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d270654c48
volatile is not sufficient to provide atomic guarantees and real atomics should be used instead. GCC 11 has started warning about using volatile with atomic operations. https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719 Discovered in https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/868 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/-/merge_requests/418>
129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
/*
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* gstvaapisink.h - VA-API video sink
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2014 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@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_VAAPISINK_H
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#define GST_VAAPISINK_H
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#include "gstvaapipluginbase.h"
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#include <gst/vaapi/gstvaapiwindow.h>
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#include "gstvaapipluginutil.h"
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G_BEGIN_DECLS
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#define GST_TYPE_VAAPISINK \
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(gst_vaapisink_get_type ())
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#define GST_VAAPISINK_CAST(obj) \
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((GstVaapiSink *)(obj))
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#define GST_VAAPISINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VAAPISINK, GstVaapiSink))
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#define GST_VAAPISINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VAAPISINK, GstVaapiSinkClass))
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#define GST_IS_VAAPISINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VAAPISINK))
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#define GST_IS_VAAPISINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VAAPISINK))
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#define GST_VAAPISINK_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VAAPISINK, GstVaapiSinkClass))
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typedef struct _GstVaapiSink GstVaapiSink;
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typedef struct _GstVaapiSinkClass GstVaapiSinkClass;
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typedef struct _GstVaapiSinkBackend GstVaapiSinkBackend;
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typedef gboolean (*GstVaapiSinkCreateWindowFunc) (GstVaapiSink * sink,
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guint width, guint height);
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typedef gboolean (*GstVaapiSinkCreateWindowFromHandleFunc) (GstVaapiSink * sink,
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guintptr window);
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typedef gboolean (*GstVaapiSinkRenderSurfaceFunc) (GstVaapiSink * sink,
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GstVaapiSurface * surface, const GstVaapiRectangle * surface_rect,
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guint flags);
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typedef gboolean (*GstVaapiSinkHandleEventsFunc) (GstVaapiSink * sink);
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typedef gboolean (*GstVaapiSinkPreStartEventThreadFunc) (GstVaapiSink * sink);
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typedef gboolean (*GstVaapiSinkPreStopEventThreadFunc) (GstVaapiSink * sink);
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struct _GstVaapiSinkBackend
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{
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GstVaapiSinkCreateWindowFunc create_window;
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GstVaapiSinkCreateWindowFromHandleFunc create_window_from_handle;
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GstVaapiSinkRenderSurfaceFunc render_surface;
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/* Event threads handling */
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gboolean event_thread_needed;
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GstVaapiSinkHandleEventsFunc handle_events;
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GstVaapiSinkPreStartEventThreadFunc pre_start_event_thread;
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GstVaapiSinkPreStopEventThreadFunc pre_stop_event_thread;
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};
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struct _GstVaapiSink
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{
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/*< private >*/
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GstVaapiPluginBase parent_instance;
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const GstVaapiSinkBackend *backend;
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GstCaps *caps;
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GstVaapiWindow *window;
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guint window_width;
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guint window_height;
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GstBuffer *video_buffer;
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guint video_width;
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guint video_height;
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gint video_par_n;
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gint video_par_d;
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GstVideoInfo video_info;
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GstVaapiRectangle display_rect;
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GstVaapiRotation rotation;
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GstVaapiRotation rotation_req;
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GstVaapiRotation rotation_tag;
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GstVaapiRotation rotation_prop;
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guint color_standard;
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gint32 view_id;
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GThread *event_thread;
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gboolean event_thread_cancel;
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/* Color balance values */
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guint cb_changed;
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GValue cb_values[4];
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GList *cb_channels;
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guint handle_events : 1;
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guint foreign_window : 1;
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guint fullscreen : 1;
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guint use_overlay : 1;
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guint use_rotation : 1;
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guint keep_aspect : 1;
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guint signal_handoffs : 1;
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};
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struct _GstVaapiSinkClass
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{
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/*< private >*/
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GstVaapiPluginBaseClass parent_class;
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};
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GType
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gst_vaapisink_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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#endif /* GST_VAAPISINK_H */
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