From fd6377a5af29f1e52b868e4be5c3f0c5c2157bf4 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Mon, 7 Aug 2017 19:27:37 +0200
Subject: [PATCH] PortAudio: skip process callbacks until ports are established

---
 libs/backends/portaudio/portaudio_backend.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/backends/portaudio/portaudio_backend.cc b/libs/backends/portaudio/portaudio_backend.cc
index 370bf519ed..b9ef48fd4f 100644
--- a/libs/backends/portaudio/portaudio_backend.cc
+++ b/libs/backends/portaudio/portaudio_backend.cc
@@ -641,7 +641,6 @@ PortAudioBackend::_start (bool for_latency_measurement)
 
 	_measure_latency = for_latency_measurement;
 
-	_run = true;
 	_port_change_flag = false;
 
 	if (_midi_driver_option == winmme_driver_name) {
@@ -680,8 +679,9 @@ PortAudioBackend::_start (bool for_latency_measurement)
 		return PortReconnectError;
 	}
 
-	engine.reconnect_ports ();
 	_run = true;
+
+	engine.reconnect_ports ();
 	_port_change_flag = false;
 
 	if (_use_blocking_api) {