void AudioDestinationGStreamer::finishBuildingPipelineAfterWavParserPadReady(GstPad* pad)
{
ASSERT(m_wavParserAvailable);
GRefPtr<GstElement> audioSink = gst_element_factory_make("autoaudiosink", 0);
m_audioSinkAvailable = audioSink;
if (!audioSink) {
LOG_ERROR("Failed to create GStreamer autoaudiosink element");
return;
}
// Autoaudiosink does the real sink detection in the GST_STATE_NULL->READY transition
// so it's best to roll it to READY as soon as possible to ensure the underlying platform
// audiosink was loaded correctly.
GstStateChangeReturn stateChangeReturn = gst_element_set_state(audioSink.get(), GST_STATE_READY);
if (stateChangeReturn == GST_STATE_CHANGE_FAILURE) {
LOG_ERROR("Failed to change autoaudiosink element state");
gst_element_set_state(audioSink.get(), GST_STATE_NULL);
m_audioSinkAvailable = false;
return;
}
GstElement* audioConvert = gst_element_factory_make("audioconvert", 0);
gst_bin_add_many(GST_BIN(m_pipeline), audioConvert, audioSink.get(), NULL);
// Link wavparse's src pad to audioconvert sink pad.
GRefPtr<GstPad> sinkPad = adoptGRef(gst_element_get_static_pad(audioConvert, "sink"));
gst_pad_link_full(pad, sinkPad.get(), GST_PAD_LINK_CHECK_NOTHING);
// Link audioconvert to audiosink and roll states.
gst_element_link_pads_full(audioConvert, "src", audioSink.get(), "sink", GST_PAD_LINK_CHECK_NOTHING);
gst_element_sync_state_with_parent(audioConvert);
gst_element_sync_state_with_parent(audioSink.leakRef());
}
static GdkPixbuf* getIconPixbufSynchronously(WebKitFaviconDatabase* database, const String& pageURL, const IntSize& iconSize)
{
ASSERT(isMainThread());
// The exact size we pass is irrelevant to the iconDatabase code.
// We must pass something greater than 0x0 to get a pixbuf.
Image* icon = iconDatabase().synchronousIconForPageURL(pageURL, !iconSize.isZero() ? iconSize : IntSize(1, 1));
if (!icon)
return 0;
GRefPtr<GdkPixbuf> pixbuf = adoptGRef(icon->getGdkPixbuf());
if (!pixbuf)
return 0;
// A size of (0, 0) means the maximum available size.
if (!iconSize.isZero() && (icon->width() != iconSize.width() || icon->height() != iconSize.height()))
pixbuf = gdk_pixbuf_scale_simple(pixbuf.get(), iconSize.width(), iconSize.height(), GDK_INTERP_BILINEAR);
return pixbuf.leakRef();
}
void webkitContextMenuItemSetSubMenuFromGtkMenu(WebKitContextMenuItem* item, GtkMenu* subMenu)
{
if (!subMenu)
return;
GOwnPtr<GList> children(gtk_container_get_children(GTK_CONTAINER(subMenu)));
if (!g_list_length(children.get()))
return;
webkitContextMenuItemSetSubMenu(item, adoptGRef(webkit_context_menu_new()));
for (GList* listItem = children.get(); listItem; listItem = g_list_next(listItem)) {
GRefPtr<GtkWidget> widget = GTK_WIDGET(listItem->data);
if (!GTK_IS_MENU_ITEM(widget.get()))
continue;
gtk_container_remove(GTK_CONTAINER(subMenu), widget.get());
GtkMenuItem* menuItem = GTK_MENU_ITEM(widget.leakRef());
g_object_force_floating(G_OBJECT(menuItem));
webkit_context_menu_append(item->priv->subMenu.get(), webkitContextMenuItemCreateForGtkItem(menuItem));
}
}
static GdkPixbuf* getIconPixbufSynchronously(WebKitFaviconDatabase* database, const String& pageURL, const IntSize& iconSize)
{
ASSERT(isMainThread());
// The exact size we pass is irrelevant to the iconDatabase code.
// We must pass something greater than 0x0 to get a pixbuf.
RefPtr<cairo_surface_t> surface = iconDatabase().synchronousNativeIconForPageURL(pageURL, !iconSize.isZero() ? iconSize : IntSize(1, 1));
if (!surface)
return 0;
GRefPtr<GdkPixbuf> pixbuf = adoptGRef(cairoSurfaceToGdkPixbuf(surface.get()));
if (!pixbuf)
return 0;
// A size of (0, 0) means the maximum available size.
int pixbufWidth = gdk_pixbuf_get_width(pixbuf.get());
int pixbufHeight = gdk_pixbuf_get_height(pixbuf.get());
if (!iconSize.isZero() && (pixbufWidth != iconSize.width() || pixbufHeight != iconSize.height()))
pixbuf = adoptGRef(gdk_pixbuf_scale_simple(pixbuf.get(), iconSize.width(), iconSize.height(), GDK_INTERP_BILINEAR));
return pixbuf.leakRef();
}