| /* |
| * Copyright (c) 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 SOURCE_ROTATE_PRIV_H_ |
| #define SOURCE_ROTATE_PRIV_H_ |
| |
| #include "libyuv/basic_types.h" |
| |
| namespace libyuv { |
| |
| // Rotate planes by 90, 180, 270 |
| void |
| RotatePlane90(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height); |
| |
| void |
| RotatePlane180(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height); |
| |
| void |
| RotatePlane270(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height); |
| |
| 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. |
| 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); |
| |
| 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. |
| void |
| TransposePlane(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height); |
| |
| 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); |
| |
| } // namespace libyuv |
| |
| #endif // SOURCE_ROTATE_PRIV_H_ |