diff --git a/en-US/dita/RTC-NG/API/class_videoframe.dita b/en-US/dita/RTC-NG/API/class_videoframe.dita
index 67f74220edb..71b4703f1cb 100644
--- a/en-US/dita/RTC-NG/API/class_videoframe.dita
+++ b/en-US/dita/RTC-NG/API/class_videoframe.dita
@@ -7,45 +7,45 @@
         <section id="prototype">
             <p outputclass="codeblock">
             <codeblock props="android" outputclass="language-java">public class VideoFrame implements RefCounted {
-
+  
   public interface Buffer extends RefCounted {
-
+    
     @CalledByNative(&quot;Buffer&quot;) int getWidth();
-
+    
     @CalledByNative(&quot;Buffer&quot;) int getHeight();
-
+    
     @CalledByNative(&quot;Buffer&quot;) I420Buffer toI420();
-
+    
     @Override @CalledByNative(&quot;Buffer&quot;) void release();
-
+    
     @Override @CalledByNative(&quot;Buffer&quot;) void retain();
-
+    
     @CalledByNative(&quot;Buffer&quot;)
     Buffer cropAndScale(
         int cropX, int cropY, int cropWidth, int cropHeight, int scaleWidth, int scaleHeight);
-
+    
     @CalledByNative(&quot;Buffer&quot;) @Nullable Buffer mirror(int frameRotation);
-
+    
     @CalledByNative(&quot;Buffer&quot;) @Nullable Buffer rotate(int frameRotation);
-
+    
     @CalledByNative(&quot;Buffer&quot;)
     @Nullable
     Buffer transform(int cropX, int cropY, int cropWidth, int cropHeight, int scaleWidth,
         int scaleHeight, int frameRotation);
   }
-
+  
   public interface I420Buffer extends Buffer {
-
+    
     @CalledByNative(&quot;I420Buffer&quot;) ByteBuffer getDataY();
-
+    
     @CalledByNative(&quot;I420Buffer&quot;) ByteBuffer getDataU();
-
+    
     @CalledByNative(&quot;I420Buffer&quot;) ByteBuffer getDataV();
     @CalledByNative(&quot;I420Buffer&quot;) int getStrideY();
     @CalledByNative(&quot;I420Buffer&quot;) int getStrideU();
     @CalledByNative(&quot;I420Buffer&quot;) int getStrideV();
   }
-
+  
   public interface I422Buffer extends Buffer {
     @CalledByNative(&quot;I422Buffer&quot;) ByteBuffer getDataY();
     @CalledByNative(&quot;I422Buffer&quot;) ByteBuffer getDataU();
@@ -55,13 +55,13 @@
     @CalledByNative(&quot;I422Buffer&quot;) int getStrideV();
   }
   public interface RgbaBuffer extends Buffer { @CalledByNative(&quot;RgbaBuffer&quot;) ByteBuffer getData(); }
-
+  
   public interface TextureBuffer extends Buffer {
-
+    
     enum Type {
-
+      
       OES(GLES11Ext.GL_TEXTURE_EXTERNAL_OES),
-
+      
       RGB(GLES20.GL_TEXTURE_2D);
       private final int glTarget;
       private Type(final int glTarget) {
@@ -76,17 +76,17 @@
       EGL_CONTEXT_14;
     }
     Type getType();
-
+    
     @CalledByNative(&quot;TextureBuffer&quot;) int getTextureId();
-
+    
     Matrix getTransformMatrix();
-
+    
     @CalledByNative(&quot;TextureBuffer&quot;) EglBase.Context getEglBaseContext();
     @CalledByNative(&quot;TextureBuffer&quot;) Object getSourceTexturePool();
     @CalledByNative(&quot;TextureBuffer&quot;) long getNativeEglContext();
     @CalledByNative(&quot;TextureBuffer&quot;) int getEglContextType();
     @CalledByNative(&quot;TextureBuffer&quot;) float[] getTransformMatrixArray();
-
+    
