2021-12-08 08:30:21 +00:00
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/*
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* GStreamer
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
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* Copyright (C) 2021 Collabora Ltd.
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* @author George Kiagiadakis <george.kiagiadakis@collabora.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
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstgtkwaylandsink.h"
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2023-02-15 16:49:38 +00:00
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#include "gstgtkutils.h"
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#include "gtkgstwaylandwidget.h"
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2021-12-08 08:30:21 +00:00
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#include <gdk/gdk.h>
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2023-02-15 16:49:38 +00:00
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#include <gst/allocators/allocators.h>
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2021-12-08 08:30:21 +00:00
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#include <gst/wayland/wayland.h>
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#ifdef GDK_WINDOWING_WAYLAND
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#include <gdk/gdkwayland.h>
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#else
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#error "Wayland is not supported in GTK+"
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#endif
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#define GST_CAT_DEFAULT gst_debug_gtk_wayland_sink
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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#define WL_VIDEO_FORMATS \
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"{ BGRx, BGRA, RGBx, xBGR, xRGB, RGBA, ABGR, ARGB, RGB, BGR, " \
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"RGB16, BGR16, YUY2, YVYU, UYVY, AYUV, NV12, NV21, NV16, NV61, " \
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"YUV9, YVU9, Y41B, I420, YV12, Y42B, v308 }"
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (WL_VIDEO_FORMATS) ";"
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_DMABUF,
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WL_VIDEO_FORMATS))
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);
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static void gst_gtk_wayland_sink_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_gtk_wayland_sink_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_gtk_wayland_sink_finalize (GObject * object);
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static GstStateChangeReturn gst_gtk_wayland_sink_change_state (GstElement *
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element, GstStateChange transition);
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static gboolean gst_gtk_wayland_sink_event (GstBaseSink * sink,
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GstEvent * event);
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static GstCaps *gst_gtk_wayland_sink_get_caps (GstBaseSink * bsink,
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GstCaps * filter);
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static gboolean gst_gtk_wayland_sink_set_caps (GstBaseSink * bsink,
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GstCaps * caps);
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static gboolean gst_gtk_wayland_sink_propose_allocation (GstBaseSink * bsink,
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GstQuery * query);
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static GstFlowReturn gst_gtk_wayland_sink_show_frame (GstVideoSink * bsink,
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GstBuffer * buffer);
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static void gst_gtk_wayland_sink_set_rotate_method (GstGtkWaylandSink * self,
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GstVideoOrientationMethod method, gboolean from_tag);
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static void
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gst_gtk_wayland_sink_navigation_interface_init (GstNavigationInterface * iface);
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static void
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calculate_adjustment (GtkWidget * start_widget, GtkAllocation * allocation);
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enum
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{
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PROP_0,
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PROP_WIDGET,
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PROP_DISPLAY,
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PROP_ROTATE_METHOD
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};
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typedef struct _GstGtkWaylandSinkPrivate
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{
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GtkWidget *gtk_widget;
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GtkWidget *gtk_window;
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gulong gtk_window_destroy_id;
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/* from GstWaylandSink */
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GMutex display_lock;
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GstWlDisplay *display;
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GstWlWindow *wl_window;
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gboolean is_wl_window_sync;
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GstBufferPool *pool;
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GstBuffer *last_buffer;
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gboolean use_dmabuf;
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gboolean video_info_changed;
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GstVideoInfo video_info;
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2023-02-16 18:54:42 +00:00
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GstCaps *caps;
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2021-12-08 08:30:21 +00:00
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gboolean redraw_pending;
