From 77784c7abacaad35e56f86e938b65947c59f2d18 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 6 May 2020 11:47:56 +0300
Subject: [PATCH] musepackdec: Don't fail all queries if no sample rate is
 known yet

The sample rate is only needed for the POSITION/DURATION queries and we
would otherwise fail important queries like the CAPS query.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/498

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1248>
---
 ext/musepack/gstmusepackdec.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/ext/musepack/gstmusepackdec.c b/ext/musepack/gstmusepackdec.c
index 8a0da18aad..892828b6bd 100644
--- a/ext/musepack/gstmusepackdec.c
+++ b/ext/musepack/gstmusepackdec.c
@@ -282,13 +282,13 @@ gst_musepackdec_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
 
   samplerate = g_atomic_int_get (&musepackdec->rate);
 
-  if (samplerate == 0)
-    goto done;
-
   switch (GST_QUERY_TYPE (query)) {
     case GST_QUERY_POSITION:{
       gint64 cur, cur_off;
 
+      if (samplerate == 0)
+        goto done;
+
       gst_query_parse_position (query, &format, NULL);
 
       GST_OBJECT_LOCK (musepackdec);
@@ -308,6 +308,9 @@ gst_musepackdec_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
     case GST_QUERY_DURATION:{
       gint64 len, len_off;
 
+      if (samplerate == 0)
+        goto done;
+
       gst_query_parse_duration (query, &format, NULL);
 
       GST_OBJECT_LOCK (musepackdec);