/*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
*/
#include "avfilter.h"
+#include "avfiltergraph.h"
-void ff_dprintf_ref(void *ctx, AVFilterBufferRef *ref, int end);
+/**
+ * Check for the validity of graph.
+ *
+ * A graph is considered valid if all its input and output pads are
+ * connected.
+ *
+ * @return 0 in case of success, a negative value otherwise
+ */
+int ff_avfilter_graph_check_validity(AVFilterGraph *graphctx, AVClass *log_ctx);
-char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms);
+/**
+ * Configure all the links of graphctx.
+ *
+ * @return 0 in case of success, a negative value otherwise
+ */
+int ff_avfilter_graph_config_links(AVFilterGraph *graphctx, AVClass *log_ctx);
-void ff_dprintf_link(void *ctx, AVFilterLink *link, int end);
+/**
+ * Configure the formats of all the links in the graph.
+ */
+int ff_avfilter_graph_config_formats(AVFilterGraph *graphctx, AVClass *log_ctx);
-#define FF_DPRINTF_START(ctx, func) dprintf(NULL, "%-16s: ", #func)
+/** default handler for freeing audio/video buffer when there are no references left */
+void ff_avfilter_default_free_buffer(AVFilterBuffer *buf);
#endif /* AVFILTER_INTERNAL_H */