using Microsoft.VisualStudio.TestTools.UnitTesting; using System; using FFMpegCore.Arguments; using FFMpegCore.Enums; namespace FFMpegCore.Test { [TestClass] public class ArgumentBuilderTest { private readonly string[] _concatFiles = { "1.mp4", "2.mp4", "3.mp4", "4.mp4" }; [TestMethod] public void Builder_BuildString_IO_1() { var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4").Arguments; Assert.AreEqual("-i \"input.mp4\" \"output.mp4\" -y", str); } [TestMethod] public void Builder_BuildString_Scale() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", true, opt => opt .WithVideoFilters(filterOptions => filterOptions .Scale(VideoSize.Hd))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -vf \"scale=-1:720\" \"output.mp4\" -y", str); } [TestMethod] public void Builder_BuildString_AudioCodec() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", true, opt => opt.WithAudioCodec(AudioCodec.Aac)).Arguments; Assert.AreEqual("-i \"input.mp4\" -c:a aac \"output.mp4\" -y", str); } [TestMethod] public void Builder_BuildString_AudioBitrate() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", true, opt => opt.WithAudioBitrate(AudioQuality.Normal)).Arguments; Assert.AreEqual("-i \"input.mp4\" -b:a 128k \"output.mp4\" -y", str); } [TestMethod] public void Builder_BuildString_Quiet() { var str = FFMpegArguments.FromFileInput("input.mp4").WithGlobalOptions(opt => opt.WithVerbosityLevel()) .OutputToFile("output.mp4", false).Arguments; Assert.AreEqual("-hide_banner -loglevel error -i \"input.mp4\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_AudioCodec_Fluent() { var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", false, opt => opt.WithAudioCodec(AudioCodec.Aac).WithAudioBitrate(128)).Arguments; Assert.AreEqual("-i \"input.mp4\" -c:a aac -b:a 128k \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_BitStream() { var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", false, opt => opt.WithBitStreamFilter(Channel.Audio, Filter.H264_Mp4ToAnnexB)).Arguments; Assert.AreEqual("-i \"input.mp4\" -bsf:a h264_mp4toannexb \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_HardwareAcceleration_Auto() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithHardwareAcceleration()).Arguments; Assert.AreEqual("-i \"input.mp4\" -hwaccel \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_HardwareAcceleration_Specific() { var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", false, opt => opt.WithHardwareAcceleration(HardwareAccelerationDevice.CUVID)).Arguments; Assert.AreEqual("-i \"input.mp4\" -hwaccel cuvid \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Concat() { var str = FFMpegArguments.FromConcatInput(_concatFiles).OutputToFile("output.mp4", false).Arguments; Assert.AreEqual("-i \"concat:1.mp4|2.mp4|3.mp4|4.mp4\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Copy_Audio() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.CopyChannel(Channel.Audio)).Arguments; Assert.AreEqual("-i \"input.mp4\" -c:a copy \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Copy_Video() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.CopyChannel(Channel.Video)).Arguments; Assert.AreEqual("-i \"input.mp4\" -c:v copy \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Copy_Both() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.CopyChannel()).Arguments; Assert.AreEqual("-i \"input.mp4\" -c copy \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_DisableChannel_Audio() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.DisableChannel(Channel.Audio)).Arguments; Assert.AreEqual("-i \"input.mp4\" -an \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_DisableChannel_Video() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.DisableChannel(Channel.Video)).Arguments; Assert.AreEqual("-i \"input.mp4\" -vn \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_AudioSamplingRate_Default() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithAudioSamplingRate()).Arguments; Assert.AreEqual("-i \"input.mp4\" -ar 48000 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_AudioSamplingRate() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithAudioSamplingRate(44000)).Arguments; Assert.AreEqual("-i \"input.mp4\" -ar 44000 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_VariableBitrate() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithVariableBitrate(5)).Arguments; Assert.AreEqual("-i \"input.mp4\" -vbr 5 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Faststart() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithFastStart()).Arguments; Assert.AreEqual("-i \"input.mp4\" -movflags faststart \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Overwrite() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.OverwriteExisting()).Arguments; Assert.AreEqual("-i \"input.mp4\" -y \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_RemoveMetadata() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithoutMetadata()).Arguments; Assert.AreEqual("-i \"input.mp4\" -map_metadata -1 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Transpose() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt .WithVideoFilters(filterOptions => filterOptions .Transpose(Transposition.CounterClockwise90))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -vf \"transpose=2\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Mirroring() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt .WithVideoFilters(filterOptions => filterOptions .Mirror(Mirroring.Horizontal))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -vf \"hflip\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_TransposeScale() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt .WithVideoFilters(filterOptions => filterOptions .Transpose(Transposition.CounterClockwise90) .Scale(200, 300))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -vf \"transpose=2, scale=200:300\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_ForceFormat() { var str = FFMpegArguments.FromFileInput("input.mp4", false, opt => opt.ForceFormat(VideoType.Mp4)) .OutputToFile("output.mp4", false, opt => opt.ForceFormat(VideoType.Mp4)).Arguments; Assert.AreEqual("-f mp4 -i \"input.mp4\" -f mp4 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_FrameOutputCount() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithFrameOutputCount(50)).Arguments; Assert.AreEqual("-i \"input.mp4\" -vframes 50 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_VideoStreamNumber() { var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", false, opt => opt.SelectStream(1)).Arguments; Assert.AreEqual("-i \"input.mp4\" -map 0:1 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_FrameRate() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithFramerate(50)).Arguments; Assert.AreEqual("-i \"input.mp4\" -r 50 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Loop() { var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", false, opt => opt.Loop(50)) .Arguments; Assert.AreEqual("-i \"input.mp4\" -loop 50 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Seek() { var str = FFMpegArguments.FromFileInput("input.mp4", false, opt => opt.Seek(TimeSpan.FromSeconds(10))).OutputToFile("output.mp4", false, opt => opt.Seek(TimeSpan.FromSeconds(10))).Arguments; Assert.AreEqual("-ss 00:00:10.000 -i \"input.mp4\" -ss 00:00:10.000 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Shortest() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.UsingShortest()).Arguments; Assert.AreEqual("-i \"input.mp4\" -shortest \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Size() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.Resize(1920, 1080)).Arguments; Assert.AreEqual("-i \"input.mp4\" -s 1920x1080 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Speed() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithSpeedPreset(Speed.Fast)).Arguments; Assert.AreEqual("-i \"input.mp4\" -preset fast \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_DrawtextFilter() { var str = FFMpegArguments .FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt .WithVideoFilters(filterOptions => filterOptions .DrawText(DrawTextOptions .Create("Stack Overflow", "/path/to/font.ttf") .WithParameter("fontcolor", "white") .WithParameter("fontsize", "24") .WithParameter("box", "1") .WithParameter("boxcolor", "black@0.5") .WithParameter("boxborderw", "5") .WithParameter("x", "(w-text_w)/2") .WithParameter("y", "(h-text_h)/2")))) .Arguments; Assert.AreEqual( "-i \"input.mp4\" -vf \"drawtext=text='Stack Overflow':fontfile=/path/to/font.ttf:fontcolor=white:fontsize=24:box=1:boxcolor=black@0.5:boxborderw=5:x=(w-text_w)/2:y=(h-text_h)/2\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_DrawtextFilter_Alt() { var str = FFMpegArguments .FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt .WithVideoFilters(filterOptions => filterOptions .DrawText(DrawTextOptions .Create("Stack Overflow", "/path/to/font.ttf", ("fontcolor", "white"), ("fontsize", "24"))))) .Arguments; Assert.AreEqual( "-i \"input.mp4\" -vf \"drawtext=text='Stack Overflow':fontfile=/path/to/font.ttf:fontcolor=white:fontsize=24\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_SubtitleHardBurnFilter() { var str = FFMpegArguments .FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt .WithVideoFilters(filterOptions => filterOptions .HardBurnSubtitle(SubtitleHardBurnOptions .Create(subtitlePath: "sample.srt") .SetCharacterEncoding("UTF-8") .SetOriginalSize(1366, 768) .SetSubtitleIndex(0) .WithStyle(StyleOptions.Create() .WithParameter("FontName", "DejaVu