Revert of Add support for multiple pixel formats in VideoFrameBuffer

webrtc/api/video/video_frame_buffer.cc

Index: webrtc/api/video/video_frame_buffer.cc
diff --git a/webrtc/api/video/video_frame_buffer.cc b/webrtc/api/video/video_frame_buffer.cc
deleted file mode 100644
index b4b30a12682b23425e19fd71becf235325900b4f..0000000000000000000000000000000000000000
--- a/webrtc/api/video/video_frame_buffer.cc
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- *  Copyright (c) 2017 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/api/video/video_frame_buffer.h"
-
-#include "libyuv/convert_from.h"
-#include "webrtc/api/video/i420_buffer.h"
-#include "webrtc/base/checks.h"
-
-namespace webrtc {
-
-namespace {
-
-// TODO(magjed): Remove this class. It is only used for providing a default
-// implementation of ToI420() until external clients are updated. ToI420() will
-// then be made pure virtual. This adapter adapts a VideoFrameBuffer (which is
-// expected to be in I420 format) to the PlanarYuvBuffer interface. The reason
-// this is needed is because of the return type mismatch in NativeToI420Buffer
-// (returns VideoFrameBuffer) vs ToI420 (returns PlanarYuvBuffer).
-class PlanarYuvBufferAdapter : public PlanarYuvBuffer {
- public:
-  explicit PlanarYuvBufferAdapter(rtc::scoped_refptr<VideoFrameBuffer> buffer)
-      : buffer_(buffer) {}
-
-  Type type() const override { return Type::kI420; }
-
-  int width() const override { return buffer_->width(); }
-  int height() const override { return buffer_->height(); }
-
-  const uint8_t* DataY() const override { return buffer_->DataY(); }
-  const uint8_t* DataU() const override { return buffer_->DataU(); }
-  const uint8_t* DataV() const override { return buffer_->DataV(); }
-
-  int StrideY() const override { return buffer_->StrideY(); }
-  int StrideU() const override { return buffer_->StrideU(); }
-  int StrideV() const override { return buffer_->StrideV(); }
-
- private:
-  rtc::scoped_refptr<VideoFrameBuffer> buffer_;
-};
-
-}  // namespace
-
-// TODO(magjed): The default implementations in VideoFrameBuffer are provided in
-// order to support the deprecated interface until external clients are updated.
-// Remove once done.
-VideoFrameBuffer::Type VideoFrameBuffer::type() const {
-  return native_handle() ? Type::kNative : Type::kI420;
-}
-
-const uint8_t* VideoFrameBuffer::DataY() const {
-  return const_cast<VideoFrameBuffer*>(this)->GetI420()->DataY();
-}
-
-const uint8_t* VideoFrameBuffer::DataU() const {
-  return const_cast<VideoFrameBuffer*>(this)->GetI420()->DataU();
-}
-
-const uint8_t* VideoFrameBuffer::DataV() const {
-  return const_cast<VideoFrameBuffer*>(this)->GetI420()->DataV();
-}
-
-// Returns the number of bytes between successive rows for a given plane.
-int VideoFrameBuffer::StrideY() const {
-  return const_cast<VideoFrameBuffer*>(this)->GetI420()->StrideY();
-}
-
-int VideoFrameBuffer::StrideU() const {
-  return const_cast<VideoFrameBuffer*>(this)->GetI420()->StrideU();
-}
-
-int VideoFrameBuffer::StrideV() const {
-  return const_cast<VideoFrameBuffer*>(this)->GetI420()->StrideV();
-}
-
-void* VideoFrameBuffer::native_handle() const {
-  RTC_DCHECK(type() != Type::kNative);
-  return nullptr;
-}
-
-rtc::scoped_refptr<VideoFrameBuffer> VideoFrameBuffer::NativeToI420Buffer() {
-  return ToI420();
-}
-
-rtc::scoped_refptr<PlanarYuvBuffer> VideoFrameBuffer::ToI420() {
-  return new rtc::RefCountedObject<PlanarYuvBufferAdapter>(
-      NativeToI420Buffer());
-}
-
-rtc::scoped_refptr<PlanarYuvBuffer> VideoFrameBuffer::GetI420() {
-  RTC_CHECK(type() == Type::kI420);
-  // TODO(magjed): static_cast to PlanarYuvBuffer instead once external clients
-  // are updated.
-  return new rtc::RefCountedObject<PlanarYuvBufferAdapter>(this);
-}
-
-rtc::scoped_refptr<PlanarYuvBuffer> VideoFrameBuffer::GetI444() {
-  RTC_CHECK(type() == Type::kI444);
-  return static_cast<PlanarYuvBuffer*>(this);
-}
-
-rtc::scoped_refptr<PlanarYuvBuffer> PlanarYuvBuffer::ToI420() {
-  switch (type()) {
-    case Type::kI420:
-      return this;
-    case Type::kI444: {
-      rtc::scoped_refptr<I420Buffer> i420_buffer =
-          I420Buffer::Create(width(), height());
-      libyuv::I420ToI444(DataY(), StrideY(), DataU(), StrideU(), DataV(),
-                         StrideV(), i420_buffer->MutableDataY(),
-                         i420_buffer->StrideY(), i420_buffer->MutableDataU(),
-                         i420_buffer->StrideU(), i420_buffer->MutableDataV(),
-                         i420_buffer->StrideV(), width(), height());
-      return i420_buffer;
-    }
-    default:
-      RTC_NOTREACHED();
-      return nullptr;
-  }
-}
-
-int PlanarYuvBuffer::ChromaWidth() const {
-  switch (type()) {
-    case Type::kI420:
-      return (width() + 1) / 2;
-    case Type::kI444:
-      return width();
-    default:
-      RTC_NOTREACHED();
-      return 0;
-  }
-}
-
-int PlanarYuvBuffer::ChromaHeight() const {
-  switch (type()) {
-    case Type::kI420:
-      return (height() + 1) / 2;
-    case Type::kI444:
-      return height();
-    default:
-      RTC_NOTREACHED();
-      return 0;
-  }
-}
-
-}  // namespace webrtc