Reduce the warning storm a bit.

[nageru] / theme.cpp

diff --git a/theme.cpp b/theme.cpp
index f32f637c03cb0aa683cece7d1fbaa4ed1cf60433..61ead92e98bc8503a8c137f135bf89aa18c2ba27 100644 (file)
--- a/theme.cpp
+++ b/theme.cpp
@@ -493,8 +493,10 @@ std::vector<std::string> Theme::get_transition_names(float t)
 void Theme::connect_signal(YCbCrInput *input, int signal_num)
 {
        if (signal_num >= int(num_cards)) {
-               fprintf(stderr, "WARNING: Theme asked for input %d, but we only have %u card(s).\n", signal_num, num_cards);
-               fprintf(stderr, "Mapping to card %d instead.\n", signal_num % num_cards);
+               if (signals_warned_about.insert(signal_num).second) {
+                       fprintf(stderr, "WARNING: Theme asked for input %d, but we only have %u card(s).\n", signal_num, num_cards);
+                       fprintf(stderr, "Mapping to card %d instead.\n", signal_num % num_cards);
+               }
                signal_num %= num_cards;
        }
        input->set_texture_num(0, input_textures[signal_num].tex_y);