Added Codec, PixelFormat and ContainerFormat classes

Former-commit-id: bbc9305e2b

FFMpegCore.Test/ArgumentBuilderTest.cs

@@ -169,8 +169,8 @@ public void Builder_BuildString_CpuSpeed()
         [TestMethod]
         public void Builder_BuildString_ForceFormat()
         {
-            var str = FFMpegArguments.FromInputFiles(true, "input.mp4").ForceFormat(VideoCodec.LibX264).OutputToFile("output.mp4").Arguments;
+            var str = FFMpegArguments.FromInputFiles(true, "input.mp4").ForceFormat(VideoType.Mp4).OutputToFile("output.mp4").Arguments;
-            Assert.AreEqual("-i \"input.mp4\" -f libx264 \"output.mp4\"", str);
+            Assert.AreEqual("-i \"input.mp4\" -f mp4 \"output.mp4\"", str);
         }
 
         [TestMethod]
@@ -278,13 +278,13 @@ public void Builder_BuildString_Threads_2()
         public void Builder_BuildString_Codec()
         {
             var str = FFMpegArguments.FromInputFiles(true, "input.mp4").WithVideoCodec(VideoCodec.LibX264).OutputToFile("output.mp4").Arguments;
-            Assert.AreEqual("-i \"input.mp4\" -c:v libx264 -pix_fmt yuv420p \"output.mp4\"", str);
+            Assert.AreEqual("-i \"input.mp4\" -c:v libx264 \"output.mp4\"", str);
         }
 
         [TestMethod]
         public void Builder_BuildString_Codec_Override()
         {
-            var str = FFMpegArguments.FromInputFiles(true, "input.mp4").WithVideoCodec(VideoCodec.LibX264).OutputToFile("output.mp4", true).Arguments;
+            var str = FFMpegArguments.FromInputFiles(true, "input.mp4").WithVideoCodec(VideoCodec.LibX264).ForcePixelFormat("yuv420p").OutputToFile("output.mp4", true).Arguments;
             Assert.AreEqual("-i \"input.mp4\" -c:v libx264 -pix_fmt yuv420p \"output.mp4\" -y", str);
         }
 
@@ -305,5 +305,13 @@ public void Builder_BuildString_Raw()
             str = FFMpegArguments.FromInputFiles(true, "input.mp4").WithCustomArgument("-acodec copy").OutputToFile("output.mp4").Arguments;
             Assert.AreEqual("-i \"input.mp4\" -acodec copy \"output.mp4\"", str);
         }
+
+
+        [TestMethod]
+        public void Builder_BuildString_ForcePixelFormat()
+        {
+            var str = FFMpegArguments.FromInputFiles(true, "input.mp4").ForcePixelFormat("yuv444p").OutputToFile("output.mp4").Arguments;
+            Assert.AreEqual("-i \"input.mp4\" -pix_fmt yuv444p \"output.mp4\"", str);
+        }
     }
 }

FFMpegCore.Test/PixelFormatTests.cs

@@ -0,0 +1,44 @@
+using FFMpegCore.Exceptions;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+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

@@ -25,25 +25,25 @@ public static class VideoLibrary
         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 string 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 string OutputLocation(this FileInfo file, AudioType type)
         {
-            return OutputLocation(file, type, "_audio");
+            return OutputLocation(file, type.ToString(), "_audio");
         }
 
         public static string OutputLocation(this FileInfo file, ImageType type)
         {
-            return OutputLocation(file, type, "_screenshot");
+            return OutputLocation(file, type.ToString(), "_screenshot");
         }
 
-        public static string 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().ToLowerInvariant());
+                outputFile = file.Name.Replace(file.Extension, keyword + "." + type.ToLowerInvariant());
 
             return $"{originalLocation}{Path.DirectorySeparatorChar}{outputFile}";
         }

FFMpegCore.Test/VideoTest.cs

@@ -15,7 +15,7 @@ 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);
 
@@ -61,7 +61,7 @@ public bool Convert(VideoType type, bool multithreaded = false, VideoSize size =
             }
         }
 
-        private void ConvertFromStreamPipe(VideoType type, params IArgument[] inputArguments)
+        private void ConvertFromStreamPipe(ContainerFormat type, params IArgument[] inputArguments)
         {
             var output = Input.OutputLocation(type);
 
@@ -81,7 +81,7 @@ private void ConvertFromStreamPipe(VideoType type, params IArgument[] inputArgum
                     var success = processor.ProcessSynchronously();
 
                     var outputVideo = FFProbe.Analyse(output);
-                    
+
                     Assert.IsTrue(success);
                     Assert.IsTrue(File.Exists(output));
                     Assert.IsTrue(Math.Abs((outputVideo.Duration - input.Duration).TotalMilliseconds) < 1000.0 / input.PrimaryVideoStream.FrameRate);
@@ -157,7 +157,7 @@ private void ConvertToStreamPipe(params IArgument[] inputArguments)
             }
         }
 
-        public void Convert(VideoType type, params IArgument[] inputArguments)
+        public void Convert(ContainerFormat type, Action<MediaAnalysis> validationMethod, params IArgument[] inputArguments)
         {
             var output = Input.OutputLocation(type);
 
@@ -178,7 +178,7 @@ public void Convert(VideoType type, params IArgument[] inputArguments)
 
                 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);
@@ -207,7 +207,12 @@ public void Convert(VideoType type, params IArgument[] inputArguments)
             }
         }
 
