public async Task PlaybackSource_MediaPlayer()
{
var testFile = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///TestContent/test_signal.mp3"));
var player = new MediaPlayer();
var playerSource = PlaybackSource.CreateFromMediaPlayer(player);
List <IVisualizationSource> sources = new List <IVisualizationSource>();
ManualResetEventSlim ev = new ManualResetEventSlim();
playerSource.SourceChanged += new TypedEventHandler <object, IVisualizationSource>(
(sender, source) =>
{
sources.Add(source);
ev.Set();
}
);
player.Source = MediaSource.CreateFromStorageFile(testFile);
player.Play();
if (Task.Run(() => { ev.Wait(); }).Wait(1000))
{
Assert.IsTrue(sources.Count == 1);
Assert.IsNotNull(sources[0]);
Assert.IsInstanceOfType(sources[0], typeof(AudioVisualizer.MediaAnalyzer));
}
else
{
Assert.Fail("Timeout when waiting for the source creation");
}
}
public MediaPlayerPage()
{
this.InitializeComponent();
_player = new MediaPlayer();
_player.MediaOpened += Player_MediaOpened;
_player.PlaybackSession.PositionChanged += Player_PositionChanged;
_playbackSource = PlaybackSource.CreateFromMediaPlayer(_player);
_playbackSource.SourceChanged += PlaybackSource_Changed;
_source = (SourceConverter)Resources["source"];
_analogSource = (SourceConverter)Resources["analogSource"];
_spectrumSource = (SourceConverter)Resources["spectrumSource"];
_source.RmsRiseTime = TimeSpan.FromMilliseconds(50);
_source.RmsFallTime = TimeSpan.FromMilliseconds(50);
_source.PeakRiseTime = TimeSpan.FromMilliseconds(50);
_source.PeakFallTime = TimeSpan.FromMilliseconds(1000);
_analogSource.RmsRiseTime = TimeSpan.FromMilliseconds(500);
_analogSource.RmsFallTime = TimeSpan.FromMilliseconds(500);
_analogSource.AnalyzerTypes = AnalyzerType.RMS;
_spectrumSource.SpectrumRiseTime = TimeSpan.FromMilliseconds(100);
_spectrumSource.SpectrumFallTime = TimeSpan.FromMilliseconds(200);
_spectrumSource.FrequencyCount = 50;
_spectrumSource.MinFrequency = 20.0f;
_spectrumSource.MaxFrequency = 20000.0f;
_spectrumSource.FrequencyScale = ScaleType.Logarithmic;
_spectrumSource.AnalyzerTypes = AnalyzerType.Spectrum;
// Create bar steps with 1db steps from -86db to +6
const int fromDb = -86;
const int toDb = 6;
MeterBarLevel[] levels = new MeterBarLevel[toDb - fromDb];
Color fromColor = Colors.Yellow;
Color toColor = Colors.Red;
float redStep = (float)toColor.R - (float)fromColor.R;
float greenStep = (float)toColor.G - (float)fromColor.G;
float blueStep = (float)toColor.B - (float)fromColor.B;
for (int i = 0; i < levels.Count(); i++)
{
float ratio = (float)i / (float)levels.Count();
levels[i].Color = Color.FromArgb(255, (byte)((redStep * ratio) + fromColor.R), (byte)((greenStep * ratio) + fromColor.G), (byte)((blueStep * ratio) + fromColor.B));
levels[i].Level = i + fromDb;
}
bar0.Levels = levels;
bar1.Levels = levels;
barspectrum.ElementFactory = this;
barspectrum.ElementShadowBlurRadius = 5;
barspectrum.ElementShadowOffset = new Vector3(2, 2, -10);
barspectrum.ElementShadowColor = Colors.LightGreen;
}
