Revert of Move CoreVideoFrameBuffer from webrtc/common_video/ to webrtc/sdk/objc/ (patchset #2 id:60001 of https://codereview.webrtc.org/2851563003/ )

Reason for revert:
Breaks downstream targets.

Original issue's description:
> Move CoreVideoFrameBuffer from webrtc/common_video/ to webrtc/sdk/objc/
>
> CoreVideoFrameBuffer is Mac/iPhone specific and should be moved into
> the webrtc/sdk/objc/ folder.
>
> BUG=None
>
> Review-Url: https://codereview.webrtc.org/2851563003
> Cr-Commit-Position: refs/heads/master@{#17998}
> Committed: https://chromium.googlesource.com/external/webrtc/+/d41631aa274e926c4fba1600cbcfbc18020eb35a

TBR=kthelgason@webrtc.org,magjed@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Review-Url: https://codereview.webrtc.org/2862663003
Cr-Commit-Position: refs/heads/master@{#18004}
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCVideoFrame.mm b/webrtc/sdk/objc/Framework/Classes/RTCVideoFrame.mm
index ed6c288..a4eaefb 100644
--- a/webrtc/sdk/objc/Framework/Classes/RTCVideoFrame.mm
+++ b/webrtc/sdk/objc/Framework/Classes/RTCVideoFrame.mm
@@ -10,7 +10,7 @@
 
 #import "RTCVideoFrame+Private.h"
 
-#include "webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h"
+#include "webrtc/common_video/include/corevideo_frame_buffer.h"
 
 @implementation RTCVideoFrame {
   rtc::scoped_refptr<webrtc::VideoFrameBuffer> _videoBuffer;
diff --git a/webrtc/sdk/objc/Framework/Classes/avfoundationvideocapturer.mm b/webrtc/sdk/objc/Framework/Classes/avfoundationvideocapturer.mm
index 1ebc441..526cdbe 100644
--- a/webrtc/sdk/objc/Framework/Classes/avfoundationvideocapturer.mm
+++ b/webrtc/sdk/objc/Framework/Classes/avfoundationvideocapturer.mm
@@ -23,7 +23,7 @@
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/thread.h"
-#include "webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h"
+#include "webrtc/common_video/include/corevideo_frame_buffer.h"
 
