va: Add vacompat.h to wrap glib functions.

The g_queue_clear_full() and g_array_copy() functions in the glib
may not be available for the current glib version check, so we add
helper functions to wrap it.
This should be deleted after the glib version bumps.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1051>

diff --git a/subprojects/gst-plugins-bad/sys/va/vacompat.h b/subprojects/gst-plugins-bad/sys/va/vacompat.h
new file mode 100644 (file)
index 0000000..3f057da
--- /dev/null
+++ b/subprojects/gst-plugins-bad/sys/va/vacompat.h
@@ -0,0 +1,57 @@
+/* GStreamer
+ *  Copyright (C) 2022 Intel Corporation
+ *     Author: He Junyan <junyan.he@intel.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+#if !GLIB_CHECK_VERSION(2, 60, 0)
+#define g_queue_clear_full queue_clear_full
+static inline void
+queue_clear_full (GQueue * queue, GDestroyNotify free_func)
+{
+  gpointer data;
+
+  while ((data = g_queue_pop_head (queue)) != NULL)
+    free_func (data);
+}
+#endif
+
+#if !GLIB_CHECK_VERSION(2, 62, 0)
+#define g_array_copy array_copy
+static inline GArray *
+array_copy (GArray *array)
+{
+  GArray *new_array;
+  guint elt_size = g_array_get_element_size (array);
+
+  new_array = g_array_sized_new (FALSE, FALSE, elt_size, array->len);
+
+  g_array_set_size (new_array, array->len);
+  if (array->len > 0)
+    memcpy (new_array->data, array->data, array->len * elt_size);
+
+  return new_array;
+}
+#endif
+
+G_END_DECLS