using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.Versioning;
using System.Text;
using FFMpegCore.Arguments;
using FFMpegCore.Enums;
using FFMpegCore.Exceptions;
using FFMpegCore.Pipes;
using FFMpegCore.Test.Resources;
using FFMpegCore.Test.Utilities;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace FFMpegCore.Test
{
    [TestClass]
    public class VideoTest
    {
        private const int BaseTimeoutMilliseconds = 15_000;
        private string _segmentPathSource = "";
        
        [TestInitialize]
        public void Setup()
        {
            _segmentPathSource = Path.Combine(Path.GetTempPath(), $"{Guid.NewGuid()}-");
        }

        [TestCleanup]
        public void Cleanup()
        {
            foreach (var file in Directory.EnumerateFiles(Path.GetDirectoryName(_segmentPathSource), Path.GetFileName(_segmentPathSource) + "*"))
            {
                File.Delete(file);
            }
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToOGV()
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Ogv.Extension}");

            var success = FFMpegArguments
                .FromFileInput(TestResources.WebmVideo)
                .OutputToFile(outputFile, false)
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4()
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var success = FFMpegArguments
                .FromFileInput(TestResources.WebmVideo)
                .OutputToFile(outputFile, false)
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4_YUV444p()
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var success = FFMpegArguments
                .FromFileInput(TestResources.WebmVideo)
                .OutputToFile(outputFile, false, opt => opt
                    .WithVideoCodec(VideoCodec.LibX264)
                    .ForcePixelFormat("yuv444p"))
                .ProcessSynchronously();
            Assert.IsTrue(success);
            var analysis = FFProbe.Analyse(outputFile);
            Assert.IsTrue(analysis.VideoStreams.First().PixelFormat == "yuv444p");
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4_Args()
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var success = FFMpegArguments
                .FromFileInput(TestResources.WebmVideo)
                .OutputToFile(outputFile, false, opt => opt
                    .WithVideoCodec(VideoCodec.LibX264))
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToH265_MKV_Args()
        {
            using var outputFile = new TemporaryFile($"out.mkv");

            var success = FFMpegArguments
                .FromFileInput(TestResources.WebmVideo)
                .OutputToFile(outputFile, false, opt => opt
                    .WithVideoCodec(VideoCodec.LibX265))
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyDataTestMethod, Timeout(BaseTimeoutMilliseconds)]
        [DataRow(System.Drawing.Imaging.PixelFormat.Format24bppRgb)]
        [DataRow(System.Drawing.Imaging.PixelFormat.Format32bppArgb)]
        public void Video_ToMP4_Args_Pipe_WindowsOnly(System.Drawing.Imaging.PixelFormat pixelFormat) => Video_ToMP4_Args_Pipe_Internal(pixelFormat);

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        [DataRow(SkiaSharp.SKColorType.Rgb565)]
        [DataRow(SkiaSharp.SKColorType.Bgra8888)]
        public void Video_ToMP4_Args_Pipe(SkiaSharp.SKColorType pixelFormat) => Video_ToMP4_Args_Pipe_Internal(pixelFormat);

        private static void Video_ToMP4_Args_Pipe_Internal(dynamic pixelFormat)
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var videoFramesSource = new RawVideoPipeSource(BitmapSource.CreateBitmaps(128, pixelFormat, 256, 256));
            var success = FFMpegArguments
                .FromPipeInput(videoFramesSource)
                .OutputToFile(outputFile, false, opt => opt
                    .WithVideoCodec(VideoCodec.LibX264))
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyTestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4_Args_Pipe_DifferentImageSizes_WindowsOnly() => Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(System.Drawing.Imaging.PixelFormat.Format24bppRgb);

