+++ /dev/null
-/*
- * empathy-gst-gtk-widget.c - Source for EmpathyVideoWidget
- * Copyright (C) 2008 Collabora Ltd.
- * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <gdk/gdkx.h>
-#include <gst/interfaces/xoverlay.h>
-#include <farstream/fs-element-added-notifier.h>
-
-#include "empathy-video-widget.h"
-
-G_DEFINE_TYPE(EmpathyVideoWidget, empathy_video_widget,
- GTK_TYPE_DRAWING_AREA)
-
-static void empathy_video_widget_element_added_cb (
- FsElementAddedNotifier *notifier, GstBin *bin, GstElement *element,
- EmpathyVideoWidget *self);
-
-static void empathy_video_widget_sync_message_cb (
- GstBus *bus, GstMessage *message, EmpathyVideoWidget *self);
-
-/* signal enum */
-#if 0
-enum
-{
- LAST_SIGNAL
-};
-
-static guint signals[LAST_SIGNAL] = {0};
-#endif
-
-enum {
- PROP_GST_ELEMENT = 1,
- PROP_GST_BUS,
- PROP_MIN_WIDTH,
- PROP_MIN_HEIGHT,
- PROP_SYNC,
- PROP_ASYNC,
- PROP_FLIP_VIDEO,
-};
-
-/* private structure */
-typedef struct _EmpathyVideoWidgetPriv EmpathyVideoWidgetPriv;
-
-struct _EmpathyVideoWidgetPriv
-{
- gboolean dispose_has_run;
- GstBus *bus;
- GstElement *videosink;
- GstPad *sink_pad;
- GstElement *overlay;
- GstElement *flip;
- FsElementAddedNotifier *notifier;
- gint min_width;
- gint min_height;
- gboolean sync;
- gboolean async;
- gboolean flip_video;
- guintptr xid;
-
- GMutex lock;
-};
-
-#define GET_PRIV(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
- EMPATHY_TYPE_VIDEO_WIDGET, EmpathyVideoWidgetPriv))
-
-static void
-empathy_video_widget_init (EmpathyVideoWidget *obj)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (obj);
- GdkRGBA black;
-
- g_mutex_init (&priv->lock);
-
- priv->notifier = fs_element_added_notifier_new ();
- g_signal_connect (priv->notifier, "element-added",
- G_CALLBACK (empathy_video_widget_element_added_cb),
- obj);
-
- if (gdk_rgba_parse (&black, "Black"))
- gtk_widget_override_background_color (GTK_WIDGET (obj), 0, &black);
-
- gtk_widget_set_double_buffered (GTK_WIDGET (obj), FALSE);
-}
-
-static void
-empathy_video_widget_realized (GtkWidget *widget, gpointer user_data)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (widget);
-
- /* requesting the XID forces the GdkWindow to be native in GTK+ 2.18
- * onwards, requesting the native window in a thread causes a BadWindowID,
- * so we need to request it now. We could call gdk_window_ensure_native(),
- * but that would mean we require GTK+ 2.18, so instead we call this */
- priv->xid = GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (widget)));
-}
-
-static void
-empathy_video_widget_constructed (GObject *object)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (object);
- GstElement *colorspace, *videoscale, *sink;
- GstPad *pad;
-
- g_signal_connect (object, "realize",
- G_CALLBACK (empathy_video_widget_realized), NULL);
-
- priv->videosink = gst_bin_new (NULL);
-
- gst_object_ref_sink (priv->videosink);
- gst_object_sink (priv->videosink);
-
- sink = gst_element_factory_make ("gconfvideosink", NULL);
- g_assert (sink != NULL);
-
- videoscale = gst_element_factory_make ("videoscale", NULL);
- g_assert (videoscale != NULL);
-
- g_object_set (videoscale, "qos", FALSE, NULL);
-
- colorspace = gst_element_factory_make ("ffmpegcolorspace", NULL);
- g_assert (colorspace != NULL);
-
- g_object_set (colorspace, "qos", FALSE, NULL);
-
- priv->flip = gst_element_factory_make ("videoflip", NULL);
- g_assert (priv->flip != NULL);
-
- gst_bin_add_many (GST_BIN (priv->videosink), colorspace, videoscale,
- priv->flip, sink, NULL);
