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marker-list: made deserialize reverse of serialize

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Changed deserialize method to actually reverse the serialize method by
removing the edge quote marks and reversing g_strescape.

See https://gitlab.freedesktop.org/gstreamer/gstreamer/issues/452

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/123>
This commit is contained in:
Henry Wilkes 2019-10-18 23:23:10 +01:00 committed by GStreamer Merge Bot
parent 0d95d9258b
commit a33a3b145d
2 changed files with 103 additions and 4 deletions
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24
ges/ges-marker-list.c
View file

@ -395,8 +395,28 @@ ges_marker_list_deserialize (GValue * dest, const gchar * s)
GstCaps *caps = NULL;
GESMarkerList *list = ges_marker_list_new ();
guint i, l;
gsize len;
gchar *escaped, *caps_str;
caps = gst_caps_from_string (s);
len = strlen (s);
if (G_UNLIKELY (*s != '"' || len < 2 || s[len - 1] != '"')) {
/* "\"" is not an accepted string, so len must be at least 2 */
GST_ERROR ("Failed deserializing marker list: expected string to start "
"and end with '\"'");
goto done;
}
escaped = g_strdup (s + 1);
escaped[len - 2] = '\0';
/* removed trailing '"' */
caps_str = g_strcompress (escaped);
g_free (escaped);
caps = gst_caps_from_string (caps_str);
g_free (caps_str);
if (G_UNLIKELY (caps == NULL)) {
GST_ERROR ("Failed deserializing marker list: could not extract caps");
goto done;
}
l = gst_caps_get_size (caps);
if (l == 0) {
@ -405,7 +425,7 @@ ges_marker_list_deserialize (GValue * dest, const gchar * s)
goto done;
}
if (l % 2) {
if (G_UNLIKELY (l % 2)) {
GST_ERROR ("Failed deserializing marker list: expected evenly-sized caps");
goto done;
}

83
tests/check/ges/markerlist.c
View file

@ -284,7 +284,7 @@ GST_START_TEST (test_move_marker)
GST_END_TEST;
GST_START_TEST (test_serialize_deserialize)
GST_START_TEST (test_serialize_deserialize_in_timeline)
{
GESMarkerList *markerlist1, *markerlist2;
gchar *metas1, *metas2;
@ -343,6 +343,84 @@ GST_START_TEST (test_serialize_deserialize)
GST_END_TEST;
GST_START_TEST (test_serialize_deserialize_in_value)
{
GESMarkerList *markerlist1, *markerlist2;
GESMarker *marker;
gchar *serialized, *cmp;
const gchar *str_val;
guint uint_val;
const gchar *test_string = "test \" string";
GList *markers;
guint64 position;
GValue val1 = G_VALUE_INIT, val2 = G_VALUE_INIT;
ges_init ();
g_value_init (&val1, GES_TYPE_MARKER_LIST);
g_value_init (&val2, GES_TYPE_MARKER_LIST);
markerlist1 = ges_marker_list_new ();
marker = ges_marker_list_add (markerlist1, 0);
fail_unless (ges_meta_container_set_string (GES_META_CONTAINER (marker),
"str-val", test_string));
marker = ges_marker_list_add (markerlist1, 10);
fail_unless (ges_meta_container_set_string (GES_META_CONTAINER (marker),
"first", test_string));
fail_unless (ges_meta_container_set_uint (GES_META_CONTAINER (marker),
"second", 43));
ASSERT_OBJECT_REFCOUNT (markerlist1, "local ref", 1);
g_value_set_instance (&val1, markerlist1);
ASSERT_OBJECT_REFCOUNT (markerlist1, "GValue + local ref", 2);
serialized = gst_value_serialize (&val1);
fail_unless (serialized != NULL);
GST_DEBUG ("serialized to %s", serialized);
fail_unless (gst_value_deserialize (&val2, serialized));
cmp = gst_value_serialize (&val2);
fail_unless_equals_string (cmp, serialized);
markerlist2 = GES_MARKER_LIST (g_value_get_object (&val2));
ASSERT_OBJECT_REFCOUNT (markerlist2, "GValue", 1);
fail_unless_equals_int (ges_marker_list_size (markerlist2), 2);
markers = ges_marker_list_get_markers (markerlist2);
marker = GES_MARKER (markers->data);
fail_unless (marker != NULL);
g_object_get (marker, "position", &position, NULL);
fail_unless_equals_uint64 (position, 0);
str_val =
ges_meta_container_get_string (GES_META_CONTAINER (marker), "str-val");
fail_unless_equals_string (str_val, test_string);
marker = GES_MARKER (markers->next->data);
fail_unless (marker != NULL);
fail_unless (markers->next->next == NULL);
g_object_get (marker, "position", &position, NULL);
fail_unless_equals_uint64 (position, 10);
str_val =
ges_meta_container_get_string (GES_META_CONTAINER (marker), "first");
fail_unless_equals_string (str_val, test_string);
fail_unless (ges_meta_container_get_uint (GES_META_CONTAINER (marker),
"second", &uint_val));
fail_unless_equals_int (uint_val, 43);
g_list_free_full (markers, g_object_unref);
g_value_unset (&val1);
g_value_unset (&val2);
ASSERT_OBJECT_REFCOUNT (markerlist1, "local ref", 1);
g_object_unref (markerlist1);
g_free (serialized);
g_free (cmp);
ges_deinit ();
}
GST_END_TEST;
GST_START_TEST (test_marker_color)
{
@ -391,7 +469,8 @@ ges_suite (void)
tcase_add_test (tc_chain, test_signal_marker_moved);
tcase_add_test (tc_chain, test_get_markers);
tcase_add_test (tc_chain, test_move_marker);
tcase_add_test (tc_chain, test_serialize_deserialize);
tcase_add_test (tc_chain, test_serialize_deserialize_in_timeline);
tcase_add_test (tc_chain, test_serialize_deserialize_in_value);
tcase_add_test (tc_chain, test_marker_color);
return s;