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4_Args_Pipe_DifferentImageSizes() => Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(SkiaSharp.SKColorType.Rgb565);

        private static void Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal(dynamic pixelFormat)
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var frames = new List<IVideoFrame>
            {
                BitmapSource.CreateVideoFrame(0, pixelFormat, 255, 255, 1, 0),
                BitmapSource.CreateVideoFrame(0, pixelFormat, 256, 256, 1, 0)
            };

            var videoFramesSource = new RawVideoPipeSource(frames);
            var ex = Assert.ThrowsException<FFMpegStreamFormatException>(() => FFMpegArguments
              .FromPipeInput(videoFramesSource)
              .OutputToFile(outputFile, false, opt => opt
                  .WithVideoCodec(VideoCodec.LibX264))
              .ProcessSynchronously());
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyTestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_ToMP4_Args_Pipe_DifferentImageSizes_WindowsOnly_Async() => await Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(System.Drawing.Imaging.PixelFormat.Format24bppRgb);

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_ToMP4_Args_Pipe_DifferentImageSizes_Async() => await Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(SkiaSharp.SKColorType.Rgb565);

        private static async Task Video_ToMP4_Args_Pipe_DifferentImageSizes_Internal_Async(dynamic pixelFormat)
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var frames = new List<IVideoFrame>
            {
                BitmapSource.CreateVideoFrame(0, pixelFormat, 255, 255, 1, 0),
                BitmapSource.CreateVideoFrame(0, pixelFormat, 256, 256, 1, 0)
            };

            var videoFramesSource = new RawVideoPipeSource(frames);
            var ex = await Assert.ThrowsExceptionAsync<FFMpegStreamFormatException>(() => FFMpegArguments
              .FromPipeInput(videoFramesSource)
              .OutputToFile(outputFile, false, opt => opt
                  .WithVideoCodec(VideoCodec.LibX264))
              .ProcessAsynchronously());
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyTestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4_Args_Pipe_DifferentPixelFormats_WindowsOnly() =>
            Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal(System.Drawing.Imaging.PixelFormat.Format24bppRgb, System.Drawing.Imaging.PixelFormat.Format32bppRgb);

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4_Args_Pipe_DifferentPixelFormats() => Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal(SkiaSharp.SKColorType.Rgb565, SkiaSharp.SKColorType.Bgra8888);

        private static void Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal(dynamic pixelFormatFrame1, dynamic pixelFormatFrame2)
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var frames = new List<IVideoFrame>
            {
                BitmapSource.CreateVideoFrame(0, pixelFormatFrame1, 255, 255, 1, 0),
                BitmapSource.CreateVideoFrame(0, pixelFormatFrame2, 255, 255, 1, 0)
            };

            var videoFramesSource = new RawVideoPipeSource(frames);
            var ex = Assert.ThrowsException<FFMpegStreamFormatException>(() => FFMpegArguments
              .FromPipeInput(videoFramesSource)
              .OutputToFile(outputFile, false, opt => opt
                  .WithVideoCodec(VideoCodec.LibX264))
              .ProcessSynchronously());
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyTestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_ToMP4_Args_Pipe_DifferentPixelFormats_WindowsOnly_Async() =>
            await Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal_Async(System.Drawing.Imaging.PixelFormat.Format24bppRgb, System.Drawing.Imaging.PixelFormat.Format32bppRgb);

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_ToMP4_Args_Pipe_DifferentPixelFormats_Async() => await Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal_Async(SkiaSharp.SKColorType.Rgb565, SkiaSharp.SKColorType.Bgra8888);

        private static async Task Video_ToMP4_Args_Pipe_DifferentPixelFormats_Internal_Async(dynamic pixelFormatFrame1, dynamic pixelFormatFrame2)
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var frames = new List<IVideoFrame>
            {
                BitmapSource.CreateVideoFrame(0, pixelFormatFrame1, 255, 255, 1, 0),
                BitmapSource.CreateVideoFrame(0, pixelFormatFrame2, 255, 255, 1, 0)
            };

