public async Task TestInitializeSuceeds()
{
// Arrange
var engineUnderTest = new MediaEngine();
// Act
var result = await engineUnderTest.InitializeAsync();
// Assert
Assert.IsTrue(MediaEngineInitializationResult.Success == result);
}
public async Task InitialzeAsync()
{
this.mediaEngine = new MediaEngine();
var result = await this.mediaEngine.InitializeAsync();
if (result == MediaEngineInitializationResult.Fail)
{
StartupTask.WriteTelemetryEvent("MediaEngine_FailedToInitialize");
}
this.mediaEngine.MediaStateChanged += MediaEngine_MediaStateChanged;
}
public async Task TestPlayWithInitializeSucceeds()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool callbackOccurred = false;
uint callbackTimeout = 10;
// Act
Assert.IsTrue(MediaEngineInitializationResult.Success == await engineUnderTest.InitializeAsync()
, "Failed to initialize MediaEngine");
engineUnderTest.MediaStateChanged += ((MediaState newState) =>
{
if (MediaState.Playing == newState)
callbackOccurred = true;
});
try
{
engineUnderTest.Play("ms-appx:///Assets/TestSilence.wav");
// Wait for the callback to be invoked until the timeout expires
uint counter = 0;
while (!callbackOccurred)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
}
catch (Exception e)
{
Assert.Fail("An exception was thrown during execution of the test: " + e.Message);
}
// Assert
Assert.IsTrue(callbackOccurred);
}
public void TestPlayWithoutInitializeFails()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool exceptionThrown = false;
// Act
try
{
engineUnderTest.Play("");
}
catch(Exception e)
{
exceptionThrown = true;
}
// Assert
Assert.IsTrue(exceptionThrown);
}
public async Task TestPlayStreamWithInvalidStreamFails()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool exceptionThrown = false;
// Act
Assert.IsTrue(MediaEngineInitializationResult.Success == await engineUnderTest.InitializeAsync()
, "Failed to initialize MediaEngine");
try
{
engineUnderTest.PlayStream(null);
}
catch (Exception e)
{
exceptionThrown = true;
}
// Assert
// An exception should be thrown
Assert.IsTrue(exceptionThrown);
}
// loads all the available media engines into the combo box
void loadEngineList()
{
string dir = AppDomain.CurrentDomain.BaseDirectory;
if (dir.Length == 0) return;
dir = System.IO.Path.Combine (dir, "plugins");
foreach (string file in System.IO.Directory.GetFiles (dir, "*.dll"))
{
MediaEngine engine = new MediaEngine (file);
if (engine.Load ())
store.AppendValues (engine, engine.Instance.Name);
}
}
/// <summary>
/// Loads the previously selected media engine.
/// </summary>
public void LoadEngine()
{
string engine_path = fuse.Config.MediaControls.Get ("Engine Path", "None");
MediaEngine engine = new MediaEngine (engine_path);
if (File.Exists (engine_path) && engine.Load ())
{
fuse.Controls.Engine = engine;
fuse.ChosenEngine = engine_path;
}
else
{
fuse.Controls.Engine = null;
engine_item_activated (null, null);
}
}
/// <summary> /// Called when media options have been changed. /// </summary> /// <param name="sender">The sender.</param> /// <param name="mediaInfo">The media information.</param> public void OnMediaChanged(MediaEngine sender, MediaInfo mediaInfo) => Parent?.PostMediaChangedEvent(mediaInfo);
/// <summary>
/// Performs the actions represented by this deferred task.
/// </summary>
protected override void PerformActions()
{
var m = MediaCore;
// Notify Media will start opening
m.Log(MediaLogMessageType.Debug, $"Command {CommandType}: Entered");
try
{
// TODO: Sometimes when the stream can't be read, the sample player stays as if it were trying to open
// until the interrupt timeout occurs but and the Real-Time Clock continues. Strange behavior. Investigate more.
// Signal the initial state
m.State.ResetMediaProperties();
m.State.UpdateFixedContainerProperties();
m.State.Source = Source;
// Register FFmpeg libraries if not already done
if (MediaEngine.LoadFFmpeg())
{
// Log an init message
m.Log(MediaLogMessageType.Info,
$"{nameof(FFInterop)}.{nameof(FFInterop.Initialize)}: FFmpeg v{MediaEngine.FFmpegVersionInfo}");
}
// Create a default stream container configuration object
var containerConfig = new ContainerConfiguration();
// Convert the URI object to something the Media Container understands (Uri to String)
var mediaUrl = Source.ToString();
// When opening via URL (and not via custom input stream), fixup the protocols and stuff
if (InputStream == null)
{
try
{
// the async protocol prefix allows for increased performance for local files.
