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/*
* Copyright (c) 2022 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.
*/
#ifndef API_VIDEO_I210_BUFFER_H_
#define API_VIDEO_I210_BUFFER_H_
#include <stdint.h>
#include <memory>
#include "api/scoped_refptr.h"
#include "api/video/video_frame_buffer.h"
#include "api/video/video_rotation.h"
#include "rtc_base/memory/aligned_malloc.h"
namespace webrtc {
// Plain I210 (yuv 422 planar 10 bits) buffer in standard memory.
class I210Buffer : public I210BufferInterface {
public:
// Create a new buffer.
static scoped_refptr<I210Buffer> Create(int width, int height);
// Create a new buffer and copy the pixel data.
static scoped_refptr<I210Buffer> Copy(const I210BufferInterface& buffer);
// Convert and put I420 buffer into a new buffer.
static scoped_refptr<I210Buffer> Copy(const I420BufferInterface& buffer);
// Return a rotated copy of `src`.
static scoped_refptr<I210Buffer> Rotate(const I210BufferInterface& src,
VideoRotation rotation);
// VideoFrameBuffer implementation.
scoped_refptr<I420BufferInterface> ToI420() override;
// PlanarYuv16BBuffer implementation.
int width() const override;
int height() const override;
const uint16_t* DataY() const override;
const uint16_t* DataU() const override;
const uint16_t* DataV() const override;
int StrideY() const override;
int StrideU() const override;
int StrideV() const override;
uint16_t* MutableDataY();
uint16_t* MutableDataU();
uint16_t* MutableDataV();
// Scale the cropped area of `src` to the size of `this` buffer, and
// write the result into `this`.
void CropAndScaleFrom(const I210BufferInterface& src,
int offset_x,
int offset_y,
int crop_width,
int crop_height);
// Scale all of `src` to the size of `this` buffer, with no cropping.
void ScaleFrom(const I210BufferInterface& src);
protected:
I210Buffer(int width, int height, int stride_y, int stride_u, int stride_v);
~I210Buffer() override;
private:
const int width_;
const int height_;
const int stride_y_;
const int stride_u_;
const int stride_v_;
const std::unique_ptr<uint16_t, AlignedFreeDeleter> data_;
};
} // namespace webrtc
#endif // API_VIDEO_I210_BUFFER_H_
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