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- // Copyright 2010 The Chromium Authors. All rights reserved.
- // 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
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