diff --git a/app/src/main/res/layout/activity_from_file.xml b/app/src/main/res/layout/activity_from_file.xml
index 40a859c70..7732ada7e 100644
--- a/app/src/main/res/layout/activity_from_file.xml
+++ b/app/src/main/res/layout/activity_from_file.xml
@@ -84,8 +84,9 @@
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:id="@+id/tv_file"
-      android:layout_above="@+id/b_select_file"
-      android:layout_centerHorizontal="true"
+      app:layout_constraintBottom_toTopOf="@id/b_select_file"
+      app:layout_constraintLeft_toLeftOf="parent"
+      app:layout_constraintRight_toRightOf="parent"
       android:textColor="@color/appColor"
       android:layout_margin="10dp"
       />
diff --git a/encoder/src/main/java/com/pedro/encoder/input/decoder/BaseDecoder.java b/encoder/src/main/java/com/pedro/encoder/input/decoder/BaseDecoder.java
index 38dabc823..f47500cb1 100644
--- a/encoder/src/main/java/com/pedro/encoder/input/decoder/BaseDecoder.java
+++ b/encoder/src/main/java/com/pedro/encoder/input/decoder/BaseDecoder.java
@@ -255,13 +255,17 @@ private void decode() {
           } else {
             input = codec.getInputBuffers()[inIndex];
           }
+          if (input == null) continue;
           sampleSize = extractor.readSampleData(input, 0);
 
           long ts = System.nanoTime() / 1000 - startTs;
           long extractorTs = extractor.getSampleTime();
           accumulativeTs += extractorTs - lastExtractorTs;
           lastExtractorTs = extractor.getSampleTime();
-          if (accumulativeTs > ts) sleepTime = accumulativeTs - ts;
+
+          if (accumulativeTs > ts) sleepTime = (accumulativeTs - ts) / 1000;
+          else sleepTime = 0;
+
           if (sampleSize < 0) {
             if (!loopMode) {
               codec.queueInputBuffer(inIndex, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
@@ -273,7 +277,7 @@ private void decode() {
         }
         int outIndex = codec.dequeueOutputBuffer(bufferInfo, 10000);
         if (outIndex >= 0) {
-          if (!sleep(sleepTime / 1000)) return;
+          if (!sleep(sleepTime)) return;
           ByteBuffer output;
           if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
             output = codec.getOutputBuffer(outIndex);
diff --git a/library/src/main/java/com/pedro/library/base/FromFileBase.java b/library/src/main/java/com/pedro/library/base/FromFileBase.java
index a6749b47d..b7e435c97 100644
--- a/library/src/main/java/com/pedro/library/base/FromFileBase.java
+++ b/library/src/main/java/com/pedro/library/base/FromFileBase.java
@@ -485,8 +485,8 @@ public void stopStream() {
    * @param loopMode true in loop, false stop stream when video finish.
    */
   public void setLoopMode(boolean loopMode) {
-    if (videoEnabled) videoDecoder.setLoopMode(loopMode);
-    if (audioEnabled) audioDecoder.setLoopMode(loopMode);
+    videoDecoder.setLoopMode(loopMode);
+    audioDecoder.setLoopMode(loopMode);
   }
 
   public void reSyncFile() {