我无法在GtkWidget中正确插入视频。告诉我,我做错了什么?视频将在新窗口中打开,而不是在我发送的视频中。视频应该在后台的那个窗口中打开。
Libvlc库以相同的方式显示,也许问题出现在操作系统中,我在Ubuntu 17.10上写作
#include <iostream>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <gdk/gdkx.h>
using namespace std;
GstElement *pipeline, *src, *sink, *b;
int main(int argc, char *argv[]) {
cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!!
GtkWidget *window;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
//gtk_container_border_width (GTK_CONTAINER (window), 10);
GdkColor color;
gdk_color_parse ("black", &color);
gtk_widget_modify_bg ( window, GTK_STATE_NORMAL, &color);
gtk_window_fullscreen((GtkWindow*)window);
std::string path = std::string("file:///home/stas/eclipse-workspace/TestGTK/0.mp4");
gst_init (&argc, &argv);
src = gst_element_factory_make ("videotestsrc", NULL);
sink = gst_element_factory_make ("gtksink", NULL);
b = gst_element_factory_make("playbin", "playbin");
g_object_set(b, "uri", path.c_str());
gst_bin_add_many (GST_BIN (b), src, sink, NULL);
gst_element_link (src, sink);
GtkWidget *area;
g_object_get (sink, "widget", &area, NULL);
gtk_container_add (GTK_CONTAINER (window), area);
gtk_widget_realize(area);
gtk_widget_show_all (window);
gst_element_set_state (b, GST_STATE_PLAYING);
gtk_widget_show (window);
gtk_main ();
return 0;
}