Fix alignment in track scanner

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/avi/AviExtractor.java

@@ -84,6 +84,14 @@ public class AviExtractor implements Extractor {
   //If partial read
   private transient AviTrack chunkHandler;
 
+  static void alignInput(ExtractorInput input) throws IOException {
+    // This isn't documented anywhere, but most files are aligned to even bytes
+    // and can have gaps of zeros
+    if ((input.getPosition() & 1) == 1) {
+      input.skipFully(1);
+    }
+  }
+
   public AviExtractor() {
     this(0);
   }
@@ -406,11 +414,7 @@ public class AviExtractor implements Extractor {
     } else {
       ByteBuffer byteBuffer = allocate(8);
       final byte[] bytes = byteBuffer.array();
-      // This isn't documented anywhere, but most files are aligned to even bytes
-      // and can have gaps of zeros
-      if ((input.getPosition() & 1) == 1) {
-        input.skipFully(1);
-      }
+      alignInput(input);
       input.readFully(bytes, 0, 1);
       while (bytes[0] == 0) {
         input.readFully(bytes, 0, 1);

library/extractor/src/main/java/com/google/android/exoplayer2/extractor/avi/ListBox.java

@@ -60,7 +60,7 @@ public class ListBox extends Box {
     byte [] bytes = headerBuffer.array();
     input.readFully(bytes, 0, 4);
     final int listType = headerBuffer.getInt();
-
+    //String listTypeName = AviExtractor.toString(listType);
     long endPos = input.getPosition() + listSize - 4;
     while (input.getPosition() + 8 < endPos) {
       headerBuffer.clear();
@@ -73,7 +73,7 @@ public class ListBox extends Box {
       } else {
         box = boxFactory.createBox(type, size, input);
       }
-
+      AviExtractor.alignInput(input);
       if (box != null) {
         list.add(box);
       }