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06639dd727
Previously, in order to change the surface size we had to let the pipeline redraw it, which at first also involved re-negotiating caps, etc, so a synchronization with the pipeline was absolutely necessary. At the moment, we are using wl_viewport, which separates the surface size from the buffer size and it also allows us to commit a surface resize without attaching a new buffer, so it is enough to just do: gst_wayland_video_pause_rendering(): wl_subsurface_set_sync() gst_video_overlay_set_render_rectangle(): wl_subsurface_set_position() wl_viewport_set_destination() wl_surface_damage() wl_surface_commit() ... commit the parent surface ... gst_wayland_video_resume_rendering(): wl_subsurface_set_desync() This is enough to synchronize a surface resize and the pipeline can continue drawing independently. Now of course, the names pause/resume_rendering are bad. I will rename them in another commit.
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* GStreamer Wayland video sink
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* Copyright (C) 2011 Intel Corporation
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* Copyright (C) 2011 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 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_WAYLAND_VIDEO_SINK_H__
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#define __GST_WAYLAND_VIDEO_SINK_H__
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#include <gst/gst.h>
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#include <gst/video/gstvideosink.h>
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#include <wayland-client.h>
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#include "wldisplay.h"
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#include "wlwindow.h"
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G_BEGIN_DECLS
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#define GST_TYPE_WAYLAND_SINK \
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(gst_wayland_sink_get_type())
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#define GST_WAYLAND_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAYLAND_SINK,GstWaylandSink))
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#define GST_WAYLAND_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAYLAND_SINK,GstWaylandSinkClass))
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#define GST_IS_WAYLAND_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAYLAND_SINK))
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#define GST_IS_WAYLAND_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAYLAND_SINK))
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#define GST_WAYLAND_SINK_GET_CLASS(inst) \
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(G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_WAYLAND_SINK, GstWaylandSinkClass))
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typedef struct _GstWaylandSink GstWaylandSink;
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typedef struct _GstWaylandSinkClass GstWaylandSinkClass;
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struct _GstWaylandSink
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{
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GstVideoSink parent;
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GMutex display_lock;
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GstWlDisplay *display;
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GstWlWindow *window;
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GstBufferPool *pool;
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gint video_width;
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gint video_height;
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gchar *display_name;
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gboolean redraw_pending;
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GMutex render_lock;
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GstBuffer *last_buffer;
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};
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struct _GstWaylandSinkClass
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{
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GstVideoSinkClass parent;
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};
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GType gst_wayland_sink_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __GST_WAYLAND_VIDEO_SINK_H__ */
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