            var videoFramesSource = new RawVideoPipeSource(frames);
            var ex = await Assert.ThrowsExceptionAsync<FFMpegStreamFormatException>(() => FFMpegArguments
              .FromPipeInput(videoFramesSource)
              .OutputToFile(outputFile, false, opt => opt
                  .WithVideoCodec(VideoCodec.LibX264))
              .ProcessAsynchronously());
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4_Args_StreamPipe()
        {
            using var input = File.OpenRead(TestResources.WebmVideo);
            using var output = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var success = FFMpegArguments
                .FromPipeInput(new StreamPipeSource(input))
                .OutputToFile(output, false, opt => opt
                    .WithVideoCodec(VideoCodec.LibX264))
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_ToMP4_Args_StreamOutputPipe_Async_Failure()
        {
            await Assert.ThrowsExceptionAsync<FFMpegException>(async () =>
            {
                await using var ms = new MemoryStream();
                var pipeSource = new StreamPipeSink(ms);
                await FFMpegArguments
                    .FromFileInput(TestResources.Mp4Video)
                    .OutputToPipe(pipeSource, opt => opt.ForceFormat("mp4"))
                    .ProcessAsynchronously();
            });
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_StreamFile_OutputToMemoryStream()
        {
            var output = new MemoryStream();

            FFMpegArguments
                .FromPipeInput(new StreamPipeSource(File.OpenRead(TestResources.WebmVideo)), opt => opt
                    .ForceFormat("webm"))
                .OutputToPipe(new StreamPipeSink(output), opt => opt
                    .ForceFormat("mpegts"))
                .ProcessSynchronously();

            output.Position = 0;
            var result = FFProbe.Analyse(output);
            Console.WriteLine(result.Duration);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToMP4_Args_StreamOutputPipe_Failure()
        {
            Assert.ThrowsException<FFMpegException>(() =>
            {
                using var ms = new MemoryStream();
                FFMpegArguments
                    .FromFileInput(TestResources.Mp4Video)
                    .OutputToPipe(new StreamPipeSink(ms), opt => opt
                        .ForceFormat("mkv"))
                    .ProcessSynchronously();
            });
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_ToMP4_Args_StreamOutputPipe_Async()
        {
            await using var ms = new MemoryStream();
            var pipeSource = new StreamPipeSink(ms);
            await FFMpegArguments
                .FromFileInput(TestResources.Mp4Video)
                .OutputToPipe(pipeSource, opt => opt
                    .WithVideoCodec(VideoCodec.LibX264)
                    .ForceFormat("matroska"))
                .ProcessAsynchronously();
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task TestDuplicateRun()
        {
            FFMpegArguments
                .FromFileInput(TestResources.Mp4Video)
                .OutputToFile("temporary.mp4")
                .ProcessSynchronously();

            await FFMpegArguments
                .FromFileInput(TestResources.Mp4Video)
                .OutputToFile("temporary.mp4")
                .ProcessAsynchronously();

            File.Delete("temporary.mp4");
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void TranscodeToMemoryStream_Success()
        {
            using var output = new MemoryStream();
            var success = FFMpegArguments
                .FromFileInput(TestResources.WebmVideo)
                .OutputToPipe(new StreamPipeSink(output), opt => opt
                    .WithVideoCodec(VideoCodec.LibVpx)
                    .ForceFormat("matroska"))
                .ProcessSynchronously();
            Assert.IsTrue(success);

            output.Position = 0;
            var inputAnalysis = FFProbe.Analyse(TestResources.WebmVideo);
            var outputAnalysis = FFProbe.Analyse(output);
            Assert.AreEqual(inputAnalysis.Duration.TotalSeconds, outputAnalysis.Duration.TotalSeconds, 0.3);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToTS()
        {
            using var outputFile = new TemporaryFile($"out{VideoType.MpegTs.Extension}");

            var success = FFMpegArguments
                .FromFileInput(TestResources.Mp4Video)
                .OutputToFile(outputFile, false)
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_ToTS_Args()
        {
            using var outputFile = new TemporaryFile($"out{VideoType.MpegTs.Extension}");

            var success = FFMpegArguments
                .FromFileInput(TestResources.Mp4Video)
                .OutputToFile(outputFile, false, opt => opt
                    .CopyChannel()
                    .WithBitStreamFilter(Channel.Video, Filter.H264_Mp4ToAnnexB)
                    .ForceFormat(VideoType.MpegTs))
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyDataTestMethod, Timeout(BaseTimeoutMilliseconds)]
        [DataRow(System.Drawing.Imaging.PixelFormat.Format24bppRgb)]
        [DataRow(System.Drawing.Imaging.PixelFormat.Format32bppArgb)]
        public async Task Video_ToTS_Args_Pipe_WindowsOnly(System.Drawing.Imaging.PixelFormat pixelFormat) => await Video_ToTS_Args_Pipe_Internal(pixelFormat);

