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libavfilter/avfiltergraph.h

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00001 /*
00002  * Filter graphs
00003  * copyright (c) 2007 Bobby Bingham
00004  *
00005  * This file is part of FFmpeg.
00006  *
00007  * FFmpeg is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * FFmpeg is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with FFmpeg; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 
00022 #ifndef AVFILTER_AVFILTERGRAPH_H
00023 #define AVFILTER_AVFILTERGRAPH_H
00024 
00025 #include "avfilter.h"
00026 
00027 typedef struct AVFilterGraph {
00028     unsigned filter_count;
00029     AVFilterContext **filters;
00030 
00031     char *scale_sws_opts; 
00032 } AVFilterGraph;
00033 
00040 AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
00041 
00048 int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
00049 
00058 int avfilter_graph_check_validity(AVFilterGraph *graphctx, AVClass *log_ctx);
00059 
00065 int avfilter_graph_config_links(AVFilterGraph *graphctx, AVClass *log_ctx);
00066 
00070 int avfilter_graph_config_formats(AVFilterGraph *graphctx, AVClass *log_ctx);
00071 
00075 void avfilter_graph_destroy(AVFilterGraph *graph);
00076 
00077 #endif  /* AVFILTER_AVFILTERGRAPH_H */

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