rtpvp8depay: Check available bytes before copy

Need to check that the number of bytes we want to copy from the adapter
actually is available and handle the error case gracefully. This error
may happen if malformed packets are received and we don't have a
complete frame.

https://bugzilla.gnome.org/show_bug.cgi?id=752663

diff --git a/gst/rtp/gstrtpvp8depay.c b/gst/rtp/gstrtpvp8depay.c
index 128bb7d..f87a80f 100644 (file)
--- a/gst/rtp/gstrtpvp8depay.c
+++ b/gst/rtp/gstrtpvp8depay.c
@@ -173,6 +173,8 @@ gst_rtp_vp8_depay_process (GstRTPBaseDepayload * depay, GstRTPBuffer * rtp)
     GstBuffer *out;
     guint8 header[10];
 
+    if (gst_adapter_available (self->adapter) < 10)
+      goto too_small;
     gst_adapter_copy (self->adapter, &header, 0, 10);
 
     out = gst_adapter_take_buffer (self->adapter,