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        [DataRow(SkiaSharp.SKColorType.Rgb565)]
        [DataRow(SkiaSharp.SKColorType.Bgra8888)]
        public async Task Video_ToTS_Args_Pipe(SkiaSharp.SKColorType pixelFormat) => await Video_ToTS_Args_Pipe_Internal(pixelFormat);

        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));

            var success = await FFMpegArguments
                .FromPipeInput(input)
                .OutputToFile(output, false, opt => opt
                    .ForceFormat(VideoType.Ts))
                .ProcessAsynchronously();
            Assert.IsTrue(success);

            var analysis = await FFProbe.AnalyseAsync(output);
            Assert.AreEqual(VideoType.Ts.Name, analysis.Format.FormatName);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_ToOGV_Resize()
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Ogv.Extension}");
            var success = await FFMpegArguments
                .FromFileInput(TestResources.Mp4Video)
                .OutputToFile(outputFile, false, opt => opt
                    .Resize(200, 200)
                    .WithVideoCodec(VideoCodec.LibTheora))
                .ProcessAsynchronously();
            Assert.IsTrue(success);
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyDataTestMethod, Timeout(BaseTimeoutMilliseconds)]
        [DataRow(SkiaSharp.SKColorType.Rgb565)]
        [DataRow(SkiaSharp.SKColorType.Bgra8888)]
        public void RawVideoPipeSource_Ogv_Scale(SkiaSharp.SKColorType pixelFormat)
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Ogv.Extension}");
            var videoFramesSource = new RawVideoPipeSource(BitmapSource.CreateBitmaps(128, pixelFormat, 256, 256));

            FFMpegArguments
                .FromPipeInput(videoFramesSource)
                .OutputToFile(outputFile, false, opt => opt
                    .WithVideoFilters(filterOptions => filterOptions
                        .Scale(VideoSize.Ed))
                    .WithVideoCodec(VideoCodec.LibTheora))
                .ProcessSynchronously();

            var analysis = FFProbe.Analyse(outputFile);
            Assert.AreEqual((int)VideoSize.Ed, analysis.PrimaryVideoStream!.Width);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Scale_Mp4_Multithreaded()
        {
            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");

            var success = FFMpegArguments
                .FromFileInput(TestResources.Mp4Video)
                .OutputToFile(outputFile, false, opt => opt
                    .UsingMultithreading(true)
                    .WithVideoCodec(VideoCodec.LibX264))
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyDataTestMethod, Timeout(BaseTimeoutMilliseconds)]
        [DataRow(System.Drawing.Imaging.PixelFormat.Format24bppRgb)]
        [DataRow(System.Drawing.Imaging.PixelFormat.Format32bppArgb)]
        // [DataRow(PixelFormat.Format48bppRgb)]
        public void Video_ToMP4_Resize_Args_Pipe(System.Drawing.Imaging.PixelFormat pixelFormat) => Video_ToMP4_Resize_Args_Pipe_Internal(pixelFormat);

        [DataTestMethod, Timeout(BaseTimeoutMilliseconds)]
        [DataRow(SkiaSharp.SKColorType.Rgb565)]
        [DataRow(SkiaSharp.SKColorType.Bgra8888)]
        public void Video_ToMP4_Resize_Args_Pipe(SkiaSharp.SKColorType pixelFormat) => Video_ToMP4_Resize_Args_Pipe_Internal(pixelFormat);

