Merge pull request #126 from rosenbjerg/master

v.3.1.0

Former-commit-id: 590b2e11d1

.github/workflows/ci.yml

@@ -1,8 +1,9 @@
 name: CI
-on: push
+on: [push, pull_request]
 jobs:
   ci:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
     - uses: actions/checkout@v1
     - name: Prepare FFMpeg
@@ -11,7 +12,5 @@ jobs:
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: 3.1.101
-    - name: Build with dotnet
-      run: dotnet build
     - name: Test with dotnet
-      run: dotnet test
+      run: dotnet test --logger GitHubActions

.github/workflows/release.yml

@@ -1,6 +1,6 @@
 name: NuGet release
 on:
-  pull_request:
+  push:
     branches:
       - release
 jobs:
@@ -9,18 +9,15 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Prepare FFMpeg
-      if: github.event.pull_request.merged == false
       run: sudo apt-get update && sudo apt-get install -y ffmpeg
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 3.1.101
+        dotnet-version: 3.1
     - name: Build solution -c Release
       run: dotnet build
     - name: Run unit tests
-      if: github.event.pull_request.merged == false
       run: dotnet test
     - name: Publish NuGet package
-      if: github.event.pull_request.merged == true
       run: NUPKG=`find . -type f -name FFMpegCore*.nupkg` && dotnet nuget push $NUPKG -k ${{ secrets.NUGET_TOKEN }} -s https://api.nuget.org/v3/index.json
       

.nuget/nuget.exe.REMOVED.git-id

@@ -1 +0,0 @@
-ccb2979c5e1d27a7a36bde6e89fd874251462810

FFMpegCore.Test/ArgumentBuilderTest.cs

@@ -1,225 +1,318 @@
-using FFMpegCore.FFMPEG.Argument;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
-using FFMpegCore.FFMPEG.Enums;
-using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;
-using System.Collections.Generic;
+using FFMpegCore.Arguments;
+using FFMpegCore.Enums;
 
 namespace FFMpegCore.Test
 {
     [TestClass]
     public class ArgumentBuilderTest : BaseTest
     {
-        List<string> concatFiles = new List<string>
+        private readonly string[] _concatFiles = { "1.mp4", "2.mp4", "3.mp4", "4.mp4"};
-        { "1.mp4", "2.mp4", "3.mp4", "4.mp4"};
-
-        FFArgumentBuilder builder;
-
-        public ArgumentBuilderTest() : base()
-        {
-            builder = new FFArgumentBuilder();
-        }
-
-        private string GetArgumentsString(params Argument[] args)
-        {
-            var container = new ArgumentContainer();
-            container.Add(new InputArgument("input.mp4"));
-            foreach (var a in args)
-            {
-                container.Add(a);
-            }
-            container.Add(new OutputArgument("output.mp4"));
-
-            return builder.BuildArguments(container);
-        }
 
 
         [TestMethod]
         public void Builder_BuildString_IO_1()
         {
-            var str = GetArgumentsString();
+            var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4").Arguments;
-
+            Assert.AreEqual("-i \"input.mp4\" \"output.mp4\" -y", str);
-            Assert.AreEqual(str, "-i \"input.mp4\" \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Scale()
         {
-            var str = GetArgumentsString(new ScaleArgument(VideoSize.Hd));
+            var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", true, opt => opt.Scale(VideoSize.Hd)).Arguments;
-
+            Assert.AreEqual("-i \"input.mp4\" -vf scale=-1:720 \"output.mp4\" -y", str);
-            Assert.AreEqual(str, "-i \"input.mp4\" -vf scale=-1:720 \"output.mp4\"");
         }
         
         [TestMethod]
         public void Builder_BuildString_AudioCodec()
         {
-            var str = GetArgumentsString(new AudioCodecArgument(AudioCodec.Aac, AudioQuality.Normal));
+            var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", true, opt => opt.WithAudioCodec(AudioCodec.Aac)).Arguments;
-            Assert.AreEqual(str, "-i \"input.mp4\" -c:a aac -b:a 128k \"output.mp4\"");
+            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 = GetArgumentsString(new BitStreamFilterArgument(Channel.Audio, Filter.H264_Mp4ToAnnexB));
+            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);
+        }
         
-            Assert.AreEqual(str, "-i \"input.mp4\" -bsf:a h264_mp4toannexb \"output.mp4\"");
+        [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 container = new ArgumentContainer();
+            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);
-            container.Add(new ConcatArgument(concatFiles));
-            container.Add(new OutputArgument("output.mp4"));
-
-            var str = builder.BuildArguments(container);
-
-            Assert.AreEqual(str, "-i \"concat:1.mp4|2.mp4|3.mp4|4.mp4\" \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Copy_Audio()
         {
-            var str = GetArgumentsString(new CopyArgument(Channel.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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -c:a copy \"output.mp4\"");
         }
 
-
         [TestMethod]
         public void Builder_BuildString_Copy_Video()
         {
-            var str = GetArgumentsString(new CopyArgument(Channel.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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -c:v copy \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Copy_Both()
         {
-            var str = GetArgumentsString(new CopyArgument(Channel.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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -c copy \"output.mp4\"");
         }
 
         [TestMethod]
-        public void Builder_BuildString_CpuSpeed()
+        public void Builder_BuildString_DisableChannel_Audio()
         {
-            var str = GetArgumentsString(new CpuSpeedArgument(10));
+            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);
+        }
 
-            Assert.AreEqual(str, "-i \"input.mp4\" -quality good -cpu-used 10 -deadline realtime \"output.mp4\"");
+        [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.Transpose(Transposition.CounterClockwise90)).Arguments;
+            Assert.AreEqual("-i \"input.mp4\" -vf \"transpose=2\" \"output.mp4\"", str);
         }
 
         [TestMethod]
         public void Builder_BuildString_ForceFormat()
         {
-            var str = GetArgumentsString(new ForceFormatArgument(VideoCodec.LibX264));
+            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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -f libx264 \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_FrameOutputCount()
         {
-            var str = GetArgumentsString(new FrameOutputCountArgument(50));
+            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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -vframes 50 \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_FrameRate()
         {
-            var str = GetArgumentsString(new FrameRateArgument(50));
+            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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -r 50 \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Loop()
         {
-            var str = GetArgumentsString(new LoopArgument(50));
+            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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -loop 50 \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Seek()
         {
-            var str = GetArgumentsString(new SeekArgument(TimeSpan.FromSeconds(10)));
+            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 -i \"input.mp4\" -ss 00:00:10 \"output.mp4\"", str);
-            Assert.AreEqual(str, "-i \"input.mp4\" -ss 00:00:10 \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Shortest()
         {
-            var str = GetArgumentsString(new ShortestArgument(true));
+            var str = FFMpegArguments.FromFileInput("input.mp4").OutputToFile("output.mp4", false, opt => opt.UsingShortest()).Arguments;
-
+            Assert.AreEqual("-i \"input.mp4\" -shortest \"output.mp4\"", str);
-            Assert.AreEqual(str, "-i \"input.mp4\" -shortest \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Size()
         {
-            var str = GetArgumentsString(new SizeArgument(1920, 1080));
+            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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -s 1920x1080 \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Speed()
         {
-            var str = GetArgumentsString(new SpeedArgument(Speed.Fast));
+            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);
+        }
 
-            Assert.AreEqual(str, "-i \"input.mp4\" -preset fast \"output.mp4\"");
+        [TestMethod]
+        public void Builder_BuildString_DrawtextFilter()
+        {
+            var str = FFMpegArguments
+                .FromFileInput("input.mp4")
+                .OutputToFile("output.mp4", false, opt => opt
+                    .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
+                    .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_StartNumber()
         {
-            var str = GetArgumentsString(new StartNumberArgument(50));
+            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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -start_number 50 \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Threads_1()
         {
-            var str = GetArgumentsString(new ThreadsArgument(50));
+            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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -threads 50 \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Threads_2()
         {
-            var str = GetArgumentsString(new ThreadsArgument(true));
+            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);
-            Assert.AreEqual(str, $"-i \"input.mp4\" -threads {Environment.ProcessorCount} \"output.mp4\"");
         }
 
-
         [TestMethod]
         public void Builder_BuildString_Codec()
         {
-            var str = GetArgumentsString(new VideoCodecArgument(VideoCodec.LibX264));
+            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);
-            Assert.AreEqual(str, "-i \"input.mp4\" -c:v libx264 -pix_fmt yuv420p \"output.mp4\"");
         }
 
         [TestMethod]
         public void Builder_BuildString_Codec_Override()
         {
-            var str = GetArgumentsString(new VideoCodecArgument(VideoCodec.LibX264), new OverrideArgument());
+            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);
+        }
 
-            Assert.AreEqual(str, "-i \"input.mp4\" -c:v libx264 -pix_fmt yuv420p -y \"output.mp4\"");
+
+        [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_Duration() {
+        public void Builder_BuildString_Raw()
-            var str = GetArgumentsString(new DurationArgument(TimeSpan.FromSeconds(20)));
+        {
+            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);
 
-            Assert.AreEqual(str, "-i \"input.mp4\" -t 00:00:20 \"output.mp4\"");
+            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);
         }
     }
 }

FFMpegCore.Test/AudioTest.cs

@@ -1,4 +1,5 @@
-using FFMpegCore.Enums;
+using System;
+using FFMpegCore.Enums;
 using FFMpegCore.Test.Resources;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System.IO;
@@ -15,14 +16,12 @@ public void Audio_Remove()
 
             try
             {
-                Encoder.Mute(VideoInfo.FromFileInfo(Input), output);
+                FFMpeg.Mute(Input.FullName, output);
-
+                Assert.IsTrue(File.Exists(output));
-                Assert.IsTrue(File.Exists(output.FullName));
             }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output)) File.Delete(output);
-                    output.Delete();
             }
         }
 
@@ -33,14 +32,12 @@ public void Audio_Save()
 
             try
             {
-                Encoder.ExtractAudio(VideoInfo.FromFileInfo(Input), output);
+                FFMpeg.ExtractAudio(Input.FullName, output);
-
+                Assert.IsTrue(File.Exists(output));
-                Assert.IsTrue(File.Exists(output.FullName));
             }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output)) File.Delete(output);
-                    output.Delete();
             }
         }
 
@@ -50,16 +47,17 @@ public void Audio_Add()
             var output = Input.OutputLocation(VideoType.Mp4);
             try
             {
-                var input = VideoInfo.FromFileInfo(VideoLibrary.LocalVideoNoAudio);
+                var success = FFMpeg.ReplaceAudio(VideoLibrary.LocalVideoNoAudio.FullName, VideoLibrary.LocalAudio.FullName, output);
-                Encoder.ReplaceAudio(input, VideoLibrary.LocalAudio, output);
+                Assert.IsTrue(success);
-
+                var audioAnalysis = FFProbe.Analyse(VideoLibrary.LocalVideoNoAudio.FullName);
-                Assert.AreEqual(input.Duration, VideoInfo.FromFileInfo(output).Duration);
+                var videoAnalysis = FFProbe.Analyse(VideoLibrary.LocalAudio.FullName);
-                Assert.IsTrue(File.Exists(output.FullName));
+                var outputAnalysis = FFProbe.Analyse(output);
+                Assert.AreEqual(Math.Max(videoAnalysis.Duration.TotalSeconds, audioAnalysis.Duration.TotalSeconds), outputAnalysis.Duration.TotalSeconds, 0.15);
+                Assert.IsTrue(File.Exists(output));
             }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output)) File.Delete(output);
-                    output.Delete();
             }
         }
 
@@ -70,14 +68,14 @@ public void Image_AddAudio()
 
             try
             {
-                var result = Encoder.PosterWithAudio(new FileInfo(VideoLibrary.LocalCover.FullName), VideoLibrary.LocalAudio, output);
+                FFMpeg.PosterWithAudio(VideoLibrary.LocalCover.FullName, VideoLibrary.LocalAudio.FullName, output);
-                Assert.IsTrue(result.Duration.TotalSeconds > 0);
+                var analysis = FFProbe.Analyse(VideoLibrary.LocalAudio.FullName);
-                Assert.IsTrue(result.Exists);
+                Assert.IsTrue(analysis.Duration.TotalSeconds > 0);
+                Assert.IsTrue(File.Exists(output));
             }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output)) File.Delete(output);
-                    output.Delete();
             }
         }
     }

FFMpegCore.Test/BaseTest.cs

@@ -1,17 +1,14 @@
-using FFMpegCore.FFMPEG;
+using FFMpegCore.Test.Resources;
-using FFMpegCore.Test.Resources;
 using System.IO;
 
 namespace FFMpegCore.Test
 {
     public class BaseTest
     {
-        protected FFMpeg Encoder;
         protected FileInfo Input;
 
         public BaseTest()
         {
-            Encoder = new FFMpeg();
             Input = VideoLibrary.LocalVideo;
         }
     }

FFMpegCore.Test/BitmapSources.cs

@@ -0,0 +1,220 @@
+using FFMpegCore.Extend;
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Numerics;
+using FFMpegCore.Pipes;
+
+namespace FFMpegCore.Test
+{
+    static class BitmapSource
+    {
+        public static IEnumerable<IVideoFrame> CreateBitmaps(int count, PixelFormat fmt, int w, int h)
+        {
+            for (int i = 0; i < count; i++)
+            {
+                using (var frame = CreateVideoFrame(i, fmt, w, h, 0.025f, 0.025f * w * 0.03f))
+                {
+                    yield return frame;
+                }
+            }
+        }
+
+        private static BitmapVideoFrameWrapper CreateVideoFrame(int index, PixelFormat fmt, int w, int h, float scaleNoise, float offset)
+        {
+            var bitmap = new Bitmap(w, h, fmt);
+
+            offset = offset * index;
+
+            for (int y = 0; y < h; y++)
+                for (int x = 0; x < w; x++)
+                {
+                    var xf = x / (float)w;
+                    var yf = y / (float)h;
+                    var nx = x * scaleNoise + offset;
+                    var ny = y * scaleNoise + offset;
+
+                    var value = (int)((Perlin.Noise(nx, ny) + 1.0f) / 2.0f * 255);
+
+                    var color = Color.FromArgb((int)(value * xf), (int)(value * yf), value);
+
+                    bitmap.SetPixel(x, y, color);
+                }
+
+            return new BitmapVideoFrameWrapper(bitmap);
+        }
+
+        //
+        // Perlin noise generator for Unity
+        // Keijiro Takahashi, 2013, 2015
+        // https://github.com/keijiro/PerlinNoise
+        //
+        // Based on the original implementation by Ken Perlin
+        // http://mrl.nyu.edu/~perlin/noise/
+        //
+        static class Perlin
+        {
+            #region Noise functions
+
+            public static float Noise(float x)
+            {
+                var X = (int)MathF.Floor(x) & 0xff;
+                x -= MathF.Floor(x);
+                var u = Fade(x);
+                return Lerp(u, Grad(perm[X], x), Grad(perm[X + 1], x - 1)) * 2;
+            }
+
+            public static float Noise(float x, float y)
+            {
+                var X = (int)MathF.Floor(x) & 0xff;
+                var Y = (int)MathF.Floor(y) & 0xff;
+                x -= MathF.Floor(x);
+                y -= MathF.Floor(y);
+                var u = Fade(x);
+                var v = Fade(y);
+                var A = (perm[X] + Y) & 0xff;
+                var B = (perm[X + 1] + Y) & 0xff;
+                return Lerp(v, Lerp(u, Grad(perm[A], x, y), Grad(perm[B], x - 1, y)),
+                               Lerp(u, Grad(perm[A + 1], x, y - 1), Grad(perm[B + 1], x - 1, y - 1)));
+            }
+
+            public static float Noise(Vector2 coord)
+            {
+                return Noise(coord.X, coord.Y);
+            }
+
+            public static float Noise(float x, float y, float z)
+            {
+                var X = (int)MathF.Floor(x) & 0xff;
+                var Y = (int)MathF.Floor(y) & 0xff;
+                var Z = (int)MathF.Floor(z) & 0xff;
+                x -= MathF.Floor(x);
+                y -= MathF.Floor(y);
+                z -= MathF.Floor(z);
+                var u = Fade(x);
+                var v = Fade(y);
+                var w = Fade(z);
+                var A = (perm[X] + Y) & 0xff;
+                var B = (perm[X + 1] + Y) & 0xff;
+                var AA = (perm[A] + Z) & 0xff;
+                var BA = (perm[B] + Z) & 0xff;
+                var AB = (perm[A + 1] + Z) & 0xff;
+                var BB = (perm[B + 1] + Z) & 0xff;
+                return Lerp(w, Lerp(v, Lerp(u, Grad(perm[AA], x, y, z), Grad(perm[BA], x - 1, y, z)),
+                                       Lerp(u, Grad(perm[AB], x, y - 1, z), Grad(perm[BB], x - 1, y - 1, z))),
+                               Lerp(v, Lerp(u, Grad(perm[AA + 1], x, y, z - 1), Grad(perm[BA + 1], x - 1, y, z - 1)),
+                                       Lerp(u, Grad(perm[AB + 1], x, y - 1, z - 1), Grad(perm[BB + 1], x - 1, y - 1, z - 1))));
+            }
+
+            public static float Noise(Vector3 coord)
+            {
+                return Noise(coord.X, coord.Y, coord.Z);
+            }
+
+            #endregion
+
+            #region fBm functions
+
+            public static float Fbm(float x, int octave)
+            {
+                var f = 0.0f;
+                var w = 0.5f;
+                for (var i = 0; i < octave; i++)
+                {
+                    f += w * Noise(x);
+                    x *= 2.0f;
+                    w *= 0.5f;
+                }
+                return f;
+            }
+
+            public static float Fbm(Vector2 coord, int octave)
+            {
+                var f = 0.0f;
+                var w = 0.5f;
+                for (var i = 0; i < octave; i++)
+                {
+                    f += w * Noise(coord);
+                    coord *= 2.0f;
+                    w *= 0.5f;
+                }
+                return f;
+            }
+
+            public static float Fbm(float x, float y, int octave)
+            {
+                return Fbm(new Vector2(x, y), octave);
+            }
+
+            public static float Fbm(Vector3 coord, int octave)
+            {
+                var f = 0.0f;
+                var w = 0.5f;
+                for (var i = 0; i < octave; i++)
+                {
+                    f += w * Noise(coord);
+                    coord *= 2.0f;
+                    w *= 0.5f;
+                }
+                return f;
+            }
+
+            public static float Fbm(float x, float y, float z, int octave)
+            {
+                return Fbm(new Vector3(x, y, z), octave);
+            }
+
+            #endregion
+
+            #region Private functions
+
+            static float Fade(float t)
+            {
+                return t * t * t * (t * (t * 6 - 15) + 10);
+            }
+
+            static float Lerp(float t, float a, float b)
+            {
+                return a + t * (b - a);
+            }
+
+            static float Grad(int hash, float x)
+            {
+                return (hash & 1) == 0 ? x : -x;
+            }
+
+            static float Grad(int hash, float x, float y)
+            {
+                return ((hash & 1) == 0 ? x : -x) + ((hash & 2) == 0 ? y : -y);
+            }
+
+            static float Grad(int hash, float x, float y, float z)
+            {
+                var h = hash & 15;
+                var u = h < 8 ? x : y;
+                var v = h < 4 ? y : (h == 12 || h == 14 ? x : z);
+                return ((h & 1) == 0 ? u : -u) + ((h & 2) == 0 ? v : -v);
+            }
+
+            static int[] perm = {
+        151,160,137,91,90,15,
+        131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,
+        190, 6,148,247,120,234,75,0,26,197,62,94,252,219,203,117,35,11,32,57,177,33,
+        88,237,149,56,87,174,20,125,136,171,168, 68,175,74,165,71,134,139,48,27,166,
+        77,146,158,231,83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,
+        102,143,54, 65,25,63,161, 1,216,80,73,209,76,132,187,208, 89,18,169,200,196,
+        135,130,116,188,159,86,164,100,109,198,173,186, 3,64,52,217,226,250,124,123,
+        5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,58,17,182,189,28,42,
+        223,183,170,213,119,248,152, 2,44,154,163, 70,221,153,101,155,167, 43,172,9,
+        129,22,39,253, 19,98,108,110,79,113,224,232,178,185, 112,104,218,246,97,228,
+        251,34,242,193,238,210,144,12,191,179,162,241, 81,51,145,235,249,14,239,107,
+        49,192,214, 31,181,199,106,157,184, 84,204,176,115,121,50,45,127, 4,150,254,
+        138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180,
+        151
+    };
+
+            #endregion
+        }
+    }
+}

