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dualinput.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 /**
20  * @file
21  * Double input streams helper for filters
22  */
23 
24 #ifndef AVFILTER_DUALINPUT_H
25 #define AVFILTER_DUALINPUT_H
26 
27 #include <stdint.h>
28 #include "bufferqueue.h"
29 #include "framesync.h"
30 #include "internal.h"
31 
32 typedef struct {
34  FFFrameSyncIn second_input; /* must be immediately after fs */
35 
36  AVFrame *(*process)(AVFilterContext *ctx, AVFrame *main, const AVFrame *second);
37  int shortest; ///< terminate stream when the second input terminates
38  int repeatlast; ///< repeat last second frame
40 
45 
46 #endif /* AVFILTER_DUALINPUT_H */