OscirenderAudioProcessor& p, OscirenderAudioProcess
     fileButton.setButtonText("Choose File(s)");
     
 	fileButton.onClick = [this] {
-		chooser = std::make_unique<juce::FileChooser>("Open", audioProcessor.lastOpenedDirectory, "*.obj;*.svg;*.lua;*.txt;*.gpla;*.gif;*.png;*.jpg;*.jpeg;*.wav;*.aiff");
+		chooser = std::make_unique<juce::FileChooser>("Open", audioProcessor.lastOpenedDirectory, "*.obj;*.svg;*.lua;*.txt;*.gpla;*.gif;*.png;*.jpg;*.jpeg;*.wav;*.aiff;*.ogg;*.flac;*.mp3");
 		auto flags = juce::FileBrowserComponent::openMode | juce::FileBrowserComponent::canSelectMultipleItems |
             juce::FileBrowserComponent::canSelectFiles;
 

Source/PluginEditor.cpp

@@ -109,6 +109,9 @@ bool OscirenderAudioProcessorEditor::isInterestedInFileDrag(const juce::StringAr
     return
         file.hasFileExtension("wav") ||
         file.hasFileExtension("aiff") ||
+        file.hasFileExtension("ogg") ||
+        file.hasFileExtension("flac") ||
+        file.hasFileExtension("mp3") ||
         file.hasFileExtension("osci") ||
         file.hasFileExtension("txt") ||
         file.hasFileExtension("lua") ||
@@ -139,7 +142,8 @@ void OscirenderAudioProcessorEditor::filesDropped(const juce::StringArray& files
 }
 
 bool OscirenderAudioProcessorEditor::isBinaryFile(juce::String name) {
-    return name.endsWith(".gpla") || name.endsWith(".gif") || name.endsWith(".png") || name.endsWith(".jpg") || name.endsWith(".jpeg") || name.endsWith(".wav") || name.endsWith(".aiff");
+    name = name.toLowerCase();
+    return name.endsWith(".gpla") || name.endsWith(".gif") || name.endsWith(".png") || name.endsWith(".jpg") || name.endsWith(".jpeg") || name.endsWith(".wav") || name.endsWith(".aiff") || name.endsWith(".ogg") || name.endsWith(".mp3") || name.endsWith(".flac");
 }
 
 // parsersLock must be held

Source/PluginProcessor.cpp

@@ -321,7 +321,7 @@ void OscirenderAudioProcessor::openFile(int index) {
 	if (index < 0 || index >= fileBlocks.size()) {
 		return;
 	}
-    parsers[index]->parse(juce::String(fileIds[index]), fileNames[index].fromLastOccurrenceOf(".", true, false), std::make_unique<juce::MemoryInputStream>(*fileBlocks[index], false), font);
+    parsers[index]->parse(juce::String(fileIds[index]), fileNames[index].fromLastOccurrenceOf(".", true, false).toLowerCase(), std::make_unique<juce::MemoryInputStream>(*fileBlocks[index], false), font);
     changeCurrentFile(index);
 }
 

Source/components/OsciMainMenuBarModel.cpp

@@ -10,9 +10,9 @@ OsciMainMenuBarModel::OsciMainMenuBarModel(OscirenderAudioProcessor& p, Oscirend
         addTopLevelMenu("Audio");
     }
 
-    addMenuItem(0, "Open", [this] { editor.openProject(); });
-    addMenuItem(0, "Save", [this] { editor.saveProject(); });
-    addMenuItem(0, "Save As", [this] { editor.saveProjectAs(); });
+    addMenuItem(0, "Open Project", [this] { editor.openProject(); });
+    addMenuItem(0, "Save Project", [this] { editor.saveProject(); });
+    addMenuItem(0, "Save Project As", [this] { editor.saveProjectAs(); });
     if (editor.processor.wrapperType == juce::AudioProcessor::WrapperType::wrapperType_Standalone) {
         addMenuItem(0, "Create New Project", [this] { editor.resetToDefault(); });
     }

Source/img/ImageParser.cpp

@@ -12,6 +12,9 @@ ImageParser::ImageParser(OscirenderAudioProcessor& p, juce::String extension, ju
         if (output.openedOk()) {
             output.write(image.getData(), image.getSize());
             output.flush();
+        } else {
+            handleError("The image could not be loaded.");
+            return;
         }
     }
     
