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1 // Copyright 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "webkit/compositor_bindings/web_to_ccvideo_frame_provider.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "media/base/video_frame.h" | |
9 #include "third_party/WebKit/Source/Platform/chromium/public/WebVideoFrameProvid er.h" | |
10 #include "webkit/media/webvideoframe_impl.h" | |
11 | |
12 using WebKit::WebVideoFrameProvider; | |
13 using webkit_media::WebVideoFrameImpl; | |
14 | |
15 namespace webkit { | |
16 | |
17 scoped_ptr<WebToCCVideoFrameProvider> WebToCCVideoFrameProvider::Create( | |
18 WebVideoFrameProvider* web_provider) { | |
19 return make_scoped_ptr(new WebToCCVideoFrameProvider(web_provider)); | |
20 } | |
21 | |
22 WebToCCVideoFrameProvider::WebToCCVideoFrameProvider( | |
23 WebVideoFrameProvider* web_provider) | |
24 : web_provider_(web_provider), | |
25 web_frame_(NULL) { | |
26 } | |
27 | |
28 WebToCCVideoFrameProvider::~WebToCCVideoFrameProvider() { | |
29 } | |
30 | |
31 class WebToCCVideoFrameProvider::ClientAdapter | |
32 : public WebVideoFrameProvider::Client { | |
33 public: | |
34 ClientAdapter(cc::VideoFrameProvider::Client* cc_client) | |
35 : cc_client_(cc_client) {} | |
36 virtual ~ClientAdapter() {} | |
37 | |
38 // WebToCCVideoFrameProvider::Client implementation. | |
jamesr
2013/01/03 23:35:55
this is the WebVideoFrameProvider::Client implemen
danakj
2013/01/04 14:01:29
Done.
| |
39 virtual void stopUsingProvider() { | |
40 cc_client_->StopUsingProvider(); | |
41 } | |
42 | |
43 virtual void didReceiveFrame() { | |
44 cc_client_->DidReceiveFrame(); | |
45 } | |
46 | |
47 virtual void didUpdateMatrix(const float* matrix) { | |
48 cc_client_->DidUpdateMatrix(matrix); | |
49 } | |
50 | |
51 private: | |
52 cc::VideoFrameProvider::Client* cc_client_; | |
53 }; | |
54 | |
55 void WebToCCVideoFrameProvider::SetVideoFrameProviderClient(Client* client) { | |
56 scoped_ptr<ClientAdapter> client_adapter; | |
57 if (client) | |
58 client_adapter.reset(new ClientAdapter(client)); | |
59 web_provider_->setVideoFrameProviderClient(client_adapter.get()); | |
60 client_adapter_ = client_adapter.Pass(); | |
61 } | |
62 | |
63 scoped_refptr<media::VideoFrame> WebToCCVideoFrameProvider::GetCurrentFrame() { | |
64 web_frame_ = web_provider_->getCurrentFrame(); | |
65 if (!web_frame_) | |
66 return scoped_refptr<media::VideoFrame>(); | |
67 WebVideoFrameImpl* impl = static_cast<WebVideoFrameImpl*>(web_frame_); | |
68 return impl->video_frame; | |
69 } | |
70 | |
71 void WebToCCVideoFrameProvider::PutCurrentFrame( | |
72 scoped_refptr<media::VideoFrame> frame) { | |
73 if (!frame) { | |
74 DCHECK(!web_frame_); | |
75 return; | |
76 } | |
77 DCHECK(web_frame_); | |
78 WebVideoFrameImpl* impl = static_cast<WebVideoFrameImpl*>(web_frame_); | |
79 DCHECK_EQ(impl->video_frame.get(), frame.get()); | |
80 web_provider_->putCurrentFrame(web_frame_); | |
81 web_frame_ = NULL; | |
82 } | |
83 | |
84 } // namespace webkit | |
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