Index: media/video/capture/screen/screen_capture_frame_queue.h |
diff --git a/media/video/capture/screen/screen_capture_frame_queue.h b/media/video/capture/screen/screen_capture_frame_queue.h |
deleted file mode 100644 |
index c51c563f5bff67e25818ee52488c531e434ccda7..0000000000000000000000000000000000000000 |
--- a/media/video/capture/screen/screen_capture_frame_queue.h |
+++ /dev/null |
@@ -1,68 +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_CAPTURE_FRAME_QUEUE_H_ |
-#define MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURE_FRAME_QUEUE_H_ |
- |
-#include "base/compiler_specific.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "media/video/capture/screen/shared_desktop_frame.h" |
- |
-namespace webrtc { |
-class DesktopFrame; |
-} // namespace webrtc |
- |
-namespace media { |
- |
-// Represents a queue of reusable video frames. Provides access to the 'current' |
-// frame - the frame that the caller is working with at the moment, and to the |
-// 'previous' frame - the predecessor of the current frame swapped by |
-// MoveToNextFrame() call, if any. |
-// |
-// The caller is expected to (re)allocate frames if current_frame() returns |
-// NULL. The caller can mark all frames in the queue for reallocation (when, |
-// say, frame dimensions change). The queue records which frames need updating |
-// which the caller can query. |
-// |
-// Frame consumer is expected to never hold more than kQueueLength frames |
-// created by this function and it should release the earliest one before trying |
-// to capture a new frame (i.e. before MoveToNextFrame() is called). |
-class ScreenCaptureFrameQueue { |
- public: |
- ScreenCaptureFrameQueue(); |
- ~ScreenCaptureFrameQueue(); |
- |
- // Moves to the next frame in the queue, moving the 'current' frame to become |
- // the 'previous' one. |
- void MoveToNextFrame(); |
- |
- // Replaces the current frame with a new one allocated by the caller. |
- // The existing frame (if any) is destroyed. |
- void ReplaceCurrentFrame(scoped_ptr<webrtc::DesktopFrame> frame); |
- |
- // Marks all frames obsolete and resets the previous frame pointer. No |
- // frames are freed though as the caller can still access them. |
- void Reset(); |
- |
- SharedDesktopFrame* current_frame() const { |
- return frames_[current_].get(); |
- } |
- |
- SharedDesktopFrame* previous_frame() const { |
- return frames_[(current_ + kQueueLength - 1) % kQueueLength].get(); |
- } |
- |
- private: |
- // Index of the current frame. |
- int current_; |
- |
- static const int kQueueLength = 2; |
- scoped_ptr<SharedDesktopFrame> frames_[kQueueLength]; |
- |
- DISALLOW_COPY_AND_ASSIGN(ScreenCaptureFrameQueue); |
-}; |
- |
-} // namespace media |
- |
-#endif // MEDIA_VIDEO_CAPTURE_SCREEN_SCREEN_CAPTURE_FRAME_QUEUE_H_ |