diff --git a/funcs.json b/funcs.json
index 576dcbb..ea7c3be 100644
--- a/funcs.json
+++ b/funcs.json
@@ -49,6 +49,7 @@
         ["avcodec_find_decoder_by_name", "number", ["string"]],
         ["avcodec_find_encoder", "number", ["number"]],
         ["avcodec_find_encoder_by_name", "number", ["string"]],
+        ["avcodec_flush_buffers", null, ["number"]],
         ["avcodec_free_context", null, ["number"]],
         ["avcodec_get_name", "string", ["number"]],
         ["avcodec_open2", "number", ["number", "number", "number"]],