FFMpegCore.Test/FFMpegCore.Test.csproj

@@ -4,22 +4,42 @@
     <TargetFramework>netcoreapp3.1</TargetFramework>
 
     <IsPackable>false</IsPackable>
+
+    <Nullable>disable</Nullable>
+
+    <LangVersion>default</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
     <None Remove="ffmpeg.config.json" />
+    <None Update="Resources\input.webm">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\input_3sec.mp4">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\input_3sec.webm">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\input_audio_only_10sec.mp4">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Resources\input_video_only_3sec.mp4">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
 
   <ItemGroup>
     <Content Include="ffmpeg.config.json">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="GitHubActionsTestLogger" Version="1.1.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="1.4.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.1.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.1.2" />
   </ItemGroup>
 
   <ItemGroup>

FFMpegCore.Test/FFMpegOptionsTests.cs

@@ -1,5 +1,4 @@
-using FFMpegCore.FFMPEG;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Newtonsoft.Json;
 using System.IO;
 
@@ -17,7 +16,7 @@ public void Options_Initialized()
         [TestMethod]
         public void Options_Defaults_Configured()
         {
-            Assert.AreEqual(new FFMpegOptions().RootDirectory, $".{Path.DirectorySeparatorChar}FFMPEG{Path.DirectorySeparatorChar}bin");
+            Assert.AreEqual(new FFMpegOptions().RootDirectory, $"");
         }
 
         [TestMethod]
@@ -25,12 +24,12 @@ public void Options_Loaded_From_File()
         {
             Assert.AreEqual(
                 FFMpegOptions.Options.RootDirectory, 
-                JsonConvert.DeserializeObject<FFMpegOptions>(File.ReadAllText($".{Path.DirectorySeparatorChar}ffmpeg.config.json")).RootDirectory
+                JsonConvert.DeserializeObject<FFMpegOptions>(File.ReadAllText("ffmpeg.config.json")).RootDirectory
             );
         }
 
         [TestMethod]
-        public void Options_Overrided()
+        public void Options_Set_Programmatically()
         {
             var original = FFMpegOptions.Options; 
             try

FFMpegCore.Test/FFMpegTest.cs

@@ -1,19 +0,0 @@
-using FFMpegCore.FFMPEG;
-using Microsoft.VisualStudio.TestTools.UnitTesting;
-
-namespace FFMpegCore.Test
-{
-    [TestClass]
-    public class FFMpegTest
-    {
-        [TestMethod]
-        public void CTOR_Default()
-        {
-            var encoder = new FFMpeg();
-            var probe = new FFProbe();
-
-            Assert.IsNotNull(encoder);
-            Assert.IsNotNull(probe);
-        }
-    }
-}

FFMpegCore.Test/FFProbeTests.cs

@@ -0,0 +1,70 @@
+using System.IO;
+using System.Threading.Tasks;
+using FFMpegCore.Test.Resources;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace FFMpegCore.Test
+{
+    [TestClass]
+    public class FFProbeTests
+    {
+        [TestMethod]
+        public void Probe_TooLongOutput()
+        {
+            Assert.ThrowsException<System.Text.Json.JsonException>(() => FFProbe.Analyse(VideoLibrary.LocalVideo.FullName, 5));
+        }
+        
+        [TestMethod]
+        public void Probe_Success()
+        {
+            var info = FFProbe.Analyse(VideoLibrary.LocalVideo.FullName);
+            Assert.AreEqual(3, info.Duration.Seconds);
+            Assert.AreEqual(".mp4", info.Extension);
+            Assert.AreEqual(VideoLibrary.LocalVideo.FullName, info.Path);
+            
+            Assert.AreEqual("5.1", info.PrimaryAudioStream.ChannelLayout);
+            Assert.AreEqual(6, info.PrimaryAudioStream.Channels);
+            Assert.AreEqual("AAC (Advanced Audio Coding)", info.PrimaryAudioStream.CodecLongName);
+            Assert.AreEqual("aac", info.PrimaryAudioStream.CodecName);
+            Assert.AreEqual("LC", info.PrimaryAudioStream.Profile);
+            Assert.AreEqual(377351, info.PrimaryAudioStream.BitRate);
+            Assert.AreEqual(48000, info.PrimaryAudioStream.SampleRateHz);
+            
+            Assert.AreEqual(1471810, info.PrimaryVideoStream.BitRate);
+            Assert.AreEqual(16, info.PrimaryVideoStream.DisplayAspectRatio.Width);
+            Assert.AreEqual(9, info.PrimaryVideoStream.DisplayAspectRatio.Height);
+            Assert.AreEqual("yuv420p", info.PrimaryVideoStream.PixelFormat);
+            Assert.AreEqual(1280, info.PrimaryVideoStream.Width);
+            Assert.AreEqual(720, info.PrimaryVideoStream.Height);
+            Assert.AreEqual(25, info.PrimaryVideoStream.AvgFrameRate);
+            Assert.AreEqual(25, info.PrimaryVideoStream.FrameRate);
+            Assert.AreEqual("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10", info.PrimaryVideoStream.CodecLongName);
+            Assert.AreEqual("h264", info.PrimaryVideoStream.CodecName);
+            Assert.AreEqual(8, info.PrimaryVideoStream.BitsPerRawSample);
+            Assert.AreEqual("Main", info.PrimaryVideoStream.Profile);
+        }
+        
+        [TestMethod, Timeout(10000)]
+        public async Task Probe_Async_Success()
+        {
+            var info = await FFProbe.AnalyseAsync(VideoLibrary.LocalVideo.FullName);
+            Assert.AreEqual(3, info.Duration.Seconds);
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Probe_Success_FromStream()
+        {
+            using var stream = File.OpenRead(VideoLibrary.LocalVideoWebm.FullName);
+            var info = FFProbe.Analyse(stream);
+            Assert.AreEqual(3, info.Duration.Seconds);
+        }
+
+        [TestMethod, Timeout(10000)]
+        public async Task Probe_Success_FromStream_Async()
+        {
+            await using var stream = File.OpenRead(VideoLibrary.LocalVideoWebm.FullName);
+            var info = await FFProbe.AnalyseAsync(stream);
+            Assert.AreEqual(3, info.Duration.Seconds);
+        }
+    }
+}

FFMpegCore.Test/PixelFormatTests.cs

@@ -0,0 +1,41 @@
+using FFMpegCore.Exceptions;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace FFMpegCore.Test
+{
+    [TestClass]
+    public class PixelFormatTests
+    {
+        [TestMethod]
+        public void PixelFormats_Enumerate()
+        {
+            var formats = FFMpeg.GetPixelFormats();
+            Assert.IsTrue(formats.Count > 0);
+        }
+
+        [TestMethod]
+        public void PixelFormats_TryGetExisting()
+        {
+            Assert.IsTrue(FFMpeg.TryGetPixelFormat("yuv420p", out _));
+        }
+
+        [TestMethod]
+        public void PixelFormats_TryGetNotExisting()
+        {
+            Assert.IsFalse(FFMpeg.TryGetPixelFormat("yuv420pppUnknown", out _));
+        }
+        
+        [TestMethod]
+        public void PixelFormats_GetExisting()
+        {
+            var fmt = FFMpeg.GetPixelFormat("yuv420p");
+            Assert.IsTrue(fmt.Components == 3 && fmt.BitsPerPixel == 12);
+        }
+
+        [TestMethod]
+        public void PixelFormats_GetNotExisting()
+        {
+            Assert.ThrowsException<FFMpegException>(() => FFMpeg.GetPixelFormat("yuv420pppUnknown"));
+        }
+    }
+}

FFMpegCore.Test/Resources/VideoLibrary.cs

@@ -16,35 +16,36 @@ public enum ImageType
 
     public static class VideoLibrary
     {
-        public static readonly FileInfo LocalVideo = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}input.mp4");
+        public static readonly FileInfo LocalVideo = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}input_3sec.mp4");
-        public static readonly FileInfo LocalVideoAudioOnly = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}audio_only.mp4");
+        public static readonly FileInfo LocalVideoWebm = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}input_3sec.webm");
-        public static readonly FileInfo LocalVideoNoAudio = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}mute.mp4");
+        public static readonly FileInfo LocalVideoAudioOnly = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}input_audio_only_10sec.mp4");
+        public static readonly FileInfo LocalVideoNoAudio = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}input_video_only_3sec.mp4");
         public static readonly FileInfo LocalAudio = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}audio.mp3");
         public static readonly FileInfo LocalCover = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}cover.png");
         public static readonly FileInfo ImageDirectory = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}images");
         public static readonly FileInfo ImageJoinOutput = new FileInfo($".{Path.DirectorySeparatorChar}Resources{Path.DirectorySeparatorChar}images{Path.DirectorySeparatorChar}output.mp4");
 
-        public static FileInfo OutputLocation(this FileInfo file, VideoType type)
+        public static string OutputLocation(this FileInfo file, ContainerFormat type)
         {
-            return OutputLocation(file, type, "_converted");
+            return OutputLocation(file, type.Extension, "_converted");
         }
 
-        public static FileInfo OutputLocation(this FileInfo file, AudioType type)
+        public static string OutputLocation(this FileInfo file, AudioType type)
         {
-            return OutputLocation(file, type, "_audio");
+            return OutputLocation(file, type.ToString(), "_audio");
         }
 
-        public static FileInfo OutputLocation(this FileInfo file, ImageType type)
+        public static string OutputLocation(this FileInfo file, ImageType type)
         {
-            return OutputLocation(file, type, "_screenshot");
+            return OutputLocation(file, type.ToString(), "_screenshot");
         }
 
-        public static FileInfo OutputLocation(this FileInfo file, Enum type, string keyword)
+        public static string OutputLocation(this FileInfo file, string type, string keyword)
         {
             string originalLocation = file.Directory.FullName,
-                outputFile = file.Name.Replace(file.Extension, keyword + "." + type.ToString().ToLower());
+                outputFile = file.Name.Replace(file.Extension, keyword + "." + type.ToLowerInvariant());
 
-            return new FileInfo($"{originalLocation}{Path.DirectorySeparatorChar}{outputFile}");
+            return $"{originalLocation}{Path.DirectorySeparatorChar}{Guid.NewGuid()}_{outputFile}";
         }
     }
 }

FFMpegCore.Test/TasksExtensions.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+
+namespace FFMpegCore.Test
+{
+    static class TasksExtensions
+    {
+        public static T WaitForResult<T>(this Task<T> task) =>
+            task.ConfigureAwait(false).GetAwaiter().GetResult();
+    }
+}

FFMpegCore.Test/VideoTest.cs

@@ -1,284 +1,528 @@
 using FFMpegCore.Enums;
-using FFMpegCore.FFMPEG.Argument;
-using FFMpegCore.FFMPEG.Enums;
 using FFMpegCore.Test.Resources;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Drawing.Imaging;
 using System.IO;
 using System.Linq;
+using System.Threading.Tasks;
+using FFMpegCore.Arguments;
+using FFMpegCore.Exceptions;
+using FFMpegCore.Pipes;
 
 namespace FFMpegCore.Test
 {
     [TestClass]
     public class VideoTest : BaseTest
     {
-        public bool Convert(VideoType type, bool multithreaded = false, VideoSize size = VideoSize.Original)
+        public bool Convert(ContainerFormat type, bool multithreaded = false, VideoSize size = VideoSize.Original)
         {
             var output = Input.OutputLocation(type);
 
             try
             {
-                var input = VideoInfo.FromFileInfo(Input);
+                var input = FFProbe.Analyse(Input.FullName);
+                FFMpeg.Convert(input, output, type, size: size, multithreaded: multithreaded);
+                var outputVideo = FFProbe.Analyse(output);
 
-                Encoder.Convert(input, output, type, size: size, multithreaded: multithreaded);
+                Assert.IsTrue(File.Exists(output));
-
+                Assert.AreEqual(outputVideo.Duration.TotalSeconds, input.Duration.TotalSeconds, 0.1);
-                var outputVideo = new VideoInfo(output.FullName);
-
-                Assert.IsTrue(File.Exists(output.FullName));
-                Assert.AreEqual(outputVideo.Duration, input.Duration);
                 if (size == VideoSize.Original)
                 {
-                    Assert.AreEqual(outputVideo.Width, input.Width);
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
-                    Assert.AreEqual(outputVideo.Height, input.Height);
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
                 }
                 else
                 {
-                    Assert.AreNotEqual(outputVideo.Width, input.Width);
+                    Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
-                    Assert.AreNotEqual(outputVideo.Height, input.Height);
+                    Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
-                    Assert.AreEqual(outputVideo.Height, (int)size);
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, (int)size);
                 }
-                return File.Exists(output.FullName) &&
+                return File.Exists(output) &&
                        outputVideo.Duration == input.Duration &&
                        (
                            (
                            size == VideoSize.Original &&
-                           outputVideo.Width == input.Width &&
+                           outputVideo.PrimaryVideoStream.Width == input.PrimaryVideoStream.Width &&
-                           outputVideo.Height == input.Height
+                           outputVideo.PrimaryVideoStream.Height == input.PrimaryVideoStream.Height
                            ) ||
                            (
                            size != VideoSize.Original &&
-                           outputVideo.Width != input.Width &&
+                           outputVideo.PrimaryVideoStream.Width != input.PrimaryVideoStream.Width &&
-                           outputVideo.Height != input.Height &&
+                           outputVideo.PrimaryVideoStream.Height != input.PrimaryVideoStream.Height &&
-                           outputVideo.Height == (int)size
+                           outputVideo.PrimaryVideoStream.Height == (int)size
                            )
                        );
             }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output))
-                    File.Delete(output.FullName);
+                    File.Delete(output);
             }
         }
 
