am 33cfdeb7: Update libyuv to r397

# Via Adam Hampson
* commit '33cfdeb7b267ab635413797fffb046b73272f7ec':
  Update libyuv to r397

1 files changed, 73 insertions, 15 deletions

diff --git a/files/include/libyuv/rotate.h b/files/include/libyuv/rotate.h
index 65c38de3..e7608a2d 100644
--- a/files/include/libyuv/rotate.h
+++ b/files/include/libyuv/rotate.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
+ *  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
@@ -8,45 +8,103 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef INCLUDE_LIBYUV_ROTATE_H_
+#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
+// Supported rotation.
 enum RotationMode {
-  kRotate0 = 0, // No rotation
-  kRotate90 = 90,  // Rotate 90 degrees clockwise
-  kRotate180 = 180,  // Rotate 180 degrees
-  kRotate270 = 270,  // Rotate 270 degrees clockwise
+  kRotate0 = 0,  // No rotation.
+  kRotate90 = 90,  // Rotate 90 degrees clockwise.
+  kRotate180 = 180,  // Rotate 180 degrees.
+  kRotate270 = 270,  // Rotate 270 degrees clockwise.
 
-  // Deprecated
+  // Deprecated.
   kRotateNone = 0,
   kRotateClockwise = 90,
   kRotateCounterClockwise = 270,
 };
 
-// Rotate I420 frame
+// 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 width, int height,
-               RotationMode mode);
+               int src_width, int src_height, RotationMode mode);
 
-// Rotate NV12 input and store in I420
+// 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 width, int height,
-                     RotationMode mode);
+                     int src_width, int src_height, RotationMode mode);
 
+// Rotate planes by 90, 180, 270
+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.
+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.
+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_
+#endif  // INCLUDE_LIBYUV_ROTATE_H_  NOLINT