fluiddec: don't crash on 0-sized input buffers

https://bugzilla.gnome.org/show_bug.cgi?id=737658
2014-10-01 00:53:59 +01:00 · 2014-10-01 00:53:59 +01:00 · 3953b8e419
commit 3953b8e419
parent cc3ca17f4c
1 changed files with 6 additions and 0 deletions
--- a/ext/fluidsynth/gstfluiddec.c
+++ b/ext/fluidsynth/gstfluiddec.c
@ -396,6 +396,9 @@ handle_buffer (GstFluidDec * fluiddec, GstBuffer * buffer)

  gst_buffer_map (buffer, &info, GST_MAP_READ);

+  if (info.size == 0)
+    goto done;
+
  event = info.data[0];

  switch (event & 0xf0) {
@ -461,6 +464,9 @@ handle_buffer (GstFluidDec * fluiddec, GstBuffer * buffer)
      break;
    }
  }
+
+done:
+
  gst_buffer_unmap (buffer, &info);
 }