91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) 2015 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_I010_BUFFER_H_
|
|
#define API_VIDEO_I010_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 I010 buffer in standard memory.
|
|
class I010Buffer : public I010BufferInterface {
|
|
public:
|
|
// Create a new buffer.
|
|
static rtc::scoped_refptr<I010Buffer> Create(int width, int height);
|
|
|
|
// Create a new buffer and copy the pixel data.
|
|
static rtc::scoped_refptr<I010Buffer> Copy(const I010BufferInterface& buffer);
|
|
|
|
// Convert and put I420 buffer into a new buffer.
|
|
static rtc::scoped_refptr<I010Buffer> Copy(const I420BufferInterface& buffer);
|
|
|
|
// Return a rotated copy of |src|.
|
|
static rtc::scoped_refptr<I010Buffer> Rotate(const I010BufferInterface& src,
|
|
VideoRotation rotation);
|
|
|
|
// VideoFrameBuffer implementation.
|
|
rtc::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 I010BufferInterface& 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 I010BufferInterface& src);
|
|
|
|
// Pastes whole picture to canvas at (offset_row, offset_col).
|
|
// Offsets and picture dimensions must be even.
|
|
void PasteFrom(const I010BufferInterface& picture,
|
|
int offset_col,
|
|
int offset_row);
|
|
|
|
protected:
|
|
I010Buffer(int width, int height, int stride_y, int stride_u, int stride_v);
|
|
~I010Buffer() 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_I010_BUFFER_H_
|