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GMutex render_lock;
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GstVideoOrientationMethod sink_rotate_method;
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GstVideoOrientationMethod tag_rotate_method;
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GstVideoOrientationMethod current_rotate_method;
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struct wl_callback *callback;
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} GstGtkWaylandSinkPrivate;
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#define gst_gtk_wayland_sink_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstGtkWaylandSink, gst_gtk_wayland_sink,
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GST_TYPE_VIDEO_SINK, G_ADD_PRIVATE (GstGtkWaylandSink)
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G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION,
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gst_gtk_wayland_sink_navigation_interface_init)
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GST_DEBUG_CATEGORY_INIT (gst_debug_gtk_wayland_sink,
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"gtkwaylandsink", 0, "Gtk Wayland Video sink");
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);
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GST_ELEMENT_REGISTER_DEFINE (gtkwaylandsink, "gtkwaylandsink",
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GST_RANK_MARGINAL, GST_TYPE_GTK_WAYLAND_SINK);
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static void
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gst_gtk_wayland_sink_class_init (GstGtkWaylandSinkClass * klass)
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstElementClass *gstelement_class = (GstElementClass *) klass;
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GstBaseSinkClass *gstbasesink_class = (GstBaseSinkClass *) klass;
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GstVideoSinkClass *gstvideosink_class = (GstVideoSinkClass *) klass;
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_finalize);
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gobject_class->get_property =
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_get_property);
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gobject_class->set_property =
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_set_property);
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g_object_class_install_property (gobject_class, PROP_WIDGET,
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g_param_spec_object ("widget", "Gtk Widget",
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"The GtkWidget to place in the widget hierarchy "
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"(must only be get from the GTK main thread)",
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GTK_TYPE_WIDGET,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS |
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GST_PARAM_DOC_SHOW_DEFAULT));
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g_object_class_install_property (gobject_class, PROP_ROTATE_METHOD,
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g_param_spec_enum ("rotate-method",
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"rotate method",
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"rotate method",
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GST_TYPE_VIDEO_ORIENTATION_METHOD, GST_VIDEO_ORIENTATION_IDENTITY,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_change_state);
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gst_element_class_set_metadata (gstelement_class, "Gtk Wayland Video Sink",
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"Sink/Video",
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"A video sink that renders to a GtkWidget using Wayland API",
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"George Kiagiadakis <george.kiagiadakis@collabora.com>");
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gst_element_class_add_static_pad_template (gstelement_class, &sink_template);
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gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_event);
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gstbasesink_class->get_caps =
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_get_caps);
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gstbasesink_class->set_caps =
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_set_caps);
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gstbasesink_class->propose_allocation =
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_propose_allocation);
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gstvideosink_class->show_frame =
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_show_frame);
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}
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static void
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gst_gtk_wayland_sink_init (GstGtkWaylandSink * self)
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{
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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g_mutex_init (&priv->display_lock);
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g_mutex_init (&priv->render_lock);
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}
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static void
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gst_gtk_wayland_sink_finalize (GObject * object)
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{
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GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (object);
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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2023-02-16 19:31:10 +00:00
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g_clear_object (&priv->display);
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g_clear_object (&priv->wl_window);
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g_clear_object (&priv->pool);
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2021-12-08 08:30:21 +00:00
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g_clear_object (&priv->gtk_widget);
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2023-02-16 18:54:42 +00:00
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gst_clear_caps (&priv->caps);
