Add API function to flush all events

Add a function to flush all events in a track and increment
LIBASS_VERSION to indicate the addition.
Initial patch by Aurelien Jacobs (aurel AT gnuage DOT org).

2 files changed, 21 insertions, 1 deletions

diff --git a/libass/ass.c b/libass/ass.c
index 2efddcd..d23d101 100644
--- a/libass/ass.c
+++ b/libass/ass.c
@@ -905,6 +905,20 @@ void ass_process_chunk(ASS_Track *track, char *data, int size,
     free(str);
 }
 
+/**
+ * \brief Flush buffered events.
+ * \param track track
+*/
+void ass_flush_events(ASS_Track *track)
+{
+    if (track->events) {
+        int eid;
+        for (eid = 0; eid < track->n_events; eid++)
+            ass_free_event(track, eid);
+        track->n_events = 0;
+    }
+}
+
 #ifdef CONFIG_ICONV
 /** \brief recode buffer to utf-8
  * constraint: codepage != 0
diff --git a/libass/ass.h b/libass/ass.h
index a16bad4..1d98298 100644
--- a/libass/ass.h
+++ b/libass/ass.h
@@ -25,7 +25,7 @@
 #include <stdarg.h>
 #include "ass_types.h"
 
-#define LIBASS_VERSION 0x00909000
+#define LIBASS_VERSION 0x00910000
 
 /*
  * A linked list of images produced by an ass renderer.
@@ -322,6 +322,12 @@ void ass_process_chunk(ASS_Track *track, char *data, int size,
                        long long timecode, long long duration);
 
 /**
+ * \brief Flush buffered events.
+ * \param track track
+*/
+void ass_flush_events(ASS_Track *track);
+
+/**
  * \brief Read subtitles from file.
  * \param library library handle
  * \param fname file name