        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));

            var success = FFMpegArguments
                .FromPipeInput(videoFramesSource)
                .OutputToFile(outputFile, false, opt => opt
                    .WithVideoCodec(VideoCodec.LibX264))
                .ProcessSynchronously();
            Assert.IsTrue(success);
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyTestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_Snapshot_InMemory_SystemDrawingCommon()
        {
            using var bitmap = Extensions.System.Drawing.Common.FFMpegImage.Snapshot(TestResources.Mp4Video);

            var input = FFProbe.Analyse(TestResources.Mp4Video);
            Assert.AreEqual(input.PrimaryVideoStream!.Width, bitmap.Width);
            Assert.AreEqual(input.PrimaryVideoStream.Height, bitmap.Height);
            Assert.AreEqual(bitmap.RawFormat, ImageFormat.Png);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_Snapshot_InMemory_SkiaSharp()
        {
            using var bitmap = Extensions.SkiaSharp.FFMpegImage.Snapshot(TestResources.Mp4Video);

            var input = FFProbe.Analyse(TestResources.Mp4Video);
            Assert.AreEqual(input.PrimaryVideoStream!.Width, bitmap.Width);
            Assert.AreEqual(input.PrimaryVideoStream.Height, bitmap.Height);
            // Note: The resulting ColorType is dependent on the execution environment and therefore not assessed,
            // e.g. Bgra8888 on Windows and Rgba8888 on macOS.
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_Snapshot_PersistSnapshot()
        {
            using var outputPath = new TemporaryFile("out.png");
            var input = FFProbe.Analyse(TestResources.Mp4Video);

            FFMpeg.Snapshot(TestResources.Mp4Video, outputPath);

            var analysis = FFProbe.Analyse(outputPath);
            Assert.AreEqual(input.PrimaryVideoStream!.Width, analysis.PrimaryVideoStream!.Width);
            Assert.AreEqual(input.PrimaryVideoStream.Height, analysis.PrimaryVideoStream!.Height);
            Assert.AreEqual("png", analysis.PrimaryVideoStream!.CodecName);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_GifSnapshot_PersistSnapshot()
        {
            using var outputPath = new TemporaryFile("out.gif");
            var input = FFProbe.Analyse(TestResources.Mp4Video);

            FFMpeg.GifSnapshot(TestResources.Mp4Video, outputPath, captureTime: TimeSpan.FromSeconds(0));

            var analysis = FFProbe.Analyse(outputPath);
            Assert.AreNotEqual(input.PrimaryVideoStream!.Width, analysis.PrimaryVideoStream!.Width);
            Assert.AreNotEqual(input.PrimaryVideoStream.Height, analysis.PrimaryVideoStream!.Height);
            Assert.AreEqual("gif", analysis.PrimaryVideoStream!.CodecName);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_GifSnapshot_PersistSnapshot_SizeSupplied()
        {
            using var outputPath = new TemporaryFile("out.gif");
            var input = FFProbe.Analyse(TestResources.Mp4Video);
            var desiredGifSize = new Size(320, 240);

            FFMpeg.GifSnapshot(TestResources.Mp4Video, outputPath, desiredGifSize, captureTime: TimeSpan.FromSeconds(0));

            var analysis = FFProbe.Analyse(outputPath);
            Assert.AreNotEqual(input.PrimaryVideoStream!.Width, desiredGifSize.Width);
            Assert.AreNotEqual(input.PrimaryVideoStream.Height, desiredGifSize.Height);
            Assert.AreEqual("gif", analysis.PrimaryVideoStream!.CodecName);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_GifSnapshot_PersistSnapshotAsync()
        {
            using var outputPath = new TemporaryFile("out.gif");
            var input = FFProbe.Analyse(TestResources.Mp4Video);

            await FFMpeg.GifSnapshotAsync(TestResources.Mp4Video, outputPath, captureTime: TimeSpan.FromSeconds(0));