// or anything that is file-system related
if (Source.IsFile || Source.IsUnc)
{
// Set the default protocol Prefix
mediaUrl = Source.LocalPath;
containerConfig.ProtocolPrefix = "async";
}
}
catch { }
// Support device URLs
// GDIGRAB: Example URI: device://gdigrab?desktop
if (string.IsNullOrWhiteSpace(Source.Scheme) == false &&
(Source.Scheme.Equals("format") || Source.Scheme.Equals("device")) &&
string.IsNullOrWhiteSpace(Source.Host) == false &&
string.IsNullOrWhiteSpace(containerConfig.ForcedInputFormat) &&
string.IsNullOrWhiteSpace(Source.Query) == false)
{
// Update the Input format and container input URL
// It is also possible to set some input options as follows:
// streamOptions.PrivateOptions["framerate"] = "20";
containerConfig.ForcedInputFormat = Source.Host;
mediaUrl = Uri.UnescapeDataString(Source.Query).TrimStart('?');
m.Log(MediaLogMessageType.Info, $"Media URI will be updated. Input Format: {Source.Host}, Input Argument: {mediaUrl}");
}
}
// Allow the stream input options to be changed
m.SendOnMediaInitializing(containerConfig, mediaUrl);
// Opening the media means we are buffering packets
m.State.SignalBufferingStarted();
// Instantiate the internal container using either a URL (default) or a custom input stream.
if (InputStream == null)
{
m.Container = new MediaContainer(mediaUrl, containerConfig, m);
}
else
{
m.Container = new MediaContainer(InputStream, containerConfig, m);
}
// Notify the user media is opening and allow for media options to be modified
// Stuff like audio and video filters and stream selection can be performed here.
m.State.UpdateFixedContainerProperties();
m.SendOnMediaOpening();
// Side-load subtitles if requested
m.PreloadSubtitles();
// Set the callback to update buffering progress
m.Container.Components.OnPacketQueued = (packetPtr, mediaType, bufferLength, lifetimeBytes) =>
m.State.UpdateBufferingProgress(bufferLength);
// Get the main container open
m.Container.Open();
// Reset buffering properties
m.State.UpdateFixedContainerProperties();
m.State.InitializeBufferingProperties();
// Check if we have at least audio or video here
if (m.State.HasAudio == false && m.State.HasVideo == false)
{
throw new MediaContainerException($"Unable to initialize at least one audio or video component fron the input stream.");
}
// Charge! We are good to go, fire up the worker threads!
m.StartWorkers();
}
catch (Exception ex)
{
// On closing we immediately signal a buffering ended operation
m.State.SignalBufferingEnded();
try { m.StopWorkers(); } catch { }
try { m.Container?.Dispose(); } catch { }
m.DisposePreloadedSubtitles();
m.Container = null;
ExceptionResult = ex;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DirectOpenCommand" /> class.
/// </summary>
/// <param name="mediaCore">The manager.</param>
/// <param name="source">The source.</param>
public DirectOpenCommand(MediaEngine mediaCore, Uri source)
: base(mediaCore)
{
Source = source;
CommandType = CommandType.Open;
}
/// <summary>
/// Initializes a new instance of the <see cref="MediaEngineState" /> class.
/// </summary>
/// <param name="parent">The parent.</param>
internal MediaEngineState(MediaEngine parent)
{
Parent = parent;
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandManager" /> class.
/// </summary>
/// <param name="mediaCore">The media core.</param>
public CommandManager(MediaEngine mediaCore)
{
MediaCore = mediaCore;
}
/// <summary>
/// Initializes a new instance of the <see cref="SubtitleRenderer"/> class.
/// </summary>
/// <param name="mediaEngine">The core media element.</param>
public SubtitleRenderer(MediaEngine mediaEngine)
{
MediaCore = mediaEngine;
}
/// <summary>
/// Initializes a new instance of the <see cref="MediaCommandManager"/> class.
