FFMpegCore.Extensions.SkiaSharp/FFMpegImage.cs

@@ -39,21 +39,18 @@ public static class FFMpegImage
     /// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
     /// <param name="streamIndex">Selected video stream index.</param>
     /// <param name="inputFileIndex">Input file index</param>
-    /// <param name="cancellationToken">Cancellation token</param>
     /// <returns>Bitmap with the requested snapshot.</returns>
     public static async Task<SKBitmap> SnapshotAsync(string input, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null,
-        int inputFileIndex = 0, CancellationToken cancellationToken = default)
+        int inputFileIndex = 0)
     {
-        var source = await FFProbe.AnalyseAsync(input, cancellationToken: cancellationToken).ConfigureAwait(false);
+        var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
         var (arguments, outputOptions) = SnapshotArgumentBuilder.BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
         using var ms = new MemoryStream();
 
         await arguments
             .OutputToPipe(new StreamPipeSink(ms), options => outputOptions(options
                 .ForceFormat("rawvideo")))
-            .CancellableThrough(cancellationToken)
+            .ProcessAsynchronously();
-            .ProcessAsynchronously()
-            .ConfigureAwait(false);
 
         ms.Position = 0;
         return SKBitmap.Decode(ms);

FFMpegCore.Extensions.System.Drawing.Common/FFMpegImage.cs

@@ -38,21 +38,18 @@ public static class FFMpegImage
     /// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
     /// <param name="streamIndex">Selected video stream index.</param>
     /// <param name="inputFileIndex">Input file index</param>
-    /// <param name="cancellationToken">Cancellation token</param>
     /// <returns>Bitmap with the requested snapshot.</returns>
     public static async Task<Bitmap> SnapshotAsync(string input, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null,
-        int inputFileIndex = 0, CancellationToken cancellationToken = default)
+        int inputFileIndex = 0)
     {
-        var source = await FFProbe.AnalyseAsync(input, cancellationToken: cancellationToken).ConfigureAwait(false);
+        var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
         var (arguments, outputOptions) = SnapshotArgumentBuilder.BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
         using var ms = new MemoryStream();
 
         await arguments
             .OutputToPipe(new StreamPipeSink(ms), options => outputOptions(options
                 .ForceFormat("rawvideo")))
-            .CancellableThrough(cancellationToken)
+            .ProcessAsynchronously();
-            .ProcessAsynchronously()
-            .ConfigureAwait(false);
 
         ms.Position = 0;
         return new Bitmap(ms);

FFMpegCore.Test/AudioTest.cs

@@ -9,10 +9,6 @@ namespace FFMpegCore.Test;
 [TestClass]
 public class AudioTest
 {
-    private const int BaseTimeoutMilliseconds = 30_000;
-
-    public TestContext TestContext { get; set; }
-
     [TestMethod]
     public void Audio_Remove()
     {
@@ -45,7 +41,6 @@ public class AudioTest
         await FFMpegArguments
             .FromPipeInput(new StreamPipeSource(file), options => options.ForceFormat("s16le"))
             .OutputToPipe(new StreamPipeSink(memoryStream), options => options.ForceFormat("mp3"))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessAsynchronously();
     }
 
@@ -75,7 +70,7 @@ public class AudioTest
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_ToAAC_Args_Pipe()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -88,13 +83,12 @@ public class AudioTest
             .FromPipeInput(audioSamplesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithAudioCodec(AudioCodec.Aac))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_ToLibVorbis_Args_Pipe()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -107,13 +101,12 @@ public class AudioTest
             .FromPipeInput(audioSamplesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithAudioCodec(AudioCodec.LibVorbis))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public async Task Audio_ToAAC_Args_Pipe_Async()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -126,13 +119,12 @@ public class AudioTest
             .FromPipeInput(audioSamplesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithAudioCodec(AudioCodec.Aac))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessAsynchronously();
         Assert.IsTrue(success);
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_ToAAC_Args_Pipe_ValidDefaultConfiguration()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -145,13 +137,12 @@ public class AudioTest
             .FromPipeInput(audioSamplesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithAudioCodec(AudioCodec.Aac))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_ToAAC_Args_Pipe_InvalidChannels()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -162,12 +153,11 @@ public class AudioTest
             .FromPipeInput(audioSamplesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithAudioCodec(AudioCodec.Aac))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously());
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_ToAAC_Args_Pipe_InvalidFormat()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -178,12 +168,11 @@ public class AudioTest
             .FromPipeInput(audioSamplesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithAudioCodec(AudioCodec.Aac))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously());
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_ToAAC_Args_Pipe_InvalidSampleRate()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -194,12 +183,11 @@ public class AudioTest
             .FromPipeInput(audioSamplesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithAudioCodec(AudioCodec.Aac))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously());
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_Pan_ToMono()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -208,7 +196,6 @@ public class AudioTest
             .OutputToFile(outputFile, true,
                 argumentOptions => argumentOptions
                     .WithAudioFilters(filter => filter.Pan(1, "c0 < 0.9 * c0 + 0.1 * c1")))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         var mediaAnalysis = FFProbe.Analyse(outputFile);
@@ -219,7 +206,7 @@ public class AudioTest
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_Pan_ToMonoNoDefinitions()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -228,7 +215,6 @@ public class AudioTest
             .OutputToFile(outputFile, true,
                 argumentOptions => argumentOptions
                     .WithAudioFilters(filter => filter.Pan(1)))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         var mediaAnalysis = FFProbe.Analyse(outputFile);
@@ -239,7 +225,7 @@ public class AudioTest
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_Pan_ToMonoChannelsToOutputDefinitionsMismatch()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -248,12 +234,11 @@ public class AudioTest
             .OutputToFile(outputFile, true,
                 argumentOptions => argumentOptions
                     .WithAudioFilters(filter => filter.Pan(1, "c0=c0", "c1=c1")))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously());
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_Pan_ToMonoChannelsLayoutToOutputDefinitionsMismatch()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -262,12 +247,11 @@ public class AudioTest
             .OutputToFile(outputFile, true,
                 argumentOptions => argumentOptions
                     .WithAudioFilters(filter => filter.Pan("mono", "c0=c0", "c1=c1")))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously());
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_DynamicNormalizer_WithDefaultValues()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -276,14 +260,13 @@ public class AudioTest
             .OutputToFile(outputFile, true,
                 argumentOptions => argumentOptions
                     .WithAudioFilters(filter => filter.DynamicNormalizer()))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         Assert.IsTrue(success);
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     public void Audio_DynamicNormalizer_WithNonDefaultValues()
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
@@ -292,14 +275,13 @@ public class AudioTest
             .OutputToFile(outputFile, true,
                 argumentOptions => argumentOptions
                     .WithAudioFilters(filter => filter.DynamicNormalizer(250, 7, 0.9, 2, 1, false, true, true, 0.5)))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         Assert.IsTrue(success);
     }
 