-        public void ConvertFromPipe(VideoType type, PixelFormat fmt, params IArgument[] inputArguments)
+        public void Convert(ContainerFormat type, params IArgument[] inputArguments)
+        {
+            Convert(type, null, inputArguments);
+        }
+
+        public void ConvertFromPipe(ContainerFormat type, PixelFormat fmt, params IArgument[] inputArguments)
         {
             var output = Input.OutputLocation(type);
 
@@ -218,7 +223,7 @@ public void ConvertFromPipe(VideoType type, PixelFormat fmt, params IArgument[]
                 foreach (var arg in inputArguments)
                     arguments.WithArgument(arg);
                 var processor = arguments.OutputToFile(output);
-                
+
                 var scaling = arguments.Find<ScaleArgument>();
                 processor.ProcessSynchronously();
 
@@ -261,6 +266,13 @@ public void Video_ToMP4()
             Convert(VideoType.Mp4);
         }
 
+        [TestMethod]
+        public void Video_ToMP4_YUV444p()
+        {
+            Convert(VideoType.Mp4, (a) => Assert.IsTrue(a.VideoStreams.First().PixelFormat == "yuv444p"), 
+                new ForcePixelFormat("yuv444p"));
+        }
+
         [TestMethod]
         public void Video_ToMP4_Args()
         {
@@ -339,10 +351,10 @@ public void Video_ToTS()
         [TestMethod]
         public void Video_ToTS_Args()
         {
-            Convert(VideoType.Ts, 
+            Convert(VideoType.Ts,
                 new CopyArgument(),
                 new BitStreamFilterArgument(Channel.Video, Filter.H264_Mp4ToAnnexB),
-                new ForceFormatArgument(VideoCodec.MpegTs));
+                new ForceFormatArgument(VideoType.MpegTs));
         }
 
         [DataTestMethod]
@@ -351,7 +363,7 @@ public void Video_ToTS_Args()
         // [DataRow(PixelFormat.Format48bppRgb)]
         public void Video_ToTS_Args_Pipe(PixelFormat pixelFormat)
         {
-            ConvertFromPipe(VideoType.Ts, pixelFormat, new ForceFormatArgument(VideoCodec.MpegTs));
+            ConvertFromPipe(VideoType.Ts, pixelFormat, new ForceFormatArgument(VideoType.Ts));
         }
 
         [TestMethod]
@@ -466,7 +478,7 @@ public void Video_Snapshot_PersistSnapshot()
         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 = FFProbe.Analyse(Input.FullName);
@@ -475,7 +487,7 @@ public void Video_Join()
 
                 var success = FFMpeg.Join(output, input, input2);
                 Assert.IsTrue(success);
-                
+
                 Assert.IsTrue(File.Exists(output));
                 var expectedDuration = input.Duration * 2;
                 var result = FFProbe.Analyse(output);
@@ -549,7 +561,7 @@ public void Video_Duration()
         {
             var video = FFProbe.Analyse(VideoLibrary.LocalVideo.FullName);
             var output = Input.OutputLocation(VideoType.Mp4);
-            
+
             try
             {
                 FFMpegArguments
@@ -584,7 +596,7 @@ public void Video_UpdatesProgress()
             void OnTimeProgess(TimeSpan time) => timeDone = time;
 
             var analysis = FFProbe.Analyse(VideoLibrary.LocalVideo.FullName);
-            
+
 
             try
             {

FFMpegCore/Enums/FileExtension.cs

@@ -1,37 +0,0 @@
-using System;
-
-namespace FFMpegCore.Enums
-{
-    public static class FileExtension
-    {
-        public static string Extension(this VideoType type)
-        {
-            return type switch
-            {
-                VideoType.Mp4 => Mp4,
-                VideoType.Ogv => Ogv,
-                VideoType.Ts => Ts,
-                VideoType.WebM => WebM,
-                _ => throw new Exception("The extension for this video type is not defined.")
-            };
-        }
-        public static string Extension(this VideoCodec type)
-        {
-            return type switch
-            {
-                VideoCodec.LibX264 => Mp4,
-                VideoCodec.LibVpx => WebM,
-                VideoCodec.LibTheora => Ogv,
-                VideoCodec.MpegTs => Ts,
-                VideoCodec.Png => Png,
-                _ => 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/FFMpeg/Arguments/AudioCodecArgument.cs

@@ -1,4 +1,5 @@
 using FFMpegCore.Enums;
+using FFMpegCore.Exceptions;
 
 namespace FFMpegCore.Arguments
 {
@@ -7,8 +8,17 @@ namespace FFMpegCore.Arguments
     /// </summary>
     public class AudioCodecArgument : IArgument
     {
-        public readonly AudioCodec AudioCodec;
+        public readonly string AudioCodec;
-        public AudioCodecArgument(AudioCodec 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;
         }

FFMpegCore/FFMpeg/Arguments/ForceFormatArgument.cs

@@ -13,7 +13,10 @@ public ForceFormatArgument(string format)
             _format = format;
         }
 
-        public ForceFormatArgument(VideoCodec value) : this(value.ToString().ToLowerInvariant()) { }
+        public ForceFormatArgument(ContainerFormat format)
+        {
+            _format = format.Name;
+        }
 
         public string Text => $"-f {_format}";
     }

FFMpegCore/FFMpeg/Arguments/ForcePixelFormat.cs

@@ -0,0 +1,20 @@
+using FFMpegCore.Models;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace FFMpegCore.Arguments
+{
+    public class ForcePixelFormat : IArgument
+    {
+        public string PixelFormat { get; private set; }
+        public string Text => $"-pix_fmt {PixelFormat}";
+
+        public ForcePixelFormat(string format)
+        {
+            PixelFormat = format;
+        }
+
+        public ForcePixelFormat(PixelFormat format) : this(format.Name) { }
+    }
+}

