fix: Lower the risk of OutOfMemoryError

- Seems like we encounter this issue when we try to convert a very large byte array representing an image to a base64 string
  - Sentry reported failing to allocated 144 MB

android/src/main/java/com/cyanchill/missingcore/metadataretriever/Utils.kt

@@ -2,6 +2,7 @@ package com.cyanchill.missingcore.metadataretriever
 
 import android.util.Base64
 import androidx.media3.common.MimeTypes
+import java.io.ByteArrayOutputStream
 import java.net.URLConnection
 
 
@@ -18,7 +19,21 @@ fun getBase64Image(bytes: ByteArray?): String? {
   // Ensure the mimeType we get is defined and is for an image.
   if (!MimeTypes.isImage(mimeType)) return null
 
-  return "data:$mimeType;base64,${Base64.encodeToString(bytes as ByteArray, Base64.DEFAULT)}"
+  // Use simplier & faster method for converting the byte array to a string based on its size (<5MB).
+  if (bytes.size < 5 * 1024 * 1024) {
+    return "data:$mimeType;base64,${Base64.encodeToString(bytes as ByteArray, Base64.DEFAULT)}"
+  }
+
+  // Process large byte array (>=5MB) more efficiently to prevent `OutOfMemoryError`.
+  val outputStream = ByteArrayOutputStream()
+  bytes.asSequence()
+    .chunked(3 * 1024 * 1024) // 4 characters usually convert to 3 bytes; so we should chunk in multiples of 3.
+    .forEach { chunk ->
+      val encodedChunk = Base64.encode(chunk.toByteArray(), Base64.NO_WRAP)
+      outputStream.write(encodedChunk)
+    }
+
+  return "data:$mimeType;base64,${outputStream.toString()}"
 }
 
 /**