Ejemplos de gst_compare_meta en C++ (Cpp)

Ejemplo n.º 1

Archivo: gstcompare.c Proyecto: 0p1pp1/gst-plugins-bad

static void
gst_compare_buffers (GstCompare * comp, GstBuffer * buf1, GstCaps * caps1,
    GstBuffer * buf2, GstCaps * caps2)
{
  gdouble delta = 0;
  gsize size1, size2;

  /* first check metadata */
  gst_compare_meta (comp, buf1, caps1, buf2, caps2);

  size1 = gst_buffer_get_size (buf1);
  size2 = gst_buffer_get_size (buf1);

  /* check content according to method */
  /* but at least size should match */
  if (size1 != size2) {
    delta = comp->threshold + 1;
  } else {
    GstMapInfo map1, map2;

    gst_buffer_map (buf1, &map1, GST_MAP_READ);
    gst_buffer_map (buf2, &map2, GST_MAP_READ);
    GST_MEMDUMP_OBJECT (comp, "buffer 1", map1.data, map2.size);
    GST_MEMDUMP_OBJECT (comp, "buffer 2", map2.data, map2.size);
    gst_buffer_unmap (buf1, &map1);
    gst_buffer_unmap (buf2, &map2);
    switch (comp->method) {
      case GST_COMPARE_METHOD_MEM:
        delta = gst_compare_mem (comp, buf1, caps1, buf2, caps2);
        break;
      case GST_COMPARE_METHOD_MAX:
        delta = gst_compare_max (comp, buf1, caps1, buf2, caps2);
        break;
      case GST_COMPARE_METHOD_SSIM:
        delta = gst_compare_ssim (comp, buf1, caps1, buf2, caps2);
        break;
      default:
        g_assert_not_reached ();
        break;
    }
  }

  if ((comp->upper && delta > comp->threshold) ||
      (!comp->upper && delta < comp->threshold)) {
    GST_WARNING_OBJECT (comp, "buffers %p and %p failed content match %f",
        buf1, buf2, delta);

    gst_element_post_message (GST_ELEMENT (comp),
        gst_message_new_element (GST_OBJECT (comp),
            gst_structure_new ("delta", "content", G_TYPE_DOUBLE, delta,
                NULL)));
  }
}

Ejemplo n.º 2

Archivo: gstcompare.c Proyecto: kanongil/gst-plugins-bad

static void
gst_compare_buffers (GstCompare * comp, GstBuffer * buf1, GstBuffer * buf2)
{
  gdouble delta = 0;

  /* first check metadata */
  gst_compare_meta (comp, buf1, buf2);

  /* check content according to method */
  /* but at least size should match */
  if (GST_BUFFER_SIZE (buf1) != GST_BUFFER_SIZE (buf2)) {
    delta = comp->threshold + 1;
  } else {
    GST_MEMDUMP_OBJECT (comp, "buffer 1", GST_BUFFER_DATA (buf1),
        GST_BUFFER_SIZE (buf1));
    GST_MEMDUMP_OBJECT (comp, "buffer 2", GST_BUFFER_DATA (buf2),
        GST_BUFFER_SIZE (buf2));
    switch (comp->method) {
      case GST_COMPARE_METHOD_MEM:
        delta = gst_compare_mem (comp, buf1, buf2);
        break;
      case GST_COMPARE_METHOD_MAX:
        delta = gst_compare_max (comp, buf1, buf2);
        break;
      case GST_COMPARE_METHOD_SSIM:
        delta = gst_compare_ssim (comp, buf1, buf2);
        break;
      default:
        g_assert_not_reached ();
        break;
    }
  }

  if ((comp->upper && delta > comp->threshold) ||
      (!comp->upper && delta < comp->threshold)) {
    GST_WARNING_OBJECT (comp, "buffers %p and %p failed content match %f",
        buf1, buf2, delta);

    gst_element_post_message (GST_ELEMENT (comp),
        gst_message_new_element (GST_OBJECT (comp),
            gst_structure_new ("delta", "content", G_TYPE_DOUBLE, delta,
                NULL)));
  }
}