C++ (Cpp) gst_gl_window_get_surface_dimensions示例

示例#1

文件： gstglwindow_wayland_egl.c 项目： GrokImageCompression/gst-plugins-bad

static void
draw_cb (gpointer data)
{
  GstGLWindowWaylandEGL *window_egl = data;
  GstGLWindow *window = GST_GL_WINDOW (window_egl);
  GstGLContext *context = gst_gl_window_get_context (window);
  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);

  create_surfaces (window_egl);

  if (window_egl->window.subsurface)
    wl_subsurface_set_desync (window_egl->window.subsurface);

  if (window->queue_resize) {
    guint width, height;

    gst_gl_window_get_surface_dimensions (window, &width, &height);
    gst_gl_window_resize (window, width, height);
  }

  if (window->draw)
    window->draw (window->draw_data);

  context_class->swap_buffers (context);

  if (window_egl->window.subsurface)
    wl_subsurface_set_desync (window_egl->window.subsurface);

  gst_object_unref (context);
}

示例#2

文件： gstglimagesink.c 项目： asdlei00/gst-plugins-bad

static void
gst_glimage_sink_navigation_send_event (GstNavigation * navigation, GstStructure
    * structure)
{
  GstGLImageSink *sink = GST_GLIMAGE_SINK (navigation);
  GstEvent *event = NULL;
  GstPad *pad = NULL;
  GstGLWindow *window = gst_gl_context_get_window (sink->context);
  guint width, height;
  gdouble x, y, xscale, yscale;

  g_return_if_fail (GST_GL_IS_WINDOW (window));

  width = GST_VIDEO_SINK_WIDTH (sink);
  height = GST_VIDEO_SINK_HEIGHT (sink);
  gst_gl_window_get_surface_dimensions (window, &width, &height);

  event = gst_event_new_navigation (structure);

  pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (sink));
  /* Converting pointer coordinates to the non scaled geometry */
  if (width != GST_VIDEO_SINK_WIDTH (sink) &&
      width != 0 && gst_structure_get_double (structure, "pointer_x", &x)) {
    xscale = (gdouble) GST_VIDEO_SINK_WIDTH (sink) / width;
    gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
        (gdouble) x * xscale, NULL);
  }
  if (height != GST_VIDEO_SINK_HEIGHT (sink) &&
      height != 0 && gst_structure_get_double (structure, "pointer_y", &y)) {
    yscale = (gdouble) GST_VIDEO_SINK_HEIGHT (sink) / height;
    gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
        (gdouble) y * yscale, NULL);
  }


  if (GST_IS_PAD (pad) && GST_IS_EVENT (event))
    gst_pad_send_event (pad, event);

  gst_object_unref (pad);
  gst_object_unref (window);
}

示例#3

文件： gstglwindow.c 项目： luisbg/gst-plugins-bad

static void
draw_cb (gpointer data)
{
  GstGLWindow *window = GST_GL_WINDOW (data);
  GstGLContext *context = gst_gl_window_get_context (window);
  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);

  if (window->queue_resize) {
    guint width, height;

    gst_gl_window_get_surface_dimensions (window, &width, &height);
    gst_gl_window_resize (window, width, height);
  }

  if (window->draw)
    window->draw (window->draw_data);

  if (context_class->swap_buffers)
    context_class->swap_buffers (context);

  gst_object_unref (context);
}