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libavfilter
dualinput.h
Go to the documentation of this file.
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/*
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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 "
internal.h
"
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typedef
struct
{
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uint8_t
frame_requested
;
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uint8_t
second_eof
;
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AVFrame
*
second_frame
;
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struct
FFBufQueue
queue
[2];
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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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}
FFDualInputContext
;
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int
ff_dualinput_filter_frame_main
(
FFDualInputContext
*
s
,
AVFilterLink
*inlink,
AVFrame
*
in
);
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int
ff_dualinput_filter_frame_second
(
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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