FFMpegCore/FFMpeg/Arguments/VideoCodecArgument.cs

@@ -1,4 +1,5 @@
 using FFMpegCore.Enums;
+using FFMpegCore.Exceptions;
 
 namespace FFMpegCore.Arguments
 {
@@ -14,8 +15,14 @@ public VideoCodecArgument(string codec)
             Codec = codec;
         }
 
-        public VideoCodecArgument(VideoCodec value) : this(value.ToString().ToLowerInvariant()) { }
+        public VideoCodecArgument(Codec value) 
+        {
+            if (value.Type != CodecType.Video)
+                throw new FFMpegException(FFMpegExceptionType.Operation, $"Codec \"{value.Name}\" is not a video codec");
 
-        public string Text => $"-c:v {Codec} -pix_fmt yuv420p";
+            Codec = value.Name;
+        }
+
+        public string Text => $"-c:v {Codec}";
     }
 }

FFMpegCore/FFMpeg/Enums/Codec.cs

@@ -1,22 +1,42 @@
 namespace FFMpegCore.Enums
 {
-    public enum VideoCodec
+    public enum CodecType
     {
-        LibX264,
+        Unknown = 0,
-        LibVpx,
+        Video = 1 << 1,
-        LibTheora,
+        Audio = 1 << 2,
-        Png,
+        Subtitle = 1 << 3,
-        MpegTs
+        Data = 1 << 4,
     }
 
-    public enum AudioCodec
+    public static class VideoCodec
     {
-        Aac,
+        public static Codec LibX264 => FFMpeg.GetCodec("libx264");
-        LibVorbis,
+        public static Codec LibVpx => FFMpeg.GetCodec("libvpx");
-        LibFdk_Aac,
+        public static Codec LibTheora => FFMpeg.GetCodec("libtheora");
-        Ac3,
+        public static Codec Png => FFMpeg.GetCodec("png");
-        Eac3,
+        public static Codec MpegTs => FFMpeg.GetCodec("mpegts");
-        LibMp3Lame
+    }
+
+    public static class AudioCodec
+    {
+        public static Codec Aac => FFMpeg.GetCodec("aac");
+        public static Codec LibVorbis => FFMpeg.GetCodec("libvorbis");
+        public static Codec LibFdk_Aac => FFMpeg.GetCodec("libfdk_aac");
+        public static Codec Ac3 => FFMpeg.GetCodec("ac3");
+        public static Codec Eac3 => FFMpeg.GetCodec("eac3");
+        public static Codec LibMp3Lame => FFMpeg.GetCodec("libmp3lame");        
+    }
+
+    public static class VideoType
+    {
+        public static ContainerFormat MpegTs => FFMpeg.GetContinerFormat("mpegts");
+        public static ContainerFormat Ts => FFMpeg.GetContinerFormat("mpegts");
+        public static ContainerFormat Mp4 => FFMpeg.GetContinerFormat("mp4");
+        public static ContainerFormat Mov => FFMpeg.GetContinerFormat("mov");
+        public static ContainerFormat Avi => FFMpeg.GetContinerFormat("avi");
+        public static ContainerFormat Ogv => FFMpeg.GetContinerFormat("ogv");
+        public static ContainerFormat WebM => FFMpeg.GetContinerFormat("webm");
     }
 
     public enum Filter

FFMpegCore/FFMpeg/Enums/ContainerFormat.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace FFMpegCore.Enums
+{
+    public class ContainerFormat
+    {
+        private static readonly Regex _formatRegex = new Regex(@"([D ])([E ])\s+([a-z0-9_]+)\s+(.+)");
+
+        public string Name { get; private set; }
+        public bool DemuxingSupported { get; private set; }
+        public bool MuxingSupported { get; private set; }
+        public string Description { get; private set; } = null!;
+        public string Extension
+        {
+            get
+            {
+                if (FFMpegOptions.Options.ExtensionOverrides.ContainsKey(Name))
+                    return FFMpegOptions.Options.ExtensionOverrides[Name];
+                return "." + Name;
+            }
+        }
+
+        internal ContainerFormat(string name)
+        {
+            Name = name;
+        }
+
+        internal static bool TryParse(string line, out ContainerFormat fmt)
+        {
+            var match = _formatRegex.Match(line);
+            if (!match.Success)
+            {
+                fmt = null!;
+                return false;
+            }
+
+            fmt = new ContainerFormat(match.Groups[3].Value);
+            fmt.DemuxingSupported = match.Groups[1].Value == " ";
+            fmt.MuxingSupported = match.Groups[2].Value == " ";
+            fmt.Description = match.Groups[4].Value;
+            return true;
+        }
+    }
+}

