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Unified Diff: remoting/host/video_frame_queue.h

Issue 11470028: Move screen capturers to remoting/capturer. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years ago
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Index: remoting/host/video_frame_queue.h
diff --git a/remoting/host/video_frame_queue.h b/remoting/host/video_frame_queue.h
deleted file mode 100644
index 508443554b7f6afd7d9a63f34a9c711f59d9d0b7..0000000000000000000000000000000000000000
--- a/remoting/host/video_frame_queue.h
+++ /dev/null
@@ -1,69 +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 REMOTING_HOST_VIDEO_FRAME_QUEUE_H_
-#define REMOTING_HOST_VIDEO_FRAME_QUEUE_H_
-
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace remoting {
-
-class VideoFrame;
-
-// 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
-// DoneWithCurrentFrame() call, if any.
-//
-// The caller is expected to (re)allocate frames if current_frame_needs_update()
-// is set. 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.
-class VideoFrameQueue {
- public:
- VideoFrameQueue();
- ~VideoFrameQueue();
-
- // Moves to the next frame in the queue, moving the 'current' frame to become
- // the 'previous' one.
- void DoneWithCurrentFrame();
-
- // Replaces the current frame with a new one allocated by the caller.
- // The existing frame (if any) is destroyed.
- void ReplaceCurrentFrame(scoped_ptr<VideoFrame> frame);
-
- // Marks all frames obsolete and resets the previous frame pointer. No
- // frames are freed though as the caller can still access them.
- void SetAllFramesNeedUpdate();
-
- VideoFrame* current_frame() const {
- return frames_[current_].get();
- }
-
- bool current_frame_needs_update() const {
- return !current_frame() || needs_update_[current_];
- }
-
- VideoFrame* previous_frame() const { return previous_; }
-
- private:
- // Index of the current frame.
- int current_;
-
- static const int kQueueLength = 2;
- scoped_ptr<VideoFrame> frames_[kQueueLength];
-
- // True if the corresponding frame needs to be re-allocated.
- bool needs_update_[kQueueLength];
-
- // Points to the previous frame if any.
- VideoFrame* previous_;
-
- DISALLOW_COPY_AND_ASSIGN(VideoFrameQueue);
-};
-
-} // namespace remoting
-
-#endif // REMOTING_HOST_VIDEO_FRAME_QUEUE_H_

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