| /* |
| * 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_ // NOLINT |
| #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_ NOLINT |
