1 files changed, 48 insertions, 0 deletions
diff --git a/gst/codecalpha/gstalphadecodebin.h b/gst/codecalpha/gstalphadecodebin.h
new file mode 100644
index 000000000..a2ecb579c
--- /dev/null
+++ b/gst/codecalpha/gstalphadecodebin.h
@@ -0,0 +1,48 @@
+/* GStreamer
+ * Copyright (C) <2021> Collabora Ltd.
+ *   Author: Nicolas Dufresne <nicolas.dufresne@collabora.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.
+ */
+
+#ifndef __GST_ALPHA_DECODE_BIN_H__
+#define __GST_ALPHA_DECODE_BIN_H__
+
+#include <gst/gst.h>
+
+/* When wrapping, use the original rank plus this offset. The ad-hoc rules is
+ * that hardware implementation will use PRIMARY+1 or +2 to override the
+ * software decoder, so the offset must be large enough to jump over those.
+ * This should also be small enough so that a marginal (64) or secondary
+ * wrapper does not cross the PRIMARY line.
+ */
+#define GST_ALPHA_DECODE_BIN_RANK_OFFSET 10
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_ALPHA_DECODE_BIN (gst_alpha_decode_bin_get_type())
+G_DECLARE_DERIVABLE_TYPE (GstAlphaDecodeBin,
+    gst_alpha_decode_bin, GST, ALPHA_DECODE_BIN, GstBin);
+
+struct _GstAlphaDecodeBinClass
+{
+  GstBinClass parent_class;
+
+  const gchar *decoder_name;
+};
+
+G_END_DECLS
+#endif