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Cleanup: unify rotation to be enum based instead of int for degree.

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Split from https://webrtc-codereview.appspot.com/37029004/

BUG=4145
R=pthatcher@webrtc.org, stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/37129004

Cr-Commit-Position: refs/heads/master@{#8257}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8257 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
guoweis@webrtc.org
2015-02-05 23:40:19 +00:00
parent 74d27884af
commit 3e733a43f5
11 changed files with 303 additions and 177 deletions
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33
webrtc/common_video/rotation.h Normal file
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/*
* Copyright (c) 2015 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_COMMON_VIDEO_ROTATION_H_
#define WEBRTC_COMMON_VIDEO_ROTATION_H_
#include "webrtc/base/common.h"
namespace webrtc {
// enum for clockwise rotation.
enum VideoFrameRotation {
VideoFrameRotation_0 = 0,
VideoFrameRotation_90 = 90,
VideoFrameRotation_180 = 180,
VideoFrameRotation_270 = 270
};
inline VideoFrameRotation ClockwiseRotationFromDegree(int rotation) {
ASSERT(rotation == 0 || rotation == 90 || rotation == 180 || rotation == 270);
return static_cast<webrtc::VideoFrameRotation>(rotation);
}
} // namespace webrtc
#endif // WEBRTC_COMMON_VIDEO_ROTATION_H_