Update example waveform code in README.md

1 files changed, 5 insertions, 3 deletions

diff --git a/README.md b/README.md
index f7ff296..043df88 100644
--- a/README.md
+++ b/README.md
@@ -57,8 +57,9 @@ int main(int argc, char **argv)
     tr.set_key(djinterop::musical_key::a_minor);
     tr.set_bitrate(320);
     tr.set_average_loudness(0.5);  // loudness range (0, 1]
-    tr.set_sampling({44100,        // sample rate
-                     16140600});   // sample count
+    int64_t sample_count = 16140600;
+    tr.set_sampling({44100,          // sample rate
+                     sample_count}); // sample count
     std::vector<djinterop::beatgrid_marker> beatgrid{
         {-4, -83316.78},                 // 1st marker
         {812, 17470734.439}};            // 2nd marker
@@ -84,7 +85,8 @@ int main(int argc, char **argv)
         0, {"Loop 1", 1144.012, 345339.134, el::standard_pad_colors::pad_1});
 
     // Set high-resolution waveform
-    int64_t waveform_size = tr.recommended_waveform_size();
+    int64_t spe = tr.required_waveform_samples_per_entry();
+    int64_t waveform_size = (sample_count + spe - 1) / spe; // Ceiling division
     std::vector<djinterop::waveform_entry> waveform;
     waveform.reserve(waveform_size);
     for (int64_t i = 0; i < waveform_size; ++i)