Chromium Code Reviews| Index: webkit/compositor_bindings/web_to_ccvideo_frame_provider.cc |
| diff --git a/webkit/compositor_bindings/web_to_ccvideo_frame_provider.cc b/webkit/compositor_bindings/web_to_ccvideo_frame_provider.cc |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..309c51e57b44da184f1c2fcf138c4d465488a980 |
| --- /dev/null |
| +++ b/webkit/compositor_bindings/web_to_ccvideo_frame_provider.cc |
| @@ -0,0 +1,84 @@ |
| +// Copyright 2012 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 "webkit/compositor_bindings/web_to_ccvideo_frame_provider.h" |
| + |
| +#include "base/logging.h" |
| +#include "media/base/video_frame.h" |
| +#include "third_party/WebKit/Source/Platform/chromium/public/WebVideoFrameProvider.h" |
| +#include "webkit/media/webvideoframe_impl.h" |
| + |
| +using WebKit::WebVideoFrameProvider; |
| +using webkit_media::WebVideoFrameImpl; |
| + |
| +namespace webkit { |
| + |
| +scoped_ptr<WebToCCVideoFrameProvider> WebToCCVideoFrameProvider::Create( |
| + WebVideoFrameProvider* web_provider) { |
| + return make_scoped_ptr(new WebToCCVideoFrameProvider(web_provider)); |
| +} |
| + |
| +WebToCCVideoFrameProvider::WebToCCVideoFrameProvider( |
| + WebVideoFrameProvider* web_provider) |
| + : web_provider_(web_provider), |
| + web_frame_(NULL) { |
| +} |
| + |
| +WebToCCVideoFrameProvider::~WebToCCVideoFrameProvider() { |
| +} |
| + |
| +class WebToCCVideoFrameProvider::ClientAdapter |
| + : public WebVideoFrameProvider::Client { |
| + public: |
| + ClientAdapter(cc::VideoFrameProvider::Client* cc_client) |
| + : cc_client_(cc_client) {} |
| + virtual ~ClientAdapter() {} |
| + |
| + // WebToCCVideoFrameProvider::Client implementation. |
|
jamesr
2013/01/03 23:35:55
this is the WebVideoFrameProvider::Client implemen
danakj
2013/01/04 14:01:29
Done.
|
| + virtual void stopUsingProvider() { |
| + cc_client_->StopUsingProvider(); |
| + } |
| + |
| + virtual void didReceiveFrame() { |
| + cc_client_->DidReceiveFrame(); |
| + } |
| + |
| + virtual void didUpdateMatrix(const float* matrix) { |
| + cc_client_->DidUpdateMatrix(matrix); |
| + } |
| + |
| + private: |
| + cc::VideoFrameProvider::Client* cc_client_; |
| +}; |
| + |
| +void WebToCCVideoFrameProvider::SetVideoFrameProviderClient(Client* client) { |
| + scoped_ptr<ClientAdapter> client_adapter; |
| + if (client) |
| + client_adapter.reset(new ClientAdapter(client)); |
| + web_provider_->setVideoFrameProviderClient(client_adapter.get()); |
| + client_adapter_ = client_adapter.Pass(); |
| +} |
| + |
| +scoped_refptr<media::VideoFrame> WebToCCVideoFrameProvider::GetCurrentFrame() { |
| + web_frame_ = web_provider_->getCurrentFrame(); |
| + if (!web_frame_) |
| + return scoped_refptr<media::VideoFrame>(); |
| + WebVideoFrameImpl* impl = static_cast<WebVideoFrameImpl*>(web_frame_); |
| + return impl->video_frame; |
| +} |
| + |
| +void WebToCCVideoFrameProvider::PutCurrentFrame( |
| + scoped_refptr<media::VideoFrame> frame) { |
| + if (!frame) { |
| + DCHECK(!web_frame_); |
| + return; |
| + } |
| + DCHECK(web_frame_); |
| + WebVideoFrameImpl* impl = static_cast<WebVideoFrameImpl*>(web_frame_); |
| + DCHECK_EQ(impl->video_frame.get(), frame.get()); |
| + web_provider_->putCurrentFrame(web_frame_); |
| + web_frame_ = NULL; |
| +} |
| + |
| +} // namespace webkit |