gstreamer/sys/v4l2codecs/gstv4l2codecalphadecodebin.h

58 lines
2.2 KiB
C
Raw Normal View History

/* GStreamer
* Copyright (C) <2021> Collabora Ltd.
* Author: Daniel Almeida <daniel.almeida@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_V4L2_CODEC_ALPHA_DECODE_BIN_H__
#define __GST_V4L2_CODEC_ALPHA_DECODE_BIN_H__
#include <gst/gst.h>
#include <gstv4l2decoder.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_V4L2_CODEC_ALPHA_DECODE_BIN_RANK_OFFSET 10
G_BEGIN_DECLS
#define GST_TYPE_V4L2_CODEC_ALPHA_DECODE_BIN (gst_v4l2_codec_alpha_decode_bin_get_type())
G_DECLARE_DERIVABLE_TYPE (GstV4l2CodecAlphaDecodeBin,
gst_v4l2_codec_alpha_decode_bin, GST, V4L2_CODEC_ALPHA_DECODE_BIN, GstBin);
struct _GstV4l2CodecAlphaDecodeBinClass
{
GstBinClass parent_class;
gchar *decoder_name;
};
void gst_v4l2_codec_alpha_decode_bin_register (GstPlugin * plugin,
GClassInitFunc class_init,
gconstpointer class_data,
const gchar * element_name_tmpl,
GstV4l2CodecDevice * device,
guint rank);
G_END_DECLS
#endif /* __GST_V4L2_CODEC_ALPHA_DECODE_BIN_H__ */