little sound tester

selfdrive/ui/.gitignore

@@ -3,6 +3,7 @@ moc_*
 
 watch3
 installer/installers/*
+tests/playsound
 replay/replay
 replay/tests/test_replay
 qt/text

selfdrive/ui/SConscript

@@ -45,6 +45,8 @@ asset_obj = qt_env.Object("assets", assets)
 
 # build soundd
 qt_env.Program("_soundd", "soundd.cc", LIBS=base_libs)
+if GetOption('test'):
+  qt_env.Program("tests/playsound", "tests/playsound.cc", LIBS=base_libs)
 
 # spinner and text window
 qt_env.Program("qt/text", ["qt/text.cc"], LIBS=qt_libs)

selfdrive/ui/tests/playsound.cc

@@ -0,0 +1,30 @@
+#include <QApplication>
+#include <QSoundEffect>
+#include <QTimer>
+#include <QDebug>
+
+int main(int argc, char **argv) {
+
+  QApplication a(argc, argv);
+
+  QTimer::singleShot(0, [=]{
+    QSoundEffect s;
+    const char *vol = getenv("VOLUME");
+    s.setVolume(vol ? atof(vol) : 1.0);
+    for (int i = 1; i < argc; i++) {
+      QString fn = argv[i];
+      qDebug() << "playing" << fn;
+
+      QEventLoop loop;
+      s.setSource(QUrl::fromLocalFile(fn));
+      QEventLoop::connect(&s, &QSoundEffect::loadedChanged, &loop, &QEventLoop::quit);
+      loop.exec();
+      s.play();
+      QEventLoop::connect(&s, &QSoundEffect::playingChanged, &loop, &QEventLoop::quit);
+      loop.exec();
+    }
+    QCoreApplication::exit();
+  });
+
+  return a.exec();
+}