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e6944da134
The GstMemory objects contained in a GstBuffer could be replaced by an upstream element, which would break the association beteen the GstBuffer and the wayland wl_buffer, make the cache lookup results incorrect. This patch changes the cache lookup to use the first GstMemory in a buffer instead. For multi-plane buffers, this assumes that all of the GstMemory(s) will always be moved together as a set, and that the same (first) GstMemory isn't used with different combinations of other GstMemory(s). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1401>
100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/* GStreamer Wayland video sink
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*
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* Copyright (C) 2014 Collabora Ltd.
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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 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_WL_DISPLAY_H__
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#define __GST_WL_DISPLAY_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <wayland-client.h>
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#include "xdg-shell-client-protocol.h"
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#include "viewporter-client-protocol.h"
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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#include "fullscreen-shell-unstable-v1-client-protocol.h"
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G_BEGIN_DECLS
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#define GST_TYPE_WL_DISPLAY (gst_wl_display_get_type ())
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#define GST_WL_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_WL_DISPLAY, GstWlDisplay))
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#define GST_IS_WL_DISPLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_WL_DISPLAY))
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#define GST_WL_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_WL_DISPLAY, GstWlDisplayClass))
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#define GST_IS_WL_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_WL_DISPLAY))
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#define GST_WL_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_WL_DISPLAY, GstWlDisplayClass))
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typedef struct _GstWlDisplay GstWlDisplay;
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typedef struct _GstWlDisplayClass GstWlDisplayClass;
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struct _GstWlDisplay
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{
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GObject parent_instance;
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/* public objects */
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struct wl_display *display;
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struct wl_display *display_wrapper;
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struct wl_event_queue *queue;
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/* globals */
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struct wl_registry *registry;
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struct wl_compositor *compositor;
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struct wl_subcompositor *subcompositor;
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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 zwp_fullscreen_shell_v1 *fullscreen_shell;
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struct wl_shm *shm;
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struct wp_viewporter *viewporter;
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struct zwp_linux_dmabuf_v1 *dmabuf;
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GArray *shm_formats;
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GArray *dmabuf_formats;
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/* private */
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gboolean own_display;
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GThread *thread;
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GstPoll *wl_fd_poll;
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GMutex buffers_mutex;
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GHashTable *buffers;
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gboolean shutting_down;
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};
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struct _GstWlDisplayClass
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{
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GObjectClass parent_class;
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};
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GType gst_wl_display_get_type (void);
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GstWlDisplay *gst_wl_display_new (const gchar * name, GError ** error);
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GstWlDisplay *gst_wl_display_new_existing (struct wl_display * display,
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gboolean take_ownership, GError ** error);
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/* see wlbuffer.c for explanation */
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void gst_wl_display_register_buffer (GstWlDisplay * self, gpointer gstmem,
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gpointer wlbuffer);
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void gst_wl_display_unregister_buffer (GstWlDisplay * self, gpointer gstmem);
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gpointer gst_wl_display_lookup_buffer (GstWlDisplay * self, gpointer gstmem);
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gboolean gst_wl_display_check_format_for_shm (GstWlDisplay * display,
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GstVideoFormat format);
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gboolean gst_wl_display_check_format_for_dmabuf (GstWlDisplay * display,
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GstVideoFormat format);
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G_END_DECLS
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#endif /* __GST_WL_DISPLAY_H__ */
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