@@ -43,9 +46,13 @@ ImageParser::ImageParser(OscirenderAudioProcessor& p, juce::String extension, ju
             }
 
             gd_close_gif(gif);
+        } else {
+            handleError("The image could not be loaded. Please try optimising the GIF with https://ezgif.com/optimize.");
+            return;
         }
     } else {
         juce::Image image = juce::ImageFileFormat::loadFrom(file);
+        if (image.isValid()) {
             image.desaturate();
             
             width = image.getWidth();
@@ -65,16 +72,19 @@ ImageParser::ImageParser(OscirenderAudioProcessor& p, juce::String extension, ju
                     frames[0][index] = pixel.isTransparent() ? 0 : juce::jmax(1, value);
                 }
             }
+        } else {
+            handleError("The image could not be loaded.");
+            return;
+        }
     }
     
     if (frames.size() == 0) {
-        juce::MessageManager::callAsync([this] {
-            juce::AlertWindow::showMessageBoxAsync(juce::AlertWindow::AlertIconType::WarningIcon, "Invalid GIF", "The image could not be loaded. Please try optimising the GIF with https://ezgif.com/optimize.");
-        });
-        
-        width = 1;
-        height = 1;
-        frames.emplace_back(std::vector<uint8_t>(1));
+        if (extension.equalsIgnoreCase(".gif")) {
+            handleError("The image could not be loaded. Please try optimising the GIF with https://ezgif.com/optimize.");
+        } else {
+            handleError("The image could not be loaded.");
+        }
+        return;
     }
 
     setFrame(0);
@@ -82,6 +92,17 @@ ImageParser::ImageParser(OscirenderAudioProcessor& p, juce::String extension, ju
 
 ImageParser::~ImageParser() {}
 
+void ImageParser::handleError(juce::String message) {
+    juce::MessageManager::callAsync([this, message] {
+        juce::AlertWindow::showMessageBoxAsync(juce::AlertWindow::AlertIconType::WarningIcon, "Error", message);
+    });
+    
+    width = 1;
+    height = 1;
+    frames.emplace_back(std::vector<uint8_t>(1));
+    setFrame(0);
+}
+
 void ImageParser::setFrame(int index) {
     // Ensure that the frame number is within the bounds of the number of frames
     // This weird modulo trick is to handle negative numbers

Source/img/ImageParser.h

@@ -21,6 +21,7 @@ private:
     void findWhite(double thresholdPow, bool invert);
     bool isOverThreshold(double pixel, double thresholdValue);
 	int jumpFrequency();
+    void handleError(juce::String message);
 
 	OscirenderAudioProcessor& audioProcessor;
 	juce::Random rng;

Source/parser/FileParser.cpp

@@ -41,8 +41,7 @@ void FileParser::parse(juce::String fileId, juce::String extension, std::unique_
 		}
 		if (isBinary) {
 			gpla = std::make_shared<LineArtParser>(gplaData, bytesRead);
-		}
-		else {
+		} else {
 			stream->setPosition(0);
 			gpla = std::make_shared<LineArtParser>(stream->readEntireStreamAsString());
 		}
@@ -50,9 +49,13 @@ void FileParser::parse(juce::String fileId, juce::String extension, std::unique_
 		juce::MemoryBlock buffer{};
 		int bytesRead = stream->readIntoMemoryBlock(buffer);
 		img = std::make_shared<ImageParser>(audioProcessor, extension, buffer);
-	} else if (extension == ".wav" || extension == ".aiff") {
+	} else if (extension == ".wav" || extension == ".aiff" || extension == ".flac" || extension == ".ogg" || extension == ".mp3") {
 		wav = std::make_shared<WavParser>(audioProcessor);
-		wav->parse(std::move(stream));
+        if (!wav->parse(std::move(stream))) {
+            juce::MessageManager::callAsync([this] {
+                juce::AlertWindow::showMessageBoxAsync(juce::AlertWindow::AlertIconType::WarningIcon, "Error", "The audio file could not be loaded.");
+            });
+        }
 	}
 
 	isAnimatable = gpla != nullptr || (img != nullptr && extension == ".gif");

Source/svg/SvgParser.cpp

@@ -22,6 +22,10 @@ SvgParser::SvgParser(juce::String svgFile) {
         }
     }
     
+    juce::MessageManager::callAsync([this] {
+        juce::AlertWindow::showMessageBoxAsync(juce::AlertWindow::AlertIconType::WarningIcon, "Error", "The SVG could not be loaded.");
+    });
+    
     // draw an X to indicate an error.
     shapes.push_back(std::make_unique<Line>(-0.5, -0.5, 0.5, 0.5));
     shapes.push_back(std::make_unique<Line>(-0.5, 0.5, 0.5, -0.5));