FFMpegCore/FFMpeg/Enums/FileExtension.cs

@@ -0,0 +1,26 @@
+using System;
+
+namespace FFMpegCore.Enums
+{
+    public static class FileExtension
+    {
+        public static string Extension(this Codec type)
+        {
+            return type.Name switch
+            {
+                "libx264" => Mp4,
+                "libxvpx" => WebM,
+                "libxtheora" => Ogv,
+                "mpegts" => Ts,
+                "png" => Png,
+                _ => 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/FFMpeg/Enums/PixelFormat.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace FFMpegCore.Models
+{
+    public class PixelFormat
+    {
+        private static readonly Regex _formatRegex = new Regex(@"([I\.])([O\.])([H\.])([P\.])([B\.])\s+(\S+)\s+([0-9]+)\s+([0-9]+)");
+
+        public bool InputConversionSupported { get; private set; }
+        public bool OutputConversionSupported { get; private set; }
+        public bool HardwareAccelerationSupported { get; private set; }
+        public bool IsPaletted { get; private set; }
+        public bool IsBitstream { get; private set; }
+        public string Name { get; private set; }
+        public int Components { get; private set; }
+        public int BitsPerPixel { get; private set; }
+
+        public bool CanConvertTo(PixelFormat other)
+        {
+            return InputConversionSupported && other.OutputConversionSupported;
+        }
+
+        internal PixelFormat(string name)
+        {
+            Name = name;
+        }
+
+        internal static bool TryParse(string line, out PixelFormat fmt)
+        {
+            var match = _formatRegex.Match(line);
+            if (!match.Success)
+            {
+                fmt = null!;
+                return false;
+            }
+
+            fmt = new PixelFormat(match.Groups[6].Value);
+            fmt.InputConversionSupported = match.Groups[1].Value != ".";
+            fmt.OutputConversionSupported = match.Groups[2].Value != ".";
+            fmt.HardwareAccelerationSupported = match.Groups[3].Value != ".";
+            fmt.IsPaletted = match.Groups[4].Value != ".";
+            fmt.IsBitstream = match.Groups[5].Value != ".";
+            if (!int.TryParse(match.Groups[7].Value, out var nbComponents))
+                return false;
+            fmt.Components = nbComponents;
+            if (!int.TryParse(match.Groups[8].Value, out var bpp))
+                return false;
+            fmt.BitsPerPixel = bpp;
+
+            return true;
+        }
+    }
+}

FFMpegCore/FFMpeg/Enums/VideoCodec.cs

@@ -0,0 +1,154 @@
+using FFMpegCore.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace FFMpegCore.Enums
+{
+    public enum FeatureStatus
+    {
+        Unknown,
+        NotSupported,
+        Supported,
+    }
+
+    public class Codec
+    {
+        private static readonly Regex _codecsFormatRegex = new Regex(@"([D\.])([E\.])([VASD\.])([I\.])([L\.])([S\.])\s+([a-z0-9_-]+)\s+(.+)");
+        private static readonly Regex _decodersEncodersFormatRegex = new Regex(@"([VASD\.])([F\.])([S\.])([X\.])([B\.])([D\.])\s+([a-z0-9_-]+)\s+(.+)");
+
+        public class FeatureLevel
+        {
+            public bool IsExperimental { get; internal set; }
+            public FeatureStatus SupportsFrameLevelMultithreading { get; internal set; }
+            public FeatureStatus SupportsSliceLevelMultithreading { get; internal set; }
+            public FeatureStatus SupportsDrawHorizBand { get; internal set; }
+            public FeatureStatus SupportsDirectRendering { get; internal set; }
+
+            internal void Merge(FeatureLevel other)
+            {
+                IsExperimental |= other.IsExperimental;
+                SupportsFrameLevelMultithreading = (FeatureStatus)Math.Max((int)SupportsFrameLevelMultithreading, (int)other.SupportsFrameLevelMultithreading);
+                SupportsSliceLevelMultithreading = (FeatureStatus)Math.Max((int)SupportsSliceLevelMultithreading, (int)other.SupportsSliceLevelMultithreading);
+                SupportsDrawHorizBand = (FeatureStatus)Math.Max((int)SupportsDrawHorizBand, (int)other.SupportsDrawHorizBand);
+                SupportsDirectRendering = (FeatureStatus)Math.Max((int)SupportsDirectRendering, (int)other.SupportsDirectRendering);
+            }
+        }
+
+        public string Name { get; private set; }
+        public CodecType Type { get; private set; }
+        public bool DecodingSupported { get; private set; }
+        public bool EncodingSupported { get; private set; }
+        public bool IsIntraFrameOnly { get; private set; }
+        public bool IsLossy { get; private set; }
+        public bool IsLossless { get; private set; }
+        public string Description { get; private set; } = null!;
+
+        public FeatureLevel EncoderFeatureLevel { get; private set; }
+        public FeatureLevel DecoderFeatureLevel { get; private set; }
+
+        internal Codec(string name, CodecType type)
+        {
+            EncoderFeatureLevel = new FeatureLevel();
+            DecoderFeatureLevel = new FeatureLevel();
+            Name = name;
+            Type = type;
+        }
+
+        internal static bool TryParseFromCodecs(string line, out Codec codec)
+        {
+            var match = _codecsFormatRegex.Match(line);
+            if (!match.Success)
+            {
+                codec = null!;
+                return false;
+            }
+
+            var name = match.Groups[7].Value;
+            var type = match.Groups[3].Value switch
+            {
+                "V" => CodecType.Video,
+                "A" => CodecType.Audio,
+                "D" => CodecType.Data,
+                "S" => CodecType.Subtitle,
+                _ => CodecType.Unknown
+            };
+
+            if(type == CodecType.Unknown)
+            {
+                codec = null!;
+                return false;
+            }
+
+            codec = new Codec(name, type);
+
+            codec.DecodingSupported = match.Groups[1].Value != ".";
+            codec.EncodingSupported = match.Groups[2].Value != ".";
+            codec.IsIntraFrameOnly = match.Groups[4].Value != ".";
+            codec.IsLossy = match.Groups[5].Value != ".";
+            codec.IsLossless = match.Groups[6].Value != ".";
+            codec.Description = match.Groups[8].Value;
+
+            return true;
+        }
+        internal static bool TryParseFromEncodersDecoders(string line, out Codec codec, bool isEncoder)
+        {
+            var match = _decodersEncodersFormatRegex.Match(line);
+            if (!match.Success)
+            {
+                codec = null!;
+                return false;
+            }
+
+            var name = match.Groups[7].Value;
+            var type = match.Groups[1].Value switch
+            {
+                "V" => CodecType.Video,
+                "A" => CodecType.Audio,
+                "D" => CodecType.Data,
+                "S" => CodecType.Subtitle,
+                _ => CodecType.Unknown
+            };
+
+            if (type == CodecType.Unknown)
+            {
+                codec = null!;
+                return false;
+            }
+
+            codec = new Codec(name, type);
+
+            var featureLevel = isEncoder ? codec.EncoderFeatureLevel : codec.DecoderFeatureLevel;
+
+            codec.DecodingSupported = !isEncoder;
+            codec.EncodingSupported = isEncoder;
+            featureLevel.SupportsFrameLevelMultithreading = match.Groups[2].Value != "." ? FeatureStatus.Supported : FeatureStatus.NotSupported;
+            featureLevel.SupportsSliceLevelMultithreading = match.Groups[3].Value != "." ? FeatureStatus.Supported : FeatureStatus.NotSupported;
+            featureLevel.IsExperimental = match.Groups[4].Value != ".";
+            featureLevel.SupportsDrawHorizBand = match.Groups[5].Value != "." ? FeatureStatus.Supported : FeatureStatus.NotSupported;
+            featureLevel.SupportsDirectRendering = match.Groups[6].Value != "." ? FeatureStatus.Supported : FeatureStatus.NotSupported;
+            codec.Description = match.Groups[8].Value;
+
+            return true;
+        }
+        internal void Merge(Codec other)
+        {
+            if (Name != other.Name)
+                throw new FFMpegException(FFMpegExceptionType.Operation, "different codecs enable to merge");
+
+            Type |= other.Type;
+            DecodingSupported |= other.DecodingSupported;
+            EncodingSupported |= other.EncodingSupported;
+            IsIntraFrameOnly |= other.IsIntraFrameOnly;
+            IsLossy |= other.IsLossy;
+            IsLossless |= other.IsLossless;
+
+            EncoderFeatureLevel.Merge(other.EncoderFeatureLevel);
+            DecoderFeatureLevel.Merge(other.DecoderFeatureLevel);
+
+            if (Description != other.Description)
+                Description += "\r\n" + other.Description;
+        }
+    }
+}

