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c0f44e90c5
If there are multiple Wayland event listeners in different threads we get the formats and modifiers pushed concurrently which leads to segfault from GArray methods. This patch protects the array. The problem occurs e.g. when using vaapipostproc together with Qt qmlglsink, QtWayland will get the events as well as VAAPI. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5280>
115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
/*
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* gstvaapidisplay_wayland_priv.h - Internal VA/Wayland interface
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*
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* Copyright (C) 2012-2013 Intel Corporation
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* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
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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_VAAPI_DISPLAY_WAYLAND_PRIV_H
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#define GST_VAAPI_DISPLAY_WAYLAND_PRIV_H
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#include "xdg-shell-client-protocol.h"
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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#include <gst/vaapi/gstvaapidisplay_wayland.h>
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#include "gstvaapidisplay_priv.h"
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G_BEGIN_DECLS
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#define GST_VAAPI_IS_DISPLAY_WAYLAND(display) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((display), GST_TYPE_VAAPI_DISPLAY_WAYLAND))
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#define GST_VAAPI_DISPLAY_WAYLAND_CAST(display) \
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((GstVaapiDisplayWayland *)(display))
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#define GST_VAAPI_DISPLAY_WAYLAND_GET_PRIVATE(display) \
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(GST_VAAPI_DISPLAY_WAYLAND_CAST(display)->priv)
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#define GST_VAAPI_DISPLAY_WAYLAND_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VAAPI_DISPLAY_WAYLAND, GstVaapiDisplayWaylandClass))
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typedef struct _GstVaapiDisplayWaylandPrivate GstVaapiDisplayWaylandPrivate;
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typedef struct _GstVaapiDisplayWaylandClass GstVaapiDisplayWaylandClass;
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/**
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* GST_VAAPI_DISPLAY_WL_DISPLAY:
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* @display: a #GstVaapiDisplay
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*
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* Macro that evaluates to the underlying Wayland #wl_display object
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* of @display
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*/
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#undef GST_VAAPI_DISPLAY_WL_DISPLAY
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#define GST_VAAPI_DISPLAY_WL_DISPLAY(display) \
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GST_VAAPI_DISPLAY_WAYLAND_GET_PRIVATE(display)->wl_display
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typedef struct _GstDRMFormat GstDRMFormat;
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struct _GstDRMFormat {
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guint format;
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guint64 modifier;
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};
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struct _GstVaapiDisplayWaylandPrivate
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{
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gchar *display_name;
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struct wl_display *wl_display;
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struct wl_compositor *compositor;
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struct wl_shell *wl_shell;
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struct xdg_wm_base *xdg_wm_base;
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struct wl_subcompositor *subcompositor;
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struct wl_output *output;
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struct zwp_linux_dmabuf_v1 *dmabuf;
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struct wl_registry *registry;
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GArray *dmabuf_formats;
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GMutex dmabuf_formats_lock;
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guint width;
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guint height;
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guint phys_width;
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guint phys_height;
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gint event_fd;
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guint use_foreign_display:1;
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};
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/**
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* GstVaapiDisplayWayland:
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*
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* VA/Wayland display wrapper.
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*/
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struct _GstVaapiDisplayWayland
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{
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/*< private >*/
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GstVaapiDisplay parent_instance;
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GstVaapiDisplayWaylandPrivate *priv;
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};
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/**
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* GstVaapiDisplayWaylandClass:
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*
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* VA/Wayland display wrapper clas.
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*/
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struct _GstVaapiDisplayWaylandClass
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{
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/*< private >*/
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GstVaapiDisplayClass parent_class;
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};
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G_END_DECLS
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#endif /* GST_VAAPI_DISPLAY_WAYLAND_PRIV_H */
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