Add a peak display.

[nageru] / glwidget.cpp

diff --git a/glwidget.cpp b/glwidget.cpp
index 2118ffe1c6dff368cc9b30604cead5b8af8bf7d0..075106aa695b2d582aab561a1faba58ff5b36247 100644 (file)
--- a/glwidget.cpp
+++ b/glwidget.cpp
@@ -48,8 +48,12 @@ void GLWidget::initializeGL()
        static std::once_flag flag;
        std::call_once(flag, [this]{
                global_mixer = new Mixer(QGLFormat::toSurfaceFormat(format()));
-               global_mixer->set_audio_level_callback([this](float level){
-                       global_vu_meter->set_level(level);
+               global_mixer->set_audio_level_callback([this](float level_lufs, float peak_db){
+                       global_vu_meter->set_level(level_lufs);
+
+                       char buf[256];
+                       snprintf(buf, sizeof(buf), "%.1f", peak_db);
+                       global_peak_display->setText(buf);
                });
                global_mixer->start();
        });