Move CoreVideoFrameBuffer from webrtc/common_video/ to webrtc/sdk/objc/

webrtc/common_video/corevideo_frame_buffer.cc

Index: webrtc/common_video/corevideo_frame_buffer.cc
diff --git a/webrtc/common_video/corevideo_frame_buffer.cc b/webrtc/common_video/corevideo_frame_buffer.cc
deleted file mode 100644
index 6455ed18f019b8ce3f5e535a97412f18db96eabe..0000000000000000000000000000000000000000
--- a/webrtc/common_video/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/common_video/include/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