165 lines
4.6 KiB
C++
165 lines
4.6 KiB
C++
/*
|
|
* Copyright 2011 The LibYuv 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 INCLUDE_LIBYUV_ROTATE_H_
|
|
#define INCLUDE_LIBYUV_ROTATE_H_
|
|
|
|
#include "libyuv/basic_types.h"
|
|
|
|
#ifdef __cplusplus
|
|
namespace libyuv {
|
|
extern "C" {
|
|
#endif
|
|
|
|
// Supported rotation.
|
|
typedef enum RotationMode {
|
|
kRotate0 = 0, // No rotation.
|
|
kRotate90 = 90, // Rotate 90 degrees clockwise.
|
|
kRotate180 = 180, // Rotate 180 degrees.
|
|
kRotate270 = 270, // Rotate 270 degrees clockwise.
|
|
|
|
// Deprecated.
|
|
kRotateNone = 0,
|
|
kRotateClockwise = 90,
|
|
kRotateCounterClockwise = 270,
|
|
} RotationModeEnum;
|
|
|
|
// Rotate I420 frame.
|
|
LIBYUV_API
|
|
int I420Rotate(const uint8* src_y,
|
|
int src_stride_y,
|
|
const uint8* src_u,
|
|
int src_stride_u,
|
|
const uint8* src_v,
|
|
int src_stride_v,
|
|
uint8* dst_y,
|
|
int dst_stride_y,
|
|
uint8* dst_u,
|
|
int dst_stride_u,
|
|
uint8* dst_v,
|
|
int dst_stride_v,
|
|
int src_width,
|
|
int src_height,
|
|
enum RotationMode mode);
|
|
|
|
// Rotate NV12 input and store in I420.
|
|
LIBYUV_API
|
|
int NV12ToI420Rotate(const uint8* src_y,
|
|
int src_stride_y,
|
|
const uint8* src_uv,
|
|
int src_stride_uv,
|
|
uint8* dst_y,
|
|
int dst_stride_y,
|
|
uint8* dst_u,
|
|
int dst_stride_u,
|
|
uint8* dst_v,
|
|
int dst_stride_v,
|
|
int src_width,
|
|
int src_height,
|
|
enum RotationMode mode);
|
|
|
|
// Rotate a plane by 0, 90, 180, or 270.
|
|
LIBYUV_API
|
|
int RotatePlane(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst,
|
|
int dst_stride,
|
|
int src_width,
|
|
int src_height,
|
|
enum RotationMode mode);
|
|
|
|
// Rotate planes by 90, 180, 270. Deprecated.
|
|
LIBYUV_API
|
|
void RotatePlane90(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst,
|
|
int dst_stride,
|
|
int width,
|
|
int height);
|
|
|
|
LIBYUV_API
|
|
void RotatePlane180(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst,
|
|
int dst_stride,
|
|
int width,
|
|
int height);
|
|
|
|
LIBYUV_API
|
|
void RotatePlane270(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst,
|
|
int dst_stride,
|
|
int width,
|
|
int height);
|
|
|
|
LIBYUV_API
|
|
void RotateUV90(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst_a,
|
|
int dst_stride_a,
|
|
uint8* dst_b,
|
|
int dst_stride_b,
|
|
int width,
|
|
int height);
|
|
|
|
// Rotations for when U and V are interleaved.
|
|
// These functions take one input pointer and
|
|
// split the data into two buffers while
|
|
// rotating them. Deprecated.
|
|
LIBYUV_API
|
|
void RotateUV180(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst_a,
|
|
int dst_stride_a,
|
|
uint8* dst_b,
|
|
int dst_stride_b,
|
|
int width,
|
|
int height);
|
|
|
|
LIBYUV_API
|
|
void RotateUV270(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst_a,
|
|
int dst_stride_a,
|
|
uint8* dst_b,
|
|
int dst_stride_b,
|
|
int width,
|
|
int height);
|
|
|
|
// The 90 and 270 functions are based on transposes.
|
|
// Doing a transpose with reversing the read/write
|
|
// order will result in a rotation by +- 90 degrees.
|
|
// Deprecated.
|
|
LIBYUV_API
|
|
void TransposePlane(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst,
|
|
int dst_stride,
|
|
int width,
|
|
int height);
|
|
|
|
LIBYUV_API
|
|
void TransposeUV(const uint8* src,
|
|
int src_stride,
|
|
uint8* dst_a,
|
|
int dst_stride_a,
|
|
uint8* dst_b,
|
|
int dst_stride_b,
|
|
int width,
|
|
int height);
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|
|
|
|
#endif // INCLUDE_LIBYUV_ROTATE_H_
|