2 * This file is part of FFmpeg.
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.
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.
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
21 * Double input streams helper for filters
24 #ifndef AVFILTER_DUALINPUT_H
25 #define AVFILTER_DUALINPUT_H
28 #include "bufferqueue.h"
29 #include "framesync.h"
34 FFFrameSyncIn second_input
; /* must be immediately after fs */
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
41 int ff_dualinput_init(AVFilterContext
*ctx
, FFDualInputContext
*s
);
42 int ff_dualinput_filter_frame(FFDualInputContext
*s
, AVFilterLink
*inlink
, AVFrame
*in
);
43 int ff_dualinput_request_frame(FFDualInputContext
*s
, AVFilterLink
*outlink
);
44 void ff_dualinput_uninit(FFDualInputContext
*s
);
46 #endif /* AVFILTER_DUALINPUT_H */