-        public void Convert(VideoType type, ArgumentContainer container)
+        private void ConvertFromStreamPipe(ContainerFormat type, params IArgument[] arguments)
         {
             var output = Input.OutputLocation(type);
 
             try
             {
-                var input = VideoInfo.FromFileInfo(Input);
+                var input = FFProbe.Analyse(VideoLibrary.LocalVideoWebm.FullName);
-
+                using var inputStream = File.OpenRead(input.Path);
-                var arguments = new ArgumentContainer();
+                var processor = FFMpegArguments
-                arguments.Add(new InputArgument(input));
+                    .FromPipeInput(new StreamPipeSource(inputStream))
-                foreach (var arg in container)
+                    .OutputToFile(output, false, opt =>
                     {
-                    arguments.Add(arg.Value);
+                        foreach (var arg in arguments)
-                }
+                            opt.WithArgument(arg);
-                arguments.Add(new OutputArgument(output));
+                    });
 
-                var scaling = container.Find<ScaleArgument>();
+                var scaling = arguments.OfType<ScaleArgument>().FirstOrDefault();
 
-                Encoder.Convert(arguments);
+                var success = processor.ProcessSynchronously();
 
-                var outputVideo = new VideoInfo(output.FullName);
+                var outputVideo = FFProbe.Analyse(output);
 
-                Assert.IsTrue(File.Exists(output.FullName));
+                Assert.IsTrue(success);
-                Assert.AreEqual(outputVideo.Duration, input.Duration);
+                Assert.IsTrue(File.Exists(output));
+                Assert.IsTrue(Math.Abs((outputVideo.Duration - input.Duration).TotalMilliseconds) < 1000.0 / input.PrimaryVideoStream.FrameRate);
 
-                if (scaling == null)
+                if (scaling?.Size == null)
                 {
-                    Assert.AreEqual(outputVideo.Width, input.Width);
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
-                    Assert.AreEqual(outputVideo.Height, input.Height);
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
                 }
                 else
                 {
-                    if (scaling.Value.Width != -1)
+                    if (scaling.Size.Value.Width != -1)
                     {
-                        Assert.AreEqual(outputVideo.Width, scaling.Value.Width);
+                        Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, scaling.Size.Value.Width);
                     }
 
-                    if (scaling.Value.Height != -1)
+                    if (scaling.Size.Value.Height != -1)
                     {
-                        Assert.AreEqual(outputVideo.Height, scaling.Value.Height);
+                        Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, scaling.Size.Value.Height);
                     }
 
-                    Assert.AreNotEqual(outputVideo.Width, input.Width);
+                    Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
-                    Assert.AreNotEqual(outputVideo.Height, input.Height);
+                    Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
                 }
             }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output))
-                    File.Delete(output.FullName);
+                    File.Delete(output);
             }
         }
 
-        [TestMethod]
+        private void ConvertToStreamPipe(params IArgument[] arguments)
+        {
+            using var ms = new MemoryStream();
+            var processor = FFMpegArguments
+                .FromFileInput(VideoLibrary.LocalVideo)
+                .OutputToPipe(new StreamPipeSink(ms), opt =>
+                {
+                    foreach (var arg in arguments)
+                        opt.WithArgument(arg);
+                });
+
+            var scaling = arguments.OfType<ScaleArgument>().FirstOrDefault();
+
+            processor.ProcessSynchronously();
+
+            ms.Position = 0;
+            var outputVideo = FFProbe.Analyse(ms);
+
+            var input = FFProbe.Analyse(VideoLibrary.LocalVideo.FullName);
+            // Assert.IsTrue(Math.Abs((outputVideo.Duration - input.Duration).TotalMilliseconds) < 1000.0 / input.PrimaryVideoStream.FrameRate);
+
+            if (scaling?.Size == null)
+            {
+                Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
+                Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
+            }
+            else
+            {
+                if (scaling.Size.Value.Width != -1)
+                {
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, scaling.Size.Value.Width);
+                }
+
+                if (scaling.Size.Value.Height != -1)
+                {
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, scaling.Size.Value.Height);
+                }
+
+                Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
+                Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
+            }
+        }
+
+        public void Convert(ContainerFormat type, Action<IMediaAnalysis> validationMethod, params IArgument[] arguments)
+        {
+            var output = Input.OutputLocation(type);
+
+            try
+            {
+                var input = FFProbe.Analyse(Input.FullName);
+
+                var processor = FFMpegArguments
+                    .FromFileInput(VideoLibrary.LocalVideo)
+                    .OutputToFile(output, false, opt =>
+                {
+                    foreach (var arg in arguments)
+                        opt.WithArgument(arg);
+                });
+
+                var scaling = arguments.OfType<ScaleArgument>().FirstOrDefault();
+                processor.ProcessSynchronously();
+
+                var outputVideo = FFProbe.Analyse(output);
+
+                Assert.IsTrue(File.Exists(output));
+                Assert.AreEqual(outputVideo.Duration.TotalSeconds, input.Duration.TotalSeconds, 0.1);
+                validationMethod?.Invoke(outputVideo);
+                if (scaling?.Size == null)
+                {
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
+                }
+                else
+                {
+                    if (scaling.Size.Value.Width != -1)
+                    {
+                        Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, scaling.Size.Value.Width);
+                    }
+
+                    if (scaling.Size.Value.Height != -1)
+                    {
+                        Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, scaling.Size.Value.Height);
+                    }
+
+                    Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Width, input.PrimaryVideoStream.Width);
+                    Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Height, input.PrimaryVideoStream.Height);
+                }
+            }
+            finally
+            {
+                if (File.Exists(output))
+                    File.Delete(output);
+            }
+        }
+
+        public void Convert(ContainerFormat type, params IArgument[] inputArguments)
+        {
+            Convert(type, null, inputArguments);
+        }
+
+        public void ConvertFromPipe(ContainerFormat type, System.Drawing.Imaging.PixelFormat fmt, params IArgument[] arguments)
+        {
+            var output = Input.OutputLocation(type);
+
+            try
+            {
+                var videoFramesSource = new RawVideoPipeSource(BitmapSource.CreateBitmaps(128, fmt, 256, 256));
+                var processor = FFMpegArguments.FromPipeInput(videoFramesSource).OutputToFile(output, false, opt =>
+                {
+                    foreach (var arg in arguments)
+                        opt.WithArgument(arg);
+                });
+                var scaling = arguments.OfType<ScaleArgument>().FirstOrDefault();
+                processor.ProcessSynchronously();
+
+                var outputVideo = FFProbe.Analyse(output);
+
+                Assert.IsTrue(File.Exists(output));
+
+                if (scaling?.Size == null)
+                {
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, videoFramesSource.Width);
+                    Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, videoFramesSource.Height);
+                }
+                else
+                {
+                    if (scaling.Size.Value.Width != -1)
+                    {
+                        Assert.AreEqual(outputVideo.PrimaryVideoStream.Width, scaling.Size.Value.Width);
+                    }
+
+                    if (scaling.Size.Value.Height != -1)
+                    {
+                        Assert.AreEqual(outputVideo.PrimaryVideoStream.Height, scaling.Size.Value.Height);
+                    }
+
+                    Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Width, videoFramesSource.Width);
+                    Assert.AreNotEqual(outputVideo.PrimaryVideoStream.Height, videoFramesSource.Height);
+                }
+            }
+            finally
+            {
+                if (File.Exists(output))
+                    File.Delete(output);
+            }
+
+        }
+
+        [TestMethod, Timeout(10000)]
         public void Video_ToMP4()
         {
             Convert(VideoType.Mp4);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
-        public void Video_ToMP4_Args()
+        public void Video_ToMP4_YUV444p()
         {
-            var container = new ArgumentContainer();
+            Convert(VideoType.Mp4, (a) => Assert.IsTrue(a.VideoStreams.First().PixelFormat == "yuv444p"), 
-            container.Add(new VideoCodecArgument(VideoCodec.LibX264));
+                new ForcePixelFormat("yuv444p"));
-            Convert(VideoType.Mp4, container);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
+        public void Video_ToMP4_Args()
+        {
+            Convert(VideoType.Mp4, new VideoCodecArgument(VideoCodec.LibX264));
+        }
+
+        [DataTestMethod, Timeout(10000)]
+        [DataRow(System.Drawing.Imaging.PixelFormat.Format24bppRgb)]
+        [DataRow(System.Drawing.Imaging.PixelFormat.Format32bppArgb)]
+        // [DataRow(PixelFormat.Format48bppRgb)]
+        public void Video_ToMP4_Args_Pipe(System.Drawing.Imaging.PixelFormat pixelFormat)
+        {
+            ConvertFromPipe(VideoType.Mp4, pixelFormat, new VideoCodecArgument(VideoCodec.LibX264));
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Video_ToMP4_Args_StreamPipe()
+        {
+            ConvertFromStreamPipe(VideoType.Mp4, new VideoCodecArgument(VideoCodec.LibX264));
+        }
+
+        [TestMethod, Timeout(10000)]
+        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(VideoLibrary.LocalVideo)
+                    .OutputToPipe(pipeSource, opt => opt.ForceFormat("mkv"))
+                    .ProcessAsynchronously();
+            });
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Video_ToMP4_Args_StreamOutputPipe_Failure()
+        {
+            Assert.ThrowsException<FFMpegException>(() => ConvertToStreamPipe(new ForceFormatArgument("mkv")));
+        }
+
+
+        [TestMethod, Timeout(10000)]
+        public void Video_ToMP4_Args_StreamOutputPipe_Async()
+        {
+            using var ms = new MemoryStream();
+            var pipeSource = new StreamPipeSink(ms);
+            FFMpegArguments
+                .FromFileInput(VideoLibrary.LocalVideo)
+                .OutputToPipe(pipeSource, opt => opt
+                    .WithVideoCodec(VideoCodec.LibX264)
+                    .ForceFormat("matroska"))
+                .ProcessAsynchronously()
+                .WaitForResult();
+        }
+
+        [TestMethod, Timeout(10000)]
+        public async Task TestDuplicateRun()
+        {
+            FFMpegArguments.FromFileInput(VideoLibrary.LocalVideo)
+                .OutputToFile("temporary.mp4")
+                .ProcessSynchronously();
+            
+            await FFMpegArguments.FromFileInput(VideoLibrary.LocalVideo)
+                .OutputToFile("temporary.mp4")
+                .ProcessAsynchronously();
+            
+            File.Delete("temporary.mp4");
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Video_ToMP4_Args_StreamOutputPipe()
+        {
+            ConvertToStreamPipe(new VideoCodecArgument(VideoCodec.LibX264), new ForceFormatArgument("matroska"));
+        }
+
+        [TestMethod, Timeout(10000)]
         public void Video_ToTS()
         {
             Convert(VideoType.Ts);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_ToTS_Args()
         {
-            var container = new ArgumentContainer();
+            Convert(VideoType.Ts,
-            container.Add(new CopyArgument());
+                new CopyArgument(),
-            container.Add(new BitStreamFilterArgument(Channel.Video, Filter.H264_Mp4ToAnnexB));
+                new BitStreamFilterArgument(Channel.Video, Filter.H264_Mp4ToAnnexB),
-            container.Add(new ForceFormatArgument(VideoCodec.MpegTs));
+                new ForceFormatArgument(VideoType.MpegTs));
-            Convert(VideoType.Ts, container);
         }
 
+        [DataTestMethod, Timeout(10000)]
+        [DataRow(System.Drawing.Imaging.PixelFormat.Format24bppRgb)]
+        [DataRow(System.Drawing.Imaging.PixelFormat.Format32bppArgb)]
+        // [DataRow(PixelFormat.Format48bppRgb)]
+        public void Video_ToTS_Args_Pipe(System.Drawing.Imaging.PixelFormat pixelFormat)
+        {
+            ConvertFromPipe(VideoType.Ts, pixelFormat, new ForceFormatArgument(VideoType.Ts));
+        }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_ToOGV_Resize()
         {
             Convert(VideoType.Ogv, true, VideoSize.Ed);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_ToOGV_Resize_Args()
         {
-            var container = new ArgumentContainer();
+            Convert(VideoType.Ogv, new ScaleArgument(VideoSize.Ed), new VideoCodecArgument(VideoCodec.LibTheora));
-            container.Add(new ScaleArgument(VideoSize.Ed));
-            container.Add(new VideoCodecArgument(VideoCodec.LibTheora));
-            Convert(VideoType.Ogv, container);
         }
 
-        [TestMethod]
+        [DataTestMethod, Timeout(10000)]
+        [DataRow(System.Drawing.Imaging.PixelFormat.Format24bppRgb)]
+        [DataRow(System.Drawing.Imaging.PixelFormat.Format32bppArgb)]
+        // [DataRow(PixelFormat.Format48bppRgb)]
+        public void Video_ToOGV_Resize_Args_Pipe(System.Drawing.Imaging.PixelFormat pixelFormat)
+        {
+            ConvertFromPipe(VideoType.Ogv, pixelFormat, new ScaleArgument(VideoSize.Ed), new VideoCodecArgument(VideoCodec.LibTheora));
+        }
+
+        [TestMethod, Timeout(10000)]
         public void Video_ToMP4_Resize()
         {
             Convert(VideoType.Mp4, true, VideoSize.Ed);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_ToMP4_Resize_Args()
         {
-            var container = new ArgumentContainer();
+            Convert(VideoType.Mp4, new ScaleArgument(VideoSize.Ld), new VideoCodecArgument(VideoCodec.LibX264));
-            container.Add(new ScaleArgument(VideoSize.Ld));
-            container.Add(new VideoCodecArgument(VideoCodec.LibX264));
-            Convert(VideoType.Mp4, container);
         }
 
-        [TestMethod]
+        [DataTestMethod, Timeout(10000)]
+        [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)
+        {
+            ConvertFromPipe(VideoType.Mp4, pixelFormat, new ScaleArgument(VideoSize.Ld), new VideoCodecArgument(VideoCodec.LibX264));
+        }
+
+        [TestMethod, Timeout(10000)]
         public void Video_ToOGV()
         {
             Convert(VideoType.Ogv);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_ToMP4_MultiThread()
         {
             Convert(VideoType.Mp4, true);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_ToTS_MultiThread()
         {
             Convert(VideoType.Ts, true);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_ToOGV_MultiThread()
         {
             Convert(VideoType.Ogv, true);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
-        public void Video_Snapshot()
+        public void Video_Snapshot_InMemory()
         {
             var output = Input.OutputLocation(ImageType.Png);
 
             try
             {
-                var input = VideoInfo.FromFileInfo(Input);
+                var input = FFProbe.Analyse(Input.FullName);
 
-                using (var bitmap = Encoder.Snapshot(input, output))
+                using var bitmap = FFMpeg.Snapshot(input);
-                {
+                Assert.AreEqual(input.PrimaryVideoStream.Width, bitmap.Width);
-                    Assert.AreEqual(input.Width, bitmap.Width);
+                Assert.AreEqual(input.PrimaryVideoStream.Height, bitmap.Height);
-                    Assert.AreEqual(input.Height, bitmap.Height);
                 Assert.AreEqual(bitmap.RawFormat, ImageFormat.Png);
             }
-            }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output))
-                    File.Delete(output.FullName);
+                    File.Delete(output);
             }
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_Snapshot_PersistSnapshot()
         {
             var output = Input.OutputLocation(ImageType.Png);
             try
             {
-                var input = VideoInfo.FromFileInfo(Input);
+                var input = FFProbe.Analyse(Input.FullName);
 
-                using (var bitmap = Encoder.Snapshot(input, output, persistSnapshotOnFileSystem: true))
+                FFMpeg.Snapshot(input, output);
-                {
+
-                    Assert.AreEqual(input.Width, bitmap.Width);
+                var bitmap = Image.FromFile(output);
-                    Assert.AreEqual(input.Height, bitmap.Height);
+                Assert.AreEqual(input.PrimaryVideoStream.Width, bitmap.Width);
+                Assert.AreEqual(input.PrimaryVideoStream.Height, bitmap.Height);
                 Assert.AreEqual(bitmap.RawFormat, ImageFormat.Png);
-                    Assert.IsTrue(File.Exists(output.FullName));
+                bitmap.Dispose();
-                }
             }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output))
-                    File.Delete(output.FullName);
+                    File.Delete(output);
             }
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_Join()
         {
             var output = Input.OutputLocation(VideoType.Mp4);
-            var newInput = Input.OutputLocation(VideoType.Mp4, "duplicate");
+            var newInput = Input.OutputLocation(VideoType.Mp4.Name, "duplicate");
             try
             {
-                var input = VideoInfo.FromFileInfo(Input);
+                var input = FFProbe.Analyse(Input.FullName);
-                File.Copy(input.FullName, newInput.FullName);
+                File.Copy(Input.FullName, newInput);
-                var input2 = VideoInfo.FromFileInfo(newInput);
 
-                var result = Encoder.Join(output, input, input2);
+                var success = FFMpeg.Join(output, Input.FullName, newInput);
+                Assert.IsTrue(success);
 
-                Assert.IsTrue(File.Exists(output.FullName));
+                Assert.IsTrue(File.Exists(output));
-                TimeSpan expectedDuration = input.Duration * 2;
+                var expectedDuration = input.Duration * 2;
+                var result = FFProbe.Analyse(output);
                 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.Height, result.Height);
+                Assert.AreEqual(input.PrimaryVideoStream.Height, result.PrimaryVideoStream.Height);
-                Assert.AreEqual(input.Width, result.Width);
+                Assert.AreEqual(input.PrimaryVideoStream.Width, result.PrimaryVideoStream.Width);
             }
             finally
             {
-                if (File.Exists(output.FullName))
+                if (File.Exists(output))
-                    File.Delete(output.FullName);
+                    File.Delete(output);
 
