static GstCaps * _set_caps_features_with_passthrough (const GstCaps * caps, const gchar * feature_name, GstCapsFeatures * passthrough) { guint i, j, m, n; GstCaps *tmp; tmp = gst_caps_new_empty (); n = gst_caps_get_size (caps); for (i = 0; i < n; i++) { GstCapsFeatures *features, *orig_features; GstStructure *s = gst_caps_get_structure (caps, i); orig_features = gst_caps_get_features (caps, i); features = gst_caps_features_new (feature_name, NULL); if (gst_caps_features_is_any (orig_features)) { /* if we have any features, we add both the features with and without @passthrough */ gst_caps_append_structure_full (tmp, gst_structure_copy (s), gst_caps_features_copy (features)); m = gst_caps_features_get_size (passthrough); for (j = 0; j < m; j++) { const gchar *feature = gst_caps_features_get_nth (passthrough, j); /* if we already have the features */ if (gst_caps_features_contains (features, feature)) continue; gst_caps_features_add (features, feature); } } else { m = gst_caps_features_get_size (orig_features); for (j = 0; j < m; j++) { const gchar *feature = gst_caps_features_get_nth (orig_features, j); /* if we already have the features */ if (gst_caps_features_contains (features, feature)) continue; if (g_strcmp0 (feature, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY) == 0) continue; if (gst_caps_features_contains (passthrough, feature)) { gst_caps_features_add (features, feature); } } } gst_caps_append_structure_full (tmp, gst_structure_copy (s), features); } return tmp; }
static GstCaps * gst_gl_mixer_set_caps_features (const GstCaps * caps, const gchar * feature_name) { GstCaps *tmp = gst_caps_copy (caps); guint n = gst_caps_get_size (tmp); guint i = 0; for (i = 0; i < n; i++) { GstCapsFeatures *features = gst_caps_get_features (tmp, i); if (features) { guint n_f = gst_caps_features_get_size (features); guint j = 0; for (j = 0; j < n_f; j++) { gst_caps_features_remove_id (features, gst_caps_features_get_nth_id (features, j)); } } gst_caps_features_add (features, feature_name); gst_caps_set_simple (tmp, "format", G_TYPE_STRING, "RGBA", NULL); } return tmp; }
/** * 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; }
static GstCaps * _set_caps_features_with_passthrough (const GstCaps * caps, const gchar * feature_name, GstCapsFeatures * passthrough) { guint i, j, m, n; GstCaps *tmp; tmp = gst_caps_copy (caps); n = gst_caps_get_size (caps); for (i = 0; i < n; i++) { GstCapsFeatures *features, *orig_features; orig_features = gst_caps_get_features (caps, i); features = gst_caps_features_new (feature_name, NULL); m = gst_caps_features_get_size (orig_features); for (j = 0; j < m; j++) { const gchar *feature = gst_caps_features_get_nth (orig_features, j); /* if we already have the features */ if (gst_caps_features_contains (features, feature)) continue; if (g_strcmp0 (feature, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY) == 0) continue; if (passthrough && gst_caps_features_contains (passthrough, feature)) { gst_caps_features_add (features, feature); } } gst_caps_set_features (tmp, i, features); } return tmp; }
GstCaps * gst_gl_caps_replace_all_caps_features (const GstCaps * caps, const gchar * feature_name) { GstCaps *tmp = gst_caps_copy (caps); guint n = gst_caps_get_size (tmp); guint i = 0; for (i = 0; i < n; i++) { GstCapsFeatures *features = gst_caps_get_features (tmp, i); if (features) { guint n_f = gst_caps_features_get_size (features); guint j = 0; for (j = 0; j < n_f; j++) { gst_caps_features_remove_id (features, gst_caps_features_get_nth_id (features, j)); } } gst_caps_features_add (features, feature_name); } return tmp; }