| // Copyright 2010 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/layers/video_layer.h" |
| |
| #include "cc/layers/video_layer_impl.h" |
| |
| namespace cc { |
| |
| scoped_refptr<VideoLayer> VideoLayer::Create( |
| VideoFrameProvider* provider, |
| media::VideoTransformation transform) { |
| return base::WrapRefCounted(new VideoLayer(provider, transform)); |
| } |
| |
| VideoLayer::VideoLayer(VideoFrameProvider* provider, |
| media::VideoTransformation transform) |
| : provider_(provider), transform_(transform) { |
| SetMayContainVideo(true); |
| DCHECK(provider_.Read(*this)); |
| } |
| |
| VideoLayer::~VideoLayer() = default; |
| |
| std::unique_ptr<LayerImpl> VideoLayer::CreateLayerImpl( |
| LayerTreeImpl* tree_impl) const { |
| return VideoLayerImpl::Create(tree_impl, id(), provider_.Read(*this), |
| transform_); |
| } |
| |
| bool VideoLayer::Update() { |
| bool updated = Layer::Update(); |
| |
| // Video layer doesn't update any resources from the main thread side, |
| // but repaint rects need to be sent to the VideoLayerImpl via commit. |
| // |
| // This is the inefficient legacy redraw path for videos. It's better to |
| // communicate this directly to the VideoLayerImpl. |
| updated |= !update_rect().IsEmpty(); |
| |
| return updated; |
| } |
| |
| void VideoLayer::StopUsingProvider() { |
| provider_.Write(*this) = nullptr; |
| } |
| |
| } // namespace cc |