-                if (File.Exists(newInput.FullName))
+                if (File.Exists(newInput))
-                    File.Delete(newInput.FullName);
+                    File.Delete(newInput);
-            }
             }
             
-        [TestMethod]
+        }
+
+        [TestMethod, Timeout(10000)]
         public void Video_Join_Image_Sequence()
         {
             try
@@ -289,20 +533,22 @@ public void Video_Join_Image_Sequence()
                     .ToList()
                     .ForEach(file =>
                     {
-                        for (int i = 0; i < 15; i++)
+                        for (var i = 0; i < 15; i++)
                         {
                             imageSet.Add(new ImageInfo(file));
                         }
                     });
 
-                var result = Encoder.JoinImageSequence(VideoLibrary.ImageJoinOutput, images: imageSet.ToArray());
+                var success = FFMpeg.JoinImageSequence(VideoLibrary.ImageJoinOutput.FullName, images: imageSet.ToArray());
+                Assert.IsTrue(success);
+                var result = FFProbe.Analyse(VideoLibrary.ImageJoinOutput.FullName);
 
                 VideoLibrary.ImageJoinOutput.Refresh();
 
                 Assert.IsTrue(VideoLibrary.ImageJoinOutput.Exists);
                 Assert.AreEqual(3, result.Duration.Seconds);
-                Assert.AreEqual(imageSet.First().Width, result.Width);
+                Assert.AreEqual(imageSet.First().Width, result.PrimaryVideoStream.Width);
-                Assert.AreEqual(imageSet.First().Height, result.Height);
+                Assert.AreEqual(imageSet.First().Height, result.PrimaryVideoStream.Height);
             }
             finally
             {
@@ -314,40 +560,119 @@ public void Video_Join_Image_Sequence()
             }
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
         public void Video_With_Only_Audio_Should_Extract_Metadata()
         {
-            var video = VideoInfo.FromFileInfo(VideoLibrary.LocalVideoAudioOnly);
+            var video = FFProbe.Analyse(VideoLibrary.LocalVideoAudioOnly.FullName);
-            Assert.AreEqual("none", video.VideoFormat);
+            Assert.AreEqual(null, video.PrimaryVideoStream);
-            Assert.AreEqual("aac", video.AudioFormat);
+            Assert.AreEqual("aac", video.PrimaryAudioStream.CodecName);
-            Assert.AreEqual(79.5, video.Duration.TotalSeconds, 0.5);
+            Assert.AreEqual(10, video.Duration.TotalSeconds, 0.5);
-            Assert.AreEqual(1.25, video.Size);
+            // Assert.AreEqual(1.25, video.Size);
         }
 
-        [TestMethod]
+        [TestMethod, Timeout(10000)]
-        public void Video_Duration() {
+        public void Video_Duration()
-            var video = VideoInfo.FromFileInfo(VideoLibrary.LocalVideo);
+        {
+            var video = FFProbe.Analyse(VideoLibrary.LocalVideo.FullName);
             var output = Input.OutputLocation(VideoType.Mp4);
 
-            var arguments = new ArgumentContainer();
+            try
-            arguments.Add(new InputArgument(VideoLibrary.LocalVideo));
+            {
-            arguments.Add(new DurationArgument(TimeSpan.FromSeconds(video.Duration.TotalSeconds - 5)));
+                FFMpegArguments
-            arguments.Add(new OutputArgument(output));
+                    .FromFileInput(VideoLibrary.LocalVideo)
+                    .OutputToFile(output, false, opt => opt.WithDuration(TimeSpan.FromSeconds(video.Duration.TotalSeconds - 2)))
+                    .ProcessSynchronously();
 
-            try {
+                Assert.IsTrue(File.Exists(output));
-                Encoder.Convert(arguments);
+                var outputVideo = FFProbe.Analyse(output);
-
-                Assert.IsTrue(File.Exists(output.FullName));
-                var outputVideo = new VideoInfo(output.FullName);
 
                 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 - 5, outputVideo.Duration.Seconds);
+                Assert.AreEqual(video.Duration.Seconds - 2, outputVideo.Duration.Seconds);
-            } finally {
-                if (File.Exists(output.FullName))
-                    output.Delete();
             }
+            finally
+            {
+                if (File.Exists(output))
+                    File.Delete(output);
+            }
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Video_UpdatesProgress()
+        {
+            var output = Input.OutputLocation(VideoType.Mp4);
+
+            var percentageDone = 0.0;
+            var timeDone = TimeSpan.Zero;
+            void OnPercentageProgess(double percentage) => percentageDone = percentage;
+            void OnTimeProgess(TimeSpan time) => timeDone = time;
+
+            var analysis = FFProbe.Analyse(VideoLibrary.LocalVideo.FullName);
+
+
+            try
+            {
+                var success = FFMpegArguments
+                    .FromFileInput(VideoLibrary.LocalVideo)
+                    .OutputToFile(output, false, opt => opt
+                        .WithDuration(TimeSpan.FromSeconds(2)))
+                    .NotifyOnProgress(OnPercentageProgess, analysis.Duration)
+                    .NotifyOnProgress(OnTimeProgess)
+                    .ProcessSynchronously();
+
+                Assert.IsTrue(success);
+                Assert.IsTrue(File.Exists(output));
+                Assert.AreNotEqual(0.0, percentageDone);
+                Assert.AreNotEqual(TimeSpan.Zero, timeDone);
+            }
+            finally
+            {
+                if (File.Exists(output))
+                    File.Delete(output);
+            }
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Video_TranscodeInMemory()
+        {
+            using var resStream = new MemoryStream();
+            var reader = new StreamPipeSink(resStream);
+            var writer = new RawVideoPipeSource(BitmapSource.CreateBitmaps(128, System.Drawing.Imaging.PixelFormat.Format24bppRgb, 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(10000)]
+        public async Task Video_Cancel_Async()
+        {
+            await using var resStream = new MemoryStream();
+            var reader = new StreamPipeSink(resStream);
+            var writer = new RawVideoPipeSource(BitmapSource.CreateBitmaps(512, System.Drawing.Imaging.PixelFormat.Format24bppRgb, 128, 128));
+
+            var task = FFMpegArguments
+                .FromPipeInput(writer)
+                .OutputToPipe(reader, opt => opt
+                    .WithVideoCodec("vp9")
+                    .ForceFormat("webm"))
+                .CancellableThrough(out var cancel)
+                .ProcessAsynchronously(false);
+
+            await Task.Delay(300);
+            cancel();
+            
+            var result = await task;
+            Assert.IsFalse(result);
         }
     }
 }

FFMpegCore.Test/ffmpeg.config.json

@@ -1,3 +1,3 @@
 {
-  "RootDirectory": "/usr/bin"
+  "RootDirectory": ""
 }

FFMpegCore/Enums/FileExtension.cs

@@ -1,38 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-using System;
-
-namespace FFMpegCore.Enums
-{
-    public static class FileExtension
-    {
-        public static string ForType(VideoType type)
-        {
-            switch (type)
-            {
-                case VideoType.Mp4: return Mp4;
-                case VideoType.Ogv: return Ogv;
-                case VideoType.Ts: return Ts;
-                case VideoType.WebM: return WebM;
-                default: throw new Exception("The extension for this video type is not defined.");
-            }
-        }
-        public static string ForCodec(VideoCodec type)
-        {
-            switch (type)
-            {
-                case VideoCodec.LibX264: return Mp4;
-                case VideoCodec.LibVpx: return WebM;
-                case VideoCodec.LibTheora: return Ogv;
-                case VideoCodec.MpegTs: return Ts;
-                case VideoCodec.Png: return Png;
-                default: throw new Exception("The extension for this video type is not defined.");
-            }
-        }
-        public static readonly string Mp4 = ".mp4";
-        public static readonly string Mp3 = ".mp3";
-        public static readonly string Ts = ".ts";
-        public static readonly string Ogv = ".ogv";
-        public static readonly string Png = ".png";
-        public static readonly string WebM = ".webm";
-    }
-}

FFMpegCore/Enums/VideoType.cs

@@ -1,10 +0,0 @@
-namespace FFMpegCore.Enums
-{
-    public enum VideoType
-    {
-        Mp4,
-        Ogv,
-        Ts,
-        WebM
-    }
-}

FFMpegCore/Extend/BitmapExtensions.cs

@@ -1,26 +1,22 @@
 using System;
 using System.Drawing;
 using System.IO;
-using FFMpegCore.FFMPEG;
 
 namespace FFMpegCore.Extend
 {
     public static class BitmapExtensions
     {
-        public static VideoInfo AddAudio(this Bitmap poster, FileInfo audio, FileInfo output)
+        public static bool AddAudio(this Bitmap poster, string audio, string output)
         {
             var destination = $"{Environment.TickCount}.png";
-
             poster.Save(destination);
-
-            var tempFile = new FileInfo(destination);
             try
             {
-                return new FFMpeg().PosterWithAudio(tempFile, audio, output);
+                return FFMpeg.PosterWithAudio(destination, audio, output);
             }
             finally
             {
-                tempFile.Delete();
+                if (File.Exists(destination)) File.Delete(destination);
             }
         }
     }

FFMpegCore/Extend/BitmapVideoFrameWrapper.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Threading.Tasks;
+using FFMpegCore.Pipes;
+
+namespace FFMpegCore.Extend
+{
+    public class BitmapVideoFrameWrapper : IVideoFrame, IDisposable
+    {
+        public int Width => Source.Width;
+
+        public int Height => Source.Height;
+
+        public string Format { get; private set; }
+
+        public Bitmap Source { get; private set; }
+
+        public BitmapVideoFrameWrapper(Bitmap bitmap)
+        {
+            Source = bitmap ?? throw new ArgumentNullException(nameof(bitmap));
+            Format = ConvertStreamFormat(bitmap.PixelFormat);
+        }
+
+        public void Serialize(System.IO.Stream stream)
+        {
+            var data = Source.LockBits(new Rectangle(0, 0, Width, Height), ImageLockMode.ReadOnly, Source.PixelFormat);
+
+            try
+            {
+                var buffer = new byte[data.Stride * data.Height];
+                Marshal.Copy(data.Scan0, buffer, 0, buffer.Length);
+                stream.Write(buffer, 0, buffer.Length);
+            }
+            finally
+            {
+                Source.UnlockBits(data);
+            }
+        }
+
+        public async Task SerializeAsync(System.IO.Stream stream, CancellationToken token)
+        {
+            var data = Source.LockBits(new Rectangle(0, 0, Width, Height), ImageLockMode.ReadOnly, Source.PixelFormat);
+
+            try
+            {
+                var buffer = new byte[data.Stride * data.Height];
+                Marshal.Copy(data.Scan0, buffer, 0, buffer.Length);
+                await stream.WriteAsync(buffer, 0, buffer.Length, token);
+            }
+            finally
+            {
+                Source.UnlockBits(data);
+            }
+        }
+
+        public void Dispose()
+        {
+            Source.Dispose();
+        }
+
+        private static string ConvertStreamFormat(PixelFormat fmt)
+        {
+            switch (fmt)
+            {
+                case PixelFormat.Format16bppGrayScale:
+                    return "gray16le";
+                case PixelFormat.Format16bppRgb565:
+                    return "bgr565le";
+                case PixelFormat.Format24bppRgb:
+                    return "bgr24";
+                case PixelFormat.Format32bppArgb:
+                    return "bgra";
+                case PixelFormat.Format32bppPArgb:
+                    //This is not really same as argb32
+                    return "argb";
+                case PixelFormat.Format32bppRgb:
+                    return "rgba";
+                case PixelFormat.Format48bppRgb:
+                    return "rgb48le";
+                default:
+                    throw new NotSupportedException($"Not supported pixel format {fmt}");
+            }
+        }
+    }
+}

FFMpegCore/Extend/UriExtensions.cs

@@ -1,14 +1,12 @@
 using System;
-using System.IO;
-using FFMpegCore.FFMPEG;
 
 namespace FFMpegCore.Extend
 {
     public static class UriExtensions
     {
-        public static VideoInfo SaveStream(this Uri uri, FileInfo output)
+        public static bool SaveStream(this Uri uri, string output)
         {
-            return new FFMpeg().SaveM3U8Stream(uri, output);
+            return FFMpeg.SaveM3U8Stream(uri, output);
         }
     }
 }

FFMpegCore/FFMPEG/Argument/Argument.cs

@@ -1,82 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Abstract class implements basic functionality of ffmpeg arguments
-    /// </summary>
-    public abstract class Argument
-    {
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public abstract string GetStringValue();
-
-        public override string ToString()
-        {
-            return GetStringValue();
-        }
-    }
-
-    /// <summary>
-    /// Abstract class implements basic functionality of ffmpeg arguments with one value property
-    /// </summary>
-    public abstract class Argument<T> : Argument
-    {
-        private T _value;
-
-        /// <summary>
-        /// Value type of <see cref="T"/>
-        /// </summary>
-        public T Value { get => _value; set { CheckValue(value); _value = value; } }
-
-        public Argument() { }
-
-        public Argument(T value)
-        {
-            Value = value;
-        }
-
-        protected virtual void CheckValue(T value)
-        {
-            
-        }
-    }
-
-    /// <summary>
-    /// Abstract class implements basic functionality of ffmpeg arguments with two values properties
-    /// </summary>
-    public abstract class Argument<T1, T2> : Argument
-    {
-
-        private T1 _first;
-        private T2 _second;
-
-        /// <summary>
-        /// First value type of <see cref="T"/>
-        /// </summary>
-        public T1 First { get => _first; set { CheckFirst(_first); _first = value; } }
-
-        /// <summary>
-        /// Second value type of <see cref="T"/>
-        /// </summary>
-        public T2 Second { get => _second; set { CheckSecond(_second); _second = value; } }
-
-        public Argument() { }
-
-        public Argument(T1 first, T2 second)
-        {
-            First = first;
-            Second = second;
-        }
-
-        protected virtual void CheckFirst(T1 value)
-        {
-
-        }
-
-        protected virtual void CheckSecond(T2 value)
-        {
-
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/ArgumentContainer.cs

@@ -1,160 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Container of arguments represented parameters of FFMPEG process
-    /// </summary>
-    public class ArgumentContainer : IDictionary<Type, Argument>
-    {
-        IDictionary<Type, Argument> _args;
-
-        public ArgumentContainer(params Argument[] arguments)
-        {
-            _args = new Dictionary<Type, Argument>();
-
-            foreach(var argument in arguments)
-            {
-                this.Add(argument);
-            }
-        }
-
-        public Argument this[Type key] { get => _args[key]; set => _args[key] = value; }
-
-        public ICollection<Type> Keys => _args.Keys;
-
-        public ICollection<Argument> Values => _args.Values;
-
-        public int Count => _args.Count;
-
-        public bool IsReadOnly => _args.IsReadOnly;
-
-        /// <summary>
-        /// This method is not supported, left for <see cref="{IDictionary<Type, Argument>}"/> interface support
-        /// </summary>
-        /// <param name="key"></param>
-        /// <param name="value"></param>
-        [Obsolete]
-        public void Add(Type key, Argument value)
-        {
-            throw new InvalidOperationException("Not supported operation");
-        }
-
-        /// <summary>
-        /// This method is not supported, left for <see cref="{IDictionary<Type, Argument>}"/> interface support
-        /// </summary>
-        /// <param name="key"></param>
-        /// <param name="value"></param>
-        [Obsolete]
-        public void Add(KeyValuePair<Type, Argument> item)
-        {
-            this.Add(item.Value);
-        }
-
-        /// <summary>
-        /// Clears collection of arguments
-        /// </summary>
-        public void Clear()
-        {
-            _args.Clear();
-        }
-
-        /// <summary>
-        /// Returns if contains item
-        /// </summary>
-        /// <param name="item">Searching item</param>
-        /// <returns>Returns if contains item</returns>
-        public bool Contains(KeyValuePair<Type, Argument> item)
-        {
-            return _args.Contains(item);
-        }
-
-        /// <summary>
-        /// Adds argument to collection
-        /// </summary>
-        /// <param name="value">Argument that should be added to collection</param>
-        public void Add(params Argument[] values)
-        {
-            foreach(var value in values) 
-            {
-                _args.Add(value.GetType(), value);
-            }
-        }
-
-        /// <summary>
-        /// Checks if container contains output and input parameters
-        /// </summary>
-        /// <returns></returns>
-        public bool ContainsInputOutput()
-        {
-            return ((ContainsKey(typeof(InputArgument)) && !ContainsKey(typeof(ConcatArgument))) ||
-                    (!ContainsKey(typeof(InputArgument)) && ContainsKey(typeof(ConcatArgument))))
-                    && ContainsKey(typeof(OutputArgument));
-        }
-
-        /// <summary>
-        /// Checks if contains argument of type
-        /// </summary>
-        /// <param name="key">Type of argument is seraching</param>
-        /// <returns></returns>
-        public bool ContainsKey(Type key)
-        {
-            return _args.ContainsKey(key);
-        }
-
-        public void CopyTo(KeyValuePair<Type, Argument>[] array, int arrayIndex)
-        {
-            _args.CopyTo(array, arrayIndex);
-        }
-
-        public IEnumerator<KeyValuePair<Type, Argument>> GetEnumerator()
-        {
-            return _args.GetEnumerator();
-        }
-
-        public bool Remove(Type key)
-        {
-            return _args.Remove(key);
-        }
-
-        public bool Remove(KeyValuePair<Type, Argument> item)
-        {
-            return _args.Remove(item);
-        }
-
-        public bool TryGetValue(Type key, out Argument value)
-        {
-            return _args.TryGetValue(key, out value);
-        }
-
-        IEnumerator IEnumerable.GetEnumerator()
-        {
-            return _args.GetEnumerator();
-        }
-
-        /// <summary>
-        /// Shortcut for finding arguments inside collection
-        /// </summary>
-        /// <typeparam name="T">Type of argument</typeparam>
-        /// <returns></returns>
-        public T Find<T>() where T : Argument
-        {
-            if (ContainsKey(typeof(T)))
-                return (T)_args[typeof(T)];
-            return null;
-        }
-        /// <summary>
-        /// Shortcut for checking if contains arguments inside collection
-        /// </summary>
-        /// <typeparam name="T">Type of argument</typeparam>
-        /// <returns></returns>
-        public bool Contains<T>() where T : Argument
-        {
-            if (ContainsKey(typeof(T)))
-                return true;
-            return false;
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/ArgumentStringifier.cs

