src/third_party/libvpx/vp8/common/swapyv12buffer.c

/*
 *  Copyright (c) 2010 The WebM 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.
 */

#include "swapyv12buffer.h"

void vp8_swap_yv12_buffer(YV12_BUFFER_CONFIG *new_frame,
                          YV12_BUFFER_CONFIG *last_frame) {
  unsigned char *temp;

  temp = last_frame->buffer_alloc;
  last_frame->buffer_alloc = new_frame->buffer_alloc;
  new_frame->buffer_alloc = temp;

  temp = last_frame->y_buffer;
  last_frame->y_buffer = new_frame->y_buffer;
  new_frame->y_buffer = temp;

  temp = last_frame->u_buffer;
  last_frame->u_buffer = new_frame->u_buffer;
  new_frame->u_buffer = temp;

  temp = last_frame->v_buffer;
  last_frame->v_buffer = new_frame->v_buffer;
  new_frame->v_buffer = temp;
}