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/media/libvpx/vp8/common/swapyv12buffer.c

http://github.com/zpao/v8monkey
C | 34 lines | 17 code | 8 blank | 9 comment | 0 complexity | e83ced61f451af95234cb034a66228a4 MD5 | raw file
 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
14void 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}