@@ -1,179 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    internal static class ArgumentStringifier
-    {
-        internal static string Speed(Speed speed)
-        {
-            return $"-preset {speed.ToString().ToLower()} ";
-        }
-
-        internal static string Speed(int cpu)
-        {
-            return $"-quality good -cpu-used {cpu} -deadline realtime ";
-        }
-
-        internal static string Audio(AudioCodec codec, int bitrate)
-        {
-            return Audio(codec) + Audio(bitrate);
-        }
-
-        internal static string Audio(AudioCodec codec)
-        {
-            return $"-c:a {codec.ToString().ToLower()} ";
-        }
-
-        internal static string Audio(AudioQuality bitrate)
-        {
-            return Audio((int)bitrate);
-        }
-
-        internal static string Audio(int bitrate)
-        {
-            return $"-b:a {bitrate}k ";
-        }
-
-        internal static string Video(VideoCodec codec, int bitrate = 0)
-        {
-            var video = $"-c:v {codec.ToString().ToLower()} -pix_fmt yuv420p ";
-
-            if (bitrate > 0)
-            {
-                video += $"-b:v {bitrate}k ";
-            }
-
-            return video;
-        }
-
-        internal static string Threads(bool multiThread)
-        {
-            var threadCount = multiThread
-                ? Environment.ProcessorCount
-                : 1;
-
-            return Threads(threadCount);
-        }
-
-        internal static string Threads(int threads)
-        {        
-            return $"-threads {threads} ";
-        }
-
-        internal static string Disable(Channel type)
-        {
-            switch (type)
-            {
-                case Channel.Video:
-                    return "-vn ";
-                case Channel.Audio:
-                    return "-an ";
-                default:
-                    return string.Empty;
-            }
-        }
-
-        internal static string Output(string output)
-        {
-            return $"\"{output}\"";
-        }
-
-        internal static string Input(string template)
-        {
-            return $"-i \"{template}\" ";
-        }
-
-        internal static string Scale(VideoSize size, int width =-1)
-        {
-            return size == VideoSize.Original ? string.Empty : Scale(width, (int)size);
-        }
-
-        internal static string Scale(int width, int height)
-        {
-            return $"-vf scale={width}:{height} ";
-        }
-
-        internal static string Size(Size? size)
-        {
-            if (!size.HasValue) return string.Empty;
-
-            var formatedSize = $"{size.Value.Width}x{size.Value.Height}";
-
-            return $"-s {formatedSize} ";
-        }
-
-        internal static string ForceFormat(VideoCodec codec)
-        {
-            return $"-f {codec.ToString().ToLower()} ";
-        }
-
-        internal static string BitStreamFilter(Channel type, Filter filter)
-        {
-            switch (type)
-            {
-                case Channel.Audio:
-                    return $"-bsf:a {filter.ToString().ToLower()} ";
-                case Channel.Video:
-                    return $"-bsf:v {filter.ToString().ToLower()} ";
-                default:
-                    return string.Empty;
-            }
-        }
-
-        internal static string Copy(Channel type = Channel.Both)
-        {
-            switch (type)
-            {
-                case Channel.Audio:
-                    return "-c:a copy ";
-                case Channel.Video:
-                    return "-c:v copy ";
-                default:
-                    return "-c copy ";
-            }
-        }
-
-        internal static string Seek(TimeSpan? seek)
-        {
-            return !seek.HasValue ? string.Empty : $"-ss {seek} ";
-        }
-
-        internal static string FrameOutputCount(int number)
-        {
-            return $"-vframes {number} ";
-        }
-
-        internal static string Loop(int count)
-        {
-            return $"-loop {count} ";
-        }
-
-        internal static string FinalizeAtShortestInput(bool applicable)
-        {
-            return applicable ? "-shortest " : string.Empty;
-        }
-
-        internal static string InputConcat(IEnumerable<string> paths)
-        {
-            return $"-i \"concat:{string.Join(@"|", paths)}\" ";
-        }
-
-        internal static string FrameRate(double frameRate)
-        {
-            return $"-r {frameRate} ";
-        }
-
-        internal static string StartNumber(int v)
-        {
-            return $"-start_number {v} ";
-        }
-
-        internal static string Duration(TimeSpan? duration)
-        {
-            return !duration.HasValue ? string.Empty : $"-t {duration} ";
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/AudioCodecArgument.cs

@@ -1,42 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents parameter of audio codec and it's quality
-    /// </summary>
-    public class AudioCodecArgument : Argument<AudioCodec>
-    {
-        /// <summary>
-        /// Bitrate of audio channel
-        /// </summary>
-        public int Bitrate { get; protected set; } = (int)AudioQuality.Normal;
-
-        public AudioCodecArgument()
-        {
-        }
-
-        public AudioCodecArgument(AudioCodec value) : base(value)
-        {
-        }
-
-        public AudioCodecArgument(AudioCodec value, AudioQuality bitrate) : base(value)
-        {
-            Bitrate = (int)bitrate;
-        }
-
-        public AudioCodecArgument(AudioCodec value, int bitrate) : base(value)
-        {
-            Bitrate = bitrate;
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Audio(Value, Bitrate);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/BitStreamFilterArgument.cs

@@ -1,27 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents parameter of bitstream filter
-    /// </summary>
-    public class BitStreamFilterArgument : Argument<Channel, Filter>
-    {
-        public BitStreamFilterArgument()
-        {
-        }
-
-        public BitStreamFilterArgument(Channel first, Filter second) : base(first, second)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.BitStreamFilter(First, Second);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/ConcatArgument.cs

@@ -1,41 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-
-    /// <summary>
-    /// Represents parameter of concat argument
-    /// Used for creating video from multiple images or videos
-    /// </summary>
-    public class ConcatArgument : Argument<IEnumerable<string>>, IEnumerable<string>
-    {
-        public ConcatArgument()
-        {
-            Value = new List<string>();
-        }
-
-        public ConcatArgument(IEnumerable<string> value) : base(value)
-        {
-        }
-
-        public IEnumerator<string> GetEnumerator()
-        {
-            return Value.GetEnumerator();
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.InputConcat(Value);
-        }
-
-        IEnumerator IEnumerable.GetEnumerator()
-        {
-            return GetEnumerator();
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/CopyArgument.cs

@@ -1,29 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents parameter of copy parameter
-    /// Defines if channel (audio, video or both) should be copied to output file
-    /// </summary>
-    public class CopyArgument : Argument<Channel>
-    {
-        public CopyArgument()
-        {
-            Value = Channel.Both;
-        }
-
-        public CopyArgument(Channel value = Channel.Both) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Copy(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/CpuSpeedArgument.cs

@@ -1,25 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents cpu speed parameter
-    /// </summary>
-    public class CpuSpeedArgument : Argument<int>
-    {
-        public CpuSpeedArgument()
-        {
-        }
-
-        public CpuSpeedArgument(int value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Speed(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/DisableChannelArgument.cs

@@ -1,27 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents cpu speed parameter
-    /// </summary>
-    public class DisableChannelArgument : Argument<Channel>
-    {
-        public DisableChannelArgument()
-        {
-        }
-
-        public DisableChannelArgument(Channel value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Disable(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/DurationArgument.cs

@@ -1,27 +0,0 @@
-using System;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents duration parameter
-    /// </summary>
-    public class DurationArgument : Argument<TimeSpan?>
-    {
-        public DurationArgument()
-        {
-        }
-
-        public DurationArgument(TimeSpan? value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Duration(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/ForceFormatArgument.cs

@@ -1,27 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents force format parameter
-    /// </summary>
-    public class ForceFormatArgument : Argument<VideoCodec>
-    {
-        public ForceFormatArgument()
-        {
-        }
-
-        public ForceFormatArgument(VideoCodec value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.ForceFormat(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/FrameOutputCountArgument.cs

@@ -1,25 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents frame output count parameter
-    /// </summary>
-    public class FrameOutputCountArgument : Argument<int>
-    {
-        public FrameOutputCountArgument()
-        {
-        }
-
-        public FrameOutputCountArgument(int value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.FrameOutputCount(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/FrameRateArgument.cs

@@ -1,25 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents frame rate parameter
-    /// </summary>
-    public class FrameRateArgument : Argument<double>
-    {
-        public FrameRateArgument()
-        {
-        }
-
-        public FrameRateArgument(double value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.FrameRate(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/InputArgument.cs

@@ -1,45 +0,0 @@
-using System;
-using System.IO;
-using System.Linq;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents input parameter
-    /// </summary>
-    public class InputArgument : Argument<string[]>
-    {
-        public InputArgument()
-        {
-        }
-
-        public InputArgument(params string[] values) : base(values)
-        {
-        }
-
-        public InputArgument(params VideoInfo[] values) : base(values.Select(v => v.FullName).ToArray())
-        {
-        }
-
-        public InputArgument(params FileInfo[] values) : base(values.Select(v => v.FullName).ToArray())
-        {
-        }
-
-        public InputArgument(params Uri[] values) : base(values.Select(v => v.AbsoluteUri).ToArray())
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return string.Join(" ", Value.Select(v => ArgumentStringifier.Input(v)));
-        }
-        public VideoInfo[] GetAsVideoInfo()
-        {
-            return Value.Select(v => new VideoInfo(v)).ToArray();
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/LoopArgument.cs

@@ -1,25 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents loop parameter
-    /// </summary>
-    public class LoopArgument : Argument<int>
-    {
-        public LoopArgument()
-        {
-        }
-
-        public LoopArgument(int value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Loop(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/OutputArgument.cs

@@ -1,45 +0,0 @@
-using System;
-using System.IO;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents output parameter
-    /// </summary>
-    public class OutputArgument : Argument<string>
-    {
-        public OutputArgument()
-        {
-        }
-
-        public OutputArgument(string value) : base(value)
-        {
-        }
-
-        public OutputArgument(VideoInfo value) : base(value.FullName)
-        {
-        }
-
-        public OutputArgument(FileInfo value) : base(value.FullName)
-        {
-        }
-
-        public OutputArgument(Uri value) : base(value.AbsolutePath)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Output(Value);
-        }
-
-        public FileInfo GetAsFileInfo()
-        {
-            return new FileInfo(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/OverrideArgument.cs

@@ -1,22 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents override parameter
-    /// If output file should be overrided if exists
-    /// </summary>
-    public class OverrideArgument : Argument
-    {
-        public OverrideArgument()
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return "-y";
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/ScaleArgument.cs

@@ -1,37 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-using System.Drawing;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents scale parameter
-    /// </summary>
-    public class ScaleArgument : Argument<Size>
-    {
-        public ScaleArgument()
-        {
-        }
-
-        public ScaleArgument(Size value) : base(value)
-        {
-        }
-
-        public ScaleArgument(int width, int heignt) : base(new Size(width, heignt))
-        {
-        }
-
-        public ScaleArgument(VideoSize videosize)
-        {
-            Value = videosize == VideoSize.Original ? new Size(-1, -1) : new Size(-1, (int)videosize);
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Scale(Value.Width, Value.Height);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/SeekArgument.cs

@@ -1,27 +0,0 @@
-using System;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents seek parameter
-    /// </summary>
-    public class SeekArgument : Argument<TimeSpan?>
-    {
-        public SeekArgument()
-        {
-        }
-
-        public SeekArgument(TimeSpan? value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Seek(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/ShortestArgument.cs

@@ -1,25 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents shortest parameter
-    /// </summary>
-    public class ShortestArgument : Argument<bool>
-    {
-        public ShortestArgument()
-        {
-        }
-
-        public ShortestArgument(bool value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.FinalizeAtShortestInput(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/SizeArgument.cs

@@ -1,36 +0,0 @@
-using System.Drawing;
-using FFMpegCore.FFMPEG.Enums;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents size parameter
-    /// </summary>
-    public class SizeArgument : ScaleArgument
-    {
-        public SizeArgument()
-        {
-        }
-
-        public SizeArgument(Size? value) : base(value ?? new Size())
-        {
-        }
-
-        public SizeArgument(VideoSize videosize) : base(videosize)
-        {
-        }
-
-        public SizeArgument(int width, int heignt) : base(width, heignt)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Size(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/SpeedArgument.cs

@@ -1,27 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents speed parameter
-    /// </summary>
-    public class SpeedArgument : Argument<Speed>
-    {
-        public SpeedArgument()
-        {            
-        }
-
-        public SpeedArgument(Speed value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Speed(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/StartNumberArgument.cs

@@ -1,25 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents start number parameter
-    /// </summary>
-    public class StartNumberArgument : Argument<int>
-    {
-        public StartNumberArgument()
-        {
-        }
-
-        public StartNumberArgument(int value) : base(value)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.StartNumber(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/ThreadsArgument.cs

@@ -1,35 +0,0 @@
-using System;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents threads parameter
-    /// Number of threads used for video encoding
-    /// </summary>
-    public class ThreadsArgument : Argument<int>
-    {
-        public ThreadsArgument()
-        {
-        }
-
-        public ThreadsArgument(int value) : base(value)
-        {
-        }
-
-        public ThreadsArgument(bool isMultiThreaded) : 
-            base(isMultiThreaded
-                ? Environment.ProcessorCount
-                : 1)
-        {
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Threads(Value);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/Atoms/VideoCodecArgument.cs

@@ -1,34 +0,0 @@
-using FFMpegCore.FFMPEG.Enums;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Represents video codec parameter
-    /// </summary>
-    public class VideoCodecArgument : Argument<VideoCodec>
-    {
-        public int Bitrate { get; protected set; } = 0;
-
-        public VideoCodecArgument()
-        {
-        }
-
-        public VideoCodecArgument(VideoCodec value) : base(value)
-        {
-        }
-
-        public VideoCodecArgument(VideoCodec value, int bitrate) : base(value)
-        {
-            Bitrate = bitrate;
-        }
-
-        /// <summary>
-        /// String representation of the argument
-        /// </summary>
-        /// <returns>String representation of the argument</returns>
-        public override string GetStringValue()
-        {
-            return ArgumentStringifier.Video(Value, Bitrate);
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/FFArgumentBuilder.cs

@@ -1,47 +0,0 @@
-using FFMpegCore.Enums;
-using FFMpegCore.Helpers;
-using System;
-using System.IO;
-using System.Linq;
-
-namespace FFMpegCore.FFMPEG.Argument
-{
-    /// <summary>
-    /// Builds parameters string from <see cref="ArgumentContainer"/> that would be passed to ffmpeg process
-    /// </summary>
-    public class FFArgumentBuilder : IArgumentBuilder
-    {
-        /// <summary>
-        /// Builds parameters string from <see cref="ArgumentContainer"/> that would be passed to ffmpeg process
-        /// </summary>
-        /// <param name="container">Container of arguments</param>
-        /// <returns>Parameters string</returns>
-        public string BuildArguments(ArgumentContainer container)
-        {
-            if (!container.ContainsInputOutput())
-                throw new ArgumentException("No input or output parameter found", nameof(container));
-            
-
-            return string.Join(" ", container.Select(argument => argument.Value.GetStringValue().Trim()));
-        }
-
-        private void CheckExtensionOfOutputExtension(ArgumentContainer container, FileInfo output)
-        {
-            if(container.ContainsKey(typeof(VideoCodecArgument)))
-            {
-                var codec = (VideoCodecArgument)container[typeof(VideoCodecArgument)];
-                FFMpegHelper.ExtensionExceptionCheck(output, FileExtension.ForCodec(codec.Value));
-            }
-        }
-
-        private Argument GetInput(ArgumentContainer container)
-        {
-            if (container.ContainsKey(typeof(InputArgument)))
-                return container[typeof(InputArgument)];
-            else if (container.ContainsKey(typeof(ConcatArgument)))
-                return container[typeof(ConcatArgument)];
-            else
-                throw new ArgumentException("No inputs found");
-        }
-    }
-}