     [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
+    [Timeout(10000, CooperativeCancellation = true)]
     [DataRow(2)]
     [DataRow(32)]
     [DataRow(8)]
@@ -312,7 +294,6 @@ public class AudioTest
             .OutputToFile(outputFile, true,
                 argumentOptions => argumentOptions
                     .WithAudioFilters(filter => filter.DynamicNormalizer(filterWindow: filterWindow)))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously());
     }
 }

FFMpegCore.Test/FFProbeTests.cs

@@ -1,6 +1,4 @@
-using FFMpegCore.Exceptions;
+using FFMpegCore.Test.Resources;
-using FFMpegCore.Helpers;
-using FFMpegCore.Test.Resources;
 
 namespace FFMpegCore.Test;
 
@@ -287,68 +285,4 @@ public class FFProbeTests
         var info = FFProbe.Analyse(TestResources.Mp4Video, customArguments: "-headers \"Hello: World\"");
         Assert.AreEqual(3, info.Duration.Seconds);
     }
-
-    [TestMethod]
-    [Timeout(10000, CooperativeCancellation = true)]
-    public async Task Parallel_FFProbe_Cancellation_Should_Throw_Only_OperationCanceledException()
-    {
-        // Warm up FFMpegCore environment
-        FFProbeHelper.VerifyFFProbeExists(GlobalFFOptions.Current);
-
-        var mp4 = TestResources.Mp4Video;
-        if (!File.Exists(mp4))
-        {
-            Assert.Inconclusive($"Test video not found: {mp4}");
-            return;
-        }
-
-        using var cts = CancellationTokenSource.CreateLinkedTokenSource(TestContext.CancellationToken);
-        using var semaphore = new SemaphoreSlim(Environment.ProcessorCount, Environment.ProcessorCount);
-        var tasks = Enumerable.Range(0, 50).Select(x => Task.Run(async () =>
-        {
-            await semaphore.WaitAsync(cts.Token);
-            try
-            {
-                var analysis = await FFProbe.AnalyseAsync(mp4, cancellationToken: cts.Token);
-                return analysis;
-            }
-            finally
-            {
-                semaphore.Release();
-            }
-        }, cts.Token)).ToList();
-
-        // Wait for 2 tasks to finish, then cancel all
-        await Task.WhenAny(tasks);
-        await Task.WhenAny(tasks);
-        await cts.CancelAsync();
-
-        var exceptions = new List<Exception>();
-        foreach (var task in tasks)
-        {
-            try
-            {
-                await task;
-            }
-            catch (Exception e)
-            {
-                exceptions.Add(e);
-            }
-        }
-
-        Assert.IsNotEmpty(exceptions, "No exceptions were thrown on cancellation. Test was useless. " +
-                                      ".Try adjust cancellation timings to make cancellation at the moment, when ffprobe is still running.");
-
-        // Check that all exceptions are OperationCanceledException
-        CollectionAssert.AllItemsAreInstancesOfType(exceptions, typeof(OperationCanceledException));
-    }
-
-    [TestMethod]
-    [Timeout(10000, CooperativeCancellation = true)]
-    public async Task FFProbe_Should_Throw_FFMpegException_When_Exits_With_Non_Zero_Code()
-    {
-        var input = TestResources.SrtSubtitle; //non media file
-        await Assert.ThrowsAsync<FFMpegException>(async () => await FFProbe.AnalyseAsync(input,
-            cancellationToken: TestContext.CancellationToken, customArguments: "--some-invalid-argument"));
-    }
 }

FFMpegCore.Test/VideoTest.cs

@@ -17,7 +17,7 @@ namespace FFMpegCore.Test;
 [TestClass]
 public class VideoTest
 {
-    private const int BaseTimeoutMilliseconds = 60_000;
+    private const int BaseTimeoutMilliseconds = 15_000;
 
     public TestContext TestContext { get; set; }
 
@@ -30,7 +30,6 @@ public class VideoTest
         var success = FFMpegArguments
             .FromFileInput(TestResources.WebmVideo)
             .OutputToFile(outputFile, false)
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -44,7 +43,6 @@ public class VideoTest
         var success = FFMpegArguments
             .FromFileInput(TestResources.WebmVideo)
             .OutputToFile(outputFile, false)
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -60,7 +58,6 @@ public class VideoTest
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264)
                 .ForcePixelFormat("yuv444p"))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
         var analysis = FFProbe.Analyse(outputFile);
@@ -77,45 +74,10 @@ public class VideoTest
             .FromFileInput(TestResources.WebmVideo)
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
 
-    [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
-    public async Task Video_MetadataBuilder()
-    {
-        using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
-
-        await FFMpegArguments
-            .FromFileInput(TestResources.WebmVideo)
-            .AddMetaData(FFMetadataBuilder.Empty()
-                .WithTag("title", "noname")
-                .WithTag("artist", "unknown")
-                .WithChapter("Chapter 1", 1.1)
-                .WithChapter("Chapter 2", 1.23))
-            .OutputToFile(outputFile, false, opt => opt
-                .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(TestContext.CancellationToken)
-            .ProcessAsynchronously();
-
-        var analysis = await FFProbe.AnalyseAsync(outputFile, cancellationToken: TestContext.CancellationToken);
-        Assert.IsTrue(analysis.Format.Tags!.TryGetValue("title", out var title));
-        Assert.IsTrue(analysis.Format.Tags!.TryGetValue("artist", out var artist));
-        Assert.AreEqual("noname", title);
-        Assert.AreEqual("unknown", artist);
-
-        Assert.HasCount(2, analysis.Chapters);
-        Assert.AreEqual("Chapter 1", analysis.Chapters.First().Title);
-        Assert.AreEqual(1.1, analysis.Chapters.First().Duration.TotalSeconds);
-        Assert.AreEqual(1.1, analysis.Chapters.First().End.TotalSeconds);
-
-        Assert.AreEqual("Chapter 2", analysis.Chapters.Last().Title);
-        Assert.AreEqual(1.23, analysis.Chapters.Last().Duration.TotalSeconds);
-        Assert.AreEqual(1.1 + 1.23, analysis.Chapters.Last().End.TotalSeconds);
-    }
-
     [TestMethod]
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public void Video_ToH265_MKV_Args()
@@ -126,7 +88,6 @@ public class VideoTest
             .FromFileInput(TestResources.WebmVideo)
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX265))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -138,7 +99,7 @@ public class VideoTest
     [DataRow(PixelFormat.Format32bppArgb)]
     public void Video_ToMP4_Args_Pipe_WindowsOnly(PixelFormat pixelFormat)
     {
-        Video_ToMP4_Args_Pipe_Internal(pixelFormat, TestContext.CancellationToken);
+        Video_ToMP4_Args_Pipe_Internal(pixelFormat);
     }
 
