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The former approach to left the bin unfinished has some problems: the context cannot be shared because the vaapidecode is unlinked in many cases, leading to creating a VADisplay twice. Initially the bin is fully functional, constructed as (-----------------------------------) | vaapidecodebin | | (-------------) (-------) | |<--| vaapidecode |--->| queue |--->| | (-------------) (-------) | (-----------------------------------) When the context is shared and the VADisplay has VPP capabilities, before changing to READY state, the bin is reconfigured dynamically, adding the vaapipostproc element afeter the queue: (--------------------------------------------------------) | vaapidecodebin | | (-------------) (-------) (---------------) | |<--| vaapidecode |--->| queue |--->| vaapipostproc |--->| | (-------------) (-------) (---------------) | (--------------------------------------------------------) Signed-off-by: Víctor Manuel Jáquez Leal <victorx.jaquez@intel.com> https://bugzilla.gnome.org/show_bug.cgi?id=757957
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*
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* gstvaapidecodebin.h
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*
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* Copyright (C) 2015 Intel Corporation
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* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_DECODE_BIN_H
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#define GST_VAAPI_DECODE_BIN_H
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#include <gst/vaapi/gstvaapifilter.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VAAPI_DECODE_BIN (gst_vaapi_decode_bin_get_type ())
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#define GST_VAAPI_DECODE_BIN(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VAAPI_DECODE_BIN, GstVaapiDecodeBin))
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#define GST_VAAPI_DECODE_BIN_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VAAPI_DECODE_BIN, GstVaapiDecodeBinClass))
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#define GST_IS_AUTO_DETECT(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VAAPI_DECODE_BIN))
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#define GST_IS_AUTO_DETECT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VAAPI_DECODE_BIN))
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#define GST_VAAPI_DECODE_BIN_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VAAPI_DECODE_BIN, GstVaapiDecodeBinClass))
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typedef struct _GstVaapiDecodeBin {
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/* < private > */
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GstBin parent;
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GstElement *decoder;
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GstElement *queue;
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GstElement *postproc;
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/* properties */
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guint max_size_buffers;
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guint max_size_bytes;
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guint64 max_size_time;
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GstVaapiDeinterlaceMethod deinterlace_method;
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gboolean disable_vpp;
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guint has_vpp;
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} GstVaapiDecodeBin;
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typedef struct _GstVaapiDecodeBinClass {
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GstBinClass parent_class;
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} GstVaapiDecodeBinClass;
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GType gst_vaapi_decode_bin_get_type (void);
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G_END_DECLS
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#endif /* GST_VAAPI_DECODE_BIN_H */
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