FFMpegCore/FFMPEG/Argument/IArgumentBuilder.cs

@@ -1,7 +0,0 @@
-namespace FFMpegCore.FFMPEG.Argument
-{
-    public interface IArgumentBuilder
-    {
-        string BuildArguments(ArgumentContainer container);
-    }
-}

FFMpegCore/FFMPEG/Enums/Codec.cs

@@ -1,30 +0,0 @@
-namespace FFMpegCore.FFMPEG.Enums
-{
-    public enum VideoCodec
-    {
-        LibX264,
-        LibVpx,
-        LibTheora,
-        Png,
-        MpegTs
-    }
-
-    public enum AudioCodec
-    {
-        Aac,
-        LibVorbis
-    }
-
-    public enum Filter
-    {
-        H264_Mp4ToAnnexB,
-        Aac_AdtstoAsc
-    }
-
-    public enum Channel
-    {
-        Audio,
-        Video,
-        Both
-    }
-}

FFMpegCore/FFMPEG/Exceptions/FFMpegException.cs

@@ -1,31 +0,0 @@
-using System;
-using System.Text;
-
-namespace FFMpegCore.FFMPEG.Exceptions
-{
-    public enum FFMpegExceptionType
-    {
-        Dependency,
-        Conversion,
-        File,
-        Operation,
-        Process
-    }
-
-    public class FFMpegException : Exception
-    {
-        public FFMpegException(FFMpegExceptionType type): this(type, null, null) { }
-
-        public FFMpegException(FFMpegExceptionType type, StringBuilder sb): this(type, sb.ToString(), null) { }
-
-        public FFMpegException(FFMpegExceptionType type, string message): this(type, message, null) { }
-
-        public FFMpegException(FFMpegExceptionType type, string message, FFMpegException innerException)
-            : base(message, innerException)
-        {
-            Type = type;
-        }
-
-        public FFMpegExceptionType Type { get; set; }
-    }
-}

FFMpegCore/FFMPEG/FFMpeg.cs

@@ -1,543 +0,0 @@
-using FFMpegCore.Enums;
-using FFMpegCore.FFMPEG.Argument;
-using FFMpegCore.FFMPEG.Enums;
-using FFMpegCore.FFMPEG.Exceptions;
-using FFMpegCore.Helpers;
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Drawing;
-using System.Drawing.Imaging;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Text.RegularExpressions;
-using Instances;
-
-namespace FFMpegCore.FFMPEG
-{
-    public delegate void ConversionHandler(double percentage);
-
-    public class FFMpeg
-    {
-        IArgumentBuilder ArgumentBuilder { get; set; }
-
-        /// <summary>
-        ///     Intializes the FFMPEG encoder.
-        /// </summary>
-        public FFMpeg() : base()
-        {
-            FFMpegHelper.RootExceptionCheck(FFMpegOptions.Options.RootDirectory);
-
-            _ffmpegPath = FFMpegOptions.Options.FFmpegBinary;
-
-            ArgumentBuilder = new FFArgumentBuilder();
-        }
-
-        /// <summary>
-        /// Returns the percentage of the current conversion progress.
-        /// </summary>
-        public event ConversionHandler OnProgress;
-
-        /// <summary>
-        ///     Saves a 'png' thumbnail from the input video.
-        /// </summary>
-        /// <param name="source">Source video file.</param>
-        /// <param name="output">Output video file</param>
-        /// <param name="captureTime">Seek position where the thumbnail should be taken.</param>
-        /// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
-        /// <param name="persistSnapshotOnFileSystem">By default, it deletes the created image on disk. If set to true, it won't delete the image</param>
-        /// <returns>Bitmap with the requested snapshot.</returns>
-        public Bitmap Snapshot(VideoInfo source, FileInfo output, Size? size = null, TimeSpan? captureTime = null,
-            bool persistSnapshotOnFileSystem = false)
-        {
-            if (captureTime == null)
-                captureTime = TimeSpan.FromSeconds(source.Duration.TotalSeconds / 3);
-
-            if (output.Extension.ToLower() != FileExtension.Png)
-                output = new FileInfo(output.FullName.Replace(output.Extension, FileExtension.Png));
-
-            if (size == null || (size.Value.Height == 0 && size.Value.Width == 0))
-            {
-                size = new Size(source.Width, source.Height);
-            }
-
-            if (size.Value.Width != size.Value.Height)
-            {
-                if (size.Value.Width == 0)
-                {
-                    var ratio = source.Width / (double) size.Value.Width;
-
-                    size = new Size((int) (source.Width * ratio), (int) (source.Height * ratio));
-                }
-
-                if (size.Value.Height == 0)
-                {
-                    var ratio = source.Height / (double) size.Value.Height;
-
-                    size = new Size((int) (source.Width * ratio), (int) (source.Height * ratio));
-                }
-            }
-
-            FFMpegHelper.ConversionExceptionCheck(source.ToFileInfo(), output);
-            var container = new ArgumentContainer(
-                new InputArgument(source),
-                new VideoCodecArgument(VideoCodec.Png),
-                new FrameOutputCountArgument(1),
-                new SeekArgument(captureTime),
-                new SizeArgument(size),
-                new OutputArgument(output)
-            );
-
-            if (!RunProcess(container, output))
-            {
-                throw new OperationCanceledException("Could not take snapshot!");
-            }
-
-            output.Refresh();
-
-            Bitmap result;
-            using (var bmp = (Bitmap) Image.FromFile(output.FullName))
-            {
-                using var ms = new MemoryStream();
-                bmp.Save(ms, ImageFormat.Png);
-                result = new Bitmap(ms);
-            }
-
-            if (output.Exists && !persistSnapshotOnFileSystem)
-            {
-                output.Delete();
-            }
-
-            return result;
-        }
-
-        /// <summary>
-        /// Convert a video do a different format.
-        /// </summary>
-        /// <param name="source">Input video source.</param>
-        /// <param name="output">Output information.</param>
-        /// <param name="type">Target conversion video type.</param>
-        /// <param name="speed">Conversion target speed/quality (faster speed = lower quality).</param>
-        /// <param name="size">Video size.</param>
-        /// <param name="audioQuality">Conversion target audio quality.</param>
-        /// <param name="multithreaded">Is encoding multithreaded.</param>
-        /// <returns>Output video information.</returns>
-        public VideoInfo Convert(
-            VideoInfo source,
-            FileInfo output,
-            VideoType type = VideoType.Mp4,
-            Speed speed = Speed.SuperFast,
-            VideoSize size = VideoSize.Original,
-            AudioQuality audioQuality = AudioQuality.Normal,
-            bool multithreaded = false)
-        {
-            FFMpegHelper.ConversionExceptionCheck(source.ToFileInfo(), output);
-            FFMpegHelper.ExtensionExceptionCheck(output, FileExtension.ForType(type));
-            FFMpegHelper.ConversionSizeExceptionCheck(source);
-
-            _totalTime = source.Duration;
-
-            var scale = VideoSize.Original == size ? 1 : (double) source.Height / (int) size;
-
-            var outputSize = new Size(
-                (int) (source.Width / scale),
-                (int) (source.Height / scale)
-            );
-
-            if (outputSize.Width % 2 != 0)
-            {
-                outputSize.Width += 1;
-            }
-
-            var container = new ArgumentContainer();
-
-            switch (type)
-            {
-                case VideoType.Mp4:
-                    container.Add(
-                        new InputArgument(source),
-                        new ThreadsArgument(multithreaded),
-                        new ScaleArgument(outputSize),
-                        new VideoCodecArgument(VideoCodec.LibX264, 2400),
-                        new SpeedArgument(speed),
-                        new AudioCodecArgument(AudioCodec.Aac, audioQuality),
-                        new OutputArgument(output)
-                    );
-                    break;
-                case VideoType.Ogv:
-                    container.Add(
-                        new InputArgument(source),
-                        new ThreadsArgument(multithreaded),
-                        new ScaleArgument(outputSize),
-                        new VideoCodecArgument(VideoCodec.LibTheora, 2400),
-                        new SpeedArgument(speed),
-                        new AudioCodecArgument(AudioCodec.LibVorbis, audioQuality),
-                        new OutputArgument(output)
-                    );
-                    break;
-                case VideoType.Ts:
-                    container.Add(
-                        new InputArgument(source),
-                        new CopyArgument(),
-                        new BitStreamFilterArgument(Channel.Video, Filter.H264_Mp4ToAnnexB),
-                        new ForceFormatArgument(VideoCodec.MpegTs),
-                        new OutputArgument(output)
-                    );
-                    break;
-            }
-
-            if (!RunProcess(container, output))
-            {
-                throw new FFMpegException(FFMpegExceptionType.Conversion,
-                    $"The video could not be converted to {Enum.GetName(typeof(VideoType), type)}");
-            }
-
-            _totalTime = TimeSpan.MinValue;
-
-            return new VideoInfo(output);
-        }
-
-        /// <summary>
-        ///     Adds a poster image to an audio file.
-        /// </summary>
-        /// <param name="image">Source image file.</param>
-        /// <param name="audio">Source audio file.</param>
-        /// <param name="output">Output video file.</param>
-        /// <returns></returns>
-        public VideoInfo PosterWithAudio(FileInfo image, FileInfo audio, FileInfo output)
-        {
-            FFMpegHelper.InputsExistExceptionCheck(image, audio);
-            FFMpegHelper.ExtensionExceptionCheck(output, FileExtension.Mp4);
-            FFMpegHelper.ConversionSizeExceptionCheck(Image.FromFile(image.FullName));
-
-            var container = new ArgumentContainer(
-                new LoopArgument(1),
-                new InputArgument(image.FullName, audio.FullName),
-                new VideoCodecArgument(VideoCodec.LibX264, 2400),
-                new AudioCodecArgument(AudioCodec.Aac, AudioQuality.Normal),
-                new ShortestArgument(true),
-                new OutputArgument(output)
-            );
-
-            if (!RunProcess(container, output))
-            {
-                throw new FFMpegException(FFMpegExceptionType.Operation,
-                    "An error occured while adding the audio file to the image.");
-            }
-
-            return new VideoInfo(output);
-        }
-
-        /// <summary>
-        ///     Joins a list of video files.
-        /// </summary>
-        /// <param name="output">Output video file.</param>
-        /// <param name="videos">List of vides that need to be joined together.</param>
-        /// <returns>Output video information.</returns>
-        public VideoInfo Join(FileInfo output, params VideoInfo[] videos)
-        {
-            FFMpegHelper.OutputExistsExceptionCheck(output);
-            FFMpegHelper.InputsExistExceptionCheck(videos.Select(video => video.ToFileInfo()).ToArray());
-
-            var temporaryVideoParts = videos.Select(video =>
-            {
-                FFMpegHelper.ConversionSizeExceptionCheck(video);
-                var destinationPath = video.FullName.Replace(video.Extension, FileExtension.Ts);
-                Convert(
-                    video,
-                    new FileInfo(destinationPath),
-                    VideoType.Ts
-                );
-                return destinationPath;
-            }).ToList();
-
-            var container = new ArgumentContainer(
-                new ConcatArgument(temporaryVideoParts),
-                new CopyArgument(),
-                new BitStreamFilterArgument(Channel.Audio, Filter.Aac_AdtstoAsc),
-                new OutputArgument(output)
-            );
-
-            try
-            {
-                if (!RunProcess(container, output))
-                {
-                    throw new FFMpegException(FFMpegExceptionType.Operation,
-                        "Could not join the provided video files.");
-                }
-
-                return new VideoInfo(output);
-            }
-            finally
-            {
-                Cleanup(temporaryVideoParts);
-            }
-        }
-
-        /// <summary>
-        /// Converts an image sequence to a video.
-        /// </summary>
-        /// <param name="output">Output video file.</param>
-        /// <param name="frameRate">FPS</param>
-        /// <param name="images">Image sequence collection</param>
-        /// <returns>Output video information.</returns>
-        public VideoInfo JoinImageSequence(FileInfo output, double frameRate = 30, params ImageInfo[] images)
-        {
-            var temporaryImageFiles = images.Select((image, index) =>
-            {
-                FFMpegHelper.ConversionSizeExceptionCheck(Image.FromFile(image.FullName));
-                var destinationPath =
-                    image.FullName.Replace(image.Name, $"{index.ToString().PadLeft(9, '0')}{image.Extension}");
-                File.Copy(image.FullName, destinationPath);
-
-                return destinationPath;
-            }).ToList();
-
-            var firstImage = images.First();
-
-            var container = new ArgumentContainer(
-                new FrameRateArgument(frameRate),
-                new SizeArgument(firstImage.Width, firstImage.Height),
-                new StartNumberArgument(0),
-                new InputArgument($"{firstImage.Directory}{Path.DirectorySeparatorChar}%09d.png"),
-                new FrameOutputCountArgument(images.Length),
-                new VideoCodecArgument(VideoCodec.LibX264),
-                new OutputArgument(output)
-            );
-
-            try
-            {
-                if (!RunProcess(container, output))
-                {
-                    throw new FFMpegException(FFMpegExceptionType.Operation,
-                        "Could not join the provided image sequence.");
-                }
-
-                return new VideoInfo(output);
-            }
-            finally
-            {
-                Cleanup(temporaryImageFiles);
-            }
-        }
-
-        /// <summary>
-        ///     Records M3U8 streams to the specified output.
-        /// </summary>
-        /// <param name="uri">URI to pointing towards stream.</param>
-        /// <param name="output">Output file</param>
-        /// <returns>Success state.</returns>
-        public VideoInfo SaveM3U8Stream(Uri uri, FileInfo output)
-        {
-            FFMpegHelper.ExtensionExceptionCheck(output, FileExtension.Mp4);
-
-            if (uri.Scheme == "http" || uri.Scheme == "https")
-            {
-                var container = new ArgumentContainer(
-                    new InputArgument(uri),
-                    new OutputArgument(output)
-                );
-
-                if (!RunProcess(container, output))
-                {
-                    throw new FFMpegException(FFMpegExceptionType.Operation,
-                        $"Saving the ${uri.AbsoluteUri} stream failed.");
-                }
-
-                return new VideoInfo(output);
-            }
-
-            throw new ArgumentException($"Uri: {uri.AbsoluteUri}, does not point to a valid http(s) stream.");
-        }
-
-        /// <summary>
-        ///     Strips a video file of audio.
-        /// </summary>
-        /// <param name="source">Source video file.</param>
-        /// <param name="output">Output video file.</param>
-        /// <returns></returns>
-        public VideoInfo Mute(VideoInfo source, FileInfo output)
-        {
-            FFMpegHelper.ConversionExceptionCheck(source.ToFileInfo(), output);
-            FFMpegHelper.ConversionSizeExceptionCheck(source);
-            FFMpegHelper.ExtensionExceptionCheck(output, source.Extension);
-
-            var container = new ArgumentContainer(
-                new InputArgument(source),
-                new CopyArgument(),
-                new DisableChannelArgument(Channel.Audio),
-                new OutputArgument(output)
-            );
-
-            if (!RunProcess(container, output))
-            {
-                throw new FFMpegException(FFMpegExceptionType.Operation, "Could not mute the requested video.");
-            }
-
-            return new VideoInfo(output);
-        }
-
-        /// <summary>
-        ///     Saves audio from a specific video file to disk.
-        /// </summary>
-        /// <param name="source">Source video file.</param>
-        /// <param name="output">Output audio file.</param>
-        /// <returns>Success state.</returns>
-        public FileInfo ExtractAudio(VideoInfo source, FileInfo output)
-        {
-            FFMpegHelper.ConversionExceptionCheck(source.ToFileInfo(), output);
-            FFMpegHelper.ExtensionExceptionCheck(output, FileExtension.Mp3);
-
-            var container = new ArgumentContainer(
-                new InputArgument(source),
-                new DisableChannelArgument(Channel.Video),
-                new OutputArgument(output)
-            );
-
-            if (!RunProcess(container, output))
-            {
-                throw new FFMpegException(FFMpegExceptionType.Operation,
-                    "Could not extract the audio from the requested video.");
-            }
-
-            output.Refresh();
-
-            return output;
-        }
-
-        /// <summary>
-        ///     Adds audio to a video file.
-        /// </summary>
-        /// <param name="source">Source video file.</param>
-        /// <param name="audio">Source audio file.</param>
-        /// <param name="output">Output video file.</param>
-        /// <param name="stopAtShortest">Indicates if the encoding should stop at the shortest input file.</param>
-        /// <returns>Success state</returns>
-        public VideoInfo ReplaceAudio(VideoInfo source, FileInfo audio, FileInfo output, bool stopAtShortest = false)
-        {
-            FFMpegHelper.ConversionExceptionCheck(source.ToFileInfo(), output);
-            FFMpegHelper.InputsExistExceptionCheck(audio);
-            FFMpegHelper.ConversionSizeExceptionCheck(source);
-            FFMpegHelper.ExtensionExceptionCheck(output, source.Extension);
-
-            var container = new ArgumentContainer(
-                new InputArgument(source.FullName, audio.FullName),
-                new CopyArgument(),
-                new AudioCodecArgument(AudioCodec.Aac, AudioQuality.Hd),
-                new ShortestArgument(stopAtShortest),
-                new OutputArgument(output)
-            );
-
-            if (!RunProcess(container, output))
-            {
-                throw new FFMpegException(FFMpegExceptionType.Operation, "Could not replace the video audio.");
-            }
-
-            return new VideoInfo(output);
-        }
-
-        public VideoInfo Convert(ArgumentContainer arguments)
-        {
-            var output = ((OutputArgument) arguments[typeof(OutputArgument)]).GetAsFileInfo();
-            var sources = ((InputArgument) arguments[typeof(InputArgument)]).GetAsVideoInfo();
-
-            // Sum duration of all sources
-            _totalTime = TimeSpan.Zero;
-            foreach (var source in sources)
-                _totalTime += source.Duration;
-
-            if (!RunProcess(arguments, output))
-            {
-                throw new FFMpegException(FFMpegExceptionType.Operation, "Could not replace the video audio.");
-            }
-
-            _totalTime = TimeSpan.MinValue;
-
-            return new VideoInfo(output);
-        }
-
-        /// <summary>
-        ///     Returns true if the associated process is still alive/running.
-        /// </summary>
-        public bool IsWorking => _instance.Started;
-
-        /// <summary>
-        ///     Stops any current job that FFMpeg is running.
-        /// </summary>
-        public void Stop()
-        {
-            if (IsWorking)
-            {
-                _instance.SendInput("q").Wait();
-            }
-        }
-
-        #region Private Members & Methods
-
-        private readonly string _ffmpegPath;
-        private TimeSpan _totalTime;
-
-        private volatile StringBuilder _errorOutput = new StringBuilder();
-
-        private bool RunProcess(ArgumentContainer container, FileInfo output)
-        {
-            _instance?.Dispose();
-            var arguments = ArgumentBuilder.BuildArguments(container);
-            
-            _instance = new Instance(_ffmpegPath, arguments);
-            _instance.DataReceived += OutputData;
-            var exitCode = _instance.BlockUntilFinished();
-            
-            if (!File.Exists(output.FullName) || new FileInfo(output.FullName).Length == 0)
-            {
-                throw new FFMpegException(FFMpegExceptionType.Process, _errorOutput);
-            }
-
-            return exitCode == 0;
-        }
-
-        private void Cleanup(IEnumerable<string> pathList)
-        {
-            foreach (var path in pathList)
-            {
-                if (File.Exists(path))
-                {
-                    File.Delete(path);
-                }
-            }
-        }
-
-        private static readonly Regex ProgressRegex = new Regex(@"\w\w:\w\w:\w\w", RegexOptions.Compiled);
-        private Instance _instance;
-
-        private void OutputData(object sender, (DataType Type, string Data) msg)
-        {
-            var (type, data) = msg;
-            
-            if (data == null) return;
-            if (type == DataType.Error)
-            {
-                _errorOutput.AppendLine(data);
-                return;
-            }
-            
-#if DEBUG
-            Trace.WriteLine(data);
-#endif
-
-            if (OnProgress == null) return;
-            if (!data.Contains("frame")) return;
-            
-            var match = ProgressRegex.Match(data);
-            if (!match.Success) return;
-
-            var processed = TimeSpan.Parse(match.Value, CultureInfo.InvariantCulture);
-            var percentage = Math.Round(processed.TotalSeconds / _totalTime.TotalSeconds * 100, 2);
-            OnProgress(percentage);
-        }
-
-        #endregion
-    }
-}