     [TestMethod]
@@ -147,10 +108,10 @@ public class VideoTest
     [DataRow(SKColorType.Bgra8888)]
     public void Video_ToMP4_Args_Pipe(SKColorType pixelFormat)
     {
-        Video_ToMP4_Args_Pipe_Internal(pixelFormat, TestContext.CancellationToken);
+        Video_ToMP4_Args_Pipe_Internal(pixelFormat);
     }
 
-    private static void Video_ToMP4_Args_Pipe_Internal(dynamic pixelFormat, CancellationToken cancellationToken)
+    private static void Video_ToMP4_Args_Pipe_Internal(dynamic pixelFormat)
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
 
@@ -159,7 +120,6 @@ public class VideoTest
             .FromPipeInput(videoFramesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(cancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -169,17 +129,17 @@ public class VideoTest
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public void Video_ToMP4_Args_Pipe_DifferentImageSizes_WindowsOnly()
     {
-        Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(PixelFormat.Format24bppRgb, TestContext.CancellationToken);
+        Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(PixelFormat.Format24bppRgb);
     }
 
     [TestMethod]
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public void Video_ToMP4_Args_Pipe_DifferentImageSizes()
     {
-        Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(SKColorType.Rgb565, TestContext.CancellationToken);
+        Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(SKColorType.Rgb565);
     }
 
-    private static void Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(dynamic pixelFormat, CancellationToken cancellationToken)
+    private static void Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(dynamic pixelFormat)
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
 
@@ -193,7 +153,6 @@ public class VideoTest
             .FromPipeInput(videoFramesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(cancellationToken)
             .ProcessSynchronously());
     }
 
@@ -202,17 +161,17 @@ public class VideoTest
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public async Task Video_ToMP4_Args_Pipe_DifferentImageSizes_WindowsOnly_Async()
     {
-        await Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(PixelFormat.Format24bppRgb, TestContext.CancellationToken);
+        await Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(PixelFormat.Format24bppRgb);
     }
 
     [TestMethod]
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public async Task Video_ToMP4_Args_Pipe_DifferentImageSizes_Async()
     {
-        await Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(SKColorType.Rgb565, TestContext.CancellationToken);
+        await Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(SKColorType.Rgb565);
     }
 
-    private static async Task Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(dynamic pixelFormat, CancellationToken cancellationToken)
+    private static async Task Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(dynamic pixelFormat)
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
 
@@ -226,7 +185,6 @@ public class VideoTest
             .FromPipeInput(videoFramesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(cancellationToken)
             .ProcessAsynchronously());
     }
 
@@ -236,18 +194,17 @@ public class VideoTest
     public void Video_ToMP4_Args_Pipe_DifferentPixelFormats_WindowsOnly()
     {
         Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal(PixelFormat.Format24bppRgb,
-            PixelFormat.Format32bppRgb, TestContext.CancellationToken);
+            PixelFormat.Format32bppRgb);
     }
 
     [TestMethod]
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public void Video_ToMP4_Args_Pipe_DifferentPixelFormats()
     {
-        Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal(SKColorType.Rgb565, SKColorType.Bgra8888, TestContext.CancellationToken);
+        Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal(SKColorType.Rgb565, SKColorType.Bgra8888);
     }
 
-    private static void Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal(dynamic pixelFormatFrame1, dynamic pixelFormatFrame2,
+    private static void Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal(dynamic pixelFormatFrame1, dynamic pixelFormatFrame2)
-        CancellationToken cancellationToken)
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
 
@@ -261,7 +218,6 @@ public class VideoTest
             .FromPipeInput(videoFramesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(cancellationToken)
             .ProcessSynchronously());
     }
 
@@ -271,18 +227,17 @@ public class VideoTest
     public async Task Video_ToMP4_Args_Pipe_DifferentPixelFormats_WindowsOnly_Async()
     {
         await Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal_Async(PixelFormat.Format24bppRgb,
-            PixelFormat.Format32bppRgb, TestContext.CancellationToken);
+            PixelFormat.Format32bppRgb);
     }
 
     [TestMethod]
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public async Task Video_ToMP4_Args_Pipe_DifferentPixelFormats_Async()
     {
-        await Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal_Async(SKColorType.Rgb565, SKColorType.Bgra8888, TestContext.CancellationToken);
+        await Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal_Async(SKColorType.Rgb565, SKColorType.Bgra8888);
     }
 
-    private static async Task Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal_Async(dynamic pixelFormatFrame1, dynamic pixelFormatFrame2,
+    private static async Task Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal_Async(dynamic pixelFormatFrame1, dynamic pixelFormatFrame2)
-        CancellationToken cancellationToken)
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
 
@@ -296,7 +251,6 @@ public class VideoTest
             .FromPipeInput(videoFramesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(cancellationToken)
             .ProcessAsynchronously());
     }
 
@@ -311,7 +265,6 @@ public class VideoTest
             .FromPipeInput(new StreamPipeSource(input))
             .OutputToFile(output, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -327,7 +280,6 @@ public class VideoTest
             await FFMpegArguments
                 .FromFileInput(TestResources.Mp4Video)
                 .OutputToPipe(pipeSource, opt => opt.ForceFormat("mp4"))
-                .CancellableThrough(TestContext.CancellationToken)
                 .ProcessAsynchronously();
         });
     }
@@ -343,7 +295,6 @@ public class VideoTest
                 .ForceFormat("webm"))
             .OutputToPipe(new StreamPipeSink(output), opt => opt
                 .ForceFormat("mpegts"))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         output.Position = 0;
@@ -362,7 +313,6 @@ public class VideoTest
                 .FromFileInput(TestResources.Mp4Video)
                 .OutputToPipe(new StreamPipeSink(ms), opt => opt
                     .ForceFormat("mkv"))
-                .CancellableThrough(TestContext.CancellationToken)
                 .ProcessSynchronously();
         });
     }
@@ -378,7 +328,6 @@ public class VideoTest
             .OutputToPipe(pipeSource, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264)
                 .ForceFormat("matroska"))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessAsynchronously();
     }
 
