YAY

include/metadata.h

@@ -0,0 +1,56 @@
+#ifndef mice_metadata_h
+#define mice_metadata_h
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#define METADATA_TITLE_MAX 64
+#define METADATA_ARTIST_MAX 64
+#define METADATA_ALBUM_MAX 64
+
+struct metadata_t
+{
+	char title[METADATA_TITLE_MAX];
+	char artist[METADATA_ARTIST_MAX];
+	char album[METADATA_ALBUM_MAX];
+	
+	/* Album art */
+	uint8_t* albumArt;
+	size_t albumArtSize;
+	int albumArtWidth;
+	int albumArtHeight;
+	bool hasAlbumArt;
+};
+
+/**
+ * Extract metadata from an audio file
+ * 
+ * \param	file		Path to the audio file
+ * \param	metadata	Pointer to metadata structure to fill
+ * \return				0 on success, -1 on failure
+ */
+int extractMetadata(const char* file, struct metadata_t* metadata);
+
+/**
+ * Clear metadata structure and free any allocated memory
+ * 
+ * \param	metadata	Pointer to metadata structure to clear
+ */
+void clearMetadata(struct metadata_t* metadata);
+
+/**
+ * Display metadata on the top screen
+ * 
+ * \param	metadata	Pointer to metadata structure to display
+ * \param	filename	Filename to display if no title is available
+ */
+void displayMetadata(struct metadata_t* metadata, const char* filename);
+
+/**
+ * Display album art on top screen if available
+ * 
+ * \param	metadata	Pointer to metadata structure containing album art
+ */
+void displayAlbumArt(struct metadata_t* metadata);
+
+#endif