101 lines
2.1 KiB
C++
101 lines
2.1 KiB
C++
/*
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* Copyright (c) 2011 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 <stdlib.h>
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#include "interpolator.h"
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#include "scale_bilinear_yuv.h"
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namespace webrtc
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{
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interpolator::interpolator():
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_method(kBilinear),
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_srcWidth(0),
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_srcHeight(0),
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_dstWidth(0),
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_dstHeight(0)
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{
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}
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interpolator:: ~interpolator()
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{
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//
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}
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WebRtc_Word32
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interpolator::Set(WebRtc_UWord32 srcWidth, WebRtc_UWord32 srcHeight,
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WebRtc_UWord32 dstWidth, WebRtc_UWord32 dstHeight,
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VideoType srcVideoType, VideoType dstVideoType,
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interpolatorType type)
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{
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if (srcWidth < 1 || srcHeight < 1 || dstWidth < 1 || dstHeight < 1 )
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return -1;
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if (Method(type) < 0)
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return -1;
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if (!SupportedVideoType(srcVideoType, dstVideoType))
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return -1;
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_srcWidth = srcWidth;
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_srcHeight = srcHeight;
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_dstWidth = dstWidth;
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_dstHeight = dstHeight;
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return 0;
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}
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WebRtc_Word32
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interpolator::Interpolate(const WebRtc_UWord8* srcFrame,
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WebRtc_UWord8*& dstFrame)
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{
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if (srcFrame == NULL)
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return -1;
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switch (_method)
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{
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case kBilinear :
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return ScaleBilinear (srcFrame, dstFrame,
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_srcWidth, _srcHeight,
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_dstWidth, _dstHeight);
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default :
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return -1;
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}
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}
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WebRtc_Word32
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interpolator::Method(interpolatorType type)
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{
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_method = type;
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return 0;
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}
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WebRtc_Word32
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interpolator::SupportedVideoType(VideoType srcVideoType,
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VideoType dstVideoType)
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{
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if (srcVideoType != dstVideoType)
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return -1;
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if ((srcVideoType != kI420) ||
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(srcVideoType != kIYUV) ||
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(srcVideoType != kYV12))
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return -1;
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return 0;
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}
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} // namespace webrtc
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