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2021-12-08 08:30:21 +00:00
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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widget_destroy_cb (GtkWidget * widget, GstGtkWaylandSink * self)
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{
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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GST_OBJECT_LOCK (self);
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g_clear_object (&priv->gtk_widget);
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GST_OBJECT_UNLOCK (self);
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}
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static void
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window_destroy_cb (GtkWidget * widget, GstGtkWaylandSink * self)
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{
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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GST_OBJECT_LOCK (self);
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priv->gtk_window = NULL;
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GST_OBJECT_UNLOCK (self);
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GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, ("Window was closed"), (NULL));
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}
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static gboolean
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widget_size_allocate_cb (GtkWidget * widget, GtkAllocation * allocation,
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gpointer user_data)
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{
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GstGtkWaylandSink *self = user_data;
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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struct wl_subsurface *window_subsurface;
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g_mutex_lock (&priv->render_lock);
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priv->is_wl_window_sync = TRUE;
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window_subsurface = gst_wl_window_get_subsurface (priv->wl_window);
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if (window_subsurface)
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wl_subsurface_set_sync (window_subsurface);
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calculate_adjustment (priv->gtk_widget, allocation);
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GST_DEBUG_OBJECT (self, "window geometry changed to (%d, %d) %d x %d",
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allocation->x, allocation->y, allocation->width, allocation->height);
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gst_wl_window_set_render_rectangle (priv->wl_window, allocation->x,
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allocation->y, allocation->width, allocation->height);
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g_mutex_unlock (&priv->render_lock);
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return FALSE;
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}
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static gboolean
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window_after_after_paint_cb (GtkWidget * widget, gpointer user_data)
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{
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GstGtkWaylandSink *self = user_data;
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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g_mutex_lock (&priv->render_lock);
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if (priv->is_wl_window_sync) {
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struct wl_subsurface *window_subsurface;
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priv->is_wl_window_sync = FALSE;
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window_subsurface = gst_wl_window_get_subsurface (priv->wl_window);
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if (window_subsurface)
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wl_subsurface_set_desync (window_subsurface);
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}
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g_mutex_unlock (&priv->render_lock);
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return FALSE;
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}
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static GtkWidget *
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gst_gtk_wayland_sink_get_widget (GstGtkWaylandSink * self)
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{
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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if (priv->gtk_widget != NULL)
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return g_object_ref (priv->gtk_widget);
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/* Ensure GTK is initialized, this has no side effect if it was already
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* initialized. Also, we do that lazily, so the application can be first */
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if (!gtk_init_check (NULL, NULL)) {
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GST_INFO_OBJECT (self, "Could not ensure GTK initialization.");
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return NULL;
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}
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priv->gtk_widget = gtk_gst_wayland_widget_new ();
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gtk_gst_base_widget_set_element (GTK_GST_BASE_WIDGET (priv->gtk_widget),
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GST_ELEMENT (self));
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/* Take the floating ref, other wise the destruction of the container will
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* make this widget disappear possibly before we are done. */
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g_object_ref_sink (priv->gtk_widget);
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g_signal_connect_object (priv->gtk_widget, "destroy",
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G_CALLBACK (widget_destroy_cb), self, 0);
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return g_object_ref (priv->gtk_widget);
