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libavfilter
avfiltergraph.h
Go to the documentation of this file.
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/*
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* Filter graphs
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* copyright (c) 2007 Bobby Bingham
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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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#ifndef AVFILTER_AVFILTERGRAPH_H
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#define AVFILTER_AVFILTERGRAPH_H
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#include "
avfilter.h
"
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#include "
libavutil/log.h
"
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typedef
struct
AVFilterGraph
{
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const
AVClass
*
av_class
;
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unsigned
filter_count
;
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AVFilterContext
**
filters
;
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char
*
scale_sws_opts
;
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}
AVFilterGraph
;
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AVFilterGraph
*
avfilter_graph_alloc
(
void
);
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AVFilterContext
*
avfilter_graph_get_filter
(
AVFilterGraph
*graph,
char
*
name
);
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int
avfilter_graph_add_filter
(
AVFilterGraph
*graphctx,
AVFilterContext
*
filter
);
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int
avfilter_graph_create_filter
(
AVFilterContext
**filt_ctx,
AVFilter
*filt,
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const
char
*
name
,
const
char
*args,
void
*opaque,
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AVFilterGraph
*graph_ctx);
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int
avfilter_graph_config
(
AVFilterGraph
*graphctx,
void
*log_ctx);
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void
avfilter_graph_free
(
AVFilterGraph
**graph);
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typedef
struct
AVFilterInOut
{
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char
*
name
;
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AVFilterContext
*
filter_ctx
;
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int
pad_idx
;
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struct
AVFilterInOut
*
next
;
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}
AVFilterInOut
;
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AVFilterInOut
*
avfilter_inout_alloc
(
void
);
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void
avfilter_inout_free
(
AVFilterInOut
**inout);
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int
avfilter_graph_parse
(
AVFilterGraph
*graph,
const
char
*filters,
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AVFilterInOut
*
inputs
,
AVFilterInOut
*
outputs
,
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void
*log_ctx);
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int
avfilter_graph_parse2
(
AVFilterGraph
*graph,
const
char
*filters,
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AVFilterInOut
**
inputs
,
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AVFilterInOut
**
outputs
);
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#endif
/* AVFILTER_AVFILTERGRAPH_H */