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-rw-r--r--main/frame.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/main/frame.c b/main/frame.c
index c90469bba..af782edc2 100644
--- a/main/frame.c
+++ b/main/frame.c
@@ -1587,3 +1587,15 @@ int ast_frame_slinear_sum(struct ast_frame *f1, struct ast_frame *f2)
return 0;
}
+
+int ast_frame_clear(struct ast_frame *frame)
+{
+ struct ast_frame *next;
+
+ for (next = AST_LIST_NEXT(frame, frame_list);
+ frame;
+ frame = next, next = frame ? AST_LIST_NEXT(frame, frame_list) : NULL) {
+ memset(frame->data.ptr, 0, frame->datalen);
+ }
+ return 0;
+}