@@ -389,13 +338,11 @@ public class VideoTest
         FFMpegArguments
             .FromFileInput(TestResources.Mp4Video)
             .OutputToFile("temporary.mp4")
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         await FFMpegArguments
             .FromFileInput(TestResources.Mp4Video)
             .OutputToFile("temporary.mp4")
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessAsynchronously();
 
         File.Delete("temporary.mp4");
@@ -411,7 +358,6 @@ public class VideoTest
             .OutputToPipe(new StreamPipeSink(output), opt => opt
                 .WithVideoCodec(VideoCodec.LibVpx)
                 .ForceFormat("matroska"))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
 
@@ -430,7 +376,6 @@ public class VideoTest
         var success = FFMpegArguments
             .FromFileInput(TestResources.Mp4Video)
             .OutputToFile(outputFile, false)
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -447,7 +392,6 @@ public class VideoTest
                 .CopyChannel()
                 .WithBitStreamFilter(Channel.Video, Filter.H264_Mp4ToAnnexB)
                 .ForceFormat(VideoType.MpegTs))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -459,7 +403,7 @@ public class VideoTest
     [DataRow(PixelFormat.Format32bppArgb)]
     public async Task Video_ToTS_Args_Pipe_WindowsOnly(PixelFormat pixelFormat)
     {
-        await Video_ToTS_Args_Pipe_Internal(pixelFormat, TestContext.CancellationToken);
+        await Video_ToTS_Args_Pipe_Internal(pixelFormat);
     }
 
     [TestMethod]
@@ -468,10 +412,10 @@ public class VideoTest
     [DataRow(SKColorType.Bgra8888)]
     public async Task Video_ToTS_Args_Pipe(SKColorType pixelFormat)
     {
-        await Video_ToTS_Args_Pipe_Internal(pixelFormat, TestContext.CancellationToken);
+        await Video_ToTS_Args_Pipe_Internal(pixelFormat);
     }
 
-    private static async Task Video_ToTS_Args_Pipe_Internal(dynamic pixelFormat, CancellationToken cancellationToken)
+    private static async Task Video_ToTS_Args_Pipe_Internal(dynamic pixelFormat)
     {
         using var output = new TemporaryFile($"out{VideoType.Ts.Extension}");
         var input = new RawVideoPipeSource(BitmapSource.CreateBitmaps(128, pixelFormat, 256, 256));
@@ -480,7 +424,6 @@ public class VideoTest
             .FromPipeInput(input)
             .OutputToFile(output, false, opt => opt
                 .ForceFormat(VideoType.Ts))
-            .CancellableThrough(cancellationToken)
             .ProcessAsynchronously();
         Assert.IsTrue(success);
 
@@ -498,7 +441,6 @@ public class VideoTest
             .OutputToFile(outputFile, false, opt => opt
                 .Resize(200, 200)
                 .WithVideoCodec(VideoCodec.LibTheora))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessAsynchronously();
         Assert.IsTrue(success);
     }
@@ -519,7 +461,6 @@ public class VideoTest
                 .WithVideoFilters(filterOptions => filterOptions
                     .Scale(VideoSize.Ed))
                 .WithVideoCodec(VideoCodec.LibTheora))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         var analysis = FFProbe.Analyse(outputFile);
@@ -537,7 +478,6 @@ public class VideoTest
             .OutputToFile(outputFile, false, opt => opt
                 .UsingMultithreading(true)
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -550,7 +490,7 @@ public class VideoTest
     // [DataRow(PixelFormat.Format48bppRgb)]
     public void Video_ToMP4_Resize_Args_Pipe(PixelFormat pixelFormat)
     {
-        Video_ToMP4_Resize_Args_Pipe_Internal(pixelFormat, TestContext.CancellationToken);
+        Video_ToMP4_Resize_Args_Pipe_Internal(pixelFormat);
     }
 
     [TestMethod]
@@ -559,10 +499,10 @@ public class VideoTest
     [DataRow(SKColorType.Bgra8888)]
     public void Video_ToMP4_Resize_Args_Pipe(SKColorType pixelFormat)
     {
-        Video_ToMP4_Resize_Args_Pipe_Internal(pixelFormat, TestContext.CancellationToken);
+        Video_ToMP4_Resize_Args_Pipe_Internal(pixelFormat);
     }
 
-    private static void Video_ToMP4_Resize_Args_Pipe_Internal(dynamic pixelFormat, CancellationToken cancellationToken)
+    private static void Video_ToMP4_Resize_Args_Pipe_Internal(dynamic pixelFormat)
     {
         using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
         var videoFramesSource = new RawVideoPipeSource(BitmapSource.CreateBitmaps(128, pixelFormat, 256, 256));
@@ -571,7 +511,6 @@ public class VideoTest
             .FromPipeInput(videoFramesSource)
             .OutputToFile(outputFile, false, opt => opt
                 .WithVideoCodec(VideoCodec.LibX264))
-            .CancellableThrough(cancellationToken)
             .ProcessSynchronously();
         Assert.IsTrue(success);
     }
@@ -732,8 +671,7 @@ public class VideoTest
         using var outputPath = new TemporaryFile("out.gif");
         var input = FFProbe.Analyse(TestResources.Mp4Video);
 
-        await FFMpeg.GifSnapshotAsync(TestResources.Mp4Video, outputPath, captureTime: TimeSpan.FromSeconds(0),
+        await FFMpeg.GifSnapshotAsync(TestResources.Mp4Video, outputPath, captureTime: TimeSpan.FromSeconds(0));
-            cancellationToken: TestContext.CancellationToken);
 
         var analysis = FFProbe.Analyse(outputPath);
         Assert.AreNotEqual(input.PrimaryVideoStream!.Width, analysis.PrimaryVideoStream!.Width);
@@ -749,8 +687,7 @@ public class VideoTest
         var input = FFProbe.Analyse(TestResources.Mp4Video);
         var desiredGifSize = new Size(320, 240);
 
