From 7f671909bbcc37c53101e444de65b43f2c063cd0 Mon Sep 17 00:00:00 2001
From: Philippe G <philippe44@users.noreply.github.com>
Date: Thu, 27 Aug 2020 16:40:11 -0700
Subject: [PATCH] better mad sync

---
 components/squeezelite/mad.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/squeezelite/mad.c b/components/squeezelite/mad.c
index ccc6d50b..a34b5e2b 100644
--- a/components/squeezelite/mad.c
+++ b/components/squeezelite/mad.c
@@ -243,6 +243,8 @@ static decode_state mad_decode(void) {
 		MAD(m, synth_frame, &m->synth, &m->frame);
 
 		if (decode.new_stream) {
+			// seems that mad can use some help in term of sync detection
+			if (m->stream.next_frame[0] != 0xff || (m->stream.next_frame[1] & 0xf0) != 0xf0) continue;
 			LOCK_O;
 			LOG_INFO("setting track_start");
 			output.next_sample_rate = decode_newstream(m->synth.pcm.samplerate, output.supported_rates);