ac3parse: fix obvious crash

diff --git a/gst/audioparsers/gstac3parse.c b/gst/audioparsers/gstac3parse.c
index 644a939..608fc93 100644 (file)
--- a/gst/audioparsers/gstac3parse.c
+++ b/gst/audioparsers/gstac3parse.c
@@ -500,6 +500,7 @@ gst_ac3_parse_check_valid_frame (GstBaseParse * parse,
   if (G_UNLIKELY (size < 6))
     goto cleanup;
 
+  gst_byte_reader_init (&reader, data, size);
   off = gst_byte_reader_masked_scan_uint32 (&reader, 0xffff0000, 0x0b770000,
       0, size);