1 files changed, 36 insertions, 0 deletions
diff --git a/options/m_option.c b/options/m_option.c
index f52a81a0b9..77e610f08c 100644
--- a/options/m_option.c
+++ b/options/m_option.c
@@ -1344,6 +1344,42 @@ const m_option_type_t m_option_type_string_list = {
     .set   = str_list_set,
 };
 
+static void str_list_append(void *dst, bstr s)
+{
+    if (!dst)
+        return;
+    char **list= VAL(dst);
+    int len = 0;
+    while (list && list[len])
+        len++;
+    MP_TARRAY_APPEND(NULL, list, len, bstrto0(NULL, s));
+    MP_TARRAY_APPEND(NULL, list, len, NULL);
+    VAL(dst) = list;
+}
+
+static int parse_str_append_list(struct mp_log *log, const m_option_t *opt,
+                                 struct bstr name, struct bstr param, void *dst)
+{
+    if (param.len == 0)
+        return M_OPT_MISSING_PARAM;
+
+    str_list_append(dst, param);
+
+    return 1;
+}
+
+const m_option_type_t m_option_type_string_append_list = {
+    .name  = "String list",
+    .size  = sizeof(char **),
+    .flags = M_OPT_TYPE_DYNAMIC,
+    .parse = parse_str_append_list,
+    .print = print_str_list,
+    .copy  = copy_str_list,
+    .free  = free_str_list,
+    .get   = str_list_get,
+    .set   = str_list_set,
+};
+
 static int read_subparam(struct mp_log *log, bstr optname,
                          bstr *str, bstr *out_subparam);