From bfef0fbff34e80a86d7b740eace597efe52136e1 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Thu, 20 Oct 2011 02:33:51 +0200
Subject: pcm_volume: implement float samples

---
 src/pcm_volume.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/pcm_volume.h')

diff --git a/src/pcm_volume.h b/src/pcm_volume.h
index 741c4db40..64e3c7641 100644
--- a/src/pcm_volume.h
+++ b/src/pcm_volume.h
@@ -43,6 +43,12 @@ pcm_float_to_volume(float volume)
 	return volume * PCM_VOLUME_1 + 0.5;
 }
 
+static inline float
+pcm_volume_to_float(int volume)
+{
+	return (float)volume / (float)PCM_VOLUME_1;
+}
+
 /**
  * Returns the next volume dithering number, between -511 and +511.
  * This number is taken from a global PRNG, see pcm_prng().
-- 
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