add support for dB volumes

[pulseaudio] / polyp / sample.h

diff --git a/polyp/sample.h b/polyp/sample.h
index 28ae51eabba38d98895405c875050b7b4f294f0a..ca462071716ab2b8c7d4daebfdc2cb482b8b9377 100644 (file)
--- 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