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}
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static GtkWidget *
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gst_gtk_wayland_sink_acquire_widget (GstGtkWaylandSink * self)
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{
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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gpointer widget = NULL;
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GST_OBJECT_LOCK (self);
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if (priv->gtk_widget != NULL)
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widget = g_object_ref (priv->gtk_widget);
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GST_OBJECT_UNLOCK (self);
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if (!widget)
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widget =
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gst_gtk_invoke_on_main ((GThreadFunc) gst_gtk_wayland_sink_get_widget,
|
|
|
|
self);
|
|
|
|
|
|
|
|
return widget;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_gtk_wayland_sink_event (GstBaseSink * sink, GstEvent * event)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (sink);
|
|
|
|
GstTagList *taglist;
|
|
|
|
GstVideoOrientationMethod method;
|
|
|
|
gboolean ret;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (self, "handling %s event", GST_EVENT_TYPE_NAME (event));
|
|
|
|
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
|
|
case GST_EVENT_TAG:
|
|
|
|
gst_event_parse_tag (event, &taglist);
|
|
|
|
|
|
|
|
if (gst_video_orientation_from_tag (taglist, &method)) {
|
|
|
|
gst_gtk_wayland_sink_set_rotate_method (self, method, TRUE);
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_gtk_wayland_sink_get_property (GObject * object, guint prop_id,
|
|
|
|
GValue * value, GParamSpec * pspec)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (object);
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
|
|
|
|
switch (prop_id) {
|
|
|
|
case PROP_WIDGET:
|
|
|
|
g_value_take_object (value, gst_gtk_wayland_sink_acquire_widget (self));
|
|
|
|
break;
|
|
|
|
case PROP_ROTATE_METHOD:
|
|
|
|
g_value_set_enum (value, priv->current_rotate_method);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_gtk_wayland_sink_set_property (GObject * object, guint prop_id,
|
|
|
|
const GValue * value, GParamSpec * pspec)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (object);
|
|
|
|
|
|
|
|
switch (prop_id) {
|
|
|
|
case PROP_ROTATE_METHOD:
|
|
|
|
gst_gtk_wayland_sink_set_rotate_method (self, g_value_get_enum (value),
|
|
|
|
FALSE);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
calculate_adjustment (GtkWidget * widget, GtkAllocation * allocation)
|
|
|
|
{
|
|
|
|
GdkWindow *window;
|
|
|
|
gint wx, wy;
|
|
|
|
|
|
|
|
window = gtk_widget_get_window (widget);
|
|
|
|
gdk_window_get_origin (window, &wx, &wy);
|
|
|
|
|
|
|
|
allocation->x = wx;
|
|
|
|
allocation->y = wy;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
scrollable_window_adjustment_changed_cb (GtkAdjustment * adjustment,
|
|
|
|
gpointer user_data)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = user_data;
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GtkAllocation allocation;
|
|
|
|
|
|
|
|
gtk_widget_get_allocation (priv->gtk_widget, &allocation);
|
|
|
|
calculate_adjustment (priv->gtk_widget, &allocation);
|
|
|
|
gst_wl_window_set_render_rectangle (priv->wl_window, allocation.x,
|
|
|
|
allocation.y, allocation.width, allocation.height);
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
setup_wl_window (GstGtkWaylandSink * self)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GdkWindow *gdk_window;
|
|
|
|
GdkFrameClock *gdk_frame_clock;
|
|
|
|
GtkAllocation allocation;
|
|
|
|
GtkWidget *widget;
|
|
|
|
|
|
|
|
g_mutex_lock (&priv->render_lock);
|
|
|
|
|
|
|
|
gdk_window = gtk_widget_get_window (priv->gtk_widget);
|
|
|
|
g_assert (gdk_window);
|
|
|
|
|
|
|
|
if (!priv->wl_window) {
|
|
|
|
struct wl_surface *wl_surface;
|
|
|
|
|
|
|
|
wl_surface = gdk_wayland_window_get_wl_surface (gdk_window);
|
|
|
|
|
|
|
|
GST_INFO_OBJECT (self, "setting window handle");
|
|
|
|
|
|
|
|
priv->wl_window = gst_wl_window_new_in_surface (priv->display,
|
|
|
|
wl_surface, &priv->render_lock);
|
|
|
|
gst_wl_window_set_rotate_method (priv->wl_window,
|
|
|
|
priv->current_rotate_method);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* In order to position the subsurface correctly within a scrollable widget,
|
|
|
|
* we can not rely on the allocation alone but need to take the window
|
|
|
|
* origin into account
|
|
|
|
*/
|
|
|
|
widget = priv->gtk_widget;
|
|
|
|
do {
|
|
|
|
if (GTK_IS_SCROLLABLE (widget)) {
|
|
|
|
GtkAdjustment *hadjustment;
|
|
|
|
GtkAdjustment *vadjustment;
|
|
|
|
|
|
|
|
hadjustment = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (widget));
|
|
|
|
vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (widget));
|
|
|
|
|
|
|
|
g_signal_connect (hadjustment, "value-changed",
|
|
|
|
G_CALLBACK (scrollable_window_adjustment_changed_cb), self);
|
|
|
|
g_signal_connect (vadjustment, "value-changed",
|
|
|
|
G_CALLBACK (scrollable_window_adjustment_changed_cb), self);
|
|
|
|
}
|
|
|
|
} while ((widget = gtk_widget_get_parent (widget)));
|
|
|
|
|
|
|
|
gtk_widget_get_allocation (priv->gtk_widget, &allocation);
|
|
|
|
calculate_adjustment (priv->gtk_widget, &allocation);
|
|
|
|
gst_wl_window_set_render_rectangle (priv->wl_window, allocation.x,
|
|
|
|
allocation.y, allocation.width, allocation.height);
|
|
|
|
|
|
|
|
/* Make subsurfaces syncronous during resizes.
|
|
|
|
* Unfortunately GTK/GDK does not provide easier to use signals.
|
|
|
|
*/
|
|
|
|
g_signal_connect (priv->gtk_widget, "size-allocate",
|
|
|
|
G_CALLBACK (widget_size_allocate_cb), self);
|
|
|
|
gdk_frame_clock = gdk_window_get_frame_clock (gdk_window);
|
|
|
|
g_signal_connect_after (gdk_frame_clock, "after-paint",
|
|
|
|
G_CALLBACK (window_after_after_paint_cb), self);
|
|
|
|
|
|
|
|
/* Ensure the base widget is initialized */
|
|
|
|
gtk_gst_base_widget_set_buffer (GTK_GST_BASE_WIDGET (priv->gtk_widget), NULL);
|
|
|
|
|
|
|
|
g_mutex_unlock (&priv->render_lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
window_initial_map_cb (GtkWidget * widget, gpointer user_data)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = user_data;
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
|
|
|
|
setup_wl_window (self);
