C++ (Cpp) gst_vaapi_surface_pool_new_full Beispiele

Beispiel #1

Datei: gstvaapivideomemory.c Projekt: DarkLighters/gstreamer-vaapi

GstAllocator *
gst_vaapi_video_allocator_new (GstVaapiDisplay * display,
    const GstVideoInfo * vip, guint flags)
{
  GstVaapiVideoAllocator *allocator;

  g_return_val_if_fail (display != NULL, NULL);
  g_return_val_if_fail (vip != NULL, NULL);

  allocator = g_object_new (GST_VAAPI_TYPE_VIDEO_ALLOCATOR, NULL);
  if (!allocator)
    return NULL;

  allocator->video_info = *vip;

  allocator_configure_surface_info (display, allocator);
  allocator->surface_pool = gst_vaapi_surface_pool_new_full (display,
      &allocator->surface_info, flags);
  if (!allocator->surface_pool)
    goto error_create_surface_pool;

  allocator_configure_image_info (display, allocator);
  allocator->image_pool = gst_vaapi_image_pool_new (display,
      &allocator->image_info);
  if (!allocator->image_pool)
    goto error_create_image_pool;

  gst_allocator_set_vaapi_video_info (GST_ALLOCATOR_CAST (allocator),
      &allocator->image_info, 0);
  return GST_ALLOCATOR_CAST (allocator);

  /* ERRORS */
error_create_surface_pool:
  {
    GST_ERROR ("failed to allocate VA surface pool");
    gst_object_unref (allocator);
    return NULL;
  }
error_create_image_pool:
  {
    GST_ERROR ("failed to allocate VA image pool");
    gst_object_unref (allocator);
    return NULL;
  }
}

Beispiel #2

Datei: simple-encoder.c Projekt: GStreamer/gstreamer-vaapi

static int
app_run (App * app)
{
  GstVaapiImage *image;
  GstVaapiVideoPool *pool;
  GThread *buffer_thread;
  gsize id;
  int ret = EXIT_FAILURE;

  image = gst_vaapi_image_new (app->display, GST_VIDEO_FORMAT_I420,
      app->parser->width, app->parser->height);

  {
    GstVideoInfo vi;
    gst_video_info_set_format (&vi, GST_VIDEO_FORMAT_ENCODED,
        app->parser->width, app->parser->height);
    pool = gst_vaapi_surface_pool_new_full (app->display, &vi, 0);
  }

  buffer_thread = g_thread_new ("get buffer thread", get_buffer_thread, app);

  while (1) {
    GstVaapiSurfaceProxy *proxy;
    GstVaapiSurface *surface;

    if (!load_frame (app, image))
      break;

    if (!gst_vaapi_image_unmap (image))
      break;

    proxy =
        gst_vaapi_surface_proxy_new_from_pool (GST_VAAPI_SURFACE_POOL (pool));
    if (!proxy) {
      g_warning ("Could not get surface proxy from pool.");
      break;
    }
    surface = gst_vaapi_surface_proxy_get_surface (proxy);
    if (!surface) {
      g_warning ("Could not get surface from proxy.");
      break;
    }

    if (!gst_vaapi_surface_put_image (surface, image)) {
      g_warning ("Could not update surface");
      break;
    }

    if (!upload_frame (app->encoder, proxy)) {
      g_warning ("put frame failed");
      break;
    }

    app->read_frames++;
    id = gst_vaapi_surface_get_id (surface);
    g_debug ("input frame %d, surface id = %" G_GSIZE_FORMAT, app->read_frames,
        id);

    gst_vaapi_surface_proxy_unref (proxy);
  }

  app->input_stopped = TRUE;

  g_thread_join (buffer_thread);

  if (!app->encode_failed && feof (app->parser->fp))
    ret = EXIT_SUCCESS;

  gst_vaapi_video_pool_replace (&pool, NULL);
  gst_vaapi_object_unref (image);
  return ret;
}