/* * Copyright (c) 2020 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.
*/
// NV12 is a biplanar encoding format, with full-resolution Y and // half-resolution interleved UV. More information can be found at // http://msdn.microsoft.com/library/windows/desktop/dd206750.aspx#nv12. class RTC_EXPORT NV12Buffer : public NV12BufferInterface { public: static rtc::scoped_refptr<NV12Buffer> Create(int width, int height); static rtc::scoped_refptr<NV12Buffer> Create(int width, int height, int stride_y, int stride_uv); static rtc::scoped_refptr<NV12Buffer> Copy( const I420BufferInterface& i420_buffer);
// Scale the cropped area of `src` to the size of `this` buffer, and // write the result into `this`. void CropAndScaleFrom(const NV12BufferInterface& src, int offset_x, int offset_y, int crop_width, int crop_height);
protected:
NV12Buffer(int width, int height);
NV12Buffer(int width, int height, int stride_y, int stride_uv);
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