Move VideoFrame and related declarations to webrtc/api/video.

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.
  */
 #include "webrtc/common_video/include/video_frame_buffer.h"
 
 #include <string.h>
 
 #include <algorithm>
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/keep_ref_until_done.h"
 #include "libyuv/convert.h"
 #include "libyuv/planar_functions.h"
 #include "libyuv/scale.h"
 
-// Aligning pointer to 64 bytes for improved performance, e.g. use SIMD.
-static const int kBufferAlignment = 64;
-
 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
-
-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,
-                       int stride_v)
-    : width_(width),
-      height_(height),
-      stride_y_(stride_y),
-      stride_u_(stride_u),
-      stride_v_(stride_v),
-      data_(static_cast<uint8_t*>(AlignedMalloc(
-          I420DataSize(height, stride_y, stride_u, stride_v),
-          kBufferAlignment))) {
-  RTC_DCHECK_GT(width, 0);
-  RTC_DCHECK_GT(height, 0);
-  RTC_DCHECK_GE(stride_y, width);
-  RTC_DCHECK_GE(stride_u, (width + 1) / 2);
-  RTC_DCHECK_GE(stride_v, (width + 1) / 2);
-}
-
-I420Buffer::~I420Buffer() {
-}
-
-// static
-rtc::scoped_refptr<I420Buffer> I420Buffer::Create(int width, int height) {
-  return new rtc::RefCountedObject<I420Buffer>(width, height);
-}
-
-// static
-rtc::scoped_refptr<I420Buffer> I420Buffer::Create(int width,
-                                                  int height,
-                                                  int stride_y,
-                                                  int stride_u,
-                                                  int stride_v) {
-  return new rtc::RefCountedObject<I420Buffer>(
-      width, height, stride_y, stride_u, stride_v);
-}
-
-// static
-rtc::scoped_refptr<I420Buffer> I420Buffer::Copy(
-    const VideoFrameBuffer& source) {
-  return Copy(source.width(), source.height(),
-              source.DataY(), source.StrideY(),
-              source.DataU(), source.StrideU(),
-              source.DataV(), source.StrideV());
-}
-
-// static
-rtc::scoped_refptr<I420Buffer> I420Buffer::Copy(
-      int width, int height,
-      const uint8_t* data_y, int stride_y,
-      const uint8_t* data_u, int stride_u,
-      const uint8_t* data_v, int stride_v) {
-  // Note: May use different strides than the input data.
-  rtc::scoped_refptr<I420Buffer> buffer = Create(width, height);
-  RTC_CHECK_EQ(0, libyuv::I420Copy(data_y, stride_y,
-                                   data_u, stride_u,
-                                   data_v, stride_v,
-                                   buffer->MutableDataY(), buffer->StrideY(),
-                                   buffer->MutableDataU(), buffer->StrideU(),
-                                   buffer->MutableDataV(), buffer->StrideV(),
-                                   width, height));
-  return buffer;
-}
-
-// static
-rtc::scoped_refptr<VideoFrameBuffer> I420Buffer::Rotate(
-    rtc::scoped_refptr<VideoFrameBuffer> src,
-    VideoRotation rotation) {
-  RTC_CHECK(src->DataY());
-  RTC_CHECK(src->DataU());
-  RTC_CHECK(src->DataV());
-
-  if (rotation == webrtc::kVideoRotation_0) {
-    return src;
-  }
-
-  int rotated_width = src->width();
-  int rotated_height = src->height();
-  if (rotation == webrtc::kVideoRotation_90 ||
-      rotation == webrtc::kVideoRotation_270) {
-    std::swap(rotated_width, rotated_height);
-  }
-
-  rtc::scoped_refptr<webrtc::I420Buffer> buffer =
-      I420Buffer::Create(rotated_width, rotated_height);
-
-  RTC_CHECK_EQ(0, libyuv::I420Rotate(
-      src->DataY(), src->StrideY(),
-      src->DataU(), src->StrideU(),
-      src->DataV(), src->StrideV(),
-      buffer->MutableDataY(), buffer->StrideY(), buffer->MutableDataU(),
-      buffer->StrideU(), buffer->MutableDataV(), buffer->StrideV(),
-      src->width(), src->height(),
-      static_cast<libyuv::RotationMode>(rotation)));
-
-  return buffer;
-}
-
-void I420Buffer::InitializeData() {
