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- /*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- /**
- * @file
- * Double input streams helper for filters
- */
- #ifndef AVFILTER_DUALINPUT_H
- #define AVFILTER_DUALINPUT_H
- #include <stdint.h>
- #include "bufferqueue.h"
- #include "framesync.h"
- #include "internal.h"
- typedef struct {
- FFFrameSync fs;
- AVFrame *(*process)(AVFilterContext *ctx, AVFrame *main, const AVFrame *second);
- int shortest; ///< terminate stream when the second input terminates
- int repeatlast; ///< repeat last second frame
- } FFDualInputContext;
- int ff_dualinput_init(AVFilterContext *ctx, FFDualInputContext *s);
- int ff_dualinput_filter_frame(FFDualInputContext *s, AVFilterLink *inlink, AVFrame *in);
- int ff_dualinput_request_frame(FFDualInputContext *s, AVFilterLink *outlink);
- void ff_dualinput_uninit(FFDualInputContext *s);
- #endif /* AVFILTER_DUALINPUT_H */
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