From 320fb2f7fe8dad67916f0d2b47faff997015f7c9 Mon Sep 17 00:00:00 2001
From: Chris Cannam <cannam@all-day-breakfast.com>
Date: Mon, 20 Feb 2023 15:25:27 +0000
Subject: [PATCH] Ensure we consume when called with final=true and no samples
 - this was the default behaviour in R2 and also initially in R3 but changed
 when resample-before modes were added

---
 src/finer/R3Stretcher.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/finer/R3Stretcher.cpp b/src/finer/R3Stretcher.cpp
index 36da6b0..e56f3d2 100644
--- a/src/finer/R3Stretcher.cpp
+++ b/src/finer/R3Stretcher.cpp
@@ -679,7 +679,13 @@ R3Stretcher::process(const float *const *input, size_t samples, bool final)
     int channels = m_parameters.channels;
     int inputIx = 0;
 
-    while (inputIx < int(samples)) {
+    if (samples == 0 && final) {
+
+        m_log.log(2, "process: no samples but final specified, consuming");
+        
+        consume();
+
+    } else while (inputIx < int(samples)) {
 
         int remaining = int(samples) - inputIx;
         int ws = m_channelData[0]->inbuf->getWriteSpace();