C++ (Cpp) GST_VAAPI_DISPLAY_GET_CLASS示例

示例#1

文件： gstvaapiwindow_egl.c 项目： GStreamer/gstreamer-vaapi

static gboolean
gst_vaapi_window_egl_create (GstVaapiWindowEGL * window,
    guint * width, guint * height)
{
  GstVaapiDisplayEGL *const display =
      GST_VAAPI_DISPLAY_EGL (GST_VAAPI_OBJECT_DISPLAY (window));
  const GstVaapiDisplayClass *const native_dpy_class =
      GST_VAAPI_DISPLAY_GET_CLASS (display->display);
  CreateObjectsArgs args;

  g_return_val_if_fail (native_dpy_class != NULL, FALSE);

  window->window =
      native_dpy_class->create_window (GST_VAAPI_DISPLAY (display->display),
      GST_VAAPI_ID_INVALID, *width, *height);
  if (!window->window)
    return FALSE;

  gst_vaapi_window_get_size (window->window, width, height);

  args.window = window;
  args.width = *width;
  args.height = *height;
  args.egl_context = GST_VAAPI_DISPLAY_EGL_CONTEXT (display);
  return egl_context_run (args.egl_context,
      (EglContextRunFunc) do_create_objects, &args) && args.success;
}

示例#2

文件： gstvaapidisplay_egl.c 项目： ceyusa/gstreamer-vaapi

static void
gst_vaapi_display_egl_flush (GstVaapiDisplay * base_display)
{
  GstVaapiDisplayEGL *display = GST_VAAPI_DISPLAY_EGL (base_display);
  GstVaapiDisplayClass *const klass =
      GST_VAAPI_DISPLAY_GET_CLASS (display->display);

  if (klass->flush)
    klass->flush (display->display);
}

示例#3

文件： gstvaapidisplay_egl.c 项目： ceyusa/gstreamer-vaapi

static void
gst_vaapi_display_egl_get_size_mm (GstVaapiDisplay * base_display,
    guint * width_ptr, guint * height_ptr)
{
  GstVaapiDisplayEGL *display = GST_VAAPI_DISPLAY_EGL (base_display);
  GstVaapiDisplayClass *const klass =
      GST_VAAPI_DISPLAY_GET_CLASS (display->display);

  if (klass->get_size_mm)
    klass->get_size_mm (display->display, width_ptr, height_ptr);
}

示例#4

文件： gstvaapidisplay_egl.c 项目： GStreamer/gstreamer-vaapi

static gboolean
gst_vaapi_display_egl_get_display_info (GstVaapiDisplay * base_display,
    GstVaapiDisplayInfo * info)
{
  GstVaapiDisplayEGL *display = GST_VAAPI_DISPLAY_EGL (base_display);
  GstVaapiDisplayClass *const klass =
      GST_VAAPI_DISPLAY_GET_CLASS (display->display);

  if (klass->get_display && !klass->get_display (display->display, info))
    return FALSE;
  return TRUE;
}