Revert "Prepare for O_DIRECT"

[frescor/ffmpeg.git] / libavfilter / avfiltergraph.h

diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index ec1cf16b58fb5874ed9a88c5d8ed37b382d0e754..fcc53ba018e3cf847926ac7c5ce7fb45142117ad 100644 (file)
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -19,34 +19,42 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef FFMPEG_AVFILTERGRAPH_H
-#define FFMPEG_AVFILTERGRAPH_H
+#ifndef AVFILTER_AVFILTERGRAPH_H
+#define AVFILTER_AVFILTERGRAPH_H
 
 #include "avfilter.h"
 
 typedef struct AVFilterGraph {
     unsigned filter_count;
     AVFilterContext **filters;
+
+    char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
 } AVFilterGraph;
 
 /**
- * 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
+ * Get from \p graph a filter instance with name \p name.
+ *
+ * @return the pointer to the found filter instance or NULL if it
+ * cannot be found.
  */
-int avfilter_graph_parse_chain(AVFilterGraph *graph, const char *filters, AVFilterContext *in, int inpad, AVFilterContext *out, int outpad);
+AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
 
 /**
  * Add an existing filter instance to a filter graph.
  * @param graph  The filter graph
  * @param filter The filter to be added
  */
-void avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
+int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
+
+/**
+ * Check for the validity of \p 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 avfilter_graph_check_validity(AVFilterGraph *graphctx, AVClass *log_ctx);
 
 /**
  * Configure the formats of all the links in the graph.
@@ -54,8 +62,8 @@ void avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter)
 int avfilter_graph_config_formats(AVFilterGraph *graphctx);
 
 /**
- * Configure the parameters (resolution, etc) of all links in the graph.
+ * Free a graph and destroy its links.
  */
-int avfilter_graph_config_links(AVFilterGraph *graphctx);
+void avfilter_graph_destroy(AVFilterGraph *graph);
 
-#endif  /* FFMPEG_AVFILTERGRAPH_H */
+#endif  /* AVFILTER_AVFILTERGRAPH_H */