swapyv12buffer.c revision 90d3ed91ae9228e1c8bab561b6138d4cb8c1e4fd
190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/*
290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber *
490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber *  Use of this source code is governed by a BSD-style license and patent
590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber *  grant that can be found in the LICENSE file in the root of the source
690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber *  tree. All contributing project authors may be found in the AUTHORS
790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber *  file in the root of the source tree.
890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber */
990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber
1090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber
1190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include "swapyv12buffer.h"
1290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber
1390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Hubervoid vp8_swap_yv12_buffer(YV12_BUFFER_CONFIG *new_frame, YV12_BUFFER_CONFIG *last_frame)
1490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber{
1590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    unsigned char *temp;
1690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber
1790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    temp = last_frame->buffer_alloc;
1890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    last_frame->buffer_alloc = new_frame->buffer_alloc;
1990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    new_frame->buffer_alloc = temp;
2090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber
2190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    temp = last_frame->y_buffer;
2290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    last_frame->y_buffer = new_frame->y_buffer;
2390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    new_frame->y_buffer = temp;
2490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber
2590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    temp = last_frame->u_buffer;
2690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    last_frame->u_buffer = new_frame->u_buffer;
2790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    new_frame->u_buffer = temp;
2890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber
2990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    temp = last_frame->v_buffer;
3090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    last_frame->v_buffer = new_frame->v_buffer;
3190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber    new_frame->v_buffer = temp;
3290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber
3390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber}
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