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/*
* Copyright (c) 2012 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.
*/
// This file implements a class that can be used for scaling frames.
#ifndef WEBRTC_MODULES_UTILITY_SOURCE_FRAME_SCALER_H_
#define WEBRTC_MODULES_UTILITY_SOURCE_FRAME_SCALER_H_
#ifdef WEBRTC_MODULE_UTILITY_VIDEO
#include "webrtc/common_video/interface/i420_video_frame.h"
#include "webrtc/engine_configurations.h"
#include "webrtc/modules/interface/module_common_types.h"
#include "webrtc/system_wrappers/interface/scoped_ptr.h"
namespace webrtc {
class Scaler;
class VideoFrame;
class FrameScaler {
public:
FrameScaler();
~FrameScaler();
// Re-sizes |video_frame| so that it has the width |out_width| and height
// |out_height|.
int ResizeFrameIfNeeded(I420VideoFrame* video_frame,
int out_width,
int out_height);
private:
scoped_ptr<Scaler> scaler_;
I420VideoFrame scaled_frame_;
};
} // namespace webrtc
#endif // WEBRTC_MODULE_UTILITY_VIDEO
#endif // WEBRTC_MODULES_UTILITY_SOURCE_FRAME_SCALER_H_
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