-
- if (!gst_element_link (colorspace, videoscale))
- g_error ("Failed to link ffmpegcolorspace and videoscale");
-
- if (!gst_element_link (videoscale, priv->flip))
- g_error ("Failed to link videoscale and videoflip");
-
- if (!gst_element_link (priv->flip, sink))
- g_error ("Failed to link videoflip and gconfvideosink");
-
- pad = gst_element_get_static_pad (colorspace, "sink");
- g_assert (pad != NULL);
-
- priv->sink_pad = gst_ghost_pad_new ("sink", pad);
- if (!gst_element_add_pad (priv->videosink, priv->sink_pad))
- g_error ("Couldn't add sink ghostpad to the bin");
-
- gst_object_unref (pad);
-
- fs_element_added_notifier_add (priv->notifier, GST_BIN (priv->videosink));
- gst_bus_enable_sync_message_emission (priv->bus);
-
- g_signal_connect (priv->bus, "sync-message",
- G_CALLBACK (empathy_video_widget_sync_message_cb), object);
-
- gtk_widget_set_size_request (GTK_WIDGET (object), priv->min_width,
- priv->min_height);
-}
-
-static void empathy_video_widget_dispose (GObject *object);
-static void empathy_video_widget_finalize (GObject *object);
-
-
-static gboolean empathy_video_widget_draw (GtkWidget *widget,
- cairo_t *cr);
-
-static void
-empathy_video_widget_element_set_sink_properties (EmpathyVideoWidget *self);
-
-static void
-empathy_video_widget_set_property (GObject *object,
- guint property_id, const GValue *value, GParamSpec *pspec)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (object);
-
- switch (property_id)
- {
- case PROP_GST_BUS:
- priv->bus = g_value_dup_object (value);
- break;
- case PROP_MIN_WIDTH:
- priv->min_width = g_value_get_int (value);
- break;
- case PROP_MIN_HEIGHT:
- priv->min_height = g_value_get_int (value);
- break;
- case PROP_SYNC:
- priv->sync = g_value_get_boolean (value);
- empathy_video_widget_element_set_sink_properties (
- EMPATHY_VIDEO_WIDGET (object));
- break;
- case PROP_ASYNC:
- priv->async = g_value_get_boolean (value);
- empathy_video_widget_element_set_sink_properties (
- EMPATHY_VIDEO_WIDGET (object));
- break;
- case PROP_FLIP_VIDEO:
- priv->flip_video = g_value_get_boolean (value);
- gst_util_set_object_arg (G_OBJECT (priv->flip), "method",
- priv->flip_video ? "horizontal-flip" : "none");
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
- }
-}
-
-static void
-empathy_video_widget_get_property (GObject *object,
- guint property_id, GValue *value, GParamSpec *pspec)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (object);
-
- switch (property_id)
- {
- case PROP_GST_ELEMENT:
- g_value_set_object (value, priv->videosink);
- break;
- case PROP_GST_BUS:
- g_value_set_object (value, priv->bus);
- break;
- case PROP_MIN_WIDTH:
- g_value_set_int (value, priv->min_width);
- break;
- case PROP_MIN_HEIGHT:
- g_value_set_int (value, priv->min_height);
- break;
- case PROP_SYNC:
- g_value_set_boolean (value, priv->sync);
- break;
- case PROP_ASYNC:
- g_value_set_boolean (value, priv->async);
- break;
- case PROP_FLIP_VIDEO:
- g_value_set_boolean (value, priv->flip_video);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
- }
-}
-
-
-static void
-empathy_video_widget_class_init (
- EmpathyVideoWidgetClass *empathy_video_widget_class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (empathy_video_widget_class);
- GtkWidgetClass *widget_class =
- GTK_WIDGET_CLASS (empathy_video_widget_class);
- GParamSpec *param_spec;
-
- g_type_class_add_private (empathy_video_widget_class,
- sizeof (EmpathyVideoWidgetPriv));
-
- object_class->dispose = empathy_video_widget_dispose;
