From aae8860d0e7b2bf68a1c20c6f30999fff531f03c Mon Sep 17 00:00:00 2001
From: Konstantin <const@const.me>
Date: Tue, 17 Jan 2023 13:12:14 +0100
Subject: Minor, optimized away memcpy() when running audio capture

---
 Whisper/MF/AudioBuffer.h                | 6 ++++++
 Whisper/Whisper/ContextImpl.capture.cpp | 3 +--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/Whisper/MF/AudioBuffer.h b/Whisper/MF/AudioBuffer.h
index 87319dd..93a6ace 100644
--- a/Whisper/MF/AudioBuffer.h
+++ b/Whisper/MF/AudioBuffer.h
@@ -30,6 +30,12 @@ namespace Whisper
 			stereo.clear();
 		}
 
+		void swap( AudioBuffer& that )
+		{
+			mono.swap( that.mono );
+			stereo.swap( that.stereo );
+		}
+
 		void resize( size_t len )
 		{
 			assert( len <= mono.size() );
diff --git a/Whisper/Whisper/ContextImpl.capture.cpp b/Whisper/Whisper/ContextImpl.capture.cpp
index c0d3d28..617c1f3 100644
--- a/Whisper/Whisper/ContextImpl.capture.cpp
+++ b/Whisper/Whisper/ContextImpl.capture.cpp
@@ -138,8 +138,7 @@ namespace
 
 			workStatus = S_FALSE;
 			buffer.currentOffset = pcmStartTime;
-			buffer.pcm.mono = pcm.mono;
-			buffer.pcm.stereo = pcm.stereo;
+			pcm.swap( buffer.pcm );
 			SubmitThreadpoolWork( work );
 			pcmStartTime = nextSampleTime;
 			pcm.clear();
-- 
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