Index: webrtc/modules/desktop_capture/differ.h |
diff --git a/webrtc/modules/desktop_capture/differ.h b/webrtc/modules/desktop_capture/differ.h |
deleted file mode 100644 |
index 9ab059bcaa24cdb8491b86791e954423dcd95cc6..0000000000000000000000000000000000000000 |
--- a/webrtc/modules/desktop_capture/differ.h |
+++ /dev/null |
@@ -1,90 +0,0 @@ |
-/* |
- * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_H_ |
-#define WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_H_ |
- |
-#include <memory> |
-#include <vector> |
- |
-#include "webrtc/base/constructormagic.h" |
-#include "webrtc/modules/desktop_capture/desktop_region.h" |
- |
-namespace webrtc { |
- |
-// TODO(sergeyu): Simplify differ now that we are working with DesktopRegion. |
-// diff_info_ should no longer be needed, as we can put our data directly into |
-// the region that we are calculating. |
-// http://crbug.com/92379 |
-// TODO(sergeyu): Rename this class to something more sensible, e.g. |
-// ScreenCaptureFrameDifferencer. |
-class Differ { |
- public: |
- // Create a differ that operates on bitmaps with the specified width, height |
- // and bytes_per_pixel. |
- Differ(int width, int height, int bytes_per_pixel, int stride); |
- ~Differ(); |
- |
- int width() { return width_; } |
- int height() { return height_; } |
- int bytes_per_pixel() { return bytes_per_pixel_; } |
- int bytes_per_row() { return bytes_per_row_; } |
- |
- // Given the previous and current screen buffer, calculate the dirty region |
- // that encloses all of the changed pixels in the new screen. |
- void CalcDirtyRegion(const uint8_t* prev_buffer, const uint8_t* curr_buffer, |
- DesktopRegion* region); |
- |
- private: |
- // Allow tests to access our private parts. |
- friend class DifferTest; |
- |
- // Identify all of the blocks that contain changed pixels. |
- void MarkDirtyBlocks(const uint8_t* prev_buffer, const uint8_t* curr_buffer); |
- |
- // After the dirty blocks have been identified, this routine merges adjacent |
- // blocks into a region. |
- // The goal is to minimize the region that covers the dirty blocks. |
- void MergeBlocks(DesktopRegion* region); |
- |
- // Checks whether the upper-left portions of the buffers are equal. The size |
- // of the portion to check is specified by the |width| and |height| values. |
- // Note that if we force the capturer to always return images whose width and |
- // height are multiples of kBlockSize, then this will never be called. |
- bool PartialBlocksEqual(const uint8_t* prev_buffer, |
- const uint8_t* curr_buffer, |
- int stride, |
- int width, int height); |
- |
- // Dimensions of screen. |
- int width_; |
- int height_; |
- |
- // Number of bytes for each pixel in source and dest bitmap. |
- // (Yes, they must match.) |
- int bytes_per_pixel_; |
- |
- // Number of bytes in each row of the image (AKA: stride). |
- int bytes_per_row_; |
- |
- // Diff information for each block in the image. |
- std::unique_ptr<bool[]> diff_info_; |
- |
- // Dimensions and total size of diff info array. |
- int diff_info_width_; |
- int diff_info_height_; |
- int diff_info_size_; |
- |
- RTC_DISALLOW_COPY_AND_ASSIGN(Differ); |
-}; |
- |
-} // namespace webrtc |
- |
-#endif // WEBRTC_MODULES_DESKTOP_CAPTURE_DIFFER_H_ |