- object_class->finalize = empathy_video_widget_finalize;
- object_class->constructed = empathy_video_widget_constructed;
-
- object_class->set_property = empathy_video_widget_set_property;
- object_class->get_property = empathy_video_widget_get_property;
-
- widget_class->draw = empathy_video_widget_draw;
-
- param_spec = g_param_spec_object ("gst-element",
- "gst-element", "The underlaying gstreamer element",
- GST_TYPE_ELEMENT,
- G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
- g_object_class_install_property (object_class, PROP_GST_ELEMENT, param_spec);
-
- param_spec = g_param_spec_object ("gst-bus",
- "gst-bus",
- "The toplevel bus from the pipeline in which this bin will be added",
- GST_TYPE_BUS,
- G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
- g_object_class_install_property (object_class, PROP_GST_BUS, param_spec);
-
- param_spec = g_param_spec_int ("min-width",
- "min-width",
- "Minimal width of the widget",
- 0, G_MAXINT, EMPATHY_VIDEO_WIDGET_DEFAULT_WIDTH,
- G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
- g_object_class_install_property (object_class, PROP_MIN_WIDTH, param_spec);
-
- param_spec = g_param_spec_int ("min-height",
- "min-height",
- "Minimal height of the widget",
- 0, G_MAXINT, EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT,
- G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
- g_object_class_install_property (object_class, PROP_MIN_HEIGHT, param_spec);
-
- param_spec = g_param_spec_boolean ("sync",
- "sync",
- "Whether the underlying sink should be sync or not",
- TRUE,
- G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
- g_object_class_install_property (object_class, PROP_SYNC, param_spec);
-
- param_spec = g_param_spec_boolean ("async",
- "async",
- "Whether the underlying sink should be async or not",
- TRUE,
- G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
- g_object_class_install_property (object_class, PROP_ASYNC, param_spec);
-
- param_spec = g_param_spec_boolean ("flip-video",
- "flip video",
- "Whether the video should be flipped horizontally or not",
- FALSE,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
- g_object_class_install_property (object_class, PROP_FLIP_VIDEO, param_spec);
-}
-
-void
-empathy_video_widget_dispose (GObject *object)
-{
- EmpathyVideoWidget *self = EMPATHY_VIDEO_WIDGET (object);
- EmpathyVideoWidgetPriv *priv = GET_PRIV (self);
-
- if (priv->dispose_has_run)
- return;
-
- priv->dispose_has_run = TRUE;
-
- g_signal_handlers_disconnect_by_func (priv->bus,
- empathy_video_widget_sync_message_cb, object);
-
- if (priv->bus != NULL)
- g_object_unref (priv->bus);
-
- priv->bus = NULL;
-
- if (priv->videosink != NULL)
- g_object_unref (priv->videosink);
-
- priv->videosink = NULL;
-
-
- /* release any references held by the object here */
-
- if (G_OBJECT_CLASS (empathy_video_widget_parent_class)->dispose)
- G_OBJECT_CLASS (empathy_video_widget_parent_class)->dispose (object);
-}
-
-void
-empathy_video_widget_finalize (GObject *object)
-{
- EmpathyVideoWidget *self = EMPATHY_VIDEO_WIDGET (object);
- EmpathyVideoWidgetPriv *priv = GET_PRIV (self);
-
- /* free any data held directly by the object here */
- g_mutex_clear (&priv->lock);
-
- G_OBJECT_CLASS (empathy_video_widget_parent_class)->finalize (object);
-}
-
-
-static void
-empathy_video_widget_element_set_sink_properties_unlocked (
- EmpathyVideoWidget *self)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (self);
-
- if (priv->overlay == NULL)
- return;
