vp8/common/swapyv12buffer.c

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #include "swapyv12buffer.h"
  13
  14 void vp8_swap_yv12_buffer(YV12_BUFFER_CONFIG *new_frame, YV12_BUFFER_CONFIG *last_frame)
  15 {
  16     unsigned char *temp;
  17
  18     temp = last_frame->buffer_alloc;
  19     last_frame->buffer_alloc = new_frame->buffer_alloc;
  20     new_frame->buffer_alloc = temp;
  21
  22     temp = last_frame->y_buffer;
  23     last_frame->y_buffer = new_frame->y_buffer;
  24     new_frame->y_buffer = temp;
  25
  26     temp = last_frame->u_buffer;
  27     last_frame->u_buffer = new_frame->u_buffer;
  28     new_frame->u_buffer = temp;
  29
  30     temp = last_frame->v_buffer;
  31     last_frame->v_buffer = new_frame->v_buffer;
  32     new_frame->v_buffer = temp;
  33
  34 }