-  memset(data_.get(), 0,
-         I420DataSize(height_, stride_y_, stride_u_, stride_v_));
-}
-
-int I420Buffer::width() const {
-  return width_;
-}
-
-int I420Buffer::height() const {
-  return height_;
-}
-
-const uint8_t* I420Buffer::DataY() const {
-  return data_.get();
-}
-const uint8_t* I420Buffer::DataU() const {
-  return data_.get() + stride_y_ * height_;
-}
-const uint8_t* I420Buffer::DataV() const {
-  return data_.get() + stride_y_ * height_ + stride_u_ * ((height_ + 1) / 2);
-}
-
-uint8_t* I420Buffer::MutableDataY() {
-  return const_cast<uint8_t*>(DataY());
-}
-uint8_t* I420Buffer::MutableDataU() {
-  return const_cast<uint8_t*>(DataU());
-}
-uint8_t* I420Buffer::MutableDataV() {
-  return const_cast<uint8_t*>(DataV());
-}
-
-int I420Buffer::StrideY() const {
-  return stride_y_;
-}
-int I420Buffer::StrideU() const {
-  return stride_u_;
-}
-int I420Buffer::StrideV() const {
-  return stride_v_;
-}
-
-void* I420Buffer::native_handle() const {
-  return nullptr;
-}
-
-rtc::scoped_refptr<VideoFrameBuffer> I420Buffer::NativeToI420Buffer() {
-  RTC_NOTREACHED();
-  return nullptr;
-}
-
-void I420Buffer::SetToBlack() {
-  RTC_CHECK(libyuv::I420Rect(MutableDataY(), StrideY(),
-                             MutableDataU(), StrideU(),
-                             MutableDataV(), StrideV(),
-                             0, 0, width(), height(),
-                             0, 128, 128) == 0);
-}
-
-void I420Buffer::CropAndScaleFrom(
-    const VideoFrameBuffer& src,
-    int offset_x,
-    int offset_y,
-    int crop_width,
-    int crop_height) {
-  RTC_CHECK_LE(crop_width, src.width());
-  RTC_CHECK_LE(crop_height, src.height());
-  RTC_CHECK_LE(crop_width + offset_x, src.width());
-  RTC_CHECK_LE(crop_height + offset_y, src.height());
-  RTC_CHECK_GE(offset_x, 0);
-  RTC_CHECK_GE(offset_y, 0);
-
-  // Make sure offset is even so that u/v plane becomes aligned.
-  const int uv_offset_x = offset_x / 2;
-  const int uv_offset_y = offset_y / 2;
-  offset_x = uv_offset_x * 2;
-  offset_y = uv_offset_y * 2;
-
-  const uint8_t* y_plane =
-      src.DataY() + src.StrideY() * offset_y + offset_x;
-  const uint8_t* u_plane =
-      src.DataU() + src.StrideU() * uv_offset_y + uv_offset_x;
-  const uint8_t* v_plane =
-      src.DataV() + src.StrideV() * uv_offset_y + uv_offset_x;
-  int res = libyuv::I420Scale(y_plane, src.StrideY(),
-                              u_plane, src.StrideU(),
-                              v_plane, src.StrideV(),
-                              crop_width, crop_height,
-                              MutableDataY(), StrideY(),
-                              MutableDataU(), StrideU(),
-                              MutableDataV(), StrideV(),
-                              width(), height(), libyuv::kFilterBox);
-
-  RTC_DCHECK_EQ(res, 0);
-}
-
-void I420Buffer::CropAndScaleFrom(
-    const VideoFrameBuffer& src) {
-  const int crop_width =
-      std::min(src.width(), width() * src.height() / height());
-  const int crop_height =
-      std::min(src.height(), height() * src.width() / width());
-
-  CropAndScaleFrom(
-      src,
-      (src.width() - crop_width) / 2, (src.height() - crop_height) / 2,
-      crop_width, crop_height);
-}
-
-void I420Buffer::ScaleFrom(const VideoFrameBuffer& src) {
-  CropAndScaleFrom(src, 0, 0, src.width(), src.height());
-}
-
 NativeHandleBuffer::NativeHandleBuffer(void* native_handle,
                                        int width,
                                        int height)
     : native_handle_(native_handle), width_(width), height_(height) {
   RTC_DCHECK(native_handle != nullptr);
   RTC_DCHECK_GT(width, 0);
   RTC_DCHECK_GT(height, 0);
 }
 
 int NativeHandleBuffer::width() const {
@@ skipping 89 matching lines @@
 void* WrappedI420Buffer::native_handle() const {
   return nullptr;
 }
 
 rtc::scoped_refptr<VideoFrameBuffer> WrappedI420Buffer::NativeToI420Buffer() {
   RTC_NOTREACHED();
   return nullptr;
 }
 
 }  // namespace webrtc