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Merge pull request #180 from Codinlab/CancelTimeout

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Add cancel timeout

Former-commit-id: 47779dce4d
This commit is contained in:
Malte Rosenbjerg 2021-03-05 18:00:38 +01:00 committed by GitHub
commit 4f06258557
2 changed files with 57 additions and 17 deletions
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48
FFMpegCore.Test/VideoTest.cs
View file

@ -12,6 +12,7 @@
using FFMpegCore.Arguments;
using FFMpegCore.Exceptions;
using FFMpegCore.Pipes;
using System.Threading;
namespace FFMpegCore.Test
{
@ -596,24 +597,55 @@ public void Video_TranscodeInMemory()
public async Task Video_Cancel_Async()
{
var outputFile = new TemporaryFile("out.mp4");
var task = FFMpegArguments
.FromFileInput(TestResources.Mp4Video)
.FromFileInput("testsrc2=size=320x240[out0]; sine[out1]", false, args => args
.WithCustomArgument("-re")
.ForceFormat("lavfi"))
.OutputToFile(outputFile, false, opt => opt
.Resize(new Size(1000, 1000))
.WithAudioCodec(AudioCodec.Aac)
.WithVideoCodec(VideoCodec.LibX264)
.WithConstantRateFactor(14)
.WithSpeedPreset(Speed.VerySlow)
.Loop(3))
.WithSpeedPreset(Speed.VeryFast))
.CancellableThrough(out var cancel)
.ProcessAsynchronously(false);
await Task.Delay(300);
cancel();
var result = await task;
Assert.IsFalse(result);
}
[TestMethod, Timeout(10000)]
public async Task Video_Cancel_Async_With_Timeout()
{
var outputFile = new TemporaryFile("out.mp4");
var task = FFMpegArguments
.FromFileInput("testsrc2=size=320x240[out0]; sine[out1]", false, args => args
.WithCustomArgument("-re")
.ForceFormat("lavfi"))
.OutputToFile(outputFile, false, opt => opt
.WithAudioCodec(AudioCodec.Aac)
.WithVideoCodec(VideoCodec.LibX264)
.WithSpeedPreset(Speed.VeryFast))
.CancellableThrough(out var cancel, 10000)
.ProcessAsynchronously(false);
await Task.Delay(300);
cancel();
var result = await task;
var outputInfo = FFProbe.Analyse(outputFile);
Assert.IsTrue(result);
Assert.IsNotNull(outputInfo);
Assert.AreEqual(320, outputInfo.PrimaryVideoStream.Width);
Assert.AreEqual(240, outputInfo.PrimaryVideoStream.Height);
Assert.AreEqual("h264", outputInfo.PrimaryVideoStream.CodecName);
Assert.AreEqual("aac", outputInfo.PrimaryAudioStream.CodecName);
}
}
}

26
FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
View file

@ -27,7 +27,7 @@ internal FFMpegArgumentProcessor(FFMpegArguments ffMpegArguments)
public string Arguments => _ffMpegArguments.Text;
private event EventHandler CancelEvent = null!;
private event EventHandler<int> CancelEvent = null!;
public FFMpegArgumentProcessor NotifyOnProgress(Action<double> onPercentageProgress, TimeSpan totalTimeSpan)
{
@ -45,9 +45,9 @@ public FFMpegArgumentProcessor NotifyOnOutput(Action<string, DataType> onOutput)
_onOutput = onOutput;
return this;
}
public FFMpegArgumentProcessor CancellableThrough(out Action cancel)
public FFMpegArgumentProcessor CancellableThrough(out Action cancel, int timeout = 0)
{
cancel = () => CancelEvent?.Invoke(this, EventArgs.Empty);
cancel = () => CancelEvent?.Invoke(this, timeout);
return this;
}
public bool ProcessSynchronously(bool throwOnError = true)
@ -55,11 +55,15 @@ public bool ProcessSynchronously(bool throwOnError = true)
using var instance = PrepareInstance(out var cancellationTokenSource);
var errorCode = -1;
void OnCancelEvent(object sender, EventArgs args)
void OnCancelEvent(object sender, int timeout)
{
instance.SendInput("q");
cancellationTokenSource.Cancel();
instance.Started = false;
if (!cancellationTokenSource.Token.WaitHandle.WaitOne(timeout, true))
{
cancellationTokenSource.Cancel();
instance.Started = false;
}
}
CancelEvent += OnCancelEvent;
instance.Exited += delegate { cancellationTokenSource.Cancel(); };
@ -102,11 +106,15 @@ public async Task<bool> ProcessAsynchronously(bool throwOnError = true)
using var instance = PrepareInstance(out var cancellationTokenSource);
var errorCode = -1;
void OnCancelEvent(object sender, EventArgs args)
void OnCancelEvent(object sender, int timeout)
{
instance.SendInput("q");
cancellationTokenSource.Cancel();
instance.Started = false;
if (!cancellationTokenSource.Token.WaitHandle.WaitOne(timeout, true))
{
cancellationTokenSource.Cancel();
instance.Started = false;
}
}
CancelEvent += OnCancelEvent;