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59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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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_INTERNAL_H
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#define AVFILTER_INTERNAL_H
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/**
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* @file
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* internal API functions
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*/
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#include "avfilter.h"
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#include "avfiltergraph.h"
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/**
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* Check for the validity of graph.
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*
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* A graph is considered valid if all its input and output pads are
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* connected.
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*
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* @return 0 in case of success, a negative value otherwise
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*/
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int ff_avfilter_graph_check_validity(AVFilterGraph *graphctx, AVClass *log_ctx);
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/**
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* Configure all the links of graphctx.
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*
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* @return 0 in case of success, a negative value otherwise
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*/
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int ff_avfilter_graph_config_links(AVFilterGraph *graphctx, AVClass *log_ctx);
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/**
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* Configure the formats of all the links in the graph.
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*/
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int ff_avfilter_graph_config_formats(AVFilterGraph *graphctx, AVClass *log_ctx);
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/** default handler for freeing audio/video buffer when there are no references left */
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void ff_avfilter_default_free_buffer(AVFilterBuffer *buf);
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/** Tell is a format is contained in the provided list terminated by -1. */
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int ff_fmt_is_in(int fmt, const int *fmts);
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#endif /* AVFILTER_INTERNAL_H */
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