/// </summary>
/// <param name="mediaEngine">The media element.</param>
public MediaCommandManager(MediaEngine mediaEngine)
{
m_MediaCore = mediaEngine;
}
/// <summary>
/// Initializes a new instance of the <see cref="VideoRendererBase"/> class.
/// </summary>
/// <param name="mediaCore">The media core.</param>
protected VideoRendererBase(MediaEngine mediaCore)
{
MediaCore = mediaCore;
}
public static async Task LoadAsync(this MediaEngine engine, string url, CancellationToken token)
{
await engine.DoAsync(token, () => engine.Source = url, e => e == MediaEngineEvent.LoadedMetadata);
}
public async Task TestVolumeGetandChangeSucceeds()
{
// Arrange
var engineUnderTest = new MediaEngine();
double volume = 0;
// Act
Assert.IsTrue(MediaEngineInitializationResult.Success == await engineUnderTest.InitializeAsync()
, "Failed to initialize MediaEngine");
try
{
// get the current volume
volume = engineUnderTest.Volume;
// decrease the volume by 0.1
engineUnderTest.Volume -= 0.1;
}
catch (Exception e)
{
Assert.Fail("An exception was thrown during execution of the test: " + e.Message);
}
// Assert
// Check that the current engine volume has been changed
Assert.IsTrue((volume -= 0.1) == engineUnderTest.Volume);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:Unosquare.FFME.MacOS.Rendering.AudioRenderer"/> class.
/// </summary>
/// <param name="mediaEngine">Media element core.</param>
public AudioRenderer(MediaEngine mediaEngine)
{
MediaCore = mediaEngine;
}
public async Task TestStopStreamWithInitializeSucceeds()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool playingCallbackOccurred = false;
bool stoppedCallbackOccurred = false;
uint callbackCount = 0;
uint callbackTimeout = 10;
// Act
Assert.IsTrue(MediaEngineInitializationResult.Success == await engineUnderTest.InitializeAsync()
, "Failed to initialize MediaEngine");
engineUnderTest.MediaStateChanged += ((MediaState newState) =>
{
switch (callbackCount)
{
case 0:
if (MediaState.Playing == newState)
{
playingCallbackOccurred = true;
callbackCount++;
}
break;
case 1:
if (MediaState.Stopped == newState)
{
stoppedCallbackOccurred = true;
callbackCount++;
}
break;
}
});
try
{
// Open the file as a byte stream
engineUnderTest.Play("ms-appx:///Assets/TestSilence.wav");
// Wait for the callback to be invoked until the timeout expires
uint counter = 0;
while (0 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
engineUnderTest.Stop();
counter = 0;
while (1 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
}
catch (Exception e)
{
Assert.Fail("An exception was thrown during execution of the test: " + e.Message);
}
// Assert
Assert.IsTrue(playingCallbackOccurred, "Track did not start playing");
Assert.IsTrue(stoppedCallbackOccurred, "Track did not stop");
}
/// <summary>
/// Gets the length of a <see cref="Video"/>
/// </summary>
/// <param name="video"></param>
/// <returns></returns>
public static TimeSpan GetDuration(this Video video)
{
MediaInfo info = MediaEngine.RetrieveMediaInfo(video.Path);
return(info.Duration);
}
/// <summary> /// Called when [media initializing]. /// </summary> /// <param name="sender">The sender.</param> /// <param name="config">The container configuration options.</param> /// <param name="url">The URL.</param> public void OnMediaInitializing(MediaEngine sender, ContainerConfiguration config, string url) => Parent?.RaiseMediaInitializingEvent(config, url);
static VideoExtensions()
{
MediaEngine.LoadFFmpeg();
}
// when the user has selected a media engine from the combo box
void combo_changed(object o, EventArgs args)
{
TreeIter iter;
if (combo.GetActiveIter (out iter)) {
MediaEngine engine = (MediaEngine) store.GetValue (iter, 0);
this.engine = engine;
title.Markup = "<small>" + engine.Instance.Name + "</small>";
version.Markup = "<small>" + engine.Instance.Version + "</small>";
description.Markup = "<small>" + engine.Instance.Description + "</small>";
author.Markup = "<small>" + engine.Instance.Author + "</small>";
website.Markup = "<small>" + engine.Instance.Website + "</small>";
}
}
/// <summary>
/// Called when [media initializing].