            var analysis = FFProbe.Analyse(outputPath);
            Assert.AreNotEqual(input.PrimaryVideoStream!.Width, analysis.PrimaryVideoStream!.Width);
            Assert.AreNotEqual(input.PrimaryVideoStream.Height, analysis.PrimaryVideoStream!.Height);
            Assert.AreEqual("gif", analysis.PrimaryVideoStream!.CodecName);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_GifSnapshot_PersistSnapshotAsync_SizeSupplied()
        {
            using var outputPath = new TemporaryFile("out.gif");
            var input = FFProbe.Analyse(TestResources.Mp4Video);
            var desiredGifSize = new Size(320, 240);

            await FFMpeg.GifSnapshotAsync(TestResources.Mp4Video, outputPath, desiredGifSize, captureTime: TimeSpan.FromSeconds(0));

            var analysis = FFProbe.Analyse(outputPath);
            Assert.AreNotEqual(input.PrimaryVideoStream!.Width, desiredGifSize.Width);
            Assert.AreNotEqual(input.PrimaryVideoStream.Height, desiredGifSize.Height);
            Assert.AreEqual("gif", analysis.PrimaryVideoStream!.CodecName);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_Join()
        {
            using var inputCopy = new TemporaryFile("copy-input.mp4");
            File.Copy(TestResources.Mp4Video, inputCopy);

            using 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);
        }

        [TestMethod, Timeout(2 * BaseTimeoutMilliseconds)]
        public void Video_Join_Image_Sequence()
        {
            var imageSet = new List<string>();
            Directory.EnumerateFiles(TestResources.ImageCollection, "*.png")
                .ToList()
                .ForEach(file =>
                {
                    for (var i = 0; i < 5; i++)
                    {
                        imageSet.Add(file);
                    }
                });
            var imageAnalysis = FFProbe.Analyse(imageSet.First());

            using var outputFile = new TemporaryFile("out.mp4");
            var success = FFMpeg.JoinImageSequence(outputFile, frameRate: 10, images: imageSet.ToArray());
            Assert.IsTrue(success);
            var result = FFProbe.Analyse(outputFile);

            Assert.AreEqual(1, result.Duration.Seconds);
            Assert.AreEqual(imageAnalysis.PrimaryVideoStream!.Width, result.PrimaryVideoStream!.Width);
            Assert.AreEqual(imageAnalysis.PrimaryVideoStream!.Height, result.PrimaryVideoStream.Height);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_With_Only_Audio_Should_Extract_Metadata()
        {
            var video = FFProbe.Analyse(TestResources.Mp4WithoutVideo);
            Assert.AreEqual(null, video.PrimaryVideoStream);
            Assert.AreEqual("aac", video.PrimaryAudioStream!.CodecName);
            Assert.AreEqual(10, video.Duration.TotalSeconds, 0.5);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_Duration()
        {
            var video = FFProbe.Analyse(TestResources.Mp4Video);
            using 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);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_UpdatesProgress()
        {
            using var outputFile = new TemporaryFile("out.mp4");

            var percentageDone = 0.0;
            var timeDone = TimeSpan.Zero;
            var analysis = FFProbe.Analyse(TestResources.Mp4Video);

            void OnPercentageProgess(double percentage)
            {
                if (percentage < 100)
                {
                    percentageDone = percentage;
                }
            }

            void OnTimeProgess(TimeSpan time)
            {
                if (time < analysis.Duration)
                {
                    timeDone = time;
                }
            }

            var success = FFMpegArguments
                .FromFileInput(TestResources.Mp4Video)
                .OutputToFile(outputFile, false, opt => opt
                    .WithDuration(analysis.Duration))
                .NotifyOnProgress(OnPercentageProgess, analysis.Duration)
                .NotifyOnProgress(OnTimeProgess)
                .ProcessSynchronously();

            Assert.IsTrue(success);
            Assert.IsTrue(File.Exists(outputFile));
            Assert.AreNotEqual(0.0, percentageDone);
            Assert.AreNotEqual(100.0, percentageDone);
            Assert.AreNotEqual(TimeSpan.Zero, timeDone);
            Assert.AreNotEqual(analysis.Duration, timeDone);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_OutputsData()
        {
            using var outputFile = new TemporaryFile("out.mp4");
            var dataReceived = false;

