Revert of Delete unused and almost unused frame-related methods.

webrtc/common_video/video_frame_buffer.cc

 /*
  *  Copyright (c) 2015 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 12 matching lines @@
 namespace webrtc {
 
 namespace {
 
 int I420DataSize(int height, int stride_y, int stride_u, int stride_v) {
   return stride_y * height + (stride_u + stride_v) * ((height + 1) / 2);
 }
 
 }  // namespace
 
+const uint8_t* VideoFrameBuffer::data(PlaneType type) const {
+  switch (type) {
+    case kYPlane:
+      return DataY();
+    case kUPlane:
+      return DataU();
+    case kVPlane:
+      return DataV();
+    default:
+      RTC_NOTREACHED();
+      return nullptr;
+  }
+}
+
+const uint8_t* VideoFrameBuffer::DataY() const {
+  return data(kYPlane);
+}
+const uint8_t* VideoFrameBuffer::DataU() const {
+  return data(kUPlane);
+}
+const uint8_t* VideoFrameBuffer::DataV() const {
+  return data(kVPlane);
+}
+
+int VideoFrameBuffer::stride(PlaneType type) const {
+  switch (type) {
+    case kYPlane:
+      return StrideY();
+    case kUPlane:
+      return StrideU();
+    case kVPlane:
+      return StrideV();
+    default:
+      RTC_NOTREACHED();
+      return 0;
+  }
+}
+
+int VideoFrameBuffer::StrideY() const {
+  return stride(kYPlane);
+}
+int VideoFrameBuffer::StrideU() const {
+  return stride(kUPlane);
+}
+int VideoFrameBuffer::StrideV() const {
+  return stride(kVPlane);
+}
+
 uint8_t* VideoFrameBuffer::MutableDataY() {
   RTC_NOTREACHED();
   return nullptr;
 }
 uint8_t* VideoFrameBuffer::MutableDataU() {
   RTC_NOTREACHED();
   return nullptr;
 }
 uint8_t* VideoFrameBuffer::MutableDataV() {
   RTC_NOTREACHED();
   return nullptr;
 }
 
+uint8_t* VideoFrameBuffer::MutableData(PlaneType type) {
+  switch (type) {
+    case kYPlane:
+      return MutableDataY();
+    case kUPlane:
+      return MutableDataU();
+    case kVPlane:
+      return MutableDataV();
+    default:
+      RTC_NOTREACHED();
+      return nullptr;
+  }
+}
+
 VideoFrameBuffer::~VideoFrameBuffer() {}
 
 I420Buffer::I420Buffer(int width, int height)
     : I420Buffer(width, height, width, (width + 1) / 2, (width + 1) / 2) {
 }
 
 I420Buffer::I420Buffer(int width,
                        int height,
                        int stride_y,
                        int stride_u,
@@ skipping 270 matching lines @@
 void* WrappedI420Buffer::native_handle() const {
   return nullptr;
 }
 
 rtc::scoped_refptr<VideoFrameBuffer> WrappedI420Buffer::NativeToI420Buffer() {
   RTC_NOTREACHED();
   return nullptr;
 }
 
 }  // namespace webrtc