Clean up RTCVideoFrame

webrtc/sdk/objc/Framework/Classes/RTCI420Shader.mm

 /*
  *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 170 matching lines @@
                0,
                RTC_PIXEL_FORMAT,
                GL_UNSIGNED_BYTE,
                uploadPlane);
 }
 
 - (BOOL)updateTextureDataForFrame:(RTCVideoFrame *)frame {
   GLint textureOffset = _currentTextureSet * 3;
   NSAssert(textureOffset + 3 <= kNumTextures, @"invalid offset");
 
-  if (frame.yPitch != static_cast<int32_t>(frame.width) ||
-      frame.uPitch != static_cast<int32_t>(frame.chromaWidth) ||
-      frame.vPitch != static_cast<int32_t>(frame.chromaWidth)) {
+  const int chromaWidth = (frame.width + 1) / 2;
+  const int chromaHeight = (frame.height + 1) / 2;
+  if (frame.strideY != frame.width ||
+      frame.strideU != chromaWidth ||
+      frame.strideV != chromaWidth) {
     _planeBuffer.resize(frame.width * frame.height);
   }
 
-  [self uploadPlane:frame.yPlane
+  [self uploadPlane:frame.dataY
             sampler:_ySampler
              offset:textureOffset
               width:frame.width
              height:frame.height
-             stride:frame.yPitch];
+             stride:frame.strideY];
 
-  [self uploadPlane:frame.uPlane
+  [self uploadPlane:frame.dataU
             sampler:_uSampler
              offset:textureOffset + 1
-              width:frame.chromaWidth
-             height:frame.chromaHeight
-             stride:frame.uPitch];
+              width:chromaWidth
+             height:chromaHeight
+             stride:frame.strideU];
 
-  [self uploadPlane:frame.vPlane
+  [self uploadPlane:frame.dataV
             sampler:_vSampler
              offset:textureOffset + 2
-              width:frame.chromaWidth
-             height:frame.chromaHeight
-             stride:frame.vPitch];
+              width:chromaWidth
+             height:chromaHeight
+             stride:frame.strideV];
 
   _currentTextureSet = (_currentTextureSet + 1) % kNumTextureSets;
   return YES;
 }
 
 @end