4765070b8d
This is a mechanical change since it affects so many files. I420VideoFrame -> VideoFrame and reformatted. Rationale: in the next CL I420VideoFrame will get an indication of Pixel Format (I420 for starters) and of storage type: usually UNOWNED, could be SHMEM, and in the near future will be possibly TEXTURE. See https://codereview.chromium.org/1154153003 for the change that happened in Cr. BUG=4730, chromium:440843 R=jiayl@webrtc.org, niklas.enbom@webrtc.org, pthatcher@webrtc.org Review URL: https://webrtc-codereview.appspot.com/52629004 Cr-Commit-Position: refs/heads/master@{#9339}
70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/*
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* Interface to the LibYuv scaling functionality
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*/
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#ifndef WEBRTC_COMMON_VIDEO_LIBYUV_INCLUDE_SCALER_H_
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#define WEBRTC_COMMON_VIDEO_LIBYUV_INCLUDE_SCALER_H_
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#include "webrtc/common_video/interface/i420_buffer_pool.h"
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#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
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#include "webrtc/typedefs.h"
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#include "webrtc/video_frame.h"
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namespace webrtc {
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// Supported scaling types
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enum ScaleMethod {
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kScalePoint, // no interpolation
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kScaleBilinear,
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kScaleBox
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};
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class Scaler {
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public:
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Scaler();
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~Scaler();
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// Set interpolation properties:
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//
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// Return value: 0 - OK
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// -1 - parameter error
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int Set(int src_width, int src_height,
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int dst_width, int dst_height,
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VideoType src_video_type, VideoType dst_video_type,
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ScaleMethod method);
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// Scale frame
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// Memory is allocated by this object and recycled using |buffer_pool_|.
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// Return value: 0 - OK,
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// -1 - parameter error
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// -2 - scaler not set
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int Scale(const VideoFrame& src_frame, VideoFrame* dst_frame);
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private:
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// Determine if the VideoTypes are currently supported.
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bool SupportedVideoType(VideoType src_video_type,
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VideoType dst_video_type);
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ScaleMethod method_;
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int src_width_;
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int src_height_;
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int dst_width_;
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int dst_height_;
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bool set_;
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I420BufferPool buffer_pool_;
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};
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} // namespace webrtc
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#endif // WEBRTC_COMMON_VIDEO_LIBYUV_INCLUDE_SCALER_H_
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