Serif") .WithParameter("PrimaryColour", "&HAA00FF00"))))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -vf \"subtitles='sample.srt':charenc=UTF-8:original_size=1366x768:stream_index=0:force_style='FontName=DejaVu Serif\\,PrimaryColour=&HAA00FF00'\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_SubtitleHardBurnFilterFixedPaths() { var str = FFMpegArguments .FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt .WithVideoFilters(filterOptions => filterOptions .HardBurnSubtitle(SubtitleHardBurnOptions .Create(subtitlePath: @"sample( \ : [ ] , ' ).srt")))) .Arguments; Assert.AreEqual(@"-i ""input.mp4"" -vf ""subtitles='sample( \\ \: \[ \] \, '\\\'' ).srt'"" ""output.mp4""", str); } [TestMethod] public void Builder_BuildString_StartNumber() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithStartNumber(50)).Arguments; Assert.AreEqual("-i \"input.mp4\" -start_number 50 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Threads_1() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.UsingThreads(50)).Arguments; Assert.AreEqual("-i \"input.mp4\" -threads 50 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Threads_2() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.UsingMultithreading(true)).Arguments; Assert.AreEqual($"-i \"input.mp4\" -threads {Environment.ProcessorCount} \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Codec() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithVideoCodec(VideoCodec.LibX264)).Arguments; Assert.AreEqual("-i \"input.mp4\" -c:v libx264 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Codec_Override() { var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", true, opt => opt.WithVideoCodec(VideoCodec.LibX264).ForcePixelFormat("yuv420p")).Arguments; Assert.AreEqual("-i \"input.mp4\" -c:v libx264 -pix_fmt yuv420p \"output.mp4\" -y", str); } [TestMethod] public void Builder_BuildString_Duration() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithDuration(TimeSpan.FromSeconds(20))).Arguments; Assert.AreEqual("-i \"input.mp4\" -t 00:00:20 \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Raw() { var str = FFMpegArguments.FromFileInput("input.mp4", false, opt => opt.WithCustomArgument(null!)) .OutputToFile("output.mp4", false, opt => opt.WithCustomArgument(null!)).Arguments; Assert.AreEqual(" -i \"input.mp4\" \"output.mp4\"", str); str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithCustomArgument("-acodec copy")).Arguments; Assert.AreEqual("-i \"input.mp4\" -acodec copy \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_ForcePixelFormat() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.ForcePixelFormat("yuv444p")).Arguments; Assert.AreEqual("-i \"input.mp4\" -pix_fmt yuv444p \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_PanAudioFilterChannelNumber() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithAudioFilters(filterOptions => filterOptions.Pan(2, "c0=c1", "c1=c1"))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -af \"pan=2c|c0=c1|c1=c1\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_PanAudioFilterChannelLayout() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithAudioFilters(filterOptions => filterOptions.Pan("stereo", "c0=c0", "c1=c1"))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -af \"pan=stereo|c0=c0|c1=c1\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_PanAudioFilterChannelNoOutputDefinition() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithAudioFilters(filterOptions => filterOptions.Pan("stereo"))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -af \"pan=stereo\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_DynamicAudioNormalizerDefaultFormat() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithAudioFilters(filterOptions => filterOptions.DynamicNormalizer())) .Arguments; Assert.AreEqual("-i \"input.mp4\" -af \"dynaudnorm=f=500:g=31:p=0.95:m=10.0:r=0.0:n=1:c=0:b=0:s=0.0\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_DynamicAudioNormalizerWithValuesFormat() { var str = FFMpegArguments.FromFileInput("input.mp4") .OutputToFile("output.mp4", false, opt => opt.WithAudioFilters(filterOptions => filterOptions.DynamicNormalizer(125, 13, 0.9215, 5.124, 0.5458, false, true, true, 0.3333333))) .Arguments; Assert.AreEqual("-i \"input.mp4\" -af \"dynaudnorm=f=125:g=13:p=0.92:m=5.1:r=0.5:n=0:c=1:b=1:s=0.3\" \"output.mp4\"", str); } [TestMethod] public void Builder_BuildString_Audible_AAXC_Decryption() { var str = FFMpegArguments.FromFileInput("input.aaxc", false, x => x.WithAudibleEncryptionKeys("123", "456")) .MapMetaData() .OutputToFile("output.m4b", true, x => x.WithTagVersion(3).DisableChannel(Channel.Video).CopyChannel(Channel.Audio)) .Arguments; Assert.AreEqual("-audible_key 123 -audible_iv 456 -i \"input.aaxc\" -map_metadata 0 -id3v2_version 3 -vn -c:a copy \"output.m4b\" -y", str); } } }