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="options">The options.</param>
/// <param name="url">The URL.</param>
public void OnMediaInitializing(MediaEngine sender, StreamOptions options, string url)
{
Parent?.RaiseMediaInitializingEvent(options, url);
}
public MainPage()
{
this.InitializeComponent();
this.mediaEngine = new MediaEngine();
}
/// <summary>
/// Called when [message logged].
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="T:Unosquare.FFME.Shared.MediaLogMessage" /> instance containing the event data.</param>
public void OnMessageLogged(MediaEngine sender, MediaLogMessage e)
{
Parent?.RaiseMessageLoggedEvent(e);
}
public async Task InitSpeech()
{
mediaEngine = new MediaEngine();
synth = new SpeechSynthesizer();
await mediaEngine.InitializeAsync();
}
/// <summary>
/// Called when [seeking started].
/// </summary>
/// <param name="sender">The sender.</param>
public void OnSeekingStarted(MediaEngine sender)
{
Parent?.RaiseSeekingStartedEvent();
}
public async Task TestPlayStreamWithInitializeSucceeds()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool callbackOccurred = false;
uint callbackTimeout = 10;
StorageFile testFile = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///Assets/TestSilence.wav"));
// Act
Assert.IsTrue(MediaEngineInitializationResult.Success == await engineUnderTest.InitializeAsync()
, "Failed to initialize MediaEngine");
engineUnderTest.MediaStateChanged += ((MediaState newState) =>
{
if (MediaState.Playing == newState)
callbackOccurred = true;
});
try
{
// Open the file as a byte stream
engineUnderTest.PlayStream(await testFile.OpenReadAsync());
// Wait for the callback to be invoked until the timeout expires
uint counter = 0;
while (!callbackOccurred)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
}
catch (Exception e)
{
Assert.Fail("An exception was thrown during execution of the test: " + e.Message);
}
// Assert
// The callback should be call within the timeout period
Assert.IsTrue(callbackOccurred);
}
/// <summary>
/// Called when [buffering started].
/// </summary>
/// <param name="sender">The sender.</param>
public void OnBufferingStarted(MediaEngine sender)
{
Parent?.RaiseBufferingStartedEvent();
}
public async Task TestPauseAndUnPauseSucceeds()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool firstPlayingCallbackOccurred = false;
bool pausedCallbackOccurred = false;
bool secondPlayingCallbackOccurred = false;
uint callbackCount = 0;
uint callbackTimeout = 10;
// Act
var result = await engineUnderTest.InitializeAsync();
engineUnderTest.MediaStateChanged += ((MediaState newState) =>
{
switch(callbackCount)
{
case 0:
if (MediaState.Playing == newState)
{
firstPlayingCallbackOccurred = true;
callbackCount++;
}
break;
case 1:
if (MediaState.Paused == newState)
{
pausedCallbackOccurred = true;
callbackCount++;
}
break;
case 2:
if (MediaState.Playing == newState)
{
secondPlayingCallbackOccurred = true;
callbackCount++;
}
break;
}
});
Assert.IsTrue(MediaEngineInitializationResult.Success == result);
try
{
engineUnderTest.Play("ms-appx:///Assets/TestSilence.wav");
uint counter = 0;
while (0 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
engineUnderTest.Pause();
counter = 0;
while (1 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
engineUnderTest.Pause();
counter = 0;
while (2 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
}
catch (Exception e)
{
Assert.Fail("An exception was thrown during execution of the test: " + e.Message);
}
Assert.IsTrue(firstPlayingCallbackOccurred, "Track did not start playing");
Assert.IsTrue(pausedCallbackOccurred, "Track did not pause");
Assert.IsTrue(secondPlayingCallbackOccurred, "Track did not resume");
}
/// <summary>
/// Called when [media closed].
