translate the note FFmpegHandler into English

translate the note FFmpegHandler into English

app/src/main/java/com/frank/ffmpeg/format/VideoLayout.java

@@ -1,15 +1,15 @@
 package com.frank.ffmpeg.format;
 
 /**
- * 视频布局
+ * layout of video
  * Created by frank on 2018/6/18.
  */
 
 public class VideoLayout {
 
-    //水平拼接
+    //horizontal join
     public final static int LAYOUT_HORIZONTAL = 1;
-    //垂直拼接
+    //vertical join
     public final static int LAYOUT_VERTICAL = 2;
 
 }

app/src/main/java/com/frank/ffmpeg/handler/FFmpegHandler.java

@@ -9,7 +9,7 @@ import com.frank.ffmpeg.model.MediaBean;
 import com.frank.ffmpeg.tool.JsonParseTool;
 
 /**
- * Handler消息处理器
+ * Handler of FFmpeg and FFprobe
  * Created by frank on 2019/11/11.
  */
 public class FFmpegHandler {
@@ -37,11 +37,12 @@ public class FFmpegHandler {
     }
 
     /**
-     * 执行ffmpeg命令行
+     * execute the command of FFmpeg
+     *
      * @param commandLine commandLine
      */
     public void executeFFmpegCmd(final String[] commandLine) {
-        if(commandLine == null) {
+        if (commandLine == null) {
             return;
         }
         FFmpegCmd.execute(commandLine, new OnHandleListener() {
@@ -54,9 +55,9 @@ public class FFmpegHandler {
             @Override
             public void onEnd(int resultCode, String resultMsg) {
                 Log.i(TAG, "handle onEnd...");
-                if(isContinue) {
+                if (isContinue) {
                     mHandler.obtainMessage(MSG_CONTINUE).sendToTarget();
-                }else {
+                } else {
                     mHandler.obtainMessage(MSG_FINISH).sendToTarget();
                 }
             }
@@ -64,11 +65,12 @@ public class FFmpegHandler {
     }
 
     /**
-     * execute probe cmd
+     * execute the command of FFprobe
+     *
      * @param commandLine commandLine
      */
     public void executeFFprobeCmd(final String[] commandLine) {
-        if(commandLine == null) {
+        if (commandLine == null) {
             return;
         }
         FFmpegCmd.executeProbe(commandLine, new OnHandleListener() {
@@ -82,7 +84,7 @@ public class FFmpegHandler {
             public void onEnd(int resultCode, String resultMsg) {
                 Log.i(TAG, "handle ffprobe onEnd result=" + resultMsg);
                 MediaBean mediaBean = null;
-                if(resultMsg != null && !resultMsg.isEmpty()) {
+                if (resultMsg != null && !resultMsg.isEmpty()) {
                     mediaBean = JsonParseTool.parseMediaFormat(resultMsg);
                 }
                 mHandler.obtainMessage(MSG_FINISH, mediaBean).sendToTarget();