ALSA demuxer: use av_gettime and a timefilter.

[ffmpeg] / libavfilter / avfiltergraph.h

diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index 8013b46f5bfc790beb99354b72468ddb3c690baf..a975926fd16a9e4c1f40be918feece4b04c0f270 100644 (file)
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -76,7 +76,7 @@ int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
  * @param log_ctx context used for logging
  * @return 0 in case of success, a negative AVERROR code otherwise
  */
-int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx);
+int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx);
 
 /**
  * Free a graph, destroy its links, and set *graph to NULL.
@@ -107,17 +107,33 @@ typedef struct AVFilterInOut {
     struct AVFilterInOut *next;
 } AVFilterInOut;
 
+/**
+ * Create an AVFilterInOut.
+ * Must be free with avfilter_inout_free().
+ */
+AVFilterInOut *avfilter_inout_alloc(void);
+
+/**
+ * Free the AVFilterInOut in *inout, and set its pointer to NULL.
+ * If *inout is NULL, do nothing.
+ */
+void avfilter_inout_free(AVFilterInOut **inout);
+
 /**
  * Add a graph described by a string to a graph.
  *
  * @param graph   the filter graph where to link the parsed graph context
  * @param filters string to be parsed
- * @param inputs  linked list to the inputs of the graph
- * @param outputs linked list to the outputs of the graph
+ * @param inputs  linked list to the inputs of the graph, may be NULL.
+ *                It is updated to contain the list of open inputs after the parsing,
+ *                should be freed with avfilter_inout_free().
+ * @param outputs linked list to the outputs of the graph, may be NULL.
+ *                It is updated to contain the list of open outputs after the parsing,
+ *                should be freed with avfilter_inout_free().
  * @return zero on success, a negative AVERROR code on error
  */
 int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
-                         AVFilterInOut *inputs, AVFilterInOut *outputs,
-                         AVClass *log_ctx);
+                         AVFilterInOut **inputs, AVFilterInOut **outputs,
+                         void *log_ctx);
 
 #endif /* AVFILTER_AVFILTERGRAPH_H */