From 678702573531f19ae36847a6a07257aaae623fbe Mon Sep 17 00:00:00 2001 From: Sadaf Ebrahimi Date: Fri, 25 Aug 2023 16:27:50 +0000 Subject: Move libyuv/files/ directly under libyuv Test: TreeHugger Merged-In: I773d1ae01539cc5d200768b526f10b2922567f72 Change-Id: I4ba1f1e781d7fd3ad96639dfdc08f654e45ae3d3 --- include/libyuv/rotate.h | 296 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 296 insertions(+) create mode 100644 include/libyuv/rotate.h (limited to 'include/libyuv/rotate.h') diff --git a/include/libyuv/rotate.h b/include/libyuv/rotate.h new file mode 100644 index 00000000..37460c4a --- /dev/null +++ b/include/libyuv/rotate.h @@ -0,0 +1,296 @@ +/* + * 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_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode mode); + +// Rotate I422 frame. +LIBYUV_API +int I422Rotate(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode mode); + +// Rotate I444 frame. +LIBYUV_API +int I444Rotate(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode mode); + +// Rotate I010 frame. +LIBYUV_API +int I010Rotate(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode mode); + +// Rotate I210 frame. +LIBYUV_API +int I210Rotate(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode mode); + +// Rotate I410 frame. +LIBYUV_API +int I410Rotate(const uint16_t* src_y, + int src_stride_y, + const uint16_t* src_u, + int src_stride_u, + const uint16_t* src_v, + int src_stride_v, + uint16_t* dst_y, + int dst_stride_y, + uint16_t* dst_u, + int dst_stride_u, + uint16_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode mode); + +// Rotate NV12 input and store in I420. +LIBYUV_API +int NV12ToI420Rotate(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode mode); + +// Convert Android420 to I420 with rotation. +// "rotation" can be 0, 90, 180 or 270. +LIBYUV_API +int Android420ToI420Rotate(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + int src_pixel_stride_uv, + uint8_t* dst_y, + int dst_stride_y, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode rotation); + +// Rotate a plane by 0, 90, 180, or 270. +LIBYUV_API +int RotatePlane(const uint8_t* src, + int src_stride, + uint8_t* dst, + int dst_stride, + int width, + int height, + enum RotationMode mode); + +// Rotate planes by 90, 180, 270. Deprecated. +LIBYUV_API +void RotatePlane90(const uint8_t* src, + int src_stride, + uint8_t* dst, + int dst_stride, + int width, + int height); + +LIBYUV_API +void RotatePlane180(const uint8_t* src, + int src_stride, + uint8_t* dst, + int dst_stride, + int width, + int height); + +LIBYUV_API +void RotatePlane270(const uint8_t* src, + int src_stride, + uint8_t* dst, + int dst_stride, + int width, + int height); + +// Rotate a plane by 0, 90, 180, or 270. +LIBYUV_API +int RotatePlane_16(const uint16_t* src, + int src_stride, + uint16_t* dst, + int dst_stride, + int width, + int height, + enum RotationMode mode); + +// Rotations for when U and V are interleaved. +// These functions take one UV input pointer and +// split the data into two buffers while +// rotating them. +// width and height expected to be half size for NV12. +LIBYUV_API +int SplitRotateUV(const uint8_t* src_uv, + int src_stride_uv, + uint8_t* dst_u, + int dst_stride_u, + uint8_t* dst_v, + int dst_stride_v, + int width, + int height, + enum RotationMode mode); + +LIBYUV_API +void SplitRotateUV90(const uint8_t* src, + int src_stride, + uint8_t* dst_a, + int dst_stride_a, + uint8_t* dst_b, + int dst_stride_b, + int width, + int height); + +LIBYUV_API +void SplitRotateUV180(const uint8_t* src, + int src_stride, + uint8_t* dst_a, + int dst_stride_a, + uint8_t* dst_b, + int dst_stride_b, + int width, + int height); + +LIBYUV_API +void SplitRotateUV270(const uint8_t* src, + int src_stride, + uint8_t* dst_a, + int dst_stride_a, + uint8_t* 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_t* src, + int src_stride, + uint8_t* dst, + int dst_stride, + int width, + int height); + +LIBYUV_API +void SplitTransposeUV(const uint8_t* src, + int src_stride, + uint8_t* dst_a, + int dst_stride_a, + uint8_t* dst_b, + int dst_stride_b, + int width, + int height); + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif + +#endif // INCLUDE_LIBYUV_ROTATE_H_ -- cgit v1.2.3