|
|
|
|
g_signal_handlers_disconnect_by_func (priv->gtk_widget,
|
|
|
|
window_initial_map_cb, self);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_gtk_wayland_sink_navigation_send_event (GstNavigation * navigation,
|
|
|
|
GstEvent * event)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (navigation);
|
|
|
|
GstPad *pad;
|
|
|
|
gdouble x, y;
|
|
|
|
|
|
|
|
event = gst_event_make_writable (event);
|
|
|
|
|
|
|
|
if (gst_navigation_event_get_coordinates (event, &x, &y)) {
|
|
|
|
GtkGstBaseWidget *widget =
|
|
|
|
GTK_GST_BASE_WIDGET (gst_gtk_wayland_sink_get_widget (self));
|
|
|
|
gdouble stream_x, stream_y;
|
|
|
|
|
|
|
|
if (widget == NULL) {
|
|
|
|
GST_ERROR_OBJECT (self, "Could not ensure GTK initialization.");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
gtk_gst_base_widget_display_size_to_stream_size (widget,
|
|
|
|
x, y, &stream_x, &stream_y);
|
|
|
|
gst_navigation_event_set_coordinates (event, stream_x, stream_y);
|
|
|
|
}
|
|
|
|
|
|
|
|
pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (self));
|
|
|
|
|
|
|
|
GST_TRACE_OBJECT (self, "navigation event %" GST_PTR_FORMAT,
|
|
|
|
gst_event_get_structure (event));
|
|
|
|
|
|
|
|
if (GST_IS_PAD (pad) && GST_IS_EVENT (event)) {
|
|
|
|
if (!gst_pad_send_event (pad, gst_event_ref (event))) {
|
|
|
|
/* If upstream didn't handle the event we'll post a message with it
|
|
|
|
* for the application in case it wants to do something with it */
|
|
|
|
gst_element_post_message (GST_ELEMENT_CAST (self),
|
|
|
|
gst_navigation_message_new_event (GST_OBJECT_CAST (self), event));
|
|
|
|
}
|
|
|
|
gst_event_unref (event);
|
|
|
|
gst_object_unref (pad);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_gtk_wayland_sink_navigation_interface_init (GstNavigationInterface * iface)
|
|
|
|
{
|
|
|
|
iface->send_event_simple = gst_gtk_wayland_sink_navigation_send_event;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_gtk_wayland_sink_start_on_main (GstGtkWaylandSink * self)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GtkWidget *toplevel;
|
|
|
|
GdkDisplay *gdk_display;
|
|
|
|
struct wl_display *wl_display;
|
|
|
|
|
|
|
|
if ((toplevel = gst_gtk_wayland_sink_get_widget (self)) == NULL) {
|
|
|
|
GST_ERROR_OBJECT (self, "Could not ensure GTK initialization.");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
g_object_unref (toplevel);
|
|
|
|
|
|
|
|
/* After this point, priv->gtk_widget will always be set */
|
|
|
|
|
|
|
|
gdk_display = gtk_widget_get_display (priv->gtk_widget);
|
|
|
|
if (!GDK_IS_WAYLAND_DISPLAY (gdk_display)) {
|
|
|
|
GST_ERROR_OBJECT (self, "GDK is not using its wayland backend.");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
wl_display = gdk_wayland_display_get_wl_display (gdk_display);
|
|
|
|
priv->display = gst_wl_display_new_existing (wl_display, FALSE, NULL);
|
|
|
|
|
|
|
|
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (priv->gtk_widget));
|
|
|
|
if (!gtk_widget_is_toplevel (toplevel)) {
|
|
|
|
/* User did not add widget its own UI, let's popup a new GtkWindow to
|
|
|
|
* make gst-launch-1.0 work. */
|
|
|
|
priv->gtk_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
|
|
gtk_window_set_default_size (GTK_WINDOW (priv->gtk_window), 640, 480);
|
|
|
|
gtk_window_set_title (GTK_WINDOW (priv->gtk_window),
|
|
|
|
"Gst GTK Wayland Sink");
|
|
|
|
gtk_container_add (GTK_CONTAINER (priv->gtk_window), toplevel);
|
|
|
|
priv->gtk_window_destroy_id = g_signal_connect (priv->gtk_window, "destroy",
|
|
|
|
G_CALLBACK (window_destroy_cb), self);
|
|
|
|
|
|
|
|
g_signal_connect (priv->gtk_widget, "map",
|
|
|
|
G_CALLBACK (window_initial_map_cb), self);
|
|
|
|
} else {
|
|
|
|
if (gtk_widget_get_mapped (priv->gtk_widget)) {
|
|
|
|
setup_wl_window (self);
|
|
|
|
} else {
|
|
|
|
g_signal_connect (priv->gtk_widget, "map",
|
|
|
|
G_CALLBACK (window_initial_map_cb), self);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_gtk_wayland_sink_stop_on_main (GstGtkWaylandSink * self)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
|
|
|
|
if (priv->gtk_window) {
|
|
|
|
if (priv->gtk_window_destroy_id)
|
|
|
|
g_signal_handler_disconnect (priv->gtk_window,
|
|
|
|
priv->gtk_window_destroy_id);
|
|
|
|
priv->gtk_window_destroy_id = 0;
|
|
|
|
gtk_widget_destroy (priv->gtk_window);
|
|
|
|
priv->gtk_window = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (priv->gtk_widget) {
|
|
|
|
GtkWidget *widget;
|
|
|
|
GdkWindow *gdk_window;
|
|
|
|
|
|
|
|
g_signal_handlers_disconnect_by_func (priv->gtk_widget,
|
|
|
|
widget_size_allocate_cb, self);
|
|
|
|
|
|
|
|
widget = priv->gtk_widget;
|
|
|
|
do {
|
|
|
|
if (GTK_IS_SCROLLABLE (widget)) {
|
|
|
|
GtkAdjustment *hadjustment;
|
|
|
|
GtkAdjustment *vadjustment;
|
|
|
|
|
|
|
|
hadjustment = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (widget));
|
|
|
|
vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (widget));
|
|
|
|
|
|
|
|
g_signal_handlers_disconnect_by_func (hadjustment,
|
|
|
|
scrollable_window_adjustment_changed_cb, self);
|
|
|
|
g_signal_handlers_disconnect_by_func (vadjustment,
|
|
|
|
scrollable_window_adjustment_changed_cb, self);
|
|
|
|
}
|
|
|
|
} while ((widget = gtk_widget_get_parent (widget)));
|
|
|
|
|
|
|
|
gdk_window = gtk_widget_get_window (priv->gtk_widget);
|
|
|
|
if (gdk_window) {
|
|
|
|
GdkFrameClock *gdk_frame_clock;
|
|
|
|
|
|
|
|
gdk_frame_clock = gdk_window_get_frame_clock (gdk_window);
|
|
|
|
g_signal_handlers_disconnect_by_func (gdk_frame_clock,
|
|
|
|
window_after_after_paint_cb, self);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_gtk_widget_show_all_and_unref (GtkWidget * widget)
|
|
|
|
{
|
|
|
|
gtk_widget_show_all (widget);
|
|
|
|
g_object_unref (widget);
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstStateChangeReturn
|
|
|
|
gst_gtk_wayland_sink_change_state (GstElement * element,
|
|
|
|
GstStateChange transition)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (element);
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
|
|
|
|
|
|
|
|
switch (transition) {
|
|
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
|
|
if (!gst_gtk_invoke_on_main ((GThreadFunc)
|
|
|
|
gst_gtk_wayland_sink_start_on_main, element))
|
|
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
|
|
break;
|
|
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
|
|
{
|
|
|
|
GtkWindow *window = NULL;
|
|
|
|
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
|
|
if (priv->gtk_window)
|
|
|
|
