demux_mkv: don't recursively resolve timeline for opened reference files

Instead, resolve all references and so on in the top-level timeline.

3 files changed, 14 insertions, 10 deletions

diff --git a/demux/demux.c b/demux/demux.c
index 6041ada753..5072eb9f05 100644
--- a/demux/demux.c
+++ b/demux/demux.c
@@ -1287,16 +1287,18 @@ static struct demuxer *open_given_type(struct mpv_global *global,
         demux_changed(in->d_thread, DEMUX_EVENT_ALL);
         demux_update(demuxer);
         stream_control(demuxer->stream, STREAM_CTRL_SET_READAHEAD, &(int){false});
-        struct timeline *tl = timeline_load(global, log, demuxer);
-        if (tl) {
-            struct demuxer_params params2 = {0};
-            params2.timeline = tl;
-            struct demuxer *sub = open_given_type(global, log,
-                                                  &demuxer_desc_timeline, stream,
-                                                  &params2, DEMUX_CHECK_FORCE);
-            if (sub)
-                return sub;
-            timeline_destroy(tl);
+        if (!(params && params->disable_timeline)) {
+            struct timeline *tl = timeline_load(global, log, demuxer);
+            if (tl) {
+                struct demuxer_params params2 = {0};
+                params2.timeline = tl;
+                struct demuxer *sub =
+                    open_given_type(global, log, &demuxer_desc_timeline, stream,
+                                    &params2, DEMUX_CHECK_FORCE);
+                if (sub)
+                    return sub;
+                timeline_destroy(tl);
+            }
         }
         return demuxer;
     }
diff --git a/demux/demux.h b/demux/demux.h
index 39c2600257..18f52d463d 100644
--- a/demux/demux.h
+++ b/demux/demux.h
@@ -161,6 +161,7 @@ struct demuxer_params {
     int matroska_wanted_segment;
     bool *matroska_was_valid;
     struct timeline *timeline;
+    bool disable_timeline;
     // -- demux_open_url() only
     int stream_flags;
     bool allow_capture;
diff --git a/demux/demux_mkv_timeline.c b/demux/demux_mkv_timeline.c
index 30d669c77f..6e18fd2562 100644
--- a/demux/demux_mkv_timeline.c
+++ b/demux/demux_mkv_timeline.c
@@ -170,6 +170,7 @@ static bool check_file_seg(struct tl_ctx *ctx, char *filename, int segment)
         .matroska_wanted_uids = ctx->uids,
         .matroska_wanted_segment = segment,
         .matroska_was_valid = &was_valid,
+        .disable_timeline = true,
         .disable_cache = true,
     };
     struct mp_cancel *cancel = ctx->tl->cancel;