1 files changed, 33 insertions, 0 deletions
diff --git a/utils/voice_tweak/iwaveout.h b/utils/voice_tweak/iwaveout.h
new file mode 100644
index 0000000..5e9ad4f
--- /dev/null
+++ b/utils/voice_tweak/iwaveout.h
@@ -0,0 +1,33 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef IWAVEOUT_H
+#define IWAVEOUT_H
+#pragma once
+
+
+// Interface by the voice_tweak app for simple wave output. You must extern a 
+// specific factory function to create and initialize an instance.
+class IWaveOut
+{
+public:
+	virtual			~IWaveOut() {}
+	virtual void	Release() = 0;
+
+	// Give it samples to mix into the output. The input samples are 16-bit signed mono.
+	virtual bool	PutSamples(short *pSamples, int nSamples) = 0;
+
+	// Do idle time processing.
+	virtual void	Idle() = 0;
+
+	// Returns the number of samples you've put that haven't been played yet (sitting in the buffer 
+	// waiting to be played).
+	virtual int		GetNumBufferedSamples() = 0;
+};
+
+
+#endif // IWAVEOUT_H