From 52b17bd4d80656885e095e74cdd34b90059e8f30 Mon Sep 17 00:00:00 2001
From: Christopher Snowhill <kode54@gmail.com>
Date: Wed, 12 Jan 2022 23:16:13 -0800
Subject: [PATCH] Cog Audio: Implement virtual ring buffer function to read
 buffered bytes count

---
 Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.h | 3 ++-
 Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.m | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.h b/Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.h
index 95cd3e2e1..102bbc960 100644
--- a/Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.h
+++ b/Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.h
@@ -68,7 +68,8 @@
 // Checks if the buffer is empty or not. This is safe in any thread.
 - (BOOL)isEmpty;
 
-- (UInt32)bufferLength;
+// Return amount buffered
+- (UInt32)bufferedLength;
 
 // Read operations:
 
diff --git a/Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.m b/Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.m
index 9ffea019c..f692427ef 100644
--- a/Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.m
+++ b/Audio/ThirdParty/VirtualRingBuffer/VirtualRingBuffer.m
@@ -73,9 +73,9 @@ static void deallocateVirtualBuffer(void *buffer, UInt32 bufferLength);
 }
 
 
-- (UInt32)bufferLength
+- (UInt32)bufferedLength
 {
-	return bufferLength;
+	return atomic_load_explicit(&bufferFilled, memory_order_relaxed);
 }
 
 //