FFMpegCore/FFMPEG/FFMpegOptions.cs

@@ -1,51 +0,0 @@
-using FFMpegCore.FFMPEG.Exceptions;
-using Newtonsoft.Json;
-using System;
-using System.IO;
-using System.Runtime.InteropServices;
-using Instances;
-
-namespace FFMpegCore.FFMPEG
-{
-    public class FFMpegOptions
-    {
-        private static readonly string ConfigFile = Path.Combine(".", "ffmpeg.config.json");
-        private static readonly string DefaultRoot = Path.Combine(".", "FFMPEG", "bin");
-
-        public static FFMpegOptions Options { get; private set; } = new FFMpegOptions();
-
-        public static void Configure(FFMpegOptions options)
-        {
-            Options = options;
-        }
-
-        static FFMpegOptions()
-        {
-            if (File.Exists(ConfigFile))
-            {
-                Options = JsonConvert.DeserializeObject<FFMpegOptions>(File.ReadAllText(ConfigFile));
-            }
-        }
-
-        public string RootDirectory { get; set; } = DefaultRoot;
-
-        public string FFmpegBinary => FFBinary("FFMpeg");
-
-        public string FFProbeBinary => FFBinary("FFProbe");
-
-        private static string FFBinary(string name)
-        {
-            var ffName = name.ToLowerInvariant();
-            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
-                ffName += ".exe";
-
-            var target = Environment.Is64BitProcess ? "x64" : "x86";
-            if (Directory.Exists(Path.Combine(Options.RootDirectory, target)))
-            {
-                ffName = Path.Combine(target, ffName);
-            }
-
-            return Path.Combine(Options.RootDirectory, ffName);
-        }
-    }
-}

FFMpegCore/FFMPEG/FFMpegStreamMetadata.cs

@@ -1,50 +0,0 @@
-using Newtonsoft.Json;
-using System.Collections.Generic;
-
-namespace FFMpegCore.FFMPEG
-{
-    internal class Stream
-    {
-        [JsonProperty("index")]
-        internal int Index { get; set; }
-
-        [JsonProperty("codec_name")]
-        internal string CodecName { get; set; }
-
-        [JsonProperty("bit_rate")]
-        internal string BitRate { get; set; }
-
-        [JsonProperty("profile")]
-        internal string Profile { get; set; }
-
-        [JsonProperty("codec_type")]
-        internal string CodecType { get; set; }
-
-        [JsonProperty("width")]
-        internal int Width { get; set; }
-
-        [JsonProperty("height")]
-        internal int Height { get; set; }
-
-        [JsonProperty("duration")]
-        internal string Duration { get; set; }
-
-        [JsonProperty("r_frame_rate")]
-        internal string FrameRate { get; set; }
-
-        [JsonProperty("tags")]
-        internal Tags Tags { get; set; }
-    }
-
-    internal class Tags
-    {
-        [JsonProperty("DURATION")]
-        internal string Duration { get; set; }
-    }
-
-    internal class FFMpegStreamMetadata
-    {
-        [JsonProperty("streams")]
-        internal List<Stream> Streams { get; set; }
-    }
-}

FFMpegCore/FFMPEG/FFProbe.cs

@@ -1,135 +0,0 @@
-using FFMpegCore.FFMPEG.Exceptions;
-using FFMpegCore.Helpers;
-using Newtonsoft.Json;
-using System;
-using System.Globalization;
-using System.Threading.Tasks;
-using Instances;
-
-namespace FFMpegCore.FFMPEG
-{
-    public sealed class FFProbe
-    {
-        static readonly double BITS_TO_MB = 1024 * 1024 * 8;
-        private readonly string _ffprobePath;
-
-        public FFProbe(): base()
-        {
-            FFProbeHelper.RootExceptionCheck(FFMpegOptions.Options.RootDirectory);
-            _ffprobePath = FFMpegOptions.Options.FFProbeBinary;
-        }
-
-        /// <summary>
-        ///     Probes the targeted video file and retrieves all available details.
-        /// </summary>
-        /// <param name="source">Source video file.</param>
-        /// <returns>A video info object containing all details necessary.</returns>
-        public VideoInfo ParseVideoInfo(string source)
-        {
-            return ParseVideoInfo(new VideoInfo(source));
-        }
-        /// <summary>
-        ///     Probes the targeted video file asynchronously and retrieves all available details.
-        /// </summary>
-        /// <param name="source">Source video file.</param>
-        /// <returns>A task for the video info object containing all details necessary.</returns>
-        public Task<VideoInfo> ParseVideoInfoAsync(string source)
-        {
-            return ParseVideoInfoAsync(new VideoInfo(source));
-        }
-
-        /// <summary>
-        ///     Probes the targeted video file and retrieves all available details.
-        /// </summary>
-        /// <param name="info">Source video file.</param>
-        /// <returns>A video info object containing all details necessary.</returns>
-        public VideoInfo ParseVideoInfo(VideoInfo info)
-        {
-            var instance = new Instance(_ffprobePath, BuildFFProbeArguments(info));
-            instance.BlockUntilFinished();
-            var output = string.Join("", instance.OutputData);
-            return ParseVideoInfoInternal(info, output);
-        }
-        /// <summary>
-        ///     Probes the targeted video file asynchronously and retrieves all available details.
-        /// </summary>
-        /// <param name="info">Source video file.</param>
-        /// <returns>A video info object containing all details necessary.</returns>
-        public async Task<VideoInfo> ParseVideoInfoAsync(VideoInfo info)
-        {
-            var instance = new Instance(_ffprobePath, BuildFFProbeArguments(info));
-            await instance.FinishedRunning();
-            var output = string.Join("", instance.OutputData);
-            return ParseVideoInfoInternal(info, output);
-        }
-
-        private static string BuildFFProbeArguments(VideoInfo info) =>
-            $"-v quiet -print_format json -show_streams \"{info.FullName}\"";
-        
-        private VideoInfo ParseVideoInfoInternal(VideoInfo info, string probeOutput)
-        {
-            var metadata = JsonConvert.DeserializeObject<FFMpegStreamMetadata>(probeOutput);
-
-            if (metadata.Streams == null || metadata.Streams.Count == 0)
-            {
-                throw new FFMpegException(FFMpegExceptionType.File, $"No video or audio streams could be detected. Source: ${info.FullName}");
-            }
-  
-            var video = metadata.Streams.Find(s => s.CodecType == "video");
-            var audio = metadata.Streams.Find(s => s.CodecType == "audio");
-
-            double videoSize = 0d;
-            double audioSize = 0d;
-
-            string sDuration = (video ?? audio).Duration;
-            TimeSpan duration = TimeSpan.Zero;
-            if (sDuration != null)
-            {
-                duration = TimeSpan.FromSeconds(double.TryParse(sDuration, NumberStyles.Any, CultureInfo.InvariantCulture, out var output) ? output : 0);
-            }
-            else
-            {
-                sDuration = (video ?? audio).Tags.Duration;
-                if (sDuration != null)
-                    TimeSpan.TryParse(sDuration.Remove(sDuration.LastIndexOf('.') + 8), CultureInfo.InvariantCulture, out duration); // TimeSpan fractions only allow up to 7 digits
-            }
-            info.Duration = duration;
-            
-            if (video != null)
-            {
-                var bitRate = Convert.ToDouble(video.BitRate, CultureInfo.InvariantCulture);
-                var fr = video.FrameRate.Split('/');
-                var commonDenominator = FFProbeHelper.Gcd(video.Width, video.Height);
-
-                videoSize = bitRate * duration.TotalSeconds / BITS_TO_MB;
-
-                info.VideoFormat = video.CodecName;
-                info.Width = video.Width;
-                info.Height = video.Height;
-                info.FrameRate = Math.Round(
-                    Convert.ToDouble(fr[0], CultureInfo.InvariantCulture) /
-                    Convert.ToDouble(fr[1], CultureInfo.InvariantCulture),
-                    3);
-                info.Ratio = video.Width / commonDenominator + ":" + video.Height / commonDenominator;
-            } else
-            {
-                info.VideoFormat = "none";
-            }
-
-            if (audio != null)
-            {
-                var bitRate = Convert.ToDouble(audio.BitRate, CultureInfo.InvariantCulture);
-                info.AudioFormat = audio.CodecName;
-                audioSize = bitRate * duration.TotalSeconds / BITS_TO_MB;
-            } else
-            {
-                info.AudioFormat = "none";
-
-            }
-
-            info.Size = Math.Round(videoSize + audioSize, 2);
-
-            return info;
-        }
-    }
-}

FFMpegCore/FFMpeg/Arguments/AudioBitrateArgument.cs

@@ -0,0 +1,20 @@
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents parameter of audio codec and it's quality
+    /// </summary>
+    public class AudioBitrateArgument : IArgument
+    {
+        public readonly int Bitrate;
+        public AudioBitrateArgument(AudioQuality value) : this((int)value) { }
+        public AudioBitrateArgument(int bitrate)
+        {
+            Bitrate = bitrate;
+        }
+
+
+        public string Text => $"-b:a {Bitrate}k";
+    }
+}

FFMpegCore/FFMpeg/Arguments/AudioCodecArgument.cs

@@ -0,0 +1,28 @@
+using FFMpegCore.Enums;
+using FFMpegCore.Exceptions;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents parameter of audio codec and it's quality
+    /// </summary>
+    public class AudioCodecArgument : IArgument
+    {
+        public readonly string AudioCodec;
+
+        public AudioCodecArgument(Codec audioCodec)
+        {
+            if (audioCodec.Type != CodecType.Audio)
+                throw new FFMpegException(FFMpegExceptionType.Operation, $"Codec \"{audioCodec.Name}\" is not an audio codec");
+
+            AudioCodec = audioCodec.Name;
+        }
+
+        public AudioCodecArgument(string audioCodec)
+        {
+            AudioCodec = audioCodec;
+        }
+
+        public string Text => $"-c:a {AudioCodec.ToString().ToLowerInvariant()}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/AudioSamplingRateArgument.cs

@@ -0,0 +1,16 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Audio sampling rate argument. Defaults to 48000 (Hz)
+    /// </summary>
+    public class AudioSamplingRateArgument : IArgument
+    {
+        public readonly int SamplingRate;
+        public AudioSamplingRateArgument(int samplingRate = 48000)
+        {
+            SamplingRate = samplingRate;
+        }
+
+        public string Text => $"-ar {SamplingRate}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/BitStreamFilterArgument.cs

@@ -0,0 +1,26 @@
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents parameter of bitstream filter
+    /// </summary>
+    public class BitStreamFilterArgument : IArgument
+    {
+        public readonly Channel Channel;
+        public readonly Filter Filter;
+
+        public BitStreamFilterArgument(Channel channel, Filter filter)
+        {
+            Channel = channel;
+            Filter = filter;
+        }
+
+        public string Text => Channel switch
+        {
+            Channel.Audio => $"-bsf:a {Filter.ToString().ToLowerInvariant()}",
+            Channel.Video => $"-bsf:v {Filter.ToString().ToLowerInvariant()}",
+            _ => string.Empty
+        };
+    }
+}

FFMpegCore/FFMpeg/Arguments/ConcatArgument.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FFMpegCore.Arguments
+{
+
+    /// <summary>
+    /// Represents parameter of concat argument
+    /// Used for creating video from multiple images or videos
+    /// </summary>
+    public class ConcatArgument : IInputArgument
+    {
+        public readonly IEnumerable<string> Values;
+        public ConcatArgument(IEnumerable<string> values)
+        {
+            Values = values;
+        }
+
+        public void Pre() { }
+        public Task During(CancellationToken cancellationToken = default) => Task.CompletedTask;
+        public void Post() { }
+        
+        public string Text => $"-i \"concat:{string.Join(@"|", Values)}\"";
+    }
+}

FFMpegCore/FFMpeg/Arguments/ConstantRateFactorArgument.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Constant Rate Factor (CRF) argument
+    /// </summary>
+    public class ConstantRateFactorArgument : IArgument
+    {
+        public readonly int Crf;
+
+        public ConstantRateFactorArgument(int crf)
+        {
+            if (crf < 0 || crf > 63)
+            {
+                throw new ArgumentException("Argument is outside range (0 - 63)", nameof(crf));
+            }
+
+            Crf = crf;
+        }
+
+        public string Text => $"-crf {Crf}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/CopyArgument.cs

@@ -0,0 +1,24 @@
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents parameter of copy parameter
+    /// Defines if channel (audio, video or both) should be copied to output file
+    /// </summary>
+    public class CopyArgument : IArgument
+    {
+        public readonly Channel Channel;
+        public CopyArgument(Channel channel = Channel.Both)
+        {
+            Channel = channel;
+        }
+
+        public string Text => Channel switch
+        {
+            Channel.Audio => "-c:a copy",
+            Channel.Video => "-c:v copy",
+            _ => "-c copy"
+        };
+    }
+}

FFMpegCore/FFMpeg/Arguments/CustomArgument.cs

@@ -0,0 +1,14 @@
+namespace FFMpegCore.Arguments
+{
+    public class CustomArgument : IArgument
+    {
+        public readonly string Argument;
+
+        public CustomArgument(string argument)
+        {
+            Argument = argument;
+        }
+
+        public string Text => Argument ?? string.Empty;
+    }
+}

FFMpegCore/FFMpeg/Arguments/DemuxConcatArgument.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents parameter of concat argument
+    /// Used for creating video from multiple images or videos
+    /// </summary>
+    public class DemuxConcatArgument : IInputArgument
+    {
+        public readonly IEnumerable<string> Values;
+        public DemuxConcatArgument(IEnumerable<string> values)
+        {
+            Values = values.Select(value => $"file '{value}'");
+        }
+        private readonly string _tempFileName = Path.Combine(FFMpegOptions.Options.TempDirectory, Guid.NewGuid() + ".txt");
+
+        public void Pre() => File.WriteAllLines(_tempFileName, Values);
+        public Task During(CancellationToken cancellationToken = default) => Task.CompletedTask;
+        public void Post() => File.Delete(_tempFileName);
+
+        public string Text => $"-f concat -safe 0 -i \"{_tempFileName}\"";
+    }
+}

