Last commit was missing header file

Originally committed as revision 13286 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/graphparser.h

+/*
+ * Filter graph parser
+ * copyright (c) 2007 Bobby Bingham
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef FFMPEG_GRAPHPARSER_H
+#define FFMPEG_GRAPHPARSER_H
+
+#include "avfilter.h"
+#include "avfiltergraph.h"
+
+/**
+ * Add to a graph a graph described by a string.
+ * @param graph   the filter graph where to link the parsed graph context
+ * @param filters string to be parsed
+ * @param in      input to the graph to be parsed (TODO: allow several)
+ * @param inpad   pad index of the input
+ * @param in      output to the graph to be parsed (TODO: allow several)
+ * @param inpad   pad index of the output
+ * @return        zero on success, -1 on error
+ */
+int avfilter_graph_parse_chain(AVFilterGraph *graph, const char *filters, AVFilterContext *in, int inpad, AVFilterContext *out, int outpad);
+
+#endif  /* FFMPEG_GRAPHPARSER_H */