Use g_memdup2() where available and add fallback for older GLib versions

- x264 encoder bitrate profile manager: alloc size is based
  on existing allocation
- asfdemux: change length var to 64-bit and check for G_MAXUINT
- realmedia: opaque_data_len is read from 32 bits and then
  only subtracted upon.

g_memdup() is deprecated since GLib 2.68 and we want to avoid
deprecation warnings with recent versions of GLib.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-ugly/-/merge_requests/83>

1 files changed, 5 insertions, 2 deletions

diff --git a/gst/asfdemux/gstasfdemux.c b/gst/asfdemux/gstasfdemux.c
index 2cf236c9..0c8dc848 100644
--- a/gst/asfdemux/gstasfdemux.c
+++ b/gst/asfdemux/gstasfdemux.c
@@ -2458,15 +2458,18 @@ gst_asf_demux_get_buffer (GstBuffer ** p_buf, guint num_bytes_to_read,
 }
 
 static gboolean
-gst_asf_demux_get_bytes (guint8 ** p_buf, guint num_bytes_to_read,
+gst_asf_demux_get_bytes (guint8 ** p_buf, guint64 num_bytes_to_read,
     guint8 ** p_data, guint64 * p_size)
 {
   *p_buf = NULL;
 
+  if (num_bytes_to_read >= G_MAXUINT)
+    return FALSE;
+
   if (*p_size < num_bytes_to_read)
     return FALSE;
 
-  *p_buf = g_memdup (*p_data, num_bytes_to_read);
+  *p_buf = g_memdup2 (*p_data, num_bytes_to_read);
   *p_data += num_bytes_to_read;
   *p_size -= num_bytes_to_read;
   return TRUE;