FFMpegCore/FFMpeg/FFMpeg.cs

@@ -5,7 +5,9 @@
 using System.IO;
 using System.Linq;
 using FFMpegCore.Enums;
+using FFMpegCore.Exceptions;
 using FFMpegCore.Helpers;
+using FFMpegCore.Models;
 
 namespace FFMpegCore
 {
@@ -57,8 +59,8 @@ public static Bitmap Snapshot(MediaAnalysis source, string output, Size? size =
                 .Seek(captureTime)
                 .OutputToFile(output)
                 .ProcessSynchronously();
-                
+
-                
+
             if (!success)
                 throw new OperationCanceledException("Could not take snapshot!");
 
@@ -90,13 +92,13 @@ public static Bitmap Snapshot(MediaAnalysis source, string output, Size? size =
         public static bool Convert(
             MediaAnalysis source,
             string output,
-            VideoType type = VideoType.Mp4,
+            ContainerFormat format,
             Speed speed = Speed.SuperFast,
             VideoSize size = VideoSize.Original,
             AudioQuality audioQuality = AudioQuality.Normal,
             bool multithreaded = false)
         {
-            FFMpegHelper.ExtensionExceptionCheck(output, type.Extension());
+            FFMpegHelper.ExtensionExceptionCheck(output, format.Extension);
             FFMpegHelper.ConversionSizeExceptionCheck(source);
 
             var scale = VideoSize.Original == size ? 1 : (double)source.PrimaryVideoStream.Height / (int)size;
@@ -105,9 +107,9 @@ public static bool Convert(
             if (outputSize.Width % 2 != 0)
                 outputSize.Width += 1;
 
-            return type switch
+            return format.Name switch
             {
-                VideoType.Mp4 => FFMpegArguments
+                "mp4" => FFMpegArguments
                     .FromInputFiles(true, source.Path)
                     .UsingMultithreading(multithreaded)
                     .WithVideoCodec(VideoCodec.LibX264)
@@ -118,7 +120,7 @@ public static bool Convert(
                     .WithAudioBitrate(audioQuality)
                     .OutputToFile(output)
                     .ProcessSynchronously(),
-                VideoType.Ogv => FFMpegArguments
+                "ogv" => FFMpegArguments
                     .FromInputFiles(true, source.Path)
                     .UsingMultithreading(multithreaded)
                     .WithVideoCodec(VideoCodec.LibTheora)
@@ -129,14 +131,14 @@ public static bool Convert(
                     .WithAudioBitrate(audioQuality)
                     .OutputToFile(output)
                     .ProcessSynchronously(),
-                VideoType.Ts => FFMpegArguments
+                "mpegts" => FFMpegArguments
                     .FromInputFiles(true, source.Path)
                     .CopyChannel()
                     .WithBitStreamFilter(Channel.Video, Filter.H264_Mp4ToAnnexB)
-                    .ForceFormat(VideoCodec.MpegTs)
+                    .ForceFormat(VideoType.Ts)
                     .OutputToFile(output)
                     .ProcessSynchronously(),
-                VideoType.WebM => FFMpegArguments
+                "webm" => FFMpegArguments
                     .FromInputFiles(true, source.Path)
                     .UsingMultithreading(multithreaded)
                     .WithVideoCodec(VideoCodec.LibVpx)
@@ -147,7 +149,7 @@ public static bool Convert(
                     .WithAudioBitrate(audioQuality)
                     .OutputToFile(output)
                     .ProcessSynchronously(),
-                _ => throw new ArgumentOutOfRangeException(nameof(type))
+                _ => throw new ArgumentOutOfRangeException(nameof(format))
             };
         }
 
