From fad3490946d91682cc083b7ca300b2d4e093abf4 Mon Sep 17 00:00:00 2001
From: reuk <reuk@users.noreply.github.com>
Date: Tue, 28 Sep 2021 10:25:02 +0100
Subject: [PATCH] DelayLine:  Add function to retrieve the maximum possible
 delay time

---
 modules/juce_dsp/processors/juce_DelayLine.cpp | 2 +-
 modules/juce_dsp/processors/juce_DelayLine.h   | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/juce_dsp/processors/juce_DelayLine.cpp b/modules/juce_dsp/processors/juce_DelayLine.cpp
index b31428ae70..8727230d62 100644
--- a/modules/juce_dsp/processors/juce_DelayLine.cpp
+++ b/modules/juce_dsp/processors/juce_DelayLine.cpp
@@ -49,7 +49,7 @@ DelayLine<SampleType, InterpolationType>::DelayLine (int maximumDelayInSamples)
 template <typename SampleType, typename InterpolationType>
 void DelayLine<SampleType, InterpolationType>::setDelay (SampleType newDelayInSamples)
 {
-    auto upperLimit = (SampleType) (totalSize - 1);
+    auto upperLimit = (SampleType) getMaximumDelayInSamples();
     jassert (isPositiveAndNotGreaterThan (newDelayInSamples, upperLimit));
 
     delay     = jlimit ((SampleType) 0, upperLimit, newDelayInSamples);
diff --git a/modules/juce_dsp/processors/juce_DelayLine.h b/modules/juce_dsp/processors/juce_DelayLine.h
index 6ab8dc3533..91d8f29ee4 100644
--- a/modules/juce_dsp/processors/juce_DelayLine.h
+++ b/modules/juce_dsp/processors/juce_DelayLine.h
@@ -120,6 +120,13 @@ public:
     */
     void setMaximumDelayInSamples (int maxDelayInSamples);
 
+    /** Gets the maximum possible delay in samples.
+
+        For very short delay times, the result of getMaximumDelayInSamples() may
+        differ from the last value passed to setMaximumDelayInSamples().
+    */
+    int getMaximumDelayInSamples() const noexcept       { return totalSize - 1; }
+
     /** Resets the internal state variables of the processor. */
     void reset();