vp8/common/swapyv12buffer.c

   1 /*
   2  *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license and patent
   5  *  grant that can be found in the LICENSE file in the root of the source
   6  *  tree. All contributing project authors may be found in the AUTHORS
   7  *  file in the root of the source tree.
   8  */
   9
  10
  11 #include "swapyv12buffer.h"
  12
  13 void vp8_swap_yv12_buffer(YV12_BUFFER_CONFIG *new_frame, YV12_BUFFER_CONFIG *last_frame)
  14 {
  15     unsigned char *temp;
  16
  17     temp = last_frame->buffer_alloc;
  18     last_frame->buffer_alloc = new_frame->buffer_alloc;
  19     new_frame->buffer_alloc = temp;
  20
  21     temp = last_frame->y_buffer;
  22     last_frame->y_buffer = new_frame->y_buffer;
  23     new_frame->y_buffer = temp;
  24
  25     temp = last_frame->u_buffer;
  26     last_frame->u_buffer = new_frame->u_buffer;
  27     new_frame->u_buffer = temp;
  28
  29     temp = last_frame->v_buffer;
  30     last_frame->v_buffer = new_frame->v_buffer;
  31     new_frame->v_buffer = temp;
  32
  33 }