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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_H_ | 5 #ifndef CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_H_ |
| 6 #define CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_H_ | 6 #define CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "app/surface/transport_dib.h" | 9 #include "app/surface/transport_dib.h" |
| 10 #include "gfx/size.h" | 10 #include "gfx/size.h" |
| 11 | 11 |
| 12 class RenderProcessHost; | 12 class RenderProcessHost; |
| 13 class RenderWidgetHost; | 13 class RenderWidgetHost; |
| 14 | 14 |
| 15 namespace gfx { | 15 namespace gfx { |
| 16 class Rect; | 16 class Rect; |
| 17 } | 17 } |
| 18 | 18 |
| 19 // Represents a layer of YUV data owned by RenderWidgetHost and composited with | 19 // Represents a layer of YUV data owned by RenderWidgetHost and composited with |
| 20 // the backing store. VideoLayer is responsible for converting to RGB as | 20 // the backing store. VideoLayer is responsible for converting to RGB as |
| 21 // needed. | 21 // needed. |
| 22 class VideoLayer { | 22 class VideoLayer { |
| 23 public: | 23 public: |
| 24 virtual ~VideoLayer(); | 24 virtual ~VideoLayer(); |
| 25 | 25 |
| 26 RenderWidgetHost* render_widget_host() const { return render_widget_host_; } | 26 RenderWidgetHost* render_widget_host() const { return render_widget_host_; } |
| 27 const gfx::Size& size() { return size_; } | 27 const gfx::Size& size() { return size_; } |
| 28 | 28 |
| 29 // Copy the incoming bitmap into this video layer. |bitmap| contains YUV | 29 // Copy the incoming bitmap into this video layer. The given DIB contains YUV |
| 30 // pixel data in YV12 format and must be the same dimensions as this video | 30 // pixel data in YV12 format and must be the same dimensions as this video |
| 31 // layer. |bitmap_rect| specifies the absolute position and destination size | 31 // layer. |bitmap_rect| specifies the absolute position and destination size |
| 32 // of the bitmap on the backing store. | 32 // of the bitmap on the backing store. |
| 33 virtual void CopyTransportDIB(RenderProcessHost* process, | 33 virtual void CopyTransportDIB(RenderProcessHost* process, |
| 34 TransportDIB::Id bitmap, | 34 TransportDIB::Id dib_id, |
| 35 TransportDIB::Handle dib_handle, |
| 35 const gfx::Rect& bitmap_rect) = 0; | 36 const gfx::Rect& bitmap_rect) = 0; |
| 36 | 37 |
| 37 protected: | 38 protected: |
| 38 // Can only be constructed via subclasses. | 39 // Can only be constructed via subclasses. |
| 39 VideoLayer(RenderWidgetHost* widget, const gfx::Size& size); | 40 VideoLayer(RenderWidgetHost* widget, const gfx::Size& size); |
| 40 | 41 |
| 41 private: | 42 private: |
| 42 // The owner of this video layer. | 43 // The owner of this video layer. |
| 43 RenderWidgetHost* render_widget_host_; | 44 RenderWidgetHost* render_widget_host_; |
| 44 | 45 |
| 45 // The size of the video layer. | 46 // The size of the video layer. |
| 46 gfx::Size size_; | 47 gfx::Size size_; |
| 47 | 48 |
| 48 DISALLOW_COPY_AND_ASSIGN(VideoLayer); | 49 DISALLOW_COPY_AND_ASSIGN(VideoLayer); |
| 49 }; | 50 }; |
| 50 | 51 |
| 51 #endif // CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_H_ | 52 #endif // CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_H_ |
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