            GlobalFFOptions.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)))
                .NotifyOnError(_ => dataReceived = true)
                .ProcessSynchronously();

            Assert.IsTrue(dataReceived);
            Assert.IsTrue(success);
            Assert.IsTrue(File.Exists(outputFile));
        }

        [SupportedOSPlatform("windows")]
        [WindowsOnlyTestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_TranscodeInMemory_WindowsOnly() => Video_TranscodeInMemory_Internal(System.Drawing.Imaging.PixelFormat.Format24bppRgb);

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_TranscodeInMemory() => Video_TranscodeInMemory_Internal(SkiaSharp.SKColorType.Rgb565);

        private static void Video_TranscodeInMemory_Internal(dynamic pixelFormat)
        {
            using var resStream = new MemoryStream();
            var reader = new StreamPipeSink(resStream);
            var writer = new RawVideoPipeSource(BitmapSource.CreateBitmaps(128, pixelFormat, 128, 128));

            FFMpegArguments
                .FromPipeInput(writer)
                .OutputToPipe(reader, opt => opt
                    .WithVideoCodec("vp9")
                    .ForceFormat("webm"))
                .ProcessSynchronously();

            resStream.Position = 0;
            var vi = FFProbe.Analyse(resStream);
            Assert.AreEqual(vi.PrimaryVideoStream!.Width, 128);
            Assert.AreEqual(vi.PrimaryVideoStream.Height, 128);
        }

        [TestMethod, Timeout(2 * BaseTimeoutMilliseconds)]
        public void Video_TranscodeToMemory()
        {
            using var memoryStream = new MemoryStream();

            FFMpegArguments
                .FromFileInput(TestResources.WebmVideo)
                .OutputToPipe(new StreamPipeSink(memoryStream), opt => opt
                    .WithVideoCodec("vp9")
                    .ForceFormat("webm"))
                .ProcessSynchronously();

            memoryStream.Position = 0;
            var vi = FFProbe.Analyse(memoryStream);
            Assert.AreEqual(vi.PrimaryVideoStream!.Width, 640);
            Assert.AreEqual(vi.PrimaryVideoStream.Height, 360);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_Cancel_Async()
        {
            using 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);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_Cancel()
        {
            using 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);

            Task.Delay(300).ContinueWith((_) => cancel());

            var result = task.ProcessSynchronously(false);

            Assert.IsFalse(result);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_Cancel_Async_With_Timeout()
        {
            using 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();

            await task;

            var outputInfo = await FFProbe.AnalyseAsync(outputFile);

            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);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_Cancel_CancellationToken_Async()
        {
            using var outputFile = new TemporaryFile("out.mp4");

            var cts = new CancellationTokenSource();

            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)
                .ProcessAsynchronously(false);

            cts.CancelAfter(300);

            var result = await task;

            Assert.IsFalse(result);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_Cancel_CancellationToken_Async_Throws()
        {
            using var outputFile = new TemporaryFile("out.mp4");

            var cts = new CancellationTokenSource();

            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)
                .ProcessAsynchronously();

            cts.CancelAfter(300);

            await Assert.ThrowsExceptionAsync<OperationCanceledException>(() => task);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_Cancel_CancellationToken_Throws()
        {
            using var outputFile = new TemporaryFile("out.mp4");

            var cts = new CancellationTokenSource();

            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);

            cts.CancelAfter(300);

            Assert.ThrowsException<OperationCanceledException>(() => task.ProcessSynchronously());
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public async Task Video_Cancel_CancellationToken_Async_With_Timeout()
        {
            using var outputFile = new TemporaryFile("out.mp4");

            var cts = new CancellationTokenSource();

            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, 8000)
                .ProcessAsynchronously(false);

            cts.CancelAfter(300);

            await task;

            var outputInfo = await FFProbe.AnalyseAsync(outputFile);