@@ -322,7 +324,180 @@ public static bool ReplaceAudio(string input, string inputAudio, string output,
                 .OutputToFile(output)
                 .ProcessSynchronously();
         }
-        
+
+        #region PixelFormats
+        internal static IReadOnlyList<Models.PixelFormat> GetPixelFormatsInternal()
+        {
+            FFMpegHelper.RootExceptionCheck(FFMpegOptions.Options.RootDirectory);
+
+            var list = new List<Models.PixelFormat>();
+            using var instance = new Instances.Instance(FFMpegOptions.Options.FFmpegBinary, "-pix_fmts");
+            instance.DataReceived += (e, args) =>
+            {
+                if (Models.PixelFormat.TryParse(args.Data, out var fmt))
+                    list.Add(fmt);
+            };
+
+            var exitCode = instance.BlockUntilFinished();
+            if (exitCode != 0) throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", instance.OutputData));
+
+            return list.AsReadOnly();
+        }
+
+        public static IReadOnlyList<Models.PixelFormat> GetPixelFormats()
+        {
+            if (!FFMpegOptions.Options.UseCache)
+                return GetPixelFormatsInternal();
+            return FFMpegCache.PixelFormats.Values.ToList().AsReadOnly();
+        }
+
+        public static bool TryGetPixelFormat(string name, out Models.PixelFormat fmt)
+        {
+            if (!FFMpegOptions.Options.UseCache)
+            {
+                fmt = GetPixelFormatsInternal().FirstOrDefault(x => x.Name == name.ToLowerInvariant().Trim());
+                return fmt != null;
+            }
+            else
+                return FFMpegCache.PixelFormats.TryGetValue(name, out fmt);
+        }
+
+        public static Models.PixelFormat GetPixelFormat(string name)
+        {
+            if (TryGetPixelFormat(name, out var fmt))
+                return fmt;
+            throw new FFMpegException(FFMpegExceptionType.Operation, $"Pixel format \"{name}\" not supported");
+        }
+        #endregion
+
+        #region Codecs
+        internal static void ParsePartOfCodecs(Dictionary<string, Codec> codecs, string arguments, Func<string, Codec?> parser)
+        {
+            FFMpegHelper.RootExceptionCheck(FFMpegOptions.Options.RootDirectory);
+
+            using var instance = new Instances.Instance(FFMpegOptions.Options.FFmpegBinary, arguments);
+            instance.DataReceived += (e, args) =>
+            {
+                var codec = parser(args.Data);
+                if(codec != null)
+                    if (codecs.TryGetValue(codec.Name, out var parentCodec))
+                        parentCodec.Merge(codec);
+                    else
+                        codecs.Add(codec.Name, codec);
+            };
+
+            var exitCode = instance.BlockUntilFinished();
+            if (exitCode != 0) throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", instance.OutputData));
+        }
+
+        internal static Dictionary<string, Codec> GetCodecsInternal()
+        {
+            var res = new Dictionary<string, Codec>();
+            ParsePartOfCodecs(res, "-codecs", (s) =>
+            {
+                if (Codec.TryParseFromCodecs(s, out var codec))
+                    return codec;
+                return null;
+            });
+            ParsePartOfCodecs(res, "-encoders", (s) =>
+            {
+                if (Codec.TryParseFromEncodersDecoders(s, out var codec, true))
+                    return codec;
+                return null;
+            });
+            ParsePartOfCodecs(res, "-decoders", (s) =>
+            {
+                if (Codec.TryParseFromEncodersDecoders(s, out var codec, false))
+                    return codec;
+                return null;
+            });
+
+            return res;
+        }
+
+        public static IReadOnlyList<Codec> GetCodecs()
+        {
+            if (!FFMpegOptions.Options.UseCache)
+                return GetCodecsInternal().Values.ToList().AsReadOnly();
+            return FFMpegCache.Codecs.Values.ToList().AsReadOnly();
+        }
+
+        public static IReadOnlyList<Codec> GetCodecs(CodecType type)
+        {
+            if (!FFMpegOptions.Options.UseCache)
+                return GetCodecsInternal().Values.Where(x => x.Type == type).ToList().AsReadOnly();
+            return FFMpegCache.Codecs.Values.Where(x=>x.Type == type).ToList().AsReadOnly();
+        }
+
+        public static IReadOnlyList<Codec> GetVideoCodecs() => GetCodecs(CodecType.Video);
+        public static IReadOnlyList<Codec> GetAudioCodecs() => GetCodecs(CodecType.Audio);
+        public static IReadOnlyList<Codec> GetSubtitleCodecs() => GetCodecs(CodecType.Subtitle);
+        public static IReadOnlyList<Codec> GetDataCodecs() => GetCodecs(CodecType.Data);
+
+        public static bool TryGetCodec(string name, out Codec codec)
+        {
+            if (!FFMpegOptions.Options.UseCache)
+            {
+                codec = GetCodecsInternal().Values.FirstOrDefault(x => x.Name == name.ToLowerInvariant().Trim());
+                return codec != null;
+            }
+            else
+                return FFMpegCache.Codecs.TryGetValue(name, out codec);
+        }
+
+        public static Codec GetCodec(string name)
+        {
+            if (TryGetCodec(name, out var codec) && codec != null)
+                return codec;
+            throw new FFMpegException(FFMpegExceptionType.Operation, $"Codec \"{name}\" not supported");
+        }
+        #endregion
+
+        #region ContainerFormats
+        internal static IReadOnlyList<ContainerFormat> GetContainersFormatsInternal()
+        {
+            FFMpegHelper.RootExceptionCheck(FFMpegOptions.Options.RootDirectory);
+
+            var list = new List<ContainerFormat>();
+            using var instance = new Instances.Instance(FFMpegOptions.Options.FFmpegBinary, "-formats");
+            instance.DataReceived += (e, args) =>
+            {
+                if (ContainerFormat.TryParse(args.Data, out var fmt))
+                    list.Add(fmt);
+            };
+
+            var exitCode = instance.BlockUntilFinished();
+            if (exitCode != 0) throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", instance.OutputData));
+
+            return list.AsReadOnly();
+        }
+
+        public static IReadOnlyList<ContainerFormat> GetContainerFormats()
+        {
+            if (!FFMpegOptions.Options.UseCache)
+                return GetContainersFormatsInternal();
+            return FFMpegCache.ContainerFormats.Values.ToList().AsReadOnly();
+        }
+
+        public static bool TryGetContainerFormat(string name, out ContainerFormat fmt)
+        {
+            if (!FFMpegOptions.Options.UseCache)
+            {
+                fmt = GetContainersFormatsInternal().FirstOrDefault(x => x.Name == name.ToLowerInvariant().Trim());
+                return fmt != null;
+            }
+            else
+                return FFMpegCache.ContainerFormats.TryGetValue(name, out fmt);
+        }
+
+        public static ContainerFormat GetContinerFormat(string name)
+        {
+            if (TryGetContainerFormat(name, out var fmt))
+                return fmt;
+            throw new FFMpegException(FFMpegExceptionType.Operation, $"Container format \"{name}\" not supported");
+        }
+        #endregion
+
         private static void Cleanup(IEnumerable<string> pathList)
         {
             foreach (var path in pathList)

