C++ (Cpp) gst_structure_id_set_value примеры использования

Пример #1

static void
gst_tag_list_add_value_internal (GstStructure * list, GstTagMergeMode mode,
    GQuark tag, const GValue * value)
{
  GstTagInfo *info = gst_tag_lookup (tag);
  const GValue *value2;

  g_assert (info != NULL);

  if (info->merge_func
      && (value2 = gst_structure_id_get_value (list, tag)) != NULL) {
    GValue dest = { 0, };

    switch (mode) {
      case GST_TAG_MERGE_REPLACE_ALL:
      case GST_TAG_MERGE_REPLACE:
        gst_structure_id_set_value (list, tag, value);
        break;
      case GST_TAG_MERGE_PREPEND:
        gst_value_list_concat (&dest, value, value2);
        gst_structure_id_set_value (list, tag, &dest);
        g_value_unset (&dest);
        break;
      case GST_TAG_MERGE_APPEND:
        gst_value_list_concat (&dest, value2, value);
        gst_structure_id_set_value (list, tag, &dest);
        g_value_unset (&dest);
        break;
      case GST_TAG_MERGE_KEEP:
      case GST_TAG_MERGE_KEEP_ALL:
        break;
      default:
        g_assert_not_reached ();
        break;
    }
  } else {
    switch (mode) {
      case GST_TAG_MERGE_APPEND:
      case GST_TAG_MERGE_KEEP:
        if (gst_structure_id_get_value (list, tag) != NULL)
          break;
        /* fall through */
      case GST_TAG_MERGE_REPLACE_ALL:
      case GST_TAG_MERGE_REPLACE:
      case GST_TAG_MERGE_PREPEND:
        gst_structure_id_set_value (list, tag, value);
        break;
      case GST_TAG_MERGE_KEEP_ALL:
        break;
      default:
        g_assert_not_reached ();
        break;
    }
  }
}

Пример #2

Файл: gstcapsfilter.c Проект: kuailexs/symbiandump-mw1

static gboolean
copy_func (GQuark field_id, const GValue * value, GstStructure * dest)
{
  gst_structure_id_set_value (dest, field_id, value);

  return TRUE;
}

Пример #3

Файл: gstrtpbasepayload.c Проект: PeterXu/gst-mobile

static gboolean
copy_fixed (GQuark field_id, const GValue * value, GstStructure * dest)
{
  if (gst_value_is_fixed (value)) {
    gst_structure_id_set_value (dest, field_id, value);
  }
  return TRUE;
}

Пример #4

Файл: kmsserializablemeta.c Проект: DavidYangfei/kms-core

gboolean
add_fields_to_structure (GQuark field_id, const GValue * value, gpointer st)
{
  GstStructure *data = GST_STRUCTURE (st);

  gst_structure_id_set_value (data, field_id, value);

  return TRUE;
}

Пример #5

Файл: gstwrappercamerabinsrc.c Проект: MathieuDuponchelle/gst-plugins-bad

static gboolean
copy_missing_fields (GQuark field_id, const GValue * value, gpointer user_data)
{
  GstStructure *st = (GstStructure *) user_data;
  const GValue *val = gst_structure_id_get_value (st, field_id);

  if (G_UNLIKELY (val == NULL)) {
    gst_structure_id_set_value (st, field_id, value);
  }

  return TRUE;
}