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ba4053a2b9
This includes base class with wrappers bin that will create a static pipeline capable of handling the VP8/VP9 alpha channel decoding using two instances of vp8/vp9dec element each. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2199>
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/* GStreamer
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* Copyright (C) <2021> Collabora Ltd.
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* Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_ALPHA_DECODE_BIN_H__
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#define __GST_ALPHA_DECODE_BIN_H__
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#include <gst/gst.h>
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/* When wrapping, use the original rank plus this offset. The ad-hoc rules is
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* that hardware implementation will use PRIMARY+1 or +2 to override the
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* software decoder, so the offset must be large enough to jump over those.
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* This should also be small enough so that a marginal (64) or secondary
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* wrapper does not cross the PRIMARY line.
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*/
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#define GST_ALPHA_DECODE_BIN_RANK_OFFSET 10
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G_BEGIN_DECLS
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#define GST_TYPE_ALPHA_DECODE_BIN (gst_alpha_decode_bin_get_type())
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G_DECLARE_DERIVABLE_TYPE (GstAlphaDecodeBin,
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gst_alpha_decode_bin, GST, ALPHA_DECODE_BIN, GstBin);
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struct _GstAlphaDecodeBinClass
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{
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GstBinClass parent_class;
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const gchar *decoder_name;
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};
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G_END_DECLS
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#endif
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