sub: rewrite auto-forced-only support

- No longer has a fake "option" used only internally (which didn't always get propagated properly)
- Always overrideable during playback

1 files changed, 2 insertions, 0 deletions

diff --git a/sub/sd.h b/sub/sd.h
index 87270c6c4f..b4e8aa6742 100644
--- a/sub/sd.h
+++ b/sub/sd.h
@@ -24,6 +24,8 @@ struct sd {
     // Set to false as soon as the decoder discards old subtitle events.
     // (only needed if sd_functions.accept_packets_in_advance == false)
     bool preload_ok;
+
+    bool forced_only_def;
 };
 
 struct sd_functions {