Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(83)

Unified Diff: media/video/capture/screen/screen_capture_frame_queue.h

Issue 15692018: Remove screen capturers from media/video/capture/screen. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
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_
« no previous file with comments | « media/video/capture/screen/screen_capture_device_unittest.cc ('k') | media/video/capture/screen/screen_capture_frame_queue.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698