Index: source/libvpx/third_party/libyuv/include/libyuv/rotate.h |
=================================================================== |
--- source/libvpx/third_party/libyuv/include/libyuv/rotate.h (revision 0) |
+++ source/libvpx/third_party/libyuv/include/libyuv/rotate.h (revision 0) |
@@ -0,0 +1,117 @@ |
+/* |
+ * 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 |