C++ (Cpp) gst_gl_window_is_running Examples

Example #1

File: gstglimagesink.c Project: freedesktop-unofficial-mirror/gstreamer__attic__gst-plugins-gl

static gboolean
gst_glimage_sink_redisplay (GstGLImageSink * gl_sink)
{
  GstGLWindow *window;
  gboolean alive;

  window = gst_gl_context_get_window (gl_sink->context);

  if (window && gst_gl_window_is_running (window)) {

#if GST_GL_HAVE_GLES2
    if (USING_GLES2 (gl_sink->context)) {
      if (!gl_sink->redisplay_shader) {
        gst_gl_window_send_message (window,
            GST_GL_WINDOW_CB (gst_glimage_sink_thread_init_redisplay), gl_sink);
      }
    }
#endif

    /* Drawing is asynchrone: gst_gl_window_draw is not blocking
     * It means that it does not wait for stuff being executed in other threads
     */
    gst_gl_window_draw (window, GST_VIDEO_SINK_WIDTH (gl_sink),
        GST_VIDEO_SINK_HEIGHT (gl_sink));
  }
  alive = gst_gl_window_is_running (window);
  gst_object_unref (window);

  return alive;
}

Example #2

File: gstglcontext.c Project: ndufresne/gst-plugins-bad

/**
 * gst_gl_context_set_window:
 * @context: a #GstGLContext
 * @window: (transfer full): a #GstGLWindow
 *
 * Set's the current window on @context to @window.  The window can only be
 * changed before gst_gl_context_create() has been called and the @window is not
 * already running.
 *
 * Returns: Whether the window was successfully updated
 *
 * Since: 1.4
 */
gboolean
gst_gl_context_set_window (GstGLContext * context, GstGLWindow * window)
{
  g_return_val_if_fail (!GST_IS_GL_WRAPPED_CONTEXT (context), FALSE);

  GST_DEBUG_OBJECT (context, "window:%" GST_PTR_FORMAT, window);

  /* we can't change the window while we are running */
  if (context->priv->alive)
    return FALSE;

  if (window) {
    if (gst_gl_window_is_running (window))
      return FALSE;

    g_weak_ref_set (&window->context_ref, context);
  }

  if (context->window)
    gst_object_unref (context->window);

  context->window = window ? gst_object_ref (window) : NULL;

  return TRUE;
}

Example #3

File: gstglimagesink.c Project: asdlei00/gst-plugins-bad

static gboolean
gst_glimage_sink_redisplay (GstGLImageSink * gl_sink)
{
  GstGLWindow *window;
  gboolean alive;

  window = gst_gl_context_get_window (gl_sink->context);
  if (!window)
    return FALSE;

  if (gst_gl_window_is_running (window)) {

#if GST_GL_HAVE_GLES2
    if (USING_GLES2 (gl_sink->context)) {
      if (G_UNLIKELY (!gl_sink->redisplay_shader)) {
        gst_gl_window_send_message (window,
            GST_GL_WINDOW_CB (gst_glimage_sink_thread_init_redisplay), gl_sink);

        /* if the shader is still null it means it failed to be useable */
        if (G_UNLIKELY (!gl_sink->redisplay_shader)) {
          gst_object_unref (window);
          return FALSE;
        }
      }
    }
#endif

    /* Drawing is asynchronous: gst_gl_window_draw is not blocking
     * It means that it does not wait for stuff to be executed in other threads
     */
    gst_gl_window_draw (window, GST_VIDEO_SINK_WIDTH (gl_sink),
        GST_VIDEO_SINK_HEIGHT (gl_sink));
  }
  alive = gst_gl_window_is_running (window);
  gst_object_unref (window);

  return alive;
}