xref: /OK3568_Linux_fs/external/gstreamer-rockchip/gst/rockchipmpp/gstmppalphadecodebin.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /* GStreamer
2  * Copyright (C) <2021> Collabora Ltd.
3  *   Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
4  *   Author: Julian Bouzas <julian.bouzas@collabora.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef __GST_MPP_ALPHA_DECODE_BIN_H__
23 #define __GST_MPP_ALPHA_DECODE_BIN_H__
24 
25 #include <gst/gst.h>
26 
27 /* When wrapping, use the original rank plus this offset. The ad-hoc rules is
28  * that hardware implementation will use PRIMARY+1 or +2 to override the
29  * software decoder, so the offset must be large enough to jump over those.
30  * This should also be small enough so that a marginal (64) or secondary
31  * wrapper does not cross the PRIMARY line.
32  */
33 #define GST_MPP_ALPHA_DECODE_BIN_RANK_OFFSET 10
34 
35 G_BEGIN_DECLS
36 #define GST_TYPE_MPP_ALPHA_DECODE_BIN (gst_mpp_alpha_decode_bin_get_type())
37 G_DECLARE_DERIVABLE_TYPE (GstMppAlphaDecodeBin,
38     gst_mpp_alpha_decode_bin, GST, MPP_ALPHA_DECODE_BIN, GstBin);
39 
40 struct _GstMppAlphaDecodeBinClass
41 {
42   GstBinClass parent_class;
43 
44   const gchar *decoder_name;
45 };
46 
47 G_END_DECLS
48 #endif
49