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46 lines
1.7 KiB
46 lines
1.7 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* Double input streams helper for filters |
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*/ |
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#ifndef AVFILTER_DUALINPUT_H |
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#define AVFILTER_DUALINPUT_H |
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#include <stdint.h> |
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#include "bufferqueue.h" |
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#include "framesync.h" |
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#include "internal.h" |
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typedef struct FFDualInputContext { |
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FFFrameSync fs; |
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AVFrame *(*process)(AVFilterContext *ctx, AVFrame *main, const AVFrame *second); |
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int shortest; ///< terminate stream when the second input terminates |
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int repeatlast; ///< repeat last second frame |
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int skip_initial_unpaired; ///< Skip initial frames that do not have a 2nd input |
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} FFDualInputContext; |
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int ff_dualinput_init(AVFilterContext *ctx, FFDualInputContext *s); |
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int ff_dualinput_filter_frame(FFDualInputContext *s, AVFilterLink *inlink, AVFrame *in); |
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int ff_dualinput_request_frame(FFDualInputContext *s, AVFilterLink *outlink); |
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void ff_dualinput_uninit(FFDualInputContext *s); |
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#endif /* AVFILTER_DUALINPUT_H */
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