-        await FFMpeg.GifSnapshotAsync(TestResources.Mp4Video, outputPath, desiredGifSize, TimeSpan.FromSeconds(0),
+        await FFMpeg.GifSnapshotAsync(TestResources.Mp4Video, outputPath, desiredGifSize, TimeSpan.FromSeconds(0));
-            cancellationToken: TestContext.CancellationToken);
 
         var analysis = FFProbe.Analyse(outputPath);
         Assert.AreNotEqual(input.PrimaryVideoStream!.Width, desiredGifSize.Width);
@@ -802,7 +739,7 @@ public class VideoTest
         Assert.IsTrue(success);
         var result = FFProbe.Analyse(outputFile);
 
-        Assert.AreEqual(3, result.Duration.Seconds);
+        Assert.AreEqual(1, result.Duration.Seconds);
         Assert.AreEqual(imageAnalysis.PrimaryVideoStream!.Width, result.PrimaryVideoStream!.Width);
         Assert.AreEqual(imageAnalysis.PrimaryVideoStream!.Height, result.PrimaryVideoStream.Height);
     }
@@ -827,7 +764,6 @@ public class VideoTest
         FFMpegArguments
             .FromFileInput(TestResources.Mp4Video)
             .OutputToFile(outputFile, false, opt => opt.WithDuration(TimeSpan.FromSeconds(video.Duration.TotalSeconds - 2)))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         Assert.IsTrue(File.Exists(outputFile));
@@ -849,13 +785,13 @@ public class VideoTest
         var timeDone = TimeSpan.Zero;
         var analysis = FFProbe.Analyse(TestResources.Mp4Video);
 
-        var events = new List<double>();
-
         void OnPercentageProgess(double percentage)
         {
-            events.Add(percentage);
+            if (percentage < 100)
+            {
                 percentageDone = percentage;
             }
+        }
 
         void OnTimeProgess(TimeSpan time)
         {
@@ -871,16 +807,12 @@ public class VideoTest
                 .WithDuration(analysis.Duration))
             .NotifyOnProgress(OnPercentageProgess, analysis.Duration)
             .NotifyOnProgress(OnTimeProgess)
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         Assert.IsTrue(success);
         Assert.IsTrue(File.Exists(outputFile));
         Assert.AreNotEqual(0.0, percentageDone);
-        Assert.IsGreaterThan(1, events.Count);
+        Assert.AreNotEqual(100.0, percentageDone);
-        CollectionAssert.AllItemsAreUnique(events);
-        Assert.AreNotEqual(100.0, events.First());
-        Assert.AreEqual(100.0, events.Last(), 0.001);
         Assert.AreNotEqual(TimeSpan.Zero, timeDone);
         Assert.AreNotEqual(analysis.Duration, timeDone);
     }
@@ -900,7 +832,6 @@ public class VideoTest
                 .WithDuration(TimeSpan.FromSeconds(2)))
             .NotifyOnError(_ => dataReceived = true)
             .Configure(opt => opt.Encoding = Encoding.UTF8)
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         Assert.IsTrue(dataReceived);
@@ -913,17 +844,17 @@ public class VideoTest
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public void Video_TranscodeInMemory_WindowsOnly()
     {
-        Video_TranscodeInMemory_Internal(PixelFormat.Format24bppRgb, TestContext.CancellationToken);
+        Video_TranscodeInMemory_Internal(PixelFormat.Format24bppRgb);
     }
 
     [TestMethod]
     [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
     public void Video_TranscodeInMemory()
     {
-        Video_TranscodeInMemory_Internal(SKColorType.Rgb565, TestContext.CancellationToken);
+        Video_TranscodeInMemory_Internal(SKColorType.Rgb565);
     }
 
-    private static void Video_TranscodeInMemory_Internal(dynamic pixelFormat, CancellationToken cancellationToken)
+    private static void Video_TranscodeInMemory_Internal(dynamic pixelFormat)
     {
         using var resStream = new MemoryStream();
         var reader = new StreamPipeSink(resStream);
@@ -934,7 +865,6 @@ public class VideoTest
             .OutputToPipe(reader, opt => opt
                 .WithVideoCodec("vp9")
                 .ForceFormat("webm"))
-            .CancellableThrough(cancellationToken)
             .ProcessSynchronously();
 
         resStream.Position = 0;
@@ -954,7 +884,6 @@ public class VideoTest
             .OutputToPipe(new StreamPipeSink(memoryStream), opt => opt
                 .WithVideoCodec("vp9")
                 .ForceFormat("webm"))
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessSynchronously();
 
         memoryStream.Position = 0;
@@ -978,8 +907,6 @@ public class VideoTest
                 .WithVideoCodec(VideoCodec.LibX264)
                 .WithSpeedPreset(Speed.VeryFast))
             .CancellableThrough(out var cancel)
-            .CancellableThrough(TestContext.CancellationToken)
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessAsynchronously(false);
 
         await Task.Delay(300, TestContext.CancellationToken);
@@ -1003,13 +930,11 @@ public class VideoTest
                 .WithAudioCodec(AudioCodec.Aac)
                 .WithVideoCodec(VideoCodec.LibX264)
                 .WithSpeedPreset(Speed.VeryFast))
-            .CancellableThrough(out var cancel)
+            .CancellableThrough(out var cancel);
-            .CancellableThrough(TestContext.CancellationToken);
 
         Task.Delay(300, TestContext.CancellationToken).ContinueWith(_ => cancel(), TestContext.CancellationToken);
 
-        var result = task.CancellableThrough(TestContext.CancellationToken)
+        var result = task.ProcessSynchronously(false);
-            .ProcessSynchronously(false);
 
         Assert.IsFalse(result);
     }
@@ -1029,7 +954,6 @@ public class VideoTest
                 .WithVideoCodec(VideoCodec.LibX264)
                 .WithSpeedPreset(Speed.VeryFast))
             .CancellableThrough(out var cancel, 10000)
-            .CancellableThrough(TestContext.CancellationToken)
             .ProcessAsynchronously(false);
 
         await Task.Delay(300, TestContext.CancellationToken);
@@ -1052,7 +976,7 @@ public class VideoTest
     {
         using var outputFile = new TemporaryFile("out.mp4");
 