/// </summary>
/// <param name="sender">The sender.</param>
public void OnMediaClosed(MediaEngine sender)
{
Parent?.RaiseMediaClosedEvent();
}
public async Task TestStopStreamWithInitializeSucceeds()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool playingCallbackOccurred = false;
bool stoppedCallbackOccurred = false;
uint callbackCount = 0;
uint callbackTimeout = 10;
// Act
Assert.IsTrue(MediaEngineInitializationResult.Success == await engineUnderTest.InitializeAsync()
, "Failed to initialize MediaEngine");
engineUnderTest.MediaStateChanged += ((MediaState newState) =>
{
switch (callbackCount)
{
case 0:
if (MediaState.Playing == newState)
{
playingCallbackOccurred = true;
callbackCount++;
}
break;
case 1:
if (MediaState.Stopped == newState)
{
stoppedCallbackOccurred = true;
callbackCount++;
}
break;
}
});
try
{
// Open the file as a byte stream
engineUnderTest.Play("ms-appx:///Assets/TestSilence.wav");
// Wait for the callback to be invoked until the timeout expires
uint counter = 0;
while (0 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
engineUnderTest.Stop();
counter = 0;
while (1 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
}
catch (Exception e)
{
Assert.Fail("An exception was thrown during execution of the test: " + e.Message);
}
// Assert
Assert.IsTrue(playingCallbackOccurred, "Track did not start playing");
Assert.IsTrue(stoppedCallbackOccurred, "Track did not stop");
}
/// <summary>
/// Called when [media failed].
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The e.</param>
public void OnMediaFailed(MediaEngine sender, Exception e)
{
Parent?.RaiseMediaFailedEvent(e);
}
public void TestVolumeSetWithoutInitializeFails()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool exceptionThrown = false;
// Act
try
{
engineUnderTest.Volume = 1;
}
catch (Exception e)
{
exceptionThrown = true;
}
// Assert
// An exception should be thrown
Assert.IsTrue(exceptionThrown);
}
/// <summary> /// Called when media options are changing. /// </summary> /// <param name="sender">The sender.</param> /// <param name="options">The options.</param> /// <param name="mediaInfo">The media information.</param> public void OnMediaChanging(MediaEngine sender, MediaOptions options, MediaInfo mediaInfo) => Parent?.RaiseMediaChangingEvent(options, mediaInfo);
public async Task TestPlayWithInvalidUrlFails()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool callbackOccurred = false;
uint callbackTimeout = 10;
// Act
Assert.IsTrue(MediaEngineInitializationResult.Success == await engineUnderTest.InitializeAsync()
, "Failed to initialize MediaEngine");
engineUnderTest.MediaStateChanged += ((MediaState newState) =>
{
// We're looking for the error state as this should be returns for
// an invalid URL
if (MediaState.Error == newState)
callbackOccurred = true;
});
try
{
engineUnderTest.Play("");
// Wait for the callback to be invoked until the timeout expires
uint counter = 0;
while (!callbackOccurred)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
}
catch (Exception e)
{
Assert.Fail("An exception was thrown during execution of the test: " + e.Message);
}
// Assert
// The callback should be call within the timeout period
Assert.IsTrue(callbackOccurred);
}
public async Task TestPauseAndUnPauseSucceeds()
{
// Arrange
var engineUnderTest = new MediaEngine();
bool firstPlayingCallbackOccurred = false;
bool pausedCallbackOccurred = false;
bool secondPlayingCallbackOccurred = false;
uint callbackCount = 0;
uint callbackTimeout = 10;
// Act
var result = await engineUnderTest.InitializeAsync();
engineUnderTest.MediaStateChanged += ((MediaState newState) =>
{
switch (callbackCount)
{
case 0:
if (MediaState.Playing == newState)
{
firstPlayingCallbackOccurred = true;
callbackCount++;
}
break;
case 1:
if (MediaState.Paused == newState)
{
pausedCallbackOccurred = true;
callbackCount++;
}
break;
case 2:
if (MediaState.Playing == newState)
{
secondPlayingCallbackOccurred = true;
callbackCount++;
}
break;
}
});
Assert.IsTrue(MediaEngineInitializationResult.Success == result);
try
{
engineUnderTest.Play("ms-appx:///Assets/TestSilence.wav");
uint counter = 0;
while (0 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
engineUnderTest.Pause();
counter = 0;
while (1 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
engineUnderTest.Pause();
counter = 0;
while (2 == callbackCount)
{
Assert.IsFalse(counter == callbackTimeout,
"Timed out waiting for callback from mediaengine");
await Task.Delay(100);
counter++;
}
}
catch (Exception e)
{
Assert.Fail("An exception was thrown during execution of the test: " + e.Message);
}
Assert.IsTrue(firstPlayingCallbackOccurred, "Track did not start playing");
Assert.IsTrue(pausedCallbackOccurred, "Track did not pause");
Assert.IsTrue(secondPlayingCallbackOccurred, "Track did not resume");
}