Merge commit 'aebf07075f4244caf591a3af71e5872fe314e87b'

[ffmpeg] / libavfilter / internal.h

diff --git a/libavfilter/internal.h b/libavfilter/internal.h
index 6ae1535281f00b123e5d7bae5b12a0f2fe3b7f43..766debeb714a077feffe4b4374855c3dcb57fb9e 100644 (file)
--- a/libavfilter/internal.h
+++ b/libavfilter/internal.h
@@ -226,6 +226,21 @@ int ff_parse_channel_layout(int64_t *ret, int *nret, const char *arg,
 
 void ff_update_link_current_pts(AVFilterLink *link, int64_t pts);
 
+/**
+ * Set the status field of a link from the source filter.
+ * The pts should reflect the timestamp of the status change,
+ * in link time base and relative to the frames timeline.
+ * In particular, for AVERROR_EOF, it should reflect the
+ * end time of the last frame.
+ */
+void ff_avfilter_link_set_in_status(AVFilterLink *link, int status, int64_t pts);
+
+/**
+ * Set the status field of a link from the destination filter.
+ * The pts should probably be left unset (AV_NOPTS_VALUE).
+ */
+void ff_avfilter_link_set_out_status(AVFilterLink *link, int status, int64_t pts);
+
 void ff_command_queue_pop(AVFilterContext *filter);
 
 /* misc trace functions */
@@ -319,6 +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,                   \
@@ -364,6 +381,11 @@ 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