-
- if (g_object_class_find_property (G_OBJECT_GET_CLASS (priv->overlay),
- "force-aspect-ratio"))
- g_object_set (G_OBJECT (priv->overlay), "force-aspect-ratio", TRUE, NULL);
-
- if (g_object_class_find_property (
- G_OBJECT_GET_CLASS (priv->overlay), "sync"))
- g_object_set (G_OBJECT (priv->overlay), "sync", priv->sync, NULL);
-
- if (g_object_class_find_property (G_OBJECT_GET_CLASS (priv->overlay),
- "async"))
- g_object_set (G_OBJECT (priv->overlay), "async", priv->async, NULL);
-}
-
-static void
-empathy_video_widget_element_set_sink_properties (EmpathyVideoWidget *self)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (self);
-
- g_mutex_lock (&priv->lock);
- empathy_video_widget_element_set_sink_properties_unlocked (self);
- g_mutex_unlock (&priv->lock);
-}
-
-static void
-empathy_video_widget_element_added_cb (FsElementAddedNotifier *notifier,
- GstBin *bin, GstElement *element, EmpathyVideoWidget *self)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (self);
-
- /* We assume the overlay is the sink */
- g_mutex_lock (&priv->lock);
- if (priv->overlay == NULL && GST_IS_X_OVERLAY (element))
- {
- priv->overlay = element;
- g_object_add_weak_pointer (G_OBJECT (element),
- (gpointer) &priv->overlay);
- empathy_video_widget_element_set_sink_properties_unlocked (self);
- gst_x_overlay_expose (GST_X_OVERLAY (priv->overlay));
- }
- g_mutex_unlock (&priv->lock);
-}
-
-static void
-empathy_video_widget_sync_message_cb (GstBus *bus, GstMessage *message,
- EmpathyVideoWidget *self)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (self);
- const GstStructure *s;
-
- if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
- return;
-
- if (GST_MESSAGE_SRC (message) != (GstObject *) priv->overlay)
- return;
-
- s = gst_message_get_structure (message);
-
- if (gst_structure_has_name (s, "prepare-xwindow-id"))
- {
- g_assert (priv->xid != 0);
- gst_x_overlay_set_window_handle (GST_X_OVERLAY (priv->overlay),
- priv->xid);
- }
-}
-
-static gboolean
-empathy_video_widget_draw (GtkWidget *widget,
- cairo_t *cr)
-{
- EmpathyVideoWidget *self = EMPATHY_VIDEO_WIDGET (widget);
- EmpathyVideoWidgetPriv *priv = GET_PRIV (self);
- GtkAllocation allocation;
-
- if (priv->overlay == NULL)
- {
- gtk_widget_get_allocation (widget, &allocation);
-
- gtk_render_frame (gtk_widget_get_style_context (widget), cr,
- 0, 0,
- gtk_widget_get_allocated_width (widget),
- gtk_widget_get_allocated_height (widget));
- return TRUE;
- }
-
- gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (priv->overlay),
- GDK_WINDOW_XID (gtk_widget_get_window (widget)));
-
- gst_x_overlay_expose (GST_X_OVERLAY (priv->overlay));
-
- return TRUE;
-}
-
-GtkWidget *
-empathy_video_widget_new_with_size (GstBus *bus, gint width, gint height)
-{
- g_return_val_if_fail (bus != NULL, NULL);
-
- return GTK_WIDGET (g_object_new (EMPATHY_TYPE_VIDEO_WIDGET,
- "gst-bus", bus,
- "min-width", width,
- "min-height", height,
- NULL));
-}
-
-GtkWidget *
-empathy_video_widget_new (GstBus *bus)
-{
- g_return_val_if_fail (bus != NULL, NULL);
-
- return GTK_WIDGET (g_object_new (EMPATHY_TYPE_VIDEO_WIDGET,
- "gst-bus", bus,
- NULL));
-}
-
-GstPad *
-empathy_video_widget_get_sink (EmpathyVideoWidget *widget)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (widget);
-
- return priv->sink_pad;
-}
-
-GstElement *
-empathy_video_widget_get_element (EmpathyVideoWidget *widget)
-{
- EmpathyVideoWidgetPriv *priv = GET_PRIV (widget);
-
- return priv->videosink;
-}
projects / empathy.git / commitdiff