-        using var cts = CancellationTokenSource.CreateLinkedTokenSource(TestContext.CancellationToken);
+        var cts = new CancellationTokenSource();
 
         var task = FFMpegArguments
             .FromFileInput("testsrc2=size=320x240[out0]; sine[out1]", false, args => args
@@ -1078,7 +1002,7 @@ public class VideoTest
     {
         using var outputFile = new TemporaryFile("out.mp4");
 
-        using var cts = CancellationTokenSource.CreateLinkedTokenSource(TestContext.CancellationToken);
+        var cts = new CancellationTokenSource();
 
         var task = FFMpegArguments
             .FromFileInput("testsrc2=size=320x240[out0]; sine[out1]", false, args => args
@@ -1102,7 +1026,7 @@ public class VideoTest
     {
         using var outputFile = new TemporaryFile("out.mp4");
 
-        using var cts = CancellationTokenSource.CreateLinkedTokenSource(TestContext.CancellationToken);
+        var cts = new CancellationTokenSource();
 
         var task = FFMpegArguments
             .FromFileInput("testsrc2=size=320x240[out0]; sine[out1]", false, args => args
@@ -1116,31 +1040,7 @@ public class VideoTest
 
         cts.CancelAfter(300);
 
-        Assert.ThrowsExactly<OperationCanceledException>(() => task.CancellableThrough(TestContext.CancellationToken)
+        Assert.ThrowsExactly<OperationCanceledException>(() => task.ProcessSynchronously());
-            .ProcessSynchronously());
-    }
-
-    [TestMethod]
-    [Timeout(BaseTimeoutMilliseconds, CooperativeCancellation = true)]
-    public void Video_Cancel_CancellationToken_Before_Throws()
-    {
-        using var outputFile = new TemporaryFile("out.mp4");
-
-        using var cts = CancellationTokenSource.CreateLinkedTokenSource(TestContext.CancellationToken);
-
-        cts.Cancel();
-        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(cts.Token);
-
-        Assert.ThrowsExactly<OperationCanceledException>(() => task.CancellableThrough(TestContext.CancellationToken)
-            .ProcessSynchronously());
     }
 
     [TestMethod]
@@ -1149,7 +1049,7 @@ public class VideoTest
     {
         using var outputFile = new TemporaryFile("out.mp4");
 
-        using var cts = CancellationTokenSource.CreateLinkedTokenSource(TestContext.CancellationToken);
+        var cts = new CancellationTokenSource();
 
         var task = FFMpegArguments
             .FromFileInput("testsrc2=size=320x240[out0]; sine[out1]", false, args => args

FFMpegCore/FFMetadataInputArgument.cs

@@ -1,62 +0,0 @@
-using System.Text;
-
-namespace FFMpegCore;
-
-public class FFMetadataBuilder
-{
-    private Dictionary<string, string> Tags { get; } = new();
-    private List<FFMetadataChapter> Chapters { get; } = [];
-
-    public static FFMetadataBuilder Empty()
-    {
-        return new FFMetadataBuilder();
-    }
-
-    public FFMetadataBuilder WithTag(string key, string value)
-    {
-        Tags.Add(key, value);
-        return this;
-    }
-
-    public FFMetadataBuilder WithChapter(string title, long durationMs)
-    {
-        Chapters.Add(new FFMetadataChapter(title, durationMs));
-        return this;
-    }
-
-    public FFMetadataBuilder WithChapter(string title, double durationSeconds)
-    {
-        Chapters.Add(new FFMetadataChapter(title, Convert.ToInt64(durationSeconds * 1000)));
-        return this;
-    }
-
-    public string GetMetadataFileContent()
-    {
-        var sb = new StringBuilder();
-        sb.AppendLine(";FFMETADATA1");
-
-        foreach (var tag in Tags)
-        {
-            sb.AppendLine($"{tag.Key}={tag.Value}");
-        }
-
-        long totalDurationMs = 0;
-        foreach (var chapter in Chapters)
-        {
-            sb.AppendLine("[CHAPTER]");
-            sb.AppendLine("TIMEBASE=1/1000");
-            sb.AppendLine($"START={totalDurationMs}");
-            sb.AppendLine($"END={totalDurationMs + chapter.DurationMs}");
-            sb.AppendLine($"title={chapter.Title}");
-            totalDurationMs += chapter.DurationMs;
-        }
-
-        return sb.ToString();
-    }
-
-    private class FFMetadataChapter(string title, long durationMs)
-    {
-        public string Title { get; } = title;
-        public long DurationMs { get; } = durationMs;
-    }
-}

FFMpegCore/FFMpeg/Arguments/GifPaletteArgument.cs

@@ -4,11 +4,12 @@ namespace FFMpegCore.Arguments;
 
 public class GifPaletteArgument : IArgument
 {
-    private readonly double _fps;
+    private readonly int _fps;
+
     private readonly Size? _size;
     private readonly int _streamIndex;
 
-    public GifPaletteArgument(int streamIndex, double fps, Size? size)
+    public GifPaletteArgument(int streamIndex, int fps, Size? size)
     {
         _streamIndex = streamIndex;
         _fps = fps;

FFMpegCore/FFMpeg/FFMpeg.cs

@@ -37,19 +37,16 @@ public static class FFMpeg
     /// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
     /// <param name="streamIndex">Selected video stream index.</param>
     /// <param name="inputFileIndex">Input file index</param>
-    /// <param name="cancellationToken">Cancellation token</param>
     /// <returns>Bitmap with the requested snapshot.</returns>
     public static async Task<bool> SnapshotAsync(string input, string output, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null,
-        int inputFileIndex = 0, CancellationToken cancellationToken = default)
+        int inputFileIndex = 0)
     {
         CheckSnapshotOutputExtension(output, FileExtension.Image.All);
 
-        var source = await FFProbe.AnalyseAsync(input, cancellationToken: cancellationToken).ConfigureAwait(false);
+        var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
 
         return await SnapshotProcess(input, output, source, size, captureTime, streamIndex, inputFileIndex)
-            .CancellableThrough(cancellationToken)
+            .ProcessAsynchronously();
-            .ProcessAsynchronously()
-            .ConfigureAwait(false);
     }
 
     public static bool GifSnapshot(string input, string output, Size? size = null, TimeSpan? captureTime = null, TimeSpan? duration = null,
@@ -64,16 +61,14 @@ public static class FFMpeg
     }
 
     public static async Task<bool> GifSnapshotAsync(string input, string output, Size? size = null, TimeSpan? captureTime = null, TimeSpan? duration = null,
-        int? streamIndex = null, CancellationToken cancellationToken = default)
+        int? streamIndex = null)
     {
         CheckSnapshotOutputExtension(output, [FileExtension.Gif]);
 
