static gboolean
check_bin (KmsTreeBin * tree_bin, const GstCaps * caps)
{
gboolean ret = FALSE;
GstElement *output_tee = kms_tree_bin_get_output_tee (tree_bin);
GstPad *tee_sink = gst_element_get_static_pad (output_tee, "sink");
GstCaps *current_caps = kms_tree_bin_get_input_caps (tree_bin);
if (current_caps == NULL) {
current_caps = gst_pad_get_allowed_caps (tee_sink);
GST_TRACE_OBJECT (tree_bin, "Allowed caps are: %" GST_PTR_FORMAT,
current_caps);
} else {
GST_TRACE_OBJECT (tree_bin, "Current caps are: %" GST_PTR_FORMAT,
current_caps);
}
if (current_caps != NULL) {
//TODO: Remove this when problem in negotiation with features will be
//resolved
GstCaps *caps_without_features = gst_caps_make_writable (current_caps);
gst_caps_set_features (caps_without_features, 0,
gst_caps_features_new_empty ());
if (gst_caps_can_intersect (caps, caps_without_features)) {
ret = TRUE;
}
gst_caps_unref (caps_without_features);
}
g_object_unref (tee_sink);
return ret;
}
/**
* gst_caps_features_new_any:
*
* Creates a new, ANY #GstCapsFeatures. This will be equal
* to any other #GstCapsFeatures but caps with these are
* unfixed.
*
* Free-function: gst_caps_features_free
*
* Returns: (transfer full): a new, ANY #GstCapsFeatures
*
* Since: 1.2
*/
GstCapsFeatures *
gst_caps_features_new_any (void)
{
GstCapsFeatures *features;
features = gst_caps_features_new_empty ();
features->is_any = TRUE;
return features;
}
/**
* gst_caps_features_copy:
* @features: a #GstCapsFeatures to duplicate
*
* Duplicates a #GstCapsFeatures and all its values.
*
* Free-function: gst_caps_features_free
*
* Returns: (transfer full): a new #GstCapsFeatures.
*
* Since: 1.2
*/
GstCapsFeatures *
gst_caps_features_copy (const GstCapsFeatures * features)
{
GstCapsFeatures *copy;
guint i, n;
g_return_val_if_fail (features != NULL, NULL);
copy = gst_caps_features_new_empty ();
n = gst_caps_features_get_size (features);
for (i = 0; i < n; i++)
gst_caps_features_add_id (copy, gst_caps_features_get_nth_id (features, i));
copy->is_any = features->is_any;
return copy;
}
/**
* gst_caps_features_new_id_valist:
* @feature1: name of first feature to set
* @varargs: variable argument list
*
* Creates a new #GstCapsFeatures with the given features.
*
* Free-function: gst_caps_features_free
*
* Returns: (transfer full): a new, empty #GstCapsFeatures
*
* Since: 1.2
*/
GstCapsFeatures *
gst_caps_features_new_id_valist (GQuark feature1, va_list varargs)
{
GstCapsFeatures *features;
g_return_val_if_fail (feature1 != 0, NULL);
features = gst_caps_features_new_empty ();
while (feature1) {
gst_caps_features_add_id (features, feature1);
feature1 = va_arg (varargs, GQuark);
}
return features;
}
/**
* gst_caps_features_new_valist:
* @feature1: name of first feature to set
* @varargs: variable argument list
*
* Creates a new #GstCapsFeatures with the given features.
*
* Free-function: gst_caps_features_free
*
* Returns: (transfer full): a new, empty #GstCapsFeatures
*
* Since: 1.2
*/
GstCapsFeatures *
gst_caps_features_new_valist (const gchar * feature1, va_list varargs)
{
GstCapsFeatures *features;
g_return_val_if_fail (feature1 != NULL, NULL);
features = gst_caps_features_new_empty ();
while (feature1) {
gst_caps_features_add (features, feature1);
feature1 = va_arg (varargs, const gchar *);
}
return features;
}
/**
* gst_caps_features_from_string:
* @features: a string representation of a #GstCapsFeatures.
*
* Creates a #GstCapsFeatures from a string representation.
*
* Free-function: gst_caps_features_free
*
* Returns: (transfer full): a new #GstCapsFeatures or NULL when the string could
* not be parsed. Free with gst_caps_features_free() after use.
*
* Since: 1.2
*/
GstCapsFeatures *
gst_caps_features_from_string (const gchar * features)
{
GstCapsFeatures *ret;
gboolean escape = FALSE;
const gchar *features_orig = features;
const gchar *feature;
ret = gst_caps_features_new_empty ();
if (!features || *features == '\0')
return ret;
if (strcmp (features, "ANY") == 0) {
ret->is_any = TRUE;
return ret;
}
/* Skip trailing spaces */
while (*features == ' ')
features++;
feature = features;
while (TRUE) {
gchar c = *features;
if (c == '\\') {
escape = TRUE;
features++;
continue;
} else if ((!escape && c == ',') || c == '\0') {
guint len = features - feature + 1;
gchar *tmp;
gchar *p;
if (len == 1) {
g_warning ("Failed deserialize caps features '%s'", features_orig);
gst_caps_features_free (ret);
return NULL;
}
tmp = g_malloc (len);
memcpy (tmp, feature, len - 1);
tmp[len - 1] = '\0';
p = tmp + len - 1;
while (*p == ' ') {
*p = '\0';
p--;
}
if (strstr (tmp, " ") != NULL || *tmp == '\0') {
g_free (tmp);
g_warning ("Failed deserialize caps features '%s'", features_orig);
gst_caps_features_free (ret);
return NULL;
}
gst_caps_features_add (ret, tmp);
g_free (tmp);
if (c == '\0')
break;
/* Skip to the next value */
features++;
while (*features == ' ')
features++;
feature = features;
} else {
escape = FALSE;
features++;
}
}
return ret;
}
