webrtc/api/video/i210_buffer.h
Sergio Garcia Murillo 8545ebae28 Add 420 and 422 10 bit h264 decoding.
422 10 bit format is called I210 in the code and implemented in I210Buffer, and 420 10-bit format format is using is using the already existing I010 format and implemented in I010Buffer.

Bug: webrtc:13826
Change-Id: I6b6ed65b9fbb295386ea20f751bd0badc49ef21b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/256964
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37252}
2022-06-17 11:12:10 +00:00

84 lines
2.6 KiB
C++

/*
* 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 rtc::scoped_refptr<I210Buffer> Create(int width, int height);
// Create a new buffer and copy the pixel data.
static rtc::scoped_refptr<I210Buffer> Copy(const I210BufferInterface& buffer);
// Convert and put I420 buffer into a new buffer.
static rtc::scoped_refptr<I210Buffer> Copy(const I420BufferInterface& buffer);
// Return a rotated copy of `src`.
static rtc::scoped_refptr<I210Buffer> Rotate(const I210BufferInterface& 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 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_