-        var source = await FFProbe.AnalyseAsync(input, cancellationToken: cancellationToken).ConfigureAwait(false);
+        var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
 
         return await GifSnapshotProcess(input, output, source, size, captureTime, duration, streamIndex)
-            .CancellableThrough(cancellationToken)
+            .ProcessAsynchronously();
-            .ProcessAsynchronously()
-            .ConfigureAwait(false);
     }
 
     private static FFMpegArgumentProcessor SnapshotProcess(string input, string output, IMediaAnalysis source, Size? size = null, TimeSpan? captureTime = null,
@@ -137,8 +132,7 @@ public static class FFMpeg
             }
 
             return FFMpegArguments
-                .FromFileInput(Path.Combine(tempFolderName, $"%09d{fileExtension}"), false, options => options
+                .FromFileInput(Path.Combine(tempFolderName, $"%09d{fileExtension}"), false)
-                    .WithFramerate(frameRate))
                 .OutputToFile(output, true, options => options
                     .ForcePixelFormat("yuv420p")
                     .Resize(width!.Value, height!.Value)
@@ -326,15 +320,11 @@ public static class FFMpeg
     /// <param name="output">Output video file.</param>
     /// <param name="startTime">The start time of when the sub video needs to start</param>
     /// <param name="endTime">The end time of where the sub video needs to  end</param>
-    /// <param name="cancellationToken">Cancellation token</param>
     /// <returns>Output video information.</returns>
-    public static async Task<bool> SubVideoAsync(string input, string output, TimeSpan startTime, TimeSpan endTime,
+    public static async Task<bool> SubVideoAsync(string input, string output, TimeSpan startTime, TimeSpan endTime)
-        CancellationToken cancellationToken = default)
     {
         return await BaseSubVideo(input, output, startTime, endTime)
-            .CancellableThrough(cancellationToken)
+            .ProcessAsynchronously();
-            .ProcessAsynchronously()
-            .ConfigureAwait(false);
     }
 
     /// <summary>

FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs

@@ -258,7 +258,7 @@ public class FFMpegArgumentOptions : FFMpegArgumentsBase
         return WithArgument(new ID3V2VersionArgument(id3v2Version));
     }
 
-    public FFMpegArgumentOptions WithGifPaletteArgument(int streamIndex, Size? size, double fps = 12)
+    public FFMpegArgumentOptions WithGifPaletteArgument(int streamIndex, Size? size, int fps = 12)
     {
         return WithArgument(new GifPaletteArgument(streamIndex, fps, size));
     }

FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs

@@ -12,8 +12,6 @@ public class FFMpegArgumentProcessor
     private static readonly Regex ProgressRegex = new(@"time=(\d\d:\d\d:\d\d.\d\d?)", RegexOptions.Compiled);
     private readonly List<Action<FFOptions>> _configurations;
     private readonly FFMpegArguments _ffMpegArguments;
-    private CancellationTokenRegistration? _cancellationTokenRegistration;
-    private bool _cancelled;
     private FFMpegLogLevel? _logLevel;
     private Action<string>? _onError;
     private Action<string>? _onOutput;
@@ -71,22 +69,15 @@ public class FFMpegArgumentProcessor
         return this;
     }
 
-    private void Cancel(int timeout)
-    {
-        _cancelled = true;
-        CancelEvent?.Invoke(this, timeout);
-    }
-
     public FFMpegArgumentProcessor CancellableThrough(out Action cancel, int timeout = 0)
     {
-        cancel = () => Cancel(timeout);
+        cancel = () => CancelEvent?.Invoke(this, timeout);
         return this;
     }
 
     public FFMpegArgumentProcessor CancellableThrough(CancellationToken token, int timeout = 0)
     {
-        _cancellationTokenRegistration?.Dispose();
+        token.Register(() => CancelEvent?.Invoke(this, timeout));
-        _cancellationTokenRegistration = token.Register(() => Cancel(timeout));
         return this;
     }
 
@@ -110,8 +101,7 @@ public class FFMpegArgumentProcessor
     public bool ProcessSynchronously(bool throwOnError = true, FFOptions? ffMpegOptions = null)
     {
         var options = GetConfiguredOptions(ffMpegOptions);
-        var processArguments = PrepareProcessArguments(options);
+        var processArguments = PrepareProcessArguments(options, out var cancellationTokenSource);
-        using var cancellationTokenSource = new CancellationTokenSource();
 
         IProcessResult? processResult = null;
         try
@@ -132,8 +122,7 @@ public class FFMpegArgumentProcessor
     public async Task<bool> ProcessAsynchronously(bool throwOnError = true, FFOptions? ffMpegOptions = null)
     {
         var options = GetConfiguredOptions(ffMpegOptions);
-        var processArguments = PrepareProcessArguments(options);
+        var processArguments = PrepareProcessArguments(options, out var cancellationTokenSource);
-        using var cancellationTokenSource = new CancellationTokenSource();
 
         IProcessResult? processResult = null;
         try
@@ -154,40 +143,21 @@ public class FFMpegArgumentProcessor
     private async Task<IProcessResult> Process(ProcessArguments processArguments, CancellationTokenSource cancellationTokenSource)
     {
         IProcessResult processResult = null!;
-        if (_cancelled)
-        {
-            _cancellationTokenRegistration?.Dispose();
-            throw new OperationCanceledException("cancelled before starting processing");
-        }
 
         _ffMpegArguments.Pre();
 
         using var instance = processArguments.Start();
+        var cancelled = false;
 
         void OnCancelEvent(object sender, int timeout)
         {
-            ExecuteIgnoringFinishedProcessExceptions(() => instance.SendInput("q"));
+            cancelled = true;
+            instance.SendInput("q");
 
             if (!cancellationTokenSource.Token.WaitHandle.WaitOne(timeout, true))
             {
                 cancellationTokenSource.Cancel();
-                ExecuteIgnoringFinishedProcessExceptions(() => instance.Kill());
+                instance.Kill();
-            }
-
-            static void ExecuteIgnoringFinishedProcessExceptions(Action action)
-            {
-                try
-                {
-                    action();
-                }
-                catch (Instances.Exceptions.InstanceProcessAlreadyExitedException)
-                {
-                    //ignore
-                }
-                catch (ObjectDisposedException)
-                {
-                    //ignore
-                }
             }
         }
 
