From bf85b6dcc7d17d35ed31dc9761a46eb510a668ac Mon Sep 17 00:00:00 2001
From: Sebastian Kraft <sebastian.kraft@nektartech.com>
Date: Fri, 6 May 2022 09:09:34 +0200
Subject: [PATCH] Always set sample rate of hosted AU plugins, fixes a bug with
 plugins reporting incorrect sample rates

---
 .../juce_AudioUnitPluginFormat.mm             | 25 ++++++++-----------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm b/modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm
index 59c0e06d368..8ee8f9a465c 100644
--- a/modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm
+++ b/modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm
@@ -1057,25 +1057,22 @@ void prepareToPlay (double newSampleRate, int estimatedSamplesPerBlock) override
 
                     AudioUnitGetProperty (audioUnit, kAudioUnitProperty_SampleRate, scope, static_cast<UInt32> (i), &sampleRate, &sampleRateSize);
 
-                    if (sampleRate != sr)
+                    if (isAUv3) // setting kAudioUnitProperty_SampleRate fails on AUv3s
                     {
-                        if (isAUv3) // setting kAudioUnitProperty_SampleRate fails on AUv3s
-                        {
-                            AudioStreamBasicDescription stream;
-                            UInt32 dataSize = sizeof (stream);
-                            auto err = AudioUnitGetProperty (audioUnit, kAudioUnitProperty_StreamFormat, scope, static_cast<UInt32> (i), &stream, &dataSize);
+                        AudioStreamBasicDescription stream;
+                        UInt32 dataSize = sizeof (stream);
+                        auto err = AudioUnitGetProperty (audioUnit, kAudioUnitProperty_StreamFormat, scope, static_cast<UInt32> (i), &stream, &dataSize);
 
-                            if (err == noErr && dataSize == sizeof (stream))
-                            {
-                                stream.mSampleRate = sr;
-                                AudioUnitSetProperty (audioUnit, kAudioUnitProperty_StreamFormat, scope, static_cast<UInt32> (i), &stream, sizeof (stream));
-                            }
-                        }
-                        else
+                        if (err == noErr && dataSize == sizeof (stream))
                         {
-                            AudioUnitSetProperty (audioUnit, kAudioUnitProperty_SampleRate, scope, static_cast<UInt32> (i), &sr, sizeof (sr));
+                            stream.mSampleRate = sr;
+                            AudioUnitSetProperty (audioUnit, kAudioUnitProperty_StreamFormat, scope, static_cast<UInt32> (i), &stream, sizeof (stream));
                         }
                     }
+                    else
+                    {
+                        AudioUnitSetProperty (audioUnit, kAudioUnitProperty_SampleRate, scope, static_cast<UInt32> (i), &sr, sizeof (sr));
+                    }
 
                     if (isInput)
                     {