https://bugs.gentoo.org/919917#c2
https://github.com/smplayer-dev/smplayer/issues/837
--- a/src/mpvoptions.cpp
+++ b/src/mpvoptions.cpp
@@ -848,6 +848,10 @@ void MPVProcess::mute(bool b) {
 
 void MPVProcess::setPause(bool b) {
 	sendCommand(QString("set pause %1").arg(b ? "yes" : "no"));
+
+	// Workaround for mpv 0.37, playback not resuming after pause
+	// It seems mpv reports the pause state in the status line with some delay
+	if (b) sendCommand("no-osd seek 0 relative exact");
 }
 
 void MPVProcess::frameStep() {