Index: media/video/capture/screen/screen_capturer_helper.h |
diff --git a/media/video/capture/screen/screen_capturer_helper.h b/media/video/capture/screen/screen_capturer_helper.h |
deleted file mode 100644 |
index 35260b2271ae1d0f6525721cf432a41cb6d756e5..0000000000000000000000000000000000000000 |
--- a/media/video/capture/screen/screen_capturer_helper.h |
+++ /dev/null |
@@ -1,83 +0,0 @@ |
-// Copyright (c) 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. |
- |
-#ifndef MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_HELPER_H_ |
-#define MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_HELPER_H_ |
- |
-#include "base/memory/scoped_ptr.h" |
-#include "base/synchronization/lock.h" |
-#include "media/base/media_export.h" |
-#include "third_party/skia/include/core/SkRegion.h" |
-#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" |
-#include "third_party/webrtc/modules/desktop_capture/desktop_region.h" |
- |
-namespace media { |
- |
-// ScreenCapturerHelper is intended to be used by an implementation of the |
-// ScreenCapturer interface. It maintains a thread-safe invalid region, and |
-// the size of the most recently captured screen, on behalf of the |
-// ScreenCapturer that owns it. |
-class MEDIA_EXPORT ScreenCapturerHelper { |
- public: |
- ScreenCapturerHelper(); |
- ~ScreenCapturerHelper(); |
- |
- // Clear out the invalid region. |
- void ClearInvalidRegion(); |
- |
- // Invalidate the specified region. |
- void InvalidateRegion(const webrtc::DesktopRegion& invalid_region); |
- |
- // Invalidate the entire screen, of a given size. |
- void InvalidateScreen(const webrtc::DesktopSize& size); |
- |
- // Copies current invalid region to |invalid_region| clears invalid region |
- // storage for the next frame. |
- void TakeInvalidRegion(webrtc::DesktopRegion* invalid_region); |
- |
- // Access the size of the most recently captured screen. |
- const webrtc::DesktopSize& size_most_recent() const; |
- void set_size_most_recent(const webrtc::DesktopSize& size); |
- |
- // Lossy compression can result in color values leaking between pixels in one |
- // block. If part of a block changes, then unchanged parts of that block can |
- // be changed in the compressed output. So we need to re-render an entire |
- // block whenever part of the block changes. |
- // |
- // If |log_grid_size| is >= 1, then this function makes TakeInvalidRegion() |
- // produce an invalid region expanded so that its vertices lie on a grid of |
- // size 2 ^ |log_grid_size|. The expanded region is then clipped to the size |
- // of the most recently captured screen, as previously set by |
- // set_size_most_recent(). |
- // If |log_grid_size| is <= 0, then the invalid region is not expanded. |
- void SetLogGridSize(int log_grid_size); |
- |
- // Expands a region so that its vertices all lie on a grid. |
- // The grid size must be >= 2, so |log_grid_size| must be >= 1. |
- static scoped_ptr<SkRegion> ExpandToGrid(const SkRegion& region, |
- int log_grid_size); |
- |
- private: |
- // A region that has been manually invalidated (through InvalidateRegion). |
- // These will be returned as dirty_region in the capture data during the next |
- // capture. |
- SkRegion invalid_region_; |
- |
- // A lock protecting |invalid_region_| across threads. |
- base::Lock invalid_region_lock_; |
- |
- // The size of the most recently captured screen. |
- webrtc::DesktopSize size_most_recent_; |
- |
- // The log (base 2) of the size of the grid to which the invalid region is |
- // expanded. |
- // If the value is <= 0, then the invalid region is not expanded to a grid. |
- int log_grid_size_; |
- |
- DISALLOW_COPY_AND_ASSIGN(ScreenCapturerHelper); |
-}; |
- |
-} // namespace media |
- |
-#endif // MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURER_HELPER_H_ |