FFMpegCore/FFMpeg/FFMpegArguments.cs

@@ -7,6 +7,7 @@
 using System.Threading.Tasks;
 using FFMpegCore.Arguments;
 using FFMpegCore.Enums;
+using FFMpegCore.Models;
 using FFMpegCore.Pipes;
 
 namespace FFMpegCore
@@ -35,7 +36,8 @@ private FFMpegArguments(IInputArgument inputArgument)
         public static FFMpegArguments FromPipe(IPipeDataWriter writer) => new FFMpegArguments(new InputPipeArgument(writer));
 
         
-        public FFMpegArguments WithAudioCodec(AudioCodec audioCodec) => WithArgument(new AudioCodecArgument(audioCodec));
+        public FFMpegArguments WithAudioCodec(Codec audioCodec) => WithArgument(new AudioCodecArgument(audioCodec));
+        public FFMpegArguments WithAudioCodec(string audioCodec) => WithArgument(new AudioCodecArgument(audioCodec));
         public FFMpegArguments WithAudioBitrate(AudioQuality audioQuality) => WithArgument(new AudioBitrateArgument(audioQuality));
         public FFMpegArguments WithAudioBitrate(int bitrate) => WithArgument(new AudioBitrateArgument(bitrate));
         public FFMpegArguments WithAudioSamplingRate(int samplingRate = 48000) => WithArgument(new AudioSamplingRateArgument(samplingRate));
@@ -61,7 +63,7 @@ private FFMpegArguments(IInputArgument inputArgument)
         public FFMpegArguments UsingMultithreading(bool multithread) => WithArgument(new ThreadsArgument(multithread));
         public FFMpegArguments UsingThreads(int threads) => WithArgument(new ThreadsArgument(threads));
         
-        public FFMpegArguments WithVideoCodec(VideoCodec videoCodec) => WithArgument(new VideoCodecArgument(videoCodec));
+        public FFMpegArguments WithVideoCodec(Codec videoCodec) => WithArgument(new VideoCodecArgument(videoCodec));
         public FFMpegArguments WithVideoCodec(string videoCodec) => WithArgument(new VideoCodecArgument(videoCodec));
         public FFMpegArguments WithVideoBitrate(int bitrate) => WithArgument(new VideoBitrateArgument(bitrate));
         public FFMpegArguments WithFramerate(double framerate) => WithArgument(new FrameRateArgument(framerate));
@@ -77,8 +79,11 @@ private FFMpegArguments(IInputArgument inputArgument)
         public FFMpegArguments OverwriteExisting() => WithArgument(new OverwriteArgument());
         public FFMpegArguments WithVerbosityLevel(VerbosityLevel verbosityLevel = VerbosityLevel.Error) => WithArgument(new VerbosityLevelArgument(verbosityLevel));
 
