Added Audio Visualizer example

Example visualizes the magnitude of music played as animated bars.
The music is played using media player. Implementation combines
the use of Qt 3D rendering with Qt Quick 2D elements.

Change-Id: I945d50d0dbd26151f274269649cca793a5ad4d27
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>
Reviewed-by: Pasi Keränen <pasi.keranen@theqtcompany.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

2 files changed, 550 insertions, 0 deletions

diff --git a/examples/qt3d/audio-visualizer-qml/meshes/circle.obj b/examples/qt3d/audio-visualizer-qml/meshes/circle.obj
new file mode 100644
index 000000000..e76bc8659
--- /dev/null
+++ b/examples/qt3d/audio-visualizer-qml/meshes/circle.obj
@@ -0,0 +1,72 @@
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+# www.blender.org
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diff --git a/examples/qt3d/audio-visualizer-qml/meshes/progressbar.obj b/examples/qt3d/audio-visualizer-qml/meshes/progressbar.obj
new file mode 100644
index 000000000..a48ad3540
--- /dev/null
+++ b/examples/qt3d/audio-visualizer-qml/meshes/progressbar.obj
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