public void Seek_Backward_Seeks(string clipTitle)
{
RunPlayerTest(clipTitle, async context =>
{
var service = context.Service;
for (var nextSeekTime = service.Duration - TimeSpan.FromSeconds(15);
nextSeekTime > TimeSpan.Zero;
nextSeekTime -= TimeSpan.FromSeconds(20))
{
context.SeekTime = nextSeekTime;
var seekOperation = new SeekOperation();
seekOperation.Prepare(context);
await seekOperation.Execute(context);
}
});
}
public void RepresentationChange_WhileSeeking_Succeeds(string clipTitle)
{
RunPlayerTest(clipTitle, async context =>
{
var streams = new[] { StreamType.Video, StreamType.Audio };
var service = context.Service;
context.SeekTime = null; // Perform random seeks.
var defaultTimeout = context.Timeout;
foreach (var stream in streams)
{
var descriptions = service.GetStreamsDescription(stream);
for (var i = 0; i < descriptions.Count; i++)
{
var seekOp = new SeekOperation();
// Wait for seekOp after ChangeRepresentation executes.
// Otherwise, position task of SeekOp may timeout as position may not be available
// till ChangeRepresentation completes.
context.Timeout = TimeSpan.Zero;
seekOp.Prepare(context);
var seekTask = seekOp.Execute(context);
context.Timeout = defaultTimeout;
var changeOp = new ChangeRepresentationOperation
{
Index = i,
StreamType = stream
};
var changeTask = changeOp.Execute(context);
await changeTask.WithCancellation(context.Token);
await seekTask.WithTimeout(context.Timeout).WithCancellation(context.Token);
}
}
});
}
public void Seek_EOSReached_StateChangedCompletes(string clipTitle)
{
RunPlayerTest(clipTitle, async context =>
{
var service = context.Service;
context.SeekTime = service.Duration - TimeSpan.FromSeconds(5);
var seekOperation = new SeekOperation();
seekOperation.Prepare(context);
var playbackErrorTask = service.PlaybackError()
.FirstAsync()
.ToTask();
var clipCompletedTask = service.StateChanged()
.AsCompletion()
.Timeout(context.Timeout)
.FirstAsync()
.ToTask();
await await Task.WhenAny(seekOperation.Execute(context), clipCompletedTask, playbackErrorTask);
});
}