window = g_object_ref (GTK_WINDOW (priv->gtk_window));
|
|
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
|
|
|
|
if (window)
|
|
|
|
gst_gtk_invoke_on_main ((GThreadFunc) gst_gtk_widget_show_all_and_unref,
|
|
|
|
window);
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
|
|
if (ret != GST_STATE_CHANGE_SUCCESS)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
switch (transition) {
|
|
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
|
|
case GST_STATE_CHANGE_NULL_TO_NULL:
|
|
|
|
gst_gtk_invoke_on_main ((GThreadFunc)
|
|
|
|
gst_gtk_wayland_sink_stop_on_main, element);
|
|
|
|
break;
|
|
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
|
|
gst_buffer_replace (&priv->last_buffer, NULL);
|
|
|
|
if (priv->wl_window) {
|
|
|
|
/* remove buffer from surface, show nothing */
|
|
|
|
gst_wl_window_render (priv->wl_window, NULL, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
g_mutex_lock (&priv->render_lock);
|
|
|
|
if (priv->callback) {
|
|
|
|
wl_callback_destroy (priv->callback);
|
|
|
|
priv->callback = NULL;
|
|
|
|
}
|
|
|
|
priv->redraw_pending = FALSE;
|
|
|
|
g_mutex_unlock (&priv->render_lock);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstCaps *
|
|
|
|
gst_gtk_wayland_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (bsink);
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GstCaps *caps;
|
|
|
|
|
|
|
|
caps = gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD (self));
|
|
|
|
caps = gst_caps_make_writable (caps);
|
|
|
|
|
|
|
|
g_mutex_lock (&priv->display_lock);
|
|
|
|
|
|
|
|
if (priv->display) {
|
|
|
|
GValue shm_list = G_VALUE_INIT, dmabuf_list = G_VALUE_INIT;
|
|
|
|
GValue value = G_VALUE_INIT;
|
|
|
|
GArray *formats;
|
|
|
|
gint i;
|
|
|
|
guint fmt;
|
|
|
|
GstVideoFormat gfmt;
|
|
|
|
|
|
|
|
g_value_init (&shm_list, GST_TYPE_LIST);
|
|
|
|
g_value_init (&dmabuf_list, GST_TYPE_LIST);
|
|
|
|
|
|
|
|
/* Add corresponding shm formats */
|
|
|
|
formats = gst_wl_display_get_shm_formats (priv->display);
|
|
|
|
for (i = 0; i < formats->len; i++) {
|
|
|
|
fmt = g_array_index (formats, uint32_t, i);
|
|
|
|
gfmt = gst_wl_shm_format_to_video_format (fmt);
|
|
|
|
if (gfmt != GST_VIDEO_FORMAT_UNKNOWN) {
|
|
|
|
g_value_init (&value, G_TYPE_STRING);
|
|
|
|
g_value_set_static_string (&value, gst_video_format_to_string (gfmt));
|
|
|
|
gst_value_list_append_and_take_value (&shm_list, &value);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
gst_structure_take_value (gst_caps_get_structure (caps, 0), "format",
|
|
|
|
&shm_list);
|
|
|
|
|
|
|
|
/* Add corresponding dmabuf formats */
|
|
|
|
formats = gst_wl_display_get_dmabuf_formats (priv->display);
|
|
|
|
for (i = 0; i < formats->len; i++) {
|
|
|
|
fmt = g_array_index (formats, uint32_t, i);
|
|
|
|
gfmt = gst_wl_dmabuf_format_to_video_format (fmt);
|
|
|
|
if (gfmt != GST_VIDEO_FORMAT_UNKNOWN) {
|
|
|
|
g_value_init (&value, G_TYPE_STRING);
|
|
|
|
g_value_set_static_string (&value, gst_video_format_to_string (gfmt));
|
|
|
|
gst_value_list_append_and_take_value (&dmabuf_list, &value);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
gst_structure_take_value (gst_caps_get_structure (caps, 1), "format",
|
|
|
|
&dmabuf_list);
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (self, "display caps: %" GST_PTR_FORMAT, caps);
|
|
|
|
}
|
|
|
|
|
|
|
|
g_mutex_unlock (&priv->display_lock);
|
|
|
|
|
|
|
|
if (filter) {
|
|
|
|
GstCaps *intersection;
|
|
|
|
|
|
|
|
intersection =
|
|
|
|
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
|
|
|
|
gst_caps_unref (caps);
|
|
|
|
caps = intersection;
|
|
|
|
}
|
|
|
|
|
|
|
|
return caps;
|
|
|
|
}
|
|
|
|
|
2023-02-16 18:54:42 +00:00
|
|
|
static gboolean
|
|
|
|
gst_gtk_wayland_update_pool (GstGtkWaylandSink * self, GstAllocator * allocator)
|
2021-12-08 08:30:21 +00:00
|
|
|
{
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
gsize size = priv->video_info.size;
|
2023-02-16 18:54:42 +00:00
|
|
|
GstStructure *config;
|
2021-12-08 08:30:21 +00:00
|
|
|
|
2023-02-16 18:54:42 +00:00
|
|
|
/* Pools with outstanding buffer cannot be reconfigured, so we must use
|
|
|
|
* a new pool. */
|
|
|
|
if (priv->pool) {
|
|
|
|
gst_buffer_pool_set_active (priv->pool, FALSE);
|
|
|
|
gst_object_unref (priv->pool);
|
|
|
|
}
|
|
|
|
priv->pool = gst_wl_video_buffer_pool_new ();
|
2021-12-08 08:30:21 +00:00
|
|
|
|
2023-02-16 18:54:42 +00:00
|
|
|
config = gst_buffer_pool_get_config (priv->pool);
|
|
|
|
gst_buffer_pool_config_set_params (config, priv->caps, size, 2, 0);
|
|
|
|
gst_buffer_pool_config_set_allocator (config, allocator, NULL);
|
2021-12-08 08:30:21 +00:00
|
|
|
|
2023-02-16 18:54:42 +00:00
|
|
|
if (!gst_buffer_pool_set_config (priv->pool, config))
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
return gst_buffer_pool_set_active (priv->pool, TRUE);
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_gtk_wayland_activate_shm_pool (GstGtkWaylandSink * self)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GstAllocator *alloc = NULL;
|
|
|
|
|
|
|
|
if (priv->pool && gst_buffer_pool_is_active (priv->pool)) {
|
|
|
|
GstStructure *config = gst_buffer_pool_get_config (priv->pool);
|
|
|
|
gboolean is_shm = FALSE;
|
|
|
|
|
|
|
|
if (gst_buffer_pool_config_get_allocator (config, &alloc, NULL) && alloc)
|
|
|
|
is_shm = GST_IS_WL_SHM_ALLOCATOR (alloc);
|
|
|
|
|
|
|
|
gst_structure_free (config);
|
|
|
|
|
|
|
|
if (is_shm)
|
|
|
|
return TRUE;
|
2021-12-08 08:30:21 +00:00
|
|
|
}
|
|
|
|
|
2023-02-16 18:54:42 +00:00
|
|
|
alloc = gst_wl_shm_allocator_get ();
|
|
|
|
gst_gtk_wayland_update_pool (self, alloc);
|
|
|
|
gst_object_unref (alloc);
|
|
|
|
|
|
|
|
return TRUE;
|
2021-12-08 08:30:21 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_gtk_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (bsink);
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
gboolean use_dmabuf;
|
|
|
|
GstVideoFormat format;
|
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (self, "set caps %" GST_PTR_FORMAT, caps);
|
|
|
|
|
|
|
|
/* extract info from caps */
|
|
|
|
if (!gst_video_info_from_caps (&priv->video_info, caps))
|
|
|
|
goto invalid_format;
|
|
|
|
|
|
|
|
format = GST_VIDEO_INFO_FORMAT (&priv->video_info);
|
|
|
|
priv->video_info_changed = TRUE;
|
|
|
|
|
2023-02-16 18:54:42 +00:00
|
|
|
/* free pooled buffer used with previous caps */
|
|
|
|
if (priv->pool) {
|
|
|
|
gst_buffer_pool_set_active (priv->pool, FALSE);
|
|
|
|
gst_clear_object (&priv->pool);
|
|
|
|
}
|
