X-Git-Url: https://git.sesse.net/?p=c64tapwav;a=blobdiff_plain;f=decode.cpp;h=0e88f9d85d73d55d5e5a55262c5f68f1b99acfcf;hp=99776bc29a07e15eb54d57c1cd5d2fa8986f4822;hb=8bcb1606276bfbb87751e2c263a849b7c89bccb5;hpb=08089f496815d725c3bee171bae0e884642ffc05

diff --git a/decode.cpp b/decode.cpp
index 99776bc..0e88f9d 100644
--- a/decode.cpp
+++ b/decode.cpp
@@ -1,7 +1,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
-#include <unistd.h>
 #include <assert.h>
 #include <limits.h>
 #include <vector>
@@ -42,7 +41,7 @@ double find_zerocrossing(const std::vector<short> &pcm, int x)
 
 	double upper = x;
 	double lower = x + 1;
-	while (upper - lower > 1e-6) {
+	while (lower - upper > 1e-3) {
 		double mid = 0.5f * (upper + lower);
 		if (lanczos_interpolate(pcm, mid) > 0) {
 			upper = mid;