FFMpegCore/FFMpeg/Arguments/DisableChannelArgument.cs

@@ -0,0 +1,27 @@
+using FFMpegCore.Enums;
+using FFMpegCore.Exceptions;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents cpu speed parameter
+    /// </summary>
+    public class DisableChannelArgument : IArgument
+    {
+        public readonly Channel Channel;
+
+        public DisableChannelArgument(Channel channel)
+        {
+            if (channel == Channel.Both)
+                throw new FFMpegException(FFMpegExceptionType.Conversion, "Cannot disable both channels");
+            Channel = channel;
+        }
+
+        public string Text => Channel switch
+        {
+            Channel.Video => "-vn",
+            Channel.Audio => "-an",
+            _ => string.Empty
+        };
+    }
+}

FFMpegCore/FFMpeg/Arguments/DrawTextArgument.cs

@@ -0,0 +1,61 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Drawtext video filter argument
+    /// </summary>
+    public class DrawTextArgument : IArgument
+    {
+        public readonly DrawTextOptions Options;
+        
+        public DrawTextArgument(DrawTextOptions options)
+        {
+            Options = options;
+        }
+        
+        public string Text => $"-vf drawtext=\"{Options.TextInternal}\"";
+    }
+    
+    public class DrawTextOptions
+    {
+        public readonly string Text;
+        public readonly string Font;
+        public readonly List<(string key, string value)> Parameters;
+
+        public static DrawTextOptions Create(string text, string font)
+        {
+            return new DrawTextOptions(text, font, new List<(string, string)>());
+        }
+        public static DrawTextOptions Create(string text, string font, params (string key, string value)[] parameters)
+        {
+            return new DrawTextOptions(text, font, parameters);
+        }
+
+        internal string TextInternal => string.Join(":", new[] {("text", Text), ("fontfile", Font)}.Concat(Parameters).Select(FormatArgumentPair));
+
+        private static string FormatArgumentPair((string key, string value) pair)
+        {
+            return $"{pair.key}={EncloseIfContainsSpace(pair.value)}";
+        }
+
+        private static string EncloseIfContainsSpace(string input)
+        {
+            return input.Contains(" ") ? $"'{input}'" : input;
+        }
+
+        private DrawTextOptions(string text, string font, IEnumerable<(string, string)> parameters)
+        {
+            Text = text;
+            Font = font;
+            Parameters = parameters.ToList();
+        }
+
+        public DrawTextOptions WithParameter(string key, string value)
+        {
+            Parameters.Add((key, value));
+            return this;
+        }
+    }
+}

FFMpegCore/FFMpeg/Arguments/DurationArgument.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents duration parameter
+    /// </summary>
+    public class DurationArgument : IArgument
+    {
+        public readonly TimeSpan? Duration;
+        public DurationArgument(TimeSpan? duration)
+        {
+            Duration = duration;
+        }
+
+        public string Text => !Duration.HasValue ? string.Empty : $"-t {Duration.Value}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/FaststartArgument.cs

@@ -0,0 +1,10 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Faststart argument - for moving moov atom to the start of file
+    /// </summary>
+    public class FaststartArgument : IArgument
+    {
+        public string Text => "-movflags faststart";
+    }
+}

FFMpegCore/FFMpeg/Arguments/ForceFormatArgument.cs

@@ -0,0 +1,23 @@
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents force format parameter
+    /// </summary>
+    public class ForceFormatArgument : IArgument
+    {
+        private readonly string _format;
+        public ForceFormatArgument(string format)
+        {
+            _format = format;
+        }
+
+        public ForceFormatArgument(ContainerFormat format)
+        {
+            _format = format.Name;
+        }
+
+        public string Text => $"-f {_format}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/ForcePixelFormat.cs

@@ -0,0 +1,17 @@
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    public class ForcePixelFormat : IArgument
+    {
+        public string PixelFormat { get; }
+        public string Text => $"-pix_fmt {PixelFormat}";
+
+        public ForcePixelFormat(string format)
+        {
+            PixelFormat = format;
+        }
+
+        public ForcePixelFormat(PixelFormat format) : this(format.Name) { }
+    }
+}

FFMpegCore/FFMpeg/Arguments/FrameOutputCountArgument.cs

@@ -0,0 +1,16 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents frame output count parameter
+    /// </summary>
+    public class FrameOutputCountArgument : IArgument
+    {
+        public readonly int Frames;
+        public FrameOutputCountArgument(int frames)
+        {
+            Frames = frames;
+        }
+
+        public string Text => $"-vframes {Frames}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/FrameRateArgument.cs

@@ -0,0 +1,17 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents frame rate parameter
+    /// </summary>
+    public class FrameRateArgument : IArgument
+    {
+        public readonly double Framerate;
+
+        public FrameRateArgument(double framerate)
+        {
+            Framerate = framerate;
+        }
+
+        public string Text => $"-r {Framerate.ToString(System.Globalization.CultureInfo.InvariantCulture)}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/HardwareAccelerationArgument.cs

@@ -0,0 +1,18 @@
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    public class HardwareAccelerationArgument : IArgument
+    {
+        public HardwareAccelerationDevice HardwareAccelerationDevice { get; }
+
+        public HardwareAccelerationArgument(HardwareAccelerationDevice hardwareAccelerationDevice)
+        {
+            HardwareAccelerationDevice = hardwareAccelerationDevice;
+        }
+
+        public string Text => HardwareAccelerationDevice != HardwareAccelerationDevice.Auto
+            ? $"-hwaccel {HardwareAccelerationDevice.ToString().ToLower()}"
+            : "-hwaccel";
+    }
+}

FFMpegCore/FFMpeg/Arguments/IArgument.cs

@@ -0,0 +1,10 @@
+namespace FFMpegCore.Arguments
+{
+    public interface IArgument
+    {
+        /// <summary>
+        /// The textual representation of the argument
+        /// </summary>
+        string Text { get; }
+    }
+}

FFMpegCore/FFMpeg/Arguments/IInputArgument.cs

@@ -0,0 +1,6 @@
+namespace FFMpegCore.Arguments
+{
+    public interface IInputArgument : IInputOutputArgument
+    {
+    }
+}

FFMpegCore/FFMpeg/Arguments/IInputOutputArgument.cs

@@ -0,0 +1,12 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FFMpegCore.Arguments
+{
+    public interface IInputOutputArgument : IArgument
+    {
+        void Pre();
+        Task During(CancellationToken cancellationToken = default);
+        void Post();
+    }
+}

FFMpegCore/FFMpeg/Arguments/IOutputArgument.cs

@@ -0,0 +1,6 @@
+namespace FFMpegCore.Arguments
+{
+    public interface IOutputArgument : IInputOutputArgument
+    {
+    }
+}

FFMpegCore/FFMpeg/Arguments/InputArgument.cs

@@ -0,0 +1,34 @@
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents input parameter
+    /// </summary>
+    public class InputArgument : IInputArgument
+    {
+        public readonly bool VerifyExists;
+        public readonly string FilePath;
+        
+        public InputArgument(bool verifyExists, string filePaths)
+        {
+            VerifyExists = verifyExists;
+            FilePath = filePaths;
+        }
+
+        public InputArgument(string path, bool verifyExists) : this(verifyExists, path) { }
+
+        public void Pre()
+        {
+            if (VerifyExists && !File.Exists(FilePath))
+                throw new FileNotFoundException("Input file not found", FilePath);
+        }
+
+        public Task During(CancellationToken cancellationToken = default) => Task.CompletedTask;
+        public void Post() { }
+        
+        public string Text => $"-i \"{FilePath}\"";
+    }
+}

FFMpegCore/FFMpeg/Arguments/InputPipeArgument.cs

@@ -0,0 +1,30 @@
+using System.IO.Pipes;
+using System.Threading;
+using System.Threading.Tasks;
+using FFMpegCore.Pipes;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents input parameter for a named pipe
+    /// </summary>
+    public class InputPipeArgument : PipeArgument, IInputArgument
+    {
+        public readonly IPipeSource Writer;
+
+        public InputPipeArgument(IPipeSource writer) : base(PipeDirection.Out)
+        {
+            Writer = writer;
+        }
+
+        public override string Text => $"-y {Writer.GetFormat()} -i \"{PipePath}\"";
+
+        protected override async Task ProcessDataAsync(CancellationToken token)
+        {
+            await Pipe.WaitForConnectionAsync(token).ConfigureAwait(false);
+            if (!Pipe.IsConnected)
+                throw new TaskCanceledException();
+            await Writer.CopyAsync(Pipe, token).ConfigureAwait(false);
+        }
+    }
+}

FFMpegCore/FFMpeg/Arguments/LoopArgument.cs

@@ -0,0 +1,16 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents loop parameter
+    /// </summary>
+    public class LoopArgument : IArgument
+    {
+        public readonly int Times;
+        public LoopArgument(int times)
+        {
+            Times = times;
+        }
+
+        public string Text => $"-loop {Times}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/OutputArgument.cs

@@ -0,0 +1,39 @@
+using System;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using FFMpegCore.Exceptions;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents output parameter
+    /// </summary>
+    public class OutputArgument : IOutputArgument
+    {
+        public readonly string Path;
+        public readonly bool Overwrite;
+
+        public OutputArgument(string path, bool overwrite = true)
+        {
+            Path = path;
+            Overwrite = overwrite;
+        }
+
+        public void Pre()
+        {
+            if (!Overwrite && File.Exists(Path))
+                throw new FFMpegException(FFMpegExceptionType.File, "Output file already exists and overwrite is disabled");
+        }
+        public Task During(CancellationToken cancellationToken = default) => Task.CompletedTask;
+        public void Post()
+        {
+        }
+
+        public OutputArgument(FileInfo value) : this(value.FullName) { }
+
+        public OutputArgument(Uri value) : this(value.AbsolutePath) { }
+
+        public string Text => $"\"{Path}\"{(Overwrite ? " -y" : string.Empty)}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/OutputPipeArgument.cs

@@ -0,0 +1,27 @@
+using System.IO.Pipes;
+using System.Threading;
+using System.Threading.Tasks;
+using FFMpegCore.Pipes;
+
+namespace FFMpegCore.Arguments
+{
+    public class OutputPipeArgument : PipeArgument, IOutputArgument
+    {
+        public readonly IPipeSink Reader;
+
+        public OutputPipeArgument(IPipeSink reader) : base(PipeDirection.In)
+        {
+            Reader = reader;
+        }
+
+        public override string Text => $"\"{PipePath}\" -y";
+
+        protected override async Task ProcessDataAsync(CancellationToken token)
+        {
+            await Pipe.WaitForConnectionAsync(token).ConfigureAwait(false);
+            if (!Pipe.IsConnected)
+                throw new TaskCanceledException();
+            await Reader.CopyAsync(Pipe, token).ConfigureAwait(false);
+        }
+    }
+}

FFMpegCore/FFMpeg/Arguments/OverwriteArgument.cs

@@ -0,0 +1,11 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents overwrite parameter
+    /// If output file should be overwritten if exists
+    /// </summary>
+    public class OverwriteArgument : IArgument
+    {
+        public string Text => "-y";
+    }
+}

FFMpegCore/FFMpeg/Arguments/PipeArgument.cs

@@ -0,0 +1,52 @@
+using System;
+using System.IO.Pipes;
+using System.Threading;
+using System.Threading.Tasks;
+using FFMpegCore.Pipes;
+
+namespace FFMpegCore.Arguments
+{
+    public abstract class PipeArgument
+    {
+        private string PipeName { get; }
+        public string PipePath => PipeHelpers.GetPipePath(PipeName);
+
+        protected NamedPipeServerStream Pipe { get; private set; } = null!;
+        private readonly PipeDirection _direction;
+
+        protected PipeArgument(PipeDirection direction)
+        {
+            PipeName = PipeHelpers.GetUnqiuePipeName();
+            _direction = direction;
+        }
+
+        public void Pre()
+        {
+            if (Pipe != null)
+                throw new InvalidOperationException("Pipe already has been opened");
+
+            Pipe = new NamedPipeServerStream(PipeName, _direction, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous);
+        }
+
+        public void Post()
+        {
+            Pipe?.Dispose();
+            Pipe = null!;
+        }
+
+        public async Task During(CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                await ProcessDataAsync(cancellationToken);
+            }
+            catch (TaskCanceledException)
+            {
+            }
+            Pipe.Disconnect();
+        }
+
+        protected abstract Task ProcessDataAsync(CancellationToken token);
+        public abstract string Text { get; }
+    }
+}

FFMpegCore/FFMpeg/Arguments/RemoveMetadataArgument.cs

@@ -0,0 +1,10 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Remove metadata argument
+    /// </summary>
+    public class RemoveMetadataArgument : IArgument
+    {
+        public string Text => "-map_metadata -1";
+    }
+}

FFMpegCore/FFMpeg/Arguments/ScaleArgument.cs

@@ -0,0 +1,26 @@
+using System.Drawing;
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents scale parameter
+    /// </summary>
+    public class ScaleArgument : IArgument
+    {
+        public readonly Size? Size;
+        public ScaleArgument(Size? size)
+        {
+            Size = size;
+        }
+
+        public ScaleArgument(int width, int height) : this(new Size(width, height)) { }
+
+        public ScaleArgument(VideoSize videosize)
+        {
+            Size = videosize == VideoSize.Original ? new Size(-1, -1) : new Size(-1, (int)videosize);
+        }
+
+        public virtual string Text => Size.HasValue ? $"-vf scale={Size.Value.Width}:{Size.Value.Height}" : string.Empty;
+    }
+}

FFMpegCore/FFMpeg/Arguments/SeekArgument.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents seek parameter
+    /// </summary>
+    public class SeekArgument : IArgument
+    {
+        public readonly TimeSpan? SeekTo;
+        public SeekArgument(TimeSpan? seekTo)
+        {
+            SeekTo = seekTo;
+        }
+        
+        public string Text => !SeekTo.HasValue ? string.Empty : $"-ss {SeekTo.Value}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/ShortestArgument.cs

@@ -0,0 +1,17 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents shortest parameter
+    /// </summary>
+    public class ShortestArgument : IArgument
+    {
+        public readonly bool Shortest;
+
+        public ShortestArgument(bool shortest)
+        {
+            Shortest = shortest;
+        }
+
+        public string Text => Shortest ? "-shortest" : string.Empty;
+    }
+}

FFMpegCore/FFMpeg/Arguments/SizeArgument.cs

@@ -0,0 +1,19 @@
+using System.Drawing;
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents size parameter
+    /// </summary>
+    public class SizeArgument : ScaleArgument
+    {
+        public SizeArgument(Size? value) : base(value) { }
+
+        public SizeArgument(VideoSize videosize) : base(videosize) { }
+
+        public SizeArgument(int width, int height) : base(width, height) { }
+
+        public override string Text => Size.HasValue ? $"-s {Size.Value.Width}x{Size.Value.Height}" : string.Empty;
+    }
+}

FFMpegCore/FFMpeg/Arguments/SpeedPresetArgument.cs

@@ -0,0 +1,19 @@
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents speed parameter
+    /// </summary>
+    public class SpeedPresetArgument : IArgument
+    {
+        public readonly Speed Speed;
+
+        public SpeedPresetArgument(Speed speed)
+        {
+            Speed = speed;
+        }
+
+        public string Text => $"-preset {Speed.ToString().ToLowerInvariant()}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/StartNumberArgument.cs

@@ -0,0 +1,17 @@
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents start number parameter
+    /// </summary>
+    public class StartNumberArgument : IArgument
+    {
+        public readonly int StartNumber;
+        
+        public StartNumberArgument(int startNumber)
+        {
+            StartNumber = startNumber;
+        }
+
+        public string Text => $"-start_number {StartNumber}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/ThreadsArgument.cs

@@ -0,0 +1,21 @@
+using System;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Represents threads parameter
+    /// Number of threads used for video encoding
+    /// </summary>
+    public class ThreadsArgument : IArgument
+    {
+        public readonly int Threads;
+        public ThreadsArgument(int threads)
+        {
+            Threads = threads;
+        }
+
+        public ThreadsArgument(bool isMultiThreaded) : this(isMultiThreaded ? Environment.ProcessorCount : 1) { }
+
+        public string Text => $"-threads {Threads}";
+    }
+}

FFMpegCore/FFMpeg/Arguments/TransposeArgument.cs

@@ -0,0 +1,22 @@
+using FFMpegCore.Enums;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    /// Transpose argument.
+    /// 0 = 90CounterCLockwise and Vertical Flip (default)
+    /// 1 = 90Clockwise
+    /// 2 = 90CounterClockwise
+    /// 3 = 90Clockwise and Vertical Flip
+    /// </summary>
+    public class TransposeArgument : IArgument
+    {
+        public readonly Transposition Transposition;
+        public TransposeArgument(Transposition transposition)
+        {
+            Transposition = transposition;
+        }
+
+        public string Text => $"-vf \"transpose={(int)Transposition}\"";
+    }
+}