2021-12-08 08:30:21 +00:00
|
|
|
|
|
|
|
use_dmabuf = gst_caps_features_contains (gst_caps_get_features (caps, 0),
|
|
|
|
GST_CAPS_FEATURE_MEMORY_DMABUF);
|
|
|
|
|
|
|
|
/* validate the format base on the memory type. */
|
|
|
|
if (use_dmabuf) {
|
|
|
|
if (!gst_wl_display_check_format_for_dmabuf (priv->display, format))
|
|
|
|
goto unsupported_format;
|
|
|
|
} else if (!gst_wl_display_check_format_for_shm (priv->display, format)) {
|
|
|
|
goto unsupported_format;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
|
|
|
|
|
|
if (priv->gtk_widget == NULL) {
|
|
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND,
|
|
|
|
("Output widget was destroyed"), (NULL));
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!gtk_gst_base_widget_set_format (GTK_GST_BASE_WIDGET (priv->gtk_widget),
|
|
|
|
&priv->video_info)) {
|
|
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
return FALSE;
|
|
|
|
}
|
2023-02-15 17:34:27 +00:00
|
|
|
|
|
|
|
/* Ensure queue_draw get executed and internal display size get initialized.
|
|
|
|
* This does not happen otherwise as we don't draw in the widget
|
|
|
|
*/
|
|
|
|
gtk_gst_base_widget_queue_draw (GTK_GST_BASE_WIDGET (priv->gtk_widget));
|
|
|
|
|
2021-12-08 08:30:21 +00:00
|
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
|
|
|
|
priv->use_dmabuf = use_dmabuf;
|
2023-02-16 18:54:42 +00:00
|
|
|
/* Will be used to create buffer pools */
|
|
|
|
gst_caps_replace (&priv->caps, caps);
|
2021-12-08 08:30:21 +00:00
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
invalid_format:
|
|
|
|
{
|
|
|
|
GST_ERROR_OBJECT (self,
|
|
|
|
"Could not locate image format from caps %" GST_PTR_FORMAT, caps);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
unsupported_format:
|
|
|
|
{
|
|
|
|
GST_ERROR_OBJECT (self, "Format %s is not available on the display",
|
|
|
|
gst_video_format_to_string (format));
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_gtk_wayland_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (bsink);
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GstCaps *caps;
|
|
|
|
GstBufferPool *pool = NULL;
|
|
|
|
gboolean need_pool;
|
|
|
|
GstAllocator *alloc;
|
|
|
|
|
|
|
|
gst_query_parse_allocation (query, &caps, &need_pool);
|
|
|
|
|
2023-02-16 18:54:42 +00:00
|
|
|
if (need_pool) {
|
|
|
|
GstStructure *config;
|
|
|
|
pool = gst_wl_video_buffer_pool_new ();
|
|
|
|
config = gst_buffer_pool_get_config (pool);
|
|
|
|
gst_buffer_pool_config_set_allocator (config,
|
|
|
|
gst_wl_shm_allocator_get (), NULL);
|
|
|
|
gst_buffer_pool_set_config (pool, config);
|
|
|
|
}
|
2021-12-08 08:30:21 +00:00
|
|
|
|
|
|
|
gst_query_add_allocation_pool (query, pool, priv->video_info.size, 2, 0);
|
|
|
|
if (pool)
|
|
|
|
g_object_unref (pool);
|
|
|
|
|
|
|
|
alloc = gst_wl_shm_allocator_get ();
|
|
|
|
gst_query_add_allocation_param (query, alloc, NULL);
|
|
|
|
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
|
|
|
|
g_object_unref (alloc);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
frame_redraw_callback (void *data, struct wl_callback *callback, uint32_t time)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = data;
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
|
|
|
|
GST_LOG_OBJECT (self, "frame_redraw_cb");
|
|
|
|
|
|
|
|
g_mutex_lock (&priv->render_lock);
|
|
|
|
priv->redraw_pending = FALSE;
|
|
|
|
|
|
|
|
if (priv->callback) {
|
|
|
|
wl_callback_destroy (callback);
|
|
|
|
priv->callback = NULL;
|
|
|
|
}
|
|
|
|
g_mutex_unlock (&priv->render_lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct wl_callback_listener frame_callback_listener = {
|
|
|
|
frame_redraw_callback
|
|
|
|
};
|
|
|
|
|
|
|
|
/* must be called with the render lock */
|
|
|
|
static void
|
|
|
|
render_last_buffer (GstGtkWaylandSink * self, gboolean redraw)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GstWlBuffer *wlbuffer;
|
|
|
|
const GstVideoInfo *info = NULL;
|
|
|
|
struct wl_surface *surface;
|
|
|
|
struct wl_callback *callback;
|
|
|
|
|
|
|
|
wlbuffer = gst_buffer_get_wl_buffer (priv->display, priv->last_buffer);
|
|
|
|
surface = gst_wl_window_get_wl_surface (priv->wl_window);
|
|
|
|
|
|
|
|
priv->redraw_pending = TRUE;
|
|
|
|
callback = wl_surface_frame (surface);
|
|
|
|
priv->callback = callback;
|
|
|
|
wl_callback_add_listener (callback, &frame_callback_listener, self);
|
|
|
|
|
|
|
|
if (G_UNLIKELY (priv->video_info_changed && !redraw)) {
|
|
|
|
info = &priv->video_info;
|
|
|
|
priv->video_info_changed = FALSE;
|
|
|
|
}
|
|
|
|
gst_wl_window_render (priv->wl_window, wlbuffer, info);
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstFlowReturn
|
|
|
|
gst_gtk_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (vsink);
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GstBuffer *to_render;
|
|
|
|
GstWlBuffer *wlbuffer;
|
|
|
|
GstVideoFormat format;
|
|
|
|
GstMemory *mem;
|
|
|
|
struct wl_buffer *wbuf = NULL;
|
|
|
|
|
|
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
|
|
|
|
g_mutex_lock (&priv->render_lock);
|
|
|
|
|
|
|
|
GST_LOG_OBJECT (self, "render buffer %" GST_PTR_FORMAT "", buffer);
|
|
|
|
|
|
|
|
if (!priv->wl_window) {
|
|
|
|
GST_LOG_OBJECT (self,
|
|
|
|
"buffer %" GST_PTR_FORMAT " dropped (waiting for window)", buffer);
|
2023-02-15 18:11:36 +00:00
|
|
|
ret = GST_BASE_SINK_FLOW_DROPPED;
|
2021-12-08 08:30:21 +00:00
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* drop buffers until we get a frame callback */
|
|
|
|
if (priv->redraw_pending) {
|
|
|
|
GST_LOG_OBJECT (self, "buffer %" GST_PTR_FORMAT " dropped (redraw pending)",
|
|
|
|
buffer);
|
2023-02-15 18:11:36 +00:00
|
|
|
ret = GST_BASE_SINK_FLOW_DROPPED;
|
2021-12-08 08:30:21 +00:00
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* make sure that the application has called set_render_rectangle() */
|
|
|
|
if (G_UNLIKELY (gst_wl_window_get_render_rectangle (priv->wl_window)->w == 0))
|
|
|
|
goto no_window_size;
|
|
|
|
|
|
|
|
wlbuffer = gst_buffer_get_wl_buffer (priv->display, buffer);
|
|
|
|
|
|
|
|
if (G_LIKELY (wlbuffer &&
|
|
|
|
gst_wl_buffer_get_display (wlbuffer) == priv->display)) {
|
|
|
|
GST_LOG_OBJECT (self,
|
|
|
|
"buffer %" GST_PTR_FORMAT " has a wl_buffer from our display, "
|
|
|
|
"writing directly", buffer);
|
|
|
|
to_render = buffer;
|
|
|
|
goto render;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* update video info from video meta */
|
|
|
|
mem = gst_buffer_peek_memory (buffer, 0);
|
|
|
|
|
|
|
|
GST_LOG_OBJECT (self,
|
|
|
|