     @CalledByNative(&quot;TextureBuffer&quot;) int getSequence();
     @CalledByNative(&quot;TextureBuffer&quot;) long getFenceObject();
     @CalledByNative(&quot;TextureBuffer&quot;) boolean is10BitTexture();
@@ -198,22 +198,22 @@
       return stitchMode;
     }
   }
-
+  
   private Buffer buffer;
-
+  
   private int rotation;
-
+  
   private long timestampNs;
   private ColorSpace colorSpace;
   private SourceType sourceType;
   private float sampleAspectRatio;
-
+  
   private AlphaStitchMode alphaStitchMode = AlphaStitchMode.ALPHA_NO_STITCH;
   private VideoFrameMetaInfo metaInfo = new VideoFrameMetaInfo();
-
+  
   private @Nullable ByteBuffer alphaBuffer;
   private long nativeAlphaBuffer;
-
+  
   public VideoFrame(Buffer buffer, int rotation, long timestampNs) {
     this(buffer, rotation, timestampNs, new WrappedNativeColorSpace(), null, 0L, 1.0f,
         SourceType.kUnspecified.ordinal());
@@ -243,12 +243,12 @@
   public float getSampleAspectRatio() {
     return sampleAspectRatio;
   }
-
+  
   @CalledByNative
   public Buffer getBuffer() {
     return buffer;
   }
-
+  
   @CalledByNative
   public int getRotation() {
     return rotation;
@@ -261,7 +261,7 @@
   public void setAlphaStitchMode(int stitchMode) {
     alphaStitchMode = AlphaStitchMode.values()[stitchMode];
   }
-
+  
   @CalledByNative
   public long getTimestampNs() {
     return timestampNs;
@@ -270,7 +270,7 @@
   public VideoFrameMetaInfo getMetaInfo() {
     return metaInfo;
   }
-
+  
   public int getRotatedWidth() {
     if (rotation % 180 == 0) {
       return (alphaStitchMode == AlphaStitchMode.ALPHA_STITCH_LEFT
@@ -283,7 +283,7 @@
         ? buffer.getHeight() / 2
         : buffer.getHeight();
   }
-
+  
   public int getRotatedHeight() {
     if (rotation % 180 == 0) {
       return (alphaStitchMode == AlphaStitchMode.ALPHA_STITCH_UP
@@ -296,7 +296,7 @@
         ? buffer.getWidth() / 2
         : buffer.getWidth();
   }
-
+  
   public void replaceBuffer(Buffer buffer, int rotation, long timestampNs) {
     release();
     this.buffer = buffer;
@@ -351,12 +351,12 @@
   public void fillAlphaData(ByteBuffer buffer) {
     alphaBuffer = buffer;
   }
-
+  
   @Override
   public void retain() {
     buffer.retain();
   }
-
+  
   @Override
   @CalledByNative
   public void release() {
@@ -431,51 +431,51 @@ struct VideoFrame {
   metaInfo(NULL){
     memset(matrix, 0, sizeof(matrix));
   }
-
+  
   VIDEO_PIXEL_FORMAT type;
-
+  
   int width;
-
+  
   int height;
-
+  
   int yStride;
-
+  
   int uStride;
-
+  
   int vStride;
-
+  
   uint8_t* yBuffer;
-
+  
   uint8_t* uBuffer;
-
+  
   uint8_t* vBuffer;
-
+  
   int rotation;
-
+  
   int64_t renderTimeMs;
-
+  
   int avsync_type;
-
+  
   uint8_t* metadata_buffer;
-
+  
   int metadata_size;
-
+  
   void* sharedContext;
-
+  
   int textureId;
-
+  
   void* d3d11Texture2d;
-
+  
   float matrix[16];
-
+  
   uint8_t* alphaBuffer;
-
+  
   ALPHA_STITCH_MODE alphaStitchMode;
-
+  
   void* pixelBuffer;
-
+  
   IVideoFrameMetaInfo* metaInfo;
-
+  
   ColorSpace colorSpace;
 };</codeblock>
          <codeblock props="bp" outputclass="language-cpp">USTRUCT(BlueprintType)