            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);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_Segmented_File_Output()
        {
            using var input = File.OpenRead(TestResources.WebmVideo);
            var success = FFMpegArguments
                .FromPipeInput(new StreamPipeSource(input))
                .OutPutToSegmentedFiles(
                        new SegmentArgument($"{_segmentPathSource}%Y-%m-%d_%H-%M-%S.mkv", true, segmentOptions => segmentOptions
                            .Strftime(true)
                            .Wrap(-1)
                            .Time(60)
                            .ResetTimeStamps(true)),
                        options => options
                        .CopyChannel()
                        .WithVideoCodec("h264")
                        .ForceFormat("matroska")
                        .WithConstantRateFactor(21)
                        .WithVideoBitrate(3000)
                        .WithFastStart()
                        .WithVideoFilters(filterOptions => filterOptions
                            .Scale(VideoSize.Hd)
                            .DrawText(DrawTextOptions.Create(@"'%{localtime}.%{eif\:1M*t-1K*trunc(t*1K)\:d\:3}'", @"C:/Users/yan.gauthier/AppData/Local/Microsoft/Windows/Fonts/Roboto-Regular.ttf")
                                .WithParameter("fontcolor", "yellow")
                                .WithParameter("fontsize", "40")
                                .WithParameter("x", "(w-text_w)")
                                .WithParameter("y", "(h - text_h)")
                                .WithParameter("rate", "19")
                            )
                        )
                    )
                .CancellableThrough(new CancellationTokenSource().Token, 8000)
                .ProcessSynchronously(false);
            Assert.IsTrue(success);
        }

        [TestMethod, Timeout(BaseTimeoutMilliseconds)]
        public void Video_MultiOutput_With_Segmented_File_Output()
        {
            using var input = File.OpenRead(TestResources.WebmVideo);
            var success = FFMpegArguments
                .FromPipeInput(new StreamPipeSource(input))
                .MultiOutput(args => args
                   .OutputToFile($"{_segmentPathSource}2", true, options => options
                        .CopyChannel()
                        .WithVideoCodec("mjpeg")
                        .ForceFormat("matroska")
                        .WithConstantRateFactor(21)
                        .WithVideoBitrate(4000)
                        .WithFastStart()
                        .WithVideoFilters(filterOptions => filterOptions
                            .Scale(VideoSize.Hd)
                            .DrawText(DrawTextOptions.Create(@"'%{localtime}.%{eif\:1M*t-1K*trunc(t*1K)\:d\:3}'", @"C:/Users/yan.gauthier/AppData/Local/Microsoft/Windows/Fonts/Roboto-Regular.ttf")
                                .WithParameter("fontcolor", "yellow")
                                .WithParameter("fontsize", "40")
                                .WithParameter("x", "(w-text_w)")
                                .WithParameter("y", "(h - text_h)")
                                .WithParameter("rate", "19")
                            )
                        )
                    )
                   .OutPutToSegmentedFiles(
                        new SegmentArgument($"{_segmentPathSource}%Y-%m-%d_%H-%M-%S.mkv", true, segmentOptions => segmentOptions
                            .Strftime(true)
                            .Wrap(-1)
                            .Time(60)
                            .ResetTimeStamps(true)),
                        options => options
                        .CopyChannel()
                        .WithVideoCodec("h264")
                        .ForceFormat("matroska")
                        .WithConstantRateFactor(21)
                        .WithVideoBitrate(3000)
                        .WithFastStart()
                        .WithVideoFilters(filterOptions => filterOptions
                            .Scale(VideoSize.Hd)
                            .DrawText(DrawTextOptions.Create(@"'%{localtime}.%{eif\:1M*t-1K*trunc(t*1K)\:d\:3}'", @"C:/Users/yan.gauthier/AppData/Local/Microsoft/Windows/Fonts/Roboto-Regular.ttf")
                                .WithParameter("fontcolor", "yellow")
                                .WithParameter("fontsize", "40")
                                .WithParameter("x", "(w-text_w)")
                                .WithParameter("y", "(h - text_h)")
                                .WithParameter("rate", "19")
                            )
                        )
                    )
                )
                .CancellableThrough(new CancellationTokenSource().Token, 8000)
                .ProcessSynchronously(false);
            Assert.IsTrue(success);
        }
    }
}