commands: move legacy property wrapper to m_property.c

1 files changed, 48 insertions, 1 deletions

diff --git a/m_property.c b/m_property.c
index 1644dbd997..c8cf4e3dcf 100644
--- a/m_property.c
+++ b/m_property.c
@@ -39,6 +39,49 @@ const struct m_option_type m_option_type_dummy = {
     .name = "Unknown",
 };
 
+struct legacy_prop {
+    const char *old, *new;
+};
+static const struct legacy_prop legacy_props[] = {
+    {"switch_video",    "video"},
+    {"switch_audio",    "audio"},
+    {"switch_program",  "program"},
+    {"framedropping",   "framedrop"},
+    {"osdlevel",        "osd-level"},
+    {0}
+};
+
+static bool translate_legacy_property(const char *name, char *buffer,
+                                      size_t buffer_size)
+{
+    if (strlen(name) + 1 > buffer_size)
+        return false;
+
+    const char *old_name = name;
+
+    for (int n = 0; legacy_props[n].new; n++) {
+        if (strcmp(name, legacy_props[n].old) == 0) {
+            name = legacy_props[n].new;
+            break;
+        }
+    }
+
+    snprintf(buffer, buffer_size, "%s", name);
+
+    // Old names used "_" instead of "-"
+    for (int n = 0; buffer[n]; n++) {
+        if (buffer[n] == '_')
+            buffer[n] = '-';
+    }
+
+    if (strcmp(old_name, buffer) != 0) {
+        mp_msg(MSGT_CPLAYER, MSGL_V, "Warning: property '%s' is deprecated, "
+               "replaced with '%s'. Fix your input.conf!\n", old_name, buffer);
+    }
+
+    return true;
+}
+
 static int do_action(const m_option_t *prop_list, const char *name,
                      int action, void *arg, void *ctx)
 {
@@ -72,12 +115,16 @@ static int do_action(const m_option_t *prop_list, const char *name,
     return r;
 }
 
-int m_property_do(const m_option_t *prop_list, const char *name,
+int m_property_do(const m_option_t *prop_list, const char *in_name,
                   int action, void *arg, void *ctx)
 {
     union m_option_value val = {0};
     int r;
 
+    char name[64];
+    if (!translate_legacy_property(in_name, name, sizeof(name)))
+        return M_PROPERTY_UNKNOWN;
+
     struct m_option opt = {0};
     r = do_action(prop_list, name, M_PROPERTY_GET_TYPE, &opt, ctx);
     if (r <= 0)