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-rw-r--r--libavfilter/internal.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/libavfilter/internal.h b/libavfilter/internal.h
index 836733ff76..766debeb71 100644
--- a/libavfilter/internal.h
+++ b/libavfilter/internal.h
@@ -334,6 +334,8 @@ int ff_poll_frame(AVFilterLink *link);
*/
int ff_request_frame(AVFilterLink *link);
+int ff_request_frame_to_filter(AVFilterLink *link);
+
#define AVFILTER_DEFINE_CLASS(fname) \
static const AVClass fname##_class = { \
.class_name = #fname, \
@@ -380,6 +382,11 @@ AVFilterContext *ff_filter_alloc(const AVFilter *filter, const char *inst_name);
void ff_filter_graph_remove_filter(AVFilterGraph *graph, AVFilterContext *filter);
/**
+ * Run one round of processing on a filter graph.
+ */
+int ff_filter_graph_run_once(AVFilterGraph *graph);
+
+/**
* Normalize the qscale factor
* FIXME the H264 qscale is a log based scale, mpeg1/2 is not, the code below
* cannot be optimal