From 9c4fd2a2c75b958c22442d2b83e75021bd096be5 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 1 Sep 2004 12:48:47 +0000
Subject: add support for dB volumes

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@166 fefdeb5f-60dc-0310-8127-8f9354f1896f
---
 polyp/sample.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'polyp/sample.h')

diff --git a/polyp/sample.h b/polyp/sample.h
index 28ae51ea..ca462071 100644
--- a/polyp/sample.h
+++ b/polyp/sample.h
@@ -102,6 +102,12 @@ typedef uint32_t pa_volume_t;
 /** Multiply two volumes specifications, return the result. This uses PA_VOLUME_NORM as neutral element of multiplication. */
 pa_volume_t pa_volume_multiply(pa_volume_t a, pa_volume_t b);
 
+/** Convert volume from decibel to linear level */
+pa_volume_t pa_volume_from_dB(double f);
+
+/** Convert volume from linear level to decibel */
+double pa_volume_to_dB(pa_volume_t v);
+
 PA_C_DECL_END
 
 #endif
-- 
cgit