gstcaps.c

gnash 在pc和嵌入式下开发需要的源码

    fail_unless (GST_VALUE_HOLDS_FRACTION_RANGE (framerate_value));

    val_fps = gst_value_get_fraction_range_min (framerate_value);
    gst_value_set_fraction (&test_fps, 1, 100);
    fail_unless (gst_value_compare (&test_fps, val_fps) == GST_VALUE_EQUAL);

    val_fps = gst_value_get_fraction_range_max (framerate_value);
    gst_value_set_fraction (&test_fps, 100, 1);
    fail_unless (gst_value_compare (&test_fps, val_fps) == GST_VALUE_EQUAL);

    g_value_unset (&test_fps);

    width_value = gst_structure_get_value (s2, "width");
    fail_unless (width_value != NULL);
    fail_unless (GST_VALUE_HOLDS_INT_RANGE (width_value));
    min_width = gst_value_get_int_range_min (width_value);
    max_width = gst_value_get_int_range_max (width_value);
    fail_unless (min_width == 16 && max_width == 4096);

    height_value = gst_structure_get_value (s2, "height");
    fail_unless (height_value != NULL);
    fail_unless (GST_VALUE_HOLDS_INT_RANGE (height_value));
    min_height = gst_value_get_int_range_min (height_value);
    max_height = gst_value_get_int_range_max (height_value);
    fail_unless (min_height == 16 && max_height == 4096);
  }

  gst_caps_unref (caps);
}

GST_END_TEST;

GST_START_TEST (test_truncate)
{
  GstCaps *caps;

  caps = gst_caps_from_string (non_simple_caps_string);
  fail_unless (caps != NULL,
      "gst_caps_from_string (non_simple_caps_string) failed");
  fail_unless_equals_int (gst_caps_get_size (caps), 4);
  gst_caps_truncate (caps);
  fail_unless_equals_int (gst_caps_get_size (caps), 1);
  gst_caps_unref (caps);
}

GST_END_TEST;

GST_START_TEST (test_merge_fundamental)
{
  GstCaps *c1, *c2;

  /* ANY + specific = ANY */
  c1 = gst_caps_from_string ("audio/x-raw-int,rate=44100");
  c2 = gst_caps_new_any ();
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 0, NULL);
  fail_unless (gst_caps_is_any (c2), NULL);
  gst_caps_unref (c2);

  /* specific + ANY = ANY */
  c2 = gst_caps_from_string ("audio/x-raw-int,rate=44100");
  c1 = gst_caps_new_any ();
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 0, NULL);
  fail_unless (gst_caps_is_any (c2), NULL);
  gst_caps_unref (c2);

  /* EMPTY + specific = specific */
  c1 = gst_caps_from_string ("audio/x-raw-int,rate=44100");
  c2 = gst_caps_new_empty ();
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 1, NULL);
  fail_if (gst_caps_is_empty (c2), NULL);
  gst_caps_unref (c2);

  /* specific + EMPTY = specific */
  c2 = gst_caps_from_string ("audio/x-raw-int,rate=44100");
  c1 = gst_caps_new_empty ();
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 1, NULL);
  fail_if (gst_caps_is_empty (c2), NULL);
  gst_caps_unref (c2);
}

GST_END_TEST;

GST_START_TEST (test_merge_same)
{
  GstCaps *c1, *c2;

  /* this is the same */
  c1 = gst_caps_from_string ("audio/x-raw-int,rate=44100,channels=1");
  c2 = gst_caps_from_string ("audio/x-raw-int,rate=44100,channels=1");
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 1, NULL);
  gst_caps_unref (c2);

  /* and so is this */
  c1 = gst_caps_from_string ("audio/x-raw-int,rate=44100,channels=1");
  c2 = gst_caps_from_string ("audio/x-raw-int,channels=1,rate=44100");
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 1, NULL);
  gst_caps_unref (c2);

  c1 = gst_caps_from_string ("video/x-foo, data=(buffer)AA");
  c2 = gst_caps_from_string ("video/x-foo, data=(buffer)AABB");
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 2, NULL);
  gst_caps_unref (c2);

  c1 = gst_caps_from_string ("video/x-foo, data=(buffer)AABB");
  c2 = gst_caps_from_string ("video/x-foo, data=(buffer)AA");
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 2, NULL);
  gst_caps_unref (c2);

  c1 = gst_caps_from_string ("video/x-foo, data=(buffer)AA");
  c2 = gst_caps_from_string ("video/x-foo, data=(buffer)AA");
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 1, NULL);
  gst_caps_unref (c2);

  c1 = gst_caps_from_string ("video/x-foo, data=(buffer)AA");
  c2 = gst_caps_from_string ("video/x-bar, data=(buffer)AA");
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 2, NULL);
  gst_caps_unref (c2);
}

GST_END_TEST;

GST_START_TEST (test_merge_subset)
{
  GstCaps *c1, *c2;

  /* the 2nd is already covered */
  c2 = gst_caps_from_string ("audio/x-raw-int,channels=[1,2]");
  c1 = gst_caps_from_string ("audio/x-raw-int,channels=1");
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 1, NULL);
  gst_caps_unref (c2);

  /* here it is not */
  c2 = gst_caps_from_string ("audio/x-raw-int,channels=1,rate=44100");
  c1 = gst_caps_from_string ("audio/x-raw-int,channels=[1,2],rate=44100");
  gst_caps_merge (c2, c1);
  GST_DEBUG ("merged: (%d) %" GST_PTR_FORMAT, gst_caps_get_size (c2), c2);
  fail_unless (gst_caps_get_size (c2) == 2, NULL);

  gst_caps_unref (c2);
}

GST_END_TEST;

