C++ (Cpp) GST_GL_WINDOW_CLASS Examples

Example #1

File: gstglwindow_wayland_egl.c Project: GrokImageCompression/gst-plugins-bad

static gboolean
gst_gl_window_wayland_egl_open (GstGLWindow * window, GError ** error)
{
  GstGLDisplayWayland *display;
  GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);

  if (!GST_IS_GL_DISPLAY_WAYLAND (window->display)) {
    g_set_error (error, GST_GL_WINDOW_ERROR,
        GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
        "Failed to retrieve Wayland display (wrong type?)");
    return FALSE;
  }
  display = GST_GL_DISPLAY_WAYLAND (window->display);

  if (!display->display) {
    g_set_error (error, GST_GL_WINDOW_ERROR,
        GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
        "Failed to retrieve Wayland display");
    return FALSE;
  }

  window_egl->window.queue = wl_display_create_queue (display->display);

  window_egl->wl_source = wayland_event_source_new (display->display,
      window_egl->window.queue);

  if (!GST_GL_WINDOW_CLASS (parent_class)->open (window, error))
    return FALSE;

  g_source_attach (window_egl->wl_source, g_main_context_get_thread_default ());

  return TRUE;
}

Example #2

File: gstglwindow_wayland_egl.c Project: GrokImageCompression/gst-plugins-bad

static void
gst_gl_window_wayland_egl_close (GstGLWindow * window)
{
  GstGLWindowWaylandEGL *window_egl;

  window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);

  destroy_surfaces (window_egl);

  g_source_destroy (window_egl->wl_source);
  g_source_unref (window_egl->wl_source);
  window_egl->wl_source = NULL;

  GST_GL_WINDOW_CLASS (parent_class)->close (window);
}

Example #3

File: gstglwindow_win32.c Project: ikonst/gst-plugins-bad

gboolean
gst_gl_window_win32_open (GstGLWindow * window, GError ** error)
{
  GstGLWindowWin32 *window_win32 = GST_GL_WINDOW_WIN32 (window);

  if (!GST_GL_WINDOW_CLASS (parent_class)->open (window, error))
    return FALSE;

  window_win32->msg_source = win32_message_source_new (window_win32);
  g_source_set_callback (window_win32->msg_source, (GSourceFunc) msg_cb,
      NULL, NULL);
  g_source_attach (window_win32->msg_source,
      g_main_context_get_thread_default ());

  return TRUE;
}

Example #4

File: gstglwindow_dispmanx_egl.c Project: GrokImageCompression/gst-plugins-bad

static void
gst_gl_window_dispmanx_egl_close (GstGLWindow * window)
{
  GstGLWindowDispmanxEGL *window_egl;
  DISPMANX_UPDATE_HANDLE_T dispman_update;

  window_egl = GST_GL_WINDOW_DISPMANX_EGL (window);

  if (window_egl->native.element && window_egl->native.element != window_egl->foreign.element) {
    dispman_update = vc_dispmanx_update_start (0);
    vc_dispmanx_element_remove (dispman_update, window_egl->native.element);
    vc_dispmanx_update_submit_sync (dispman_update);
  }
  vc_dispmanx_display_close (window_egl->display);

  GST_GL_WINDOW_CLASS (parent_class)->close (window);
}

Example #5

File: gstglwindow_dispmanx_egl.c Project: GrokImageCompression/gst-plugins-bad

static gboolean
gst_gl_window_dispmanx_egl_open (GstGLWindow * window, GError ** error)
{
  GstGLWindowDispmanxEGL *window_egl = GST_GL_WINDOW_DISPMANX_EGL (window);
  gint ret = graphics_get_display_size (0, &window_egl->dp_width,
      &window_egl->dp_height);
  if (ret < 0) {
    g_set_error (error, GST_GL_WINDOW_ERROR,
        GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE, "Can't open display");
    return FALSE;
  }
  GST_DEBUG ("Got display size: %dx%d\n", window_egl->dp_width,
      window_egl->dp_height);

  window_egl->native.element = 0;

  return GST_GL_WINDOW_CLASS (parent_class)->open (window, error);
}

Example #6

File: gstglwindow_win32.c Project: ikonst/gst-plugins-bad

void
gst_gl_window_win32_close (GstGLWindow * window)
{
  GstGLWindowWin32 *window_win32 = GST_GL_WINDOW_WIN32 (window);

  release_parent_win_id (window_win32);

  if (window_win32->internal_win_id) {
    RemoveProp (window_win32->internal_win_id, "gl_window");
    if (!DestroyWindow (window_win32->internal_win_id))
      GST_WARNING ("failed to destroy window %" G_GUINTPTR_FORMAT
          ", 0x%x", (guintptr) window_win32->internal_win_id,
          (unsigned int) GetLastError ());
  }

  g_source_destroy (window_win32->msg_source);
  g_source_unref (window_win32->msg_source);
  window_win32->msg_source = NULL;

  GST_GL_WINDOW_CLASS (parent_class)->close (window);
}