"buffer %" GST_PTR_FORMAT " does not have a wl_buffer from our "
|
|
|
|
"display, creating it", buffer);
|
|
|
|
|
2023-02-17 02:12:08 +00:00
|
|
|
format = GST_VIDEO_INFO_FORMAT (&priv->video_info);
|
2021-12-08 08:30:21 +00:00
|
|
|
if (gst_wl_display_check_format_for_dmabuf (priv->display, format)) {
|
|
|
|
guint i, nb_dmabuf = 0;
|
|
|
|
|
|
|
|
for (i = 0; i < gst_buffer_n_memory (buffer); i++)
|
|
|
|
if (gst_is_dmabuf_memory (gst_buffer_peek_memory (buffer, i)))
|
|
|
|
nb_dmabuf++;
|
|
|
|
|
|
|
|
if (nb_dmabuf && (nb_dmabuf == gst_buffer_n_memory (buffer)))
|
|
|
|
wbuf = gst_wl_linux_dmabuf_construct_wl_buffer (buffer, priv->display,
|
2023-02-17 02:12:08 +00:00
|
|
|
&priv->video_info);
|
2021-12-08 08:30:21 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (!wbuf && gst_wl_display_check_format_for_shm (priv->display, format)) {
|
|
|
|
if (gst_buffer_n_memory (buffer) == 1 && gst_is_fd_memory (mem))
|
|
|
|
wbuf = gst_wl_shm_memory_construct_wl_buffer (mem, priv->display,
|
2023-02-17 02:12:08 +00:00
|
|
|
&priv->video_info);
|
2021-12-08 08:30:21 +00:00
|
|
|
|
|
|
|
/* If nothing worked, copy into our internal pool */
|
|
|
|
if (!wbuf) {
|
|
|
|
GstVideoFrame src, dst;
|
|
|
|
|
|
|
|
/* we don't know how to create a wl_buffer directly from the provided
|
|
|
|
* memory, so we have to copy the data to shm memory that we know how
|
|
|
|
* to handle... */
|
|
|
|
|
|
|
|
GST_LOG_OBJECT (self,
|
|
|
|
"buffer %" GST_PTR_FORMAT " cannot have a wl_buffer, "
|
|
|
|
"copying to wl_shm memory", buffer);
|
|
|
|
|
|
|
|
|
2023-02-16 18:54:42 +00:00
|
|
|
/* ensure the internal pool is configured for SHM */
|
|
|
|
if (!gst_gtk_wayland_activate_shm_pool (self))
|
|
|
|
goto activate_failed;
|
2021-12-08 08:30:21 +00:00
|
|
|
|
|
|
|
ret = gst_buffer_pool_acquire_buffer (priv->pool, &to_render, NULL);
|
|
|
|
if (ret != GST_FLOW_OK)
|
|
|
|
goto no_buffer;
|
|
|
|
|
|
|
|
wlbuffer = gst_buffer_get_wl_buffer (priv->display, to_render);
|
|
|
|
|
|
|
|
/* attach a wl_buffer if there isn't one yet */
|
|
|
|
if (G_UNLIKELY (!wlbuffer)) {
|
|
|
|
mem = gst_buffer_peek_memory (to_render, 0);
|
|
|
|
wbuf = gst_wl_shm_memory_construct_wl_buffer (mem, priv->display,
|
|
|
|
&priv->video_info);
|
|
|
|
|
|
|
|
if (G_UNLIKELY (!wbuf))
|
|
|
|
goto no_wl_buffer_shm;
|
|
|
|
|
|
|
|
wlbuffer = gst_buffer_add_wl_buffer (to_render, wbuf, priv->display);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!gst_video_frame_map (&dst, &priv->video_info, to_render,
|
|
|
|
GST_MAP_WRITE))
|
|
|
|
goto dst_map_failed;
|
|
|
|
|
2023-02-17 02:12:08 +00:00
|
|
|
if (!gst_video_frame_map (&src, &priv->video_info, buffer, GST_MAP_READ)) {
|
2021-12-08 08:30:21 +00:00
|
|
|
gst_video_frame_unmap (&dst);
|
|
|
|
goto src_map_failed;
|
|
|
|
}
|
|
|
|
|
|
|
|
gst_video_frame_copy (&dst, &src);
|
|
|
|
|
|
|
|
gst_video_frame_unmap (&src);
|
|
|
|
gst_video_frame_unmap (&dst);
|
|
|
|
|
|
|
|
goto render;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!wbuf)
|
|
|
|
goto no_wl_buffer;
|
|
|
|
|
|
|
|
wlbuffer = gst_buffer_add_wl_buffer (buffer, wbuf, priv->display);
|
|
|
|
to_render = buffer;
|
|
|
|
|
|
|
|
render:
|
|
|
|
/* drop double rendering */
|
|
|
|
if (G_UNLIKELY (wlbuffer ==
|
|
|
|
gst_buffer_get_wl_buffer (priv->display, priv->last_buffer))) {
|
|
|
|
GST_LOG_OBJECT (self, "Buffer already being rendered");
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
gst_buffer_replace (&priv->last_buffer, to_render);
|
|
|
|
render_last_buffer (self, FALSE);
|
|
|
|
|
|
|
|
if (buffer != to_render)
|
|
|
|
gst_buffer_unref (to_render);
|
|
|
|
goto done;
|
|
|
|
|
|
|
|
no_window_size:
|
|
|
|
{
|
|
|
|
GST_ELEMENT_ERROR (self, RESOURCE, WRITE,
|
|
|
|
("Window has no size set"),
|
|
|
|
("Make sure you set the size after calling set_window_handle"));
|
|
|
|
ret = GST_FLOW_ERROR;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
no_buffer:
|
|
|
|
{
|
|
|
|
GST_WARNING_OBJECT (self, "could not create buffer");
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
no_wl_buffer_shm:
|
|
|
|
{
|
|
|
|
GST_ERROR_OBJECT (self, "could not create wl_buffer out of wl_shm memory");
|
|
|
|
ret = GST_FLOW_ERROR;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
no_wl_buffer:
|
|
|
|
{
|
|
|
|
GST_ERROR_OBJECT (self,
|
|
|
|
"buffer %" GST_PTR_FORMAT " cannot have a wl_buffer", buffer);
|
|
|
|
ret = GST_FLOW_ERROR;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
activate_failed:
|
|
|
|
{
|
|
|
|
GST_ERROR_OBJECT (self, "failed to activate bufferpool.");
|
|
|
|
ret = GST_FLOW_ERROR;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
src_map_failed:
|
|
|
|
{
|
|
|
|
GST_ELEMENT_ERROR (self, RESOURCE, READ,
|
|
|
|
("Video memory can not be read from userspace."), (NULL));
|
|
|
|
ret = GST_FLOW_ERROR;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
dst_map_failed:
|
|
|
|
{
|
|
|
|
GST_ELEMENT_ERROR (self, RESOURCE, WRITE,
|
|
|
|
("Video memory can not be written from userspace."), (NULL));
|
|
|
|
ret = GST_FLOW_ERROR;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
done:
|
|
|
|
{
|
|
|
|
g_mutex_unlock (&priv->render_lock);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_gtk_wayland_sink_set_rotate_method (GstGtkWaylandSink * self,
|
|
|
|
GstVideoOrientationMethod method, gboolean from_tag)
|
|
|
|
{
|
|
|
|
GstGtkWaylandSinkPrivate *priv =
|
|
|
|
gst_gtk_wayland_sink_get_instance_private (self);
|
|
|
|
GstVideoOrientationMethod new_method;
|
|
|
|
|
|
|
|
if (method == GST_VIDEO_ORIENTATION_CUSTOM) {
|
|
|
|
GST_WARNING_OBJECT (self, "unsupported custom orientation");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
|
|
if (from_tag)
|
|
|
|
priv->tag_rotate_method = method;
|
|
|
|
else
|
|
|
|
priv->sink_rotate_method = method;
|
|
|
|
|
|
|
|
if (priv->sink_rotate_method == GST_VIDEO_ORIENTATION_AUTO)
|
|
|
|
new_method = priv->tag_rotate_method;
|
|
|
|
else
|
|
|
|
new_method = priv->sink_rotate_method;
|
|
|
|
|
|
|
|
if (new_method != priv->current_rotate_method) {
|
|
|
|
GST_DEBUG_OBJECT (priv, "Changing method from %d to %d",
|
|
|
|
priv->current_rotate_method, new_method);
|
|
|
|
|
|
|
|
if (priv->wl_window) {
|
|
|
|
g_mutex_lock (&priv->render_lock);
|
|
|
|
gst_wl_window_set_rotate_method (priv->wl_window, new_method);
|
|
|
|
g_mutex_unlock (&priv->render_lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->current_rotate_method = new_method;
|
|
|
|
}
|
|
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
}
|