From 3f704fbba5e7180db6d39f71e578ff0c4b1d7c84 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 2 Feb 2026 18:54:20 +0100
Subject: Stop doing some more stuff during content drags in the timeline.

---
 src/lib/butler.cc |  8 ++++++--
 src/lib/butler.h  |  2 +-
 src/lib/player.cc | 40 +++++++++++++++++++++-------------------
 3 files changed, 28 insertions(+), 22 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/butler.cc b/src/lib/butler.cc
index 2bcd818cc..0c5b29005 100644
--- a/src/lib/butler.cc
+++ b/src/lib/butler.cc
@@ -93,7 +93,7 @@ Butler::Butler(
 	/* The butler must hear about things first, otherwise it might not sort out suspensions in time for
 	   get_video() to be called in response to this signal.
 	*/
-	_player_change_connection = _player.Change.connect(bind(&Butler::player_change, this, _1, _2), boost::signals2::at_front);
+	_player_change_connection = _player.Change.connect(bind(&Butler::player_change, this, _1, _2, _3), boost::signals2::at_front);
 	_thread = boost::thread(bind(&Butler::thread, this));
 #ifdef DCPOMATIC_LINUX
 	pthread_setname_np(_thread.native_handle(), "butler");
@@ -404,8 +404,12 @@ Butler::memory_used() const
 
 
 void
-Butler::player_change(ChangeType type, int property)
+Butler::player_change(ChangeType type, int property, bool frequent)
 {
+	if (frequent) {
+		return;
+	}
+
 	if (property == VideoContentProperty::CROP) {
 		if (type == ChangeType::DONE) {
 			auto film = _film.lock();
diff --git a/src/lib/butler.h b/src/lib/butler.h
index d85ec90f4..da94b1523 100644
--- a/src/lib/butler.h
+++ b/src/lib/butler.h
@@ -103,7 +103,7 @@ private:
 	void text(PlayerText pt, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period);
 	bool should_run() const;
 	void prepare(std::weak_ptr<PlayerVideo> video);
-	void player_change(ChangeType type, int property);
+	void player_change(ChangeType type, int property, bool frequent);
 	void seek_unlocked(dcpomatic::DCPTime position, bool accurate);
 
 	std::weak_ptr<const Film> _film;
diff --git a/src/lib/player.cc b/src/lib/player.cc
index dadf2c73e..c6ef90395 100644
--- a/src/lib/player.cc
+++ b/src/lib/player.cc
@@ -407,26 +407,28 @@ Player::playlist_content_change(ChangeType type, int property, bool frequent)
 		return;
 	}
 
-	if (property == VideoContentProperty::CROP) {
-		if (type == ChangeType::DONE) {
-			boost::mutex::scoped_lock lm(_mutex);
-			for (auto const& i: _delay) {
-				i.first->reset_metadata(film, _video_container_size);
+	if (!frequent) {
+		if (property == VideoContentProperty::CROP) {
+			if (type == ChangeType::DONE) {
+				boost::mutex::scoped_lock lm(_mutex);
+				for (auto const& i: _delay) {
+					i.first->reset_metadata(film, _video_container_size);
+				}
+			}
+		} else {
+			if (type == ChangeType::PENDING) {
+				/* The player content is probably about to change, so we can't carry on
+				   until that has happened and we've rebuilt our pieces.  Stop pass()
+				   and seek() from working until then.
+				*/
+				++_suspended;
+			} else if (type == ChangeType::DONE) {
+				/* A change in our content has gone through.  Re-build our pieces. */
+				setup_pieces();
+				--_suspended;
+			} else if (type == ChangeType::CANCELLED) {
+				--_suspended;
 			}
-		}
-	} else {
-		if (type == ChangeType::PENDING) {
-			/* The player content is probably about to change, so we can't carry on
-			   until that has happened and we've rebuilt our pieces.  Stop pass()
-			   and seek() from working until then.
-			*/
-			++_suspended;
-		} else if (type == ChangeType::DONE) {
-			/* A change in our content has gone through.  Re-build our pieces. */
-			setup_pieces();
-			--_suspended;
-		} else if (type == ChangeType::CANCELLED) {
-			--_suspended;
 		}
 	}
 
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