public void Video_Duration()
{
var video = FFProbe.Analyse(TestResources.Mp4Video);
var outputFile = new TemporaryFile("out.mp4");
FFMpegArguments
.FromFileInput(TestResources.Mp4Video)
.OutputToFile(outputFile, false, opt => opt.WithDuration(TimeSpan.FromSeconds(video.Duration.TotalSeconds - 2)))
.ProcessSynchronously();
Assert.IsTrue(File.Exists(outputFile));
var outputVideo = FFProbe.Analyse(outputFile);
Assert.AreEqual(video.Duration.Days, outputVideo.Duration.Days);
Assert.AreEqual(video.Duration.Hours, outputVideo.Duration.Hours);
Assert.AreEqual(video.Duration.Minutes, outputVideo.Duration.Minutes);
Assert.AreEqual(video.Duration.Seconds - 2, outputVideo.Duration.Seconds);
}
public void Video_OutputsData()
{
var outputFile = new TemporaryFile("out.mp4");
var dataReceived = false;
FFMpegOptions.Configure(opt => opt.Encoding = Encoding.UTF8);
var success = FFMpegArguments
.FromFileInput(TestResources.Mp4Video)
.WithGlobalOptions(options => options
.WithVerbosityLevel(VerbosityLevel.Info))
.OutputToFile(outputFile, false, opt => opt
.WithDuration(TimeSpan.FromSeconds(2)))
.NotifyOnOutput((_, _) => dataReceived = true)
.ProcessSynchronously();
Assert.IsTrue(dataReceived);
Assert.IsTrue(success);
Assert.IsTrue(File.Exists(outputFile));
}
public void Video_ToMP4_Args_Pipe_DifferentImageSizes()
{
using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
var frames = new List <IVideoFrame>
{
BitmapSource.CreateVideoFrame(0, System.Drawing.Imaging.PixelFormat.Format24bppRgb, 255, 255, 1, 0),
BitmapSource.CreateVideoFrame(0, System.Drawing.Imaging.PixelFormat.Format24bppRgb, 256, 256, 1, 0)
};
var videoFramesSource = new RawVideoPipeSource(frames);
var ex = Assert.ThrowsException <FFMpegException>(() => FFMpegArguments
.FromPipeInput(videoFramesSource)
.OutputToFile(outputFile, false, opt => opt
.WithVideoCodec(VideoCodec.LibX264))
.ProcessSynchronously());
Assert.IsInstanceOfType(ex.GetBaseException(), typeof(FFMpegStreamFormatException));
}
public void Audio_ToAAC_Args_Pipe_ValidDefaultConfiguration()
{
using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
var samples = new List <IAudioSample>
{
new PcmAudioSampleWrapper(new byte[] { 0, 0 }),
new PcmAudioSampleWrapper(new byte[] { 0, 0 }),
};
var audioSamplesSource = new RawAudioPipeSource(samples);
var success = FFMpegArguments
.FromPipeInput(audioSamplesSource)
.OutputToFile(outputFile, false, opt => opt
.WithAudioCodec(AudioCodec.Aac))
.ProcessSynchronously();
Assert.IsTrue(success);
}
public void ConvertFromPipe(ContainerFormat type, System.Drawing.Imaging.PixelFormat fmt, params IArgument[] arguments)
{
using var outputFile = new TemporaryFile($"out{type.Extension}");
var videoFramesSource = new RawVideoPipeSource(BitmapSource.CreateBitmaps(128, fmt, 256, 256));
var processor = FFMpegArguments.FromPipeInput(videoFramesSource).OutputToFile(outputFile, false, opt =>
{
foreach (var arg in arguments)
{
opt.WithArgument(arg);
}
});
var scaling = arguments.OfType <ScaleArgument>().FirstOrDefault();
processor.ProcessSynchronously();
var outputVideo = FFProbe.Analyse(outputFile);
Assert.IsTrue(File.Exists(outputFile));
if (scaling?.Size == null)
{
Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, videoFramesSource.Width);
Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, videoFramesSource.Height);
}
else
{
if (scaling.Size.Value.Width != -1)
{
Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, scaling.Size.Value.Width);
}
if (scaling.Size.Value.Height != -1)
{
Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, scaling.Size.Value.Height);
}
Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Width, videoFramesSource.Width);
Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Height, videoFramesSource.Height);
}
}
public bool Convert(ContainerFormat type, bool multithreaded = false, VideoSize size = VideoSize.Original)
{
using var outputFile = new TemporaryFile($"out{type.Extension}");
var input = FFProbe.Analyse(TestResources.Mp4Video);
FFMpeg.Convert(input, outputFile, type, size: size, multithreaded: multithreaded);
var outputVideo = FFProbe.Analyse(outputFile);
Assert.IsTrue(File.Exists(outputFile));
Assert.AreEqual(outputVideo.Duration.TotalSeconds, input.Duration.TotalSeconds, 0.1);
if (size == VideoSize.Original)
{
Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
}
else
{
Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, (int)size);
}
return(File.Exists(outputFile) &&
outputVideo.Duration == input.Duration &&
(
(
size == VideoSize.Original &&
outputVideo.PrimaryVideoStream.Width == input.PrimaryVideoStream.Width &&
outputVideo.PrimaryVideoStream.Height == input.PrimaryVideoStream.Height
) ||
(
size != VideoSize.Original &&
outputVideo.PrimaryVideoStream.Width != input.PrimaryVideoStream.Width &&
outputVideo.PrimaryVideoStream.Height != input.PrimaryVideoStream.Height &&
outputVideo.PrimaryVideoStream.Height == (int)size
)
));
}
public void Video_Join()
{
var inputCopy = new TemporaryFile("copy-input.mp4");
File.Copy(TestResources.Mp4Video, inputCopy);
var outputPath = new TemporaryFile("out.mp4");
var input = FFProbe.Analyse(TestResources.Mp4Video);
var success = FFMpeg.Join(outputPath, TestResources.Mp4Video, inputCopy);
Assert.IsTrue(success);
Assert.IsTrue(File.Exists(outputPath));
var expectedDuration = input.Duration * 2;
var result = FFProbe.Analyse(outputPath);
Assert.AreEqual(expectedDuration.Days, result.Duration.Days);
Assert.AreEqual(expectedDuration.Hours, result.Duration.Hours);
Assert.AreEqual(expectedDuration.Minutes, result.Duration.Minutes);
Assert.AreEqual(expectedDuration.Seconds, result.Duration.Seconds);
Assert.AreEqual(input.PrimaryVideoStream.Height, result.PrimaryVideoStream.Height);
Assert.AreEqual(input.PrimaryVideoStream.Width, result.PrimaryVideoStream.Width);
}
public async Task Video_Cancel_Async()
{
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)
.ProcessAsynchronously(false);
await Task.Delay(300);
cancel();
var result = await task;
Assert.IsFalse(result);
}
public async Task Video_Cancel_Async()
{
var outputFile = new TemporaryFile("out.mp4");
var task = FFMpegArguments
.FromFileInput(TestResources.Mp4Video)
.OutputToFile(outputFile, false, opt => opt
.Resize(new Size(1000, 1000))
.WithAudioCodec(AudioCodec.Aac)
.WithVideoCodec(VideoCodec.LibX264)
.WithConstantRateFactor(14)
.WithSpeedPreset(Speed.VerySlow)
.Loop(3))
.CancellableThrough(out var cancel)
.ProcessAsynchronously(false);
await Task.Delay(300);
cancel();
var result = await task;
Assert.IsFalse(result);
}
public void Video_UpdatesProgress()
{
var outputFile = new TemporaryFile("out.mp4");
var percentageDone = 0.0;
var timeDone = TimeSpan.Zero;
void OnPercentageProgess(double percentage) => percentageDone = percentage;
void OnTimeProgess(TimeSpan time) => timeDone = time;
var analysis = FFProbe.Analyse(TestResources.Mp4Video);
var success = FFMpegArguments
.FromFileInput(TestResources.Mp4Video)
.OutputToFile(outputFile, false, opt => opt
.WithDuration(TimeSpan.FromSeconds(2)))
.NotifyOnProgress(OnPercentageProgess, analysis.Duration)
.NotifyOnProgress(OnTimeProgess)
.ProcessSynchronously();
Assert.IsTrue(success);
Assert.IsTrue(File.Exists(outputFile));
Assert.AreNotEqual(0.0, percentageDone);
Assert.AreNotEqual(TimeSpan.Zero, timeDone);
}