 namespace webrtc {
 
diff --git a/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.cc b/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.cc
deleted file mode 100644
index b3c0f2f..0000000
--- a/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.cc
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- *  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.
- */
-
-#include "webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h"
-
-#include "libyuv/convert.h"
-#include "webrtc/base/checks.h"
-#include "webrtc/base/logging.h"
-#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
-
-namespace webrtc {
-
-CoreVideoFrameBuffer::CoreVideoFrameBuffer(CVPixelBufferRef pixel_buffer,
-                                           int adapted_width,
-                                           int adapted_height,
-                                           int crop_width,
-                                           int crop_height,
-                                           int crop_x,
-                                           int crop_y)
-    : NativeHandleBuffer(pixel_buffer, adapted_width, adapted_height),
-      pixel_buffer_(pixel_buffer),
-      buffer_width_(CVPixelBufferGetWidth(pixel_buffer)),
-      buffer_height_(CVPixelBufferGetHeight(pixel_buffer)),
-      crop_width_(crop_width), crop_height_(crop_height),
-      // Can only crop at even pixels.
-      crop_x_(crop_x & ~1), crop_y_(crop_y & ~1) {
-  CVBufferRetain(pixel_buffer_);
-}
-
-CoreVideoFrameBuffer::CoreVideoFrameBuffer(CVPixelBufferRef pixel_buffer)
-    : NativeHandleBuffer(pixel_buffer,
-                         CVPixelBufferGetWidth(pixel_buffer),
-                         CVPixelBufferGetHeight(pixel_buffer)),
-      pixel_buffer_(pixel_buffer),
-      buffer_width_(width_), buffer_height_(height_),
-      crop_width_(width_), crop_height_(height_),
-      crop_x_(0), crop_y_(0) {
-  CVBufferRetain(pixel_buffer_);
-}
-
-CoreVideoFrameBuffer::~CoreVideoFrameBuffer() {
-  CVBufferRelease(pixel_buffer_);
-}
-
-rtc::scoped_refptr<VideoFrameBuffer>
-CoreVideoFrameBuffer::NativeToI420Buffer() {
-  const OSType pixel_format = CVPixelBufferGetPixelFormatType(pixel_buffer_);
-  RTC_DCHECK(pixel_format == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange ||
-             pixel_format == kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange);
-
-  CVPixelBufferLockBaseAddress(pixel_buffer_, kCVPixelBufferLock_ReadOnly);
-  const uint8_t* src_y = static_cast<const uint8_t*>(
-      CVPixelBufferGetBaseAddressOfPlane(pixel_buffer_, 0));
-  const int src_y_stride = CVPixelBufferGetBytesPerRowOfPlane(pixel_buffer_, 0);
-  const uint8_t* src_uv = static_cast<const uint8_t*>(
-      CVPixelBufferGetBaseAddressOfPlane(pixel_buffer_, 1));
-  const int src_uv_stride =
-      CVPixelBufferGetBytesPerRowOfPlane(pixel_buffer_, 1);
-
-  // Crop just by modifying pointers.
-  src_y += src_y_stride * crop_y_ + crop_x_;
-  src_uv += src_uv_stride * (crop_y_ / 2) + crop_x_;
-
-  // TODO(magjed): Use a frame buffer pool.
-  NV12ToI420Scaler nv12_to_i420_scaler;
-  rtc::scoped_refptr<I420Buffer> buffer =
-      new rtc::RefCountedObject<I420Buffer>(width_, height_);
-  nv12_to_i420_scaler.NV12ToI420Scale(
-      src_y, src_y_stride,
-      src_uv, src_uv_stride,
-      crop_width_, crop_height_,
-      buffer->MutableDataY(), buffer->StrideY(),
-      buffer->MutableDataU(), buffer->StrideU(),
-      buffer->MutableDataV(), buffer->StrideV(),
-      buffer->width(), buffer->height());
-
-  CVPixelBufferUnlockBaseAddress(pixel_buffer_, kCVPixelBufferLock_ReadOnly);
-
-  return buffer;
-}
-
-bool CoreVideoFrameBuffer::RequiresCropping() const {
-  return crop_width_ != buffer_width_ || crop_height_ != buffer_height_;
-}
-
-bool CoreVideoFrameBuffer::CropAndScaleTo(
-    std::vector<uint8_t>* tmp_buffer,
-    CVPixelBufferRef output_pixel_buffer) const {
-  // Prepare output pointers.
-  RTC_DCHECK_EQ(CVPixelBufferGetPixelFormatType(output_pixel_buffer),
-                kCVPixelFormatType_420YpCbCr8BiPlanarFullRange);
-  CVReturn cv_ret = CVPixelBufferLockBaseAddress(output_pixel_buffer, 0);
-  if (cv_ret != kCVReturnSuccess) {
-    LOG(LS_ERROR) << "Failed to lock base address: " << cv_ret;
-    return false;
-  }
-  const int dst_width = CVPixelBufferGetWidth(output_pixel_buffer);
-  const int dst_height = CVPixelBufferGetHeight(output_pixel_buffer);
-  uint8_t* dst_y = reinterpret_cast<uint8_t*>(
-      CVPixelBufferGetBaseAddressOfPlane(output_pixel_buffer, 0));
-  const int dst_y_stride =
-      CVPixelBufferGetBytesPerRowOfPlane(output_pixel_buffer, 0);
-  uint8_t* dst_uv = reinterpret_cast<uint8_t*>(
-      CVPixelBufferGetBaseAddressOfPlane(output_pixel_buffer, 1));
-  const int dst_uv_stride =
-      CVPixelBufferGetBytesPerRowOfPlane(output_pixel_buffer, 1);
-
-  // Prepare source pointers.
-  const OSType src_pixel_format =
-      CVPixelBufferGetPixelFormatType(pixel_buffer_);
-  RTC_DCHECK(
-      src_pixel_format == kCVPixelFormatType_420YpCbCr8BiPlanarFullRange ||
-      src_pixel_format == kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange);
