From d8408ed012391310f1fcdc5e94c8514293e894e9 Mon Sep 17 00:00:00 2001
From: "dmitry.i.sokolov" <DmitryIlichSokolov@gmail.com>
Date: Thu, 2 Feb 2017 13:18:47 +0400
Subject: [PATCH] audio level

---
 .../kotlin/me/ilich/rxandroidaudio/AudioLevel.kt    | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/rxaa/src/main/kotlin/me/ilich/rxandroidaudio/AudioLevel.kt b/rxaa/src/main/kotlin/me/ilich/rxandroidaudio/AudioLevel.kt
index d2cdaff..d8f9fdb 100644
--- a/rxaa/src/main/kotlin/me/ilich/rxandroidaudio/AudioLevel.kt
+++ b/rxaa/src/main/kotlin/me/ilich/rxandroidaudio/AudioLevel.kt
@@ -17,16 +17,9 @@ class AudioLevel {
                         map { sh ->
                             sh.toDouble() / Short.MAX_VALUE
                         }.
-                        map { db ->
-                            if (db == 0.0) {
-                                EPSILON
-                            } else {
-                                Math.abs(db)
-                            }
-                        }.
-                        map { db ->
-                            20.0 * Math.log10(db)
-                        }.
+                        filter { it == 0.0 }.
+                        map { Math.abs(it) }.
+                        map { 20.0 * Math.log10(it) }.
                         filter(Double::isFinite).
                         max() ?:
                         Double.NEGATIVE_INFINITY