GST_START_TEST (test_intersect)
{
  GstStructure *s;
  GstCaps *c1, *c2, *ci1, *ci2;

  /* field not specified = any value possible, so the intersection
   * should keep fields which are only part of one set of caps */
  c2 = gst_caps_from_string ("video/x-raw-yuv,format=(fourcc)I420,width=20");
  c1 = gst_caps_from_string ("video/x-raw-yuv,format=(fourcc)I420");

  ci1 = gst_caps_intersect (c2, c1);
  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci1);
  fail_unless (gst_caps_get_size (ci1) == 1, NULL);
  s = gst_caps_get_structure (ci1, 0);
  fail_unless (gst_structure_has_name (s, "video/x-raw-yuv"));
  fail_unless (gst_structure_get_value (s, "format") != NULL);
  fail_unless (gst_structure_get_value (s, "width") != NULL);

  /* with changed order */
  ci2 = gst_caps_intersect (c1, c2);
  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci2);
  fail_unless (gst_caps_get_size (ci2) == 1, NULL);
  s = gst_caps_get_structure (ci2, 0);
  fail_unless (gst_structure_has_name (s, "video/x-raw-yuv"));
  fail_unless (gst_structure_get_value (s, "format") != NULL);
  fail_unless (gst_structure_get_value (s, "width") != NULL);

  fail_unless (gst_caps_is_equal (ci1, ci2));

  gst_caps_unref (ci1);
  gst_caps_unref (ci2);

  gst_caps_unref (c1);
  gst_caps_unref (c2);

  /* ========== */

  c2 = gst_caps_from_string ("video/x-raw-yuv,format=(fourcc)I420,width=20");
  c1 = gst_caps_from_string ("video/x-raw-yuv,format=(fourcc)I420,width=30");

  ci1 = gst_caps_intersect (c2, c1);
  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci1);
  fail_unless (gst_caps_is_empty (ci1), NULL);

  /* with changed order */
  ci2 = gst_caps_intersect (c1, c2);
  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci2);
  fail_unless (gst_caps_is_empty (ci2), NULL);

  fail_unless (gst_caps_is_equal (ci1, ci2));

  gst_caps_unref (ci1);
  gst_caps_unref (ci2);

  gst_caps_unref (c1);
  gst_caps_unref (c2);

  /* ========== */

  c2 = gst_caps_from_string ("video/x-raw-yuv,format=(fourcc)I420,width=20");
  c1 = gst_caps_from_string ("video/x-raw-rgb,format=(fourcc)I420,width=20");

  ci1 = gst_caps_intersect (c2, c1);
  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci1);
  fail_unless (gst_caps_is_empty (ci1), NULL);

  /* with changed order */
  ci2 = gst_caps_intersect (c1, c2);
  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci2);
  fail_unless (gst_caps_is_empty (ci2), NULL);

  fail_unless (gst_caps_is_equal (ci1, ci2));

  gst_caps_unref (ci1);
  gst_caps_unref (ci2);

  gst_caps_unref (c1);
  gst_caps_unref (c2);

  /* ========== */

  c2 = gst_caps_from_string ("video/x-raw-yuv,format=(fourcc)I420,width=20");
  c1 = gst_caps_from_string ("video/x-raw-yuv,format=(fourcc)I420,height=30");

  ci1 = gst_caps_intersect (c2, c1);
  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci1);
  fail_unless (gst_caps_get_size (ci1) == 1, NULL);
  s = gst_caps_get_structure (ci1, 0);
  fail_unless (gst_structure_has_name (s, "video/x-raw-yuv"));
  fail_unless (gst_structure_get_value (s, "format") != NULL);
  fail_unless (gst_structure_get_value (s, "width") != NULL);
  fail_unless (gst_structure_get_value (s, "height") != NULL);

  /* with changed order */
  ci2 = gst_caps_intersect (c1, c2);
  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci2);
  fail_unless (gst_caps_get_size (ci2) == 1, NULL);
  s = gst_caps_get_structure (ci2, 0);
  fail_unless (gst_structure_has_name (s, "video/x-raw-yuv"));
  fail_unless (gst_structure_get_value (s, "format") != NULL);
  fail_unless (gst_structure_get_value (s, "height") != NULL);
  fail_unless (gst_structure_get_value (s, "width") != NULL);

  fail_unless (gst_caps_is_equal (ci1, ci2));

  gst_caps_unref (ci1);
  gst_caps_unref (ci2);

  gst_caps_unref (c1);
  gst_caps_unref (c2);
}

GST_END_TEST;

Suite *
gst_caps_suite (void)
{
  Suite *s = suite_create ("GstCaps");
  TCase *tc_chain = tcase_create ("mutability");

  suite_add_tcase (s, tc_chain);
  tcase_add_test (tc_chain, test_from_string);
  tcase_add_test (tc_chain, test_double_append);
  tcase_add_test (tc_chain, test_mutability);
  tcase_add_test (tc_chain, test_buffer);
  tcase_add_test (tc_chain, test_static_caps);
  tcase_add_test (tc_chain, test_simplify);
  tcase_add_test (tc_chain, test_truncate);
  tcase_add_test (tc_chain, test_merge_fundamental);
  tcase_add_test (tc_chain, test_merge_same);
  tcase_add_test (tc_chain, test_merge_subset);
  tcase_add_test (tc_chain, test_intersect);

  return s;
}

GST_CHECK_MAIN (gst_caps);