8b2ec15d1e
BUG=3153 R=mflodman@webrtc.org Review URL: https://webrtc-codereview.appspot.com/11099004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5886 4adac7df-926f-26a2-2b94-8c16560cd09d
52 lines
1.5 KiB
C++
52 lines
1.5 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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#include "webrtc/modules/utility/source/frame_scaler.h"
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#ifdef WEBRTC_MODULE_UTILITY_VIDEO
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#include "webrtc/common_video/libyuv/include/scaler.h"
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namespace webrtc {
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FrameScaler::FrameScaler()
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: scaler_(new Scaler()),
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scaled_frame_() {}
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FrameScaler::~FrameScaler() {}
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int FrameScaler::ResizeFrameIfNeeded(I420VideoFrame* video_frame,
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int out_width,
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int out_height) {
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if (video_frame->IsZeroSize()) {
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return -1;
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}
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if ((video_frame->width() != out_width) ||
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(video_frame->height() != out_height)) {
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// Set correct scale settings and scale |video_frame| into |scaled_frame_|.
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scaler_->Set(video_frame->width(), video_frame->height(), out_width,
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out_height, kI420, kI420, kScaleBox);
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int ret = scaler_->Scale(*video_frame, &scaled_frame_);
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if (ret < 0) {
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return ret;
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}
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scaled_frame_.set_render_time_ms(video_frame->render_time_ms());
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scaled_frame_.set_timestamp(video_frame->timestamp());
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video_frame->SwapFrame(&scaled_frame_);
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}
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return 0;
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}
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} // namespace webrtc
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#endif // WEBRTC_MODULE_UTILITY_VIDEO
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