@@ -202,9 +172,8 @@ public class FFMpegArgumentProcessor
                 _ffMpegArguments.Post();
             }), _ffMpegArguments.During(cancellationTokenSource.Token)).ConfigureAwait(false);
 
-            if (_cancelled)
+            if (cancelled)
             {
-                _cancellationTokenRegistration?.Dispose();
                 throw new OperationCanceledException("ffmpeg processing was cancelled");
             }
 
@@ -213,7 +182,6 @@ public class FFMpegArgumentProcessor
         finally
         {
             CancelEvent -= OnCancelEvent;
-            _cancellationTokenRegistration?.Dispose();
         }
     }
 
@@ -246,7 +214,8 @@ public class FFMpegArgumentProcessor
         return options;
     }
 
-    private ProcessArguments PrepareProcessArguments(FFOptions ffOptions)
+    private ProcessArguments PrepareProcessArguments(FFOptions ffOptions,
+        out CancellationTokenSource cancellationTokenSource)
     {
         FFMpegHelper.RootExceptionCheck();
         FFMpegHelper.VerifyFFMpegExists(ffOptions);
@@ -276,6 +245,7 @@ public class FFMpegArgumentProcessor
             WorkingDirectory = ffOptions.WorkingDirectory
         };
         var processArguments = new ProcessArguments(startInfo);
+        cancellationTokenSource = new CancellationTokenSource();
 
         if (_onOutput != null)
         {

FFMpegCore/FFMpeg/FFMpegArguments.cs

@@ -109,11 +109,6 @@ public sealed class FFMpegArguments : FFMpegArgumentsBase
         return WithInput(new MetaDataArgument(content), addArguments);
     }
 
-    public FFMpegArguments AddMetaData(FFMetadataBuilder metaDataBuilder, Action<FFMpegArgumentOptions>? addArguments = null)
-    {
-        return WithInput(new MetaDataArgument(metaDataBuilder.GetMetadataFileContent()), addArguments);
-    }
-
     public FFMpegArguments AddMetaData(IReadOnlyMetaData metaData, Action<FFMpegArgumentOptions>? addArguments = null)
     {
         return WithInput(new MetaDataArgument(MetaDataSerializer.Instance.Serialize(metaData)), addArguments);

FFMpegCore/FFMpeg/SnapshotArgumentBuilder.cs

@@ -62,7 +62,7 @@ public static class SnapshotArgumentBuilder
         TimeSpan? captureTime = null,
         TimeSpan? duration = null,
         int? streamIndex = null,
-        double fps = 12)
+        int fps = 12)
     {
         var defaultGifOutputSize = new Size(480, -1);
 

FFMpegCore/FFMpegCore.csproj

@@ -3,15 +3,13 @@
   <PropertyGroup>
     <IsPackable>true</IsPackable>
     <Description>A .NET Standard FFMpeg/FFProbe wrapper for easily integrating media analysis and conversion into your .NET applications</Description>
-    <PackageVersion>5.4.0</PackageVersion>
+    <PackageVersion>5.3.0</PackageVersion>
     <PackageOutputPath>../nupkg</PackageOutputPath>
     <PackageReleaseNotes>
-      - Fixed exception thrown on cancelling ffprobe analysis - by snechaev
+      - **Fixed race condition on Named pipe dispose/disconnect** by techtel-pstevens
-      - Support for cancellationtoken in SnapsnotAsync methods - by snechaev
+      - **More extensions for snapshot function(jpg, bmp, webp)** by GorobVictor
-      - Added FFMetadataBuilder - by rosenbjerg
+      - **Include more GUID characters in pipe path** by reima, rosenbjerg
-      - Fix JoinImageSequence by passing framerate argument to input as well as output - by rosenbjerg
+      - **Updated dependencies and minor cleanup**: by rosenbjerg
-      - Change fps input from int to double - by rosenbjerg
-      - Fix GetCreationTime method on ITagsContainer - by rosenbjerg
     </PackageReleaseNotes>
     <PackageTags>ffmpeg ffprobe convert video audio mediafile resize analyze muxing</PackageTags>
     <Authors>Malte Rosenbjerg, Vlad Jerca, Max Bagryantsev</Authors>

FFMpegCore/FFProbe/FFProbe.cs

@@ -84,7 +84,6 @@ public static class FFProbe
 
         var instance = PrepareStreamAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
         var result = await instance.StartAndWaitForExitAsync(cancellationToken).ConfigureAwait(false);
-        cancellationToken.ThrowIfCancellationRequested();
         ThrowIfExitCodeNotZero(result);
 
         return ParseOutput(result);
@@ -124,7 +123,6 @@ public static class FFProbe
     {
         var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current, customArguments);
         var result = await instance.StartAndWaitForExitAsync(cancellationToken).ConfigureAwait(false);
-        cancellationToken.ThrowIfCancellationRequested();
         ThrowIfExitCodeNotZero(result);
 
         return ParseOutput(result);
@@ -152,7 +150,6 @@ public static class FFProbe
         }
 
         var result = await task.ConfigureAwait(false);
-        cancellationToken.ThrowIfCancellationRequested();
         ThrowIfExitCodeNotZero(result);
 
         pipeArgument.Post();

FFMpegCore/FFProbe/FFProbeAnalysis.cs

@@ -151,7 +151,7 @@ public static class TagExtensions
 
     public static string? GetCreationTime(this ITagsContainer tagsContainer)
     {
-        return TryGetTagValue(tagsContainer, "creation_time");
+        return TryGetTagValue(tagsContainer, "creation_time ");
     }
 
     public static string? GetRotate(this ITagsContainer tagsContainer)

FFMpegCore/FFProbe/ProcessArgumentsExtensions.cs

@@ -13,6 +13,6 @@ public static class ProcessArgumentsExtensions
     public static async Task<IProcessResult> StartAndWaitForExitAsync(this ProcessArguments processArguments, CancellationToken cancellationToken = default)
     {
         using var instance = processArguments.Start();
-        return await instance.WaitForExitAsync(cancellationToken).ConfigureAwait(false);
+        return await instance.WaitForExitAsync(cancellationToken);
     }
 }