amrparse: a valid amr-wb frame should not have reserved frame type index

See #639715.

diff --git a/gst/audioparsers/gstamrparse.c b/gst/audioparsers/gstamrparse.c
index a668817..42481a2 100644 (file)
--- a/gst/audioparsers/gstamrparse.c
+++ b/gst/audioparsers/gstamrparse.c
@@ -64,7 +64,7 @@ static const gint block_size_nb[16] =
     { 12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0 };
 
 static const gint block_size_wb[16] =
-    { 17, 23, 32, 36, 40, 46, 50, 58, 60, 5, 5, 0, 0, 0, 0, 0 };
+    { 17, 23, 32, 36, 40, 46, 50, 58, 60, 5, -1, -1, -1, -1, 0, 0 };
 
 /* AMR has a "hardcoded" framerate of 50fps */
 #define AMR_FRAMES_PER_SECOND 50
@@ -307,8 +307,9 @@ gst_amrparse_check_valid_frame (GstBaseParse * parse,
      *       to contain a valid header as well (and there is enough data to
      *       perform this check)
      */
-    if (GST_BASE_PARSE_FRAME_SYNC (frame) || GST_BASE_PARSE_FRAME_DRAIN (frame)
-        || (dsize > fsize && (data[fsize] & 0x83) == 0)) {
+    if (fsize &&
+        (GST_BASE_PARSE_FRAME_SYNC (frame) || GST_BASE_PARSE_FRAME_DRAIN (frame)
+            || (dsize > fsize && (data[fsize] & 0x83) == 0))) {
       *framesize = fsize;
       return TRUE;
     }