-  CVPixelBufferLockBaseAddress(pixel_buffer_, kCVPixelBufferLock_ReadOnly);
-  const uint8_t* src_y = static_cast<const uint8_t*>(
-      CVPixelBufferGetBaseAddressOfPlane(pixel_buffer_, 0));
-  const int src_y_stride = CVPixelBufferGetBytesPerRowOfPlane(pixel_buffer_, 0);
-  const uint8_t* src_uv = static_cast<const uint8_t*>(
-      CVPixelBufferGetBaseAddressOfPlane(pixel_buffer_, 1));
-  const int src_uv_stride =
-      CVPixelBufferGetBytesPerRowOfPlane(pixel_buffer_, 1);
-
-  // Crop just by modifying pointers.
-  src_y += src_y_stride * crop_y_ + crop_x_;
-  src_uv += src_uv_stride * (crop_y_ / 2) + crop_x_;
-
-  NV12Scale(tmp_buffer,
-            src_y, src_y_stride,
-            src_uv, src_uv_stride,
-            crop_width_, crop_height_,
-            dst_y, dst_y_stride,
-            dst_uv, dst_uv_stride,
-            dst_width, dst_height);
-
-  CVPixelBufferUnlockBaseAddress(pixel_buffer_, kCVPixelBufferLock_ReadOnly);
-  CVPixelBufferUnlockBaseAddress(output_pixel_buffer, 0);
-
-  return true;
-}
-
-}  // namespace webrtc
diff --git a/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h b/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h
deleted file mode 100644
index a00b677..0000000
--- a/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- *  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.
- */
-
-#ifndef WEBRTC_COMMON_VIDEO_INCLUDE_COREVIDEO_FRAME_BUFFER_H_
-#define WEBRTC_COMMON_VIDEO_INCLUDE_COREVIDEO_FRAME_BUFFER_H_
-
-#include <CoreVideo/CoreVideo.h>
-
-#include <vector>
-
-#include "webrtc/common_video/include/video_frame_buffer.h"
-
-namespace webrtc {
-
-class CoreVideoFrameBuffer : public NativeHandleBuffer {
- public:
-  explicit CoreVideoFrameBuffer(CVPixelBufferRef pixel_buffer);
-  CoreVideoFrameBuffer(CVPixelBufferRef pixel_buffer,
-                       int adapted_width,
-                       int adapted_height,
-                       int crop_width,
-                       int crop_height,
-                       int crop_x,
-                       int crop_y);
-  ~CoreVideoFrameBuffer() override;
-
-  rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() override;
-  // Returns true if the internal pixel buffer needs to be cropped.
-  bool RequiresCropping() const;
-  // Crop and scales the internal pixel buffer to the output pixel buffer. The
-  // tmp buffer is used for intermediary splitting the UV channels. This
-  // function returns true if successful.
-  bool CropAndScaleTo(std::vector<uint8_t>* tmp_buffer,
-                      CVPixelBufferRef output_pixel_buffer) const;
-
- private:
-  CVPixelBufferRef pixel_buffer_;
-  // buffer_width/height is the actual pixel buffer resolution. The width/height
-  // in NativeHandleBuffer, i.e. width()/height(), is the resolution we will
-  // scale to in NativeToI420Buffer(). Cropping happens before scaling, so:
-  // buffer_width >= crop_width >= width().
-  const int buffer_width_;
-  const int buffer_height_;
-  const int crop_width_;
-  const int crop_height_;
-  const int crop_x_;
-  const int crop_y_;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_COMMON_VIDEO_INCLUDE_COREVIDEO_FRAME_BUFFER_H_
diff --git a/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_decoder.cc b/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_decoder.cc
index a910066..b42660b 100644
--- a/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_decoder.cc
+++ b/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_decoder.cc
@@ -20,7 +20,7 @@
 #include "webrtc/api/video/video_frame.h"
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
-#include "webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h"
+#include "webrtc/common_video/include/corevideo_frame_buffer.h"
 #include "webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu.h"
 #include "webrtc/video_frame.h"
 
diff --git a/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_encoder.mm b/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_encoder.mm
index 596a727..bc46b35 100644
--- a/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_encoder.mm
+++ b/webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_encoder.mm
@@ -23,7 +23,7 @@
 #include "webrtc/base/checks.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/common_video/h264/profile_level_id.h"
-#include "webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h"
+#include "webrtc/common_video/include/corevideo_frame_buffer.h"
 #include "webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_nalu.h"
 #include "webrtc/system_wrappers/include/clock.h"
 
diff --git a/webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm b/webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm
index deece20..942171b 100644
--- a/webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm
+++ b/webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm
@@ -12,7 +12,7 @@
 
 #import "RTCVideoFrame+Private.h"
 
-#include "webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h"
+#include "webrtc/common_video/include/corevideo_frame_buffer.h"
 
 namespace webrtc {