-        public FFMpegArguments ForceFormat(VideoCodec videoCodec) => WithArgument(new ForceFormatArgument(videoCodec));
+        public FFMpegArguments ForceFormat(ContainerFormat format) => WithArgument(new ForceFormatArgument(format));
-        public FFMpegArguments ForceFormat(string videoCodec) => WithArgument(new ForceFormatArgument(videoCodec));
+        public FFMpegArguments ForceFormat(string format) => WithArgument(new ForceFormatArgument(format));
+        public FFMpegArguments ForcePixelFormat(string pixelFormat) => WithArgument(new ForcePixelFormat(pixelFormat));
+        public FFMpegArguments ForcePixelFormat(PixelFormat pixelFormat) => WithArgument(new ForcePixelFormat(pixelFormat));
+
         public FFMpegArguments DrawText(DrawTextOptions drawTextOptions) => WithArgument(new DrawTextArgument(drawTextOptions));
 
         public FFMpegArgumentProcessor OutputToFile(string file, bool overwrite = false) => ToProcessor(new OutputArgument(file, overwrite));

FFMpegCore/FFMpeg/FFMpegCache.cs

@@ -0,0 +1,57 @@
+using FFMpegCore.Enums;
+using FFMpegCore.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace FFMpegCore
+{
+    static class FFMpegCache
+    {
+        private static readonly object _syncObject = new object();
+        private static Dictionary<string, PixelFormat>? _pixelFormats;
+        private static Dictionary<string, Codec>? _codecs;
+        private static Dictionary<string, ContainerFormat>? _containers;
+
+        public static IReadOnlyDictionary<string, PixelFormat> PixelFormats
+        {
+            get
+            {
+                if (_pixelFormats == null) //First check not thread safe
+                    lock (_syncObject)
+                        if (_pixelFormats == null)//Second check thread safe
+                            _pixelFormats = FFMpeg.GetPixelFormatsInternal().ToDictionary(x => x.Name);
+
+                return _pixelFormats;
+            }
+
+        }
+        public static IReadOnlyDictionary<string, Codec> Codecs
+        {
+            get
+            {
+                if (_codecs == null) //First check not thread safe
+                    lock (_syncObject)
+                        if (_codecs == null)//Second check thread safe
+                            _codecs = FFMpeg.GetCodecsInternal();
+
+                return _codecs;
+            }
+
+        }
+        public static IReadOnlyDictionary<string, ContainerFormat> ContainerFormats
+        {
+            get
+            {
+                if (_containers == null) //First check not thread safe
+                    lock (_syncObject)
+                        if (_containers == null)//Second check thread safe
+                            _containers = FFMpeg.GetContainersFormatsInternal().ToDictionary(x => x.Name);
+
+                return _containers;
+            }
+
+        }
+    }
+}

FFMpegCore/FFMpeg/FFMpegOptions.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Runtime.InteropServices;
 using System.Text.Json;
@@ -9,6 +10,10 @@ public class FFMpegOptions
     {
         private static readonly string ConfigFile = Path.Combine(".", "ffmpeg.config.json");
         private static readonly string DefaultRoot = Path.Combine(".", "FFMPEG", "bin");
+        private static readonly Dictionary<string, string> DefaultExtensionsOverrides = new Dictionary<string, string>
+        {
+            { "mpegts", ".ts" },
+        };
 
         public static FFMpegOptions Options { get; private set; } = new FFMpegOptions();
 
@@ -25,7 +30,11 @@ public static void Configure(FFMpegOptions options)
         static FFMpegOptions()
         {
             if (File.Exists(ConfigFile))
+            {
                 Options = JsonSerializer.Deserialize<FFMpegOptions>(File.ReadAllText(ConfigFile));
+                foreach (var kv in DefaultExtensionsOverrides)
+                    if (!Options.ExtensionOverrides.ContainsKey(kv.Key)) Options.ExtensionOverrides.Add(kv.Key, kv.Value);
+            }
         }
 
         public string RootDirectory { get; set; } = DefaultRoot;
@@ -34,6 +43,10 @@ static FFMpegOptions()
 
         public string FFProbeBinary => FFBinary("FFProbe");
 
+        public Dictionary<string, string> ExtensionOverrides { get; private set; } = new Dictionary<string, string>();
+
+        public bool UseCache { get; set; } = true;
+
         private static string FFBinary(string name)
         {
             var ffName = name.ToLowerInvariant();

FFMpegCore/FFMpegCore.csproj

@@ -32,4 +32,9 @@
     <PackageReference Include="System.Text.Json" Version="4.7.1" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="Enums\" />
+    <Folder Include="FFMpeg\Models\" />
+  </ItemGroup>
+
 </Project>

FFMpegCore/FFProbe/MediaStream.cs

@@ -1,4 +1,5 @@
-using System;
+using FFMpegCore.Enums;
+using System;
 
 namespace FFMpegCore
 {
@@ -9,5 +10,7 @@ public class MediaStream
         public string CodecLongName { get; internal set; } = null!;
         public int BitRate { get; internal set; }
         public TimeSpan Duration { get; internal set; }
+
+        public Codec GetCodecInfo() => FFMpeg.GetCodec(CodecName);
     }
 }

FFMpegCore/FFProbe/VideoStream.cs

@@ -1,4 +1,6 @@
-namespace FFMpegCore
+using FFMpegCore.Models;
+
+namespace FFMpegCore
 {
     public class VideoStream : MediaStream
     {
@@ -10,5 +12,7 @@ public class VideoStream : MediaStream
         public int Height { get; internal set; }
         public double FrameRate { get; internal set; }
         public string PixelFormat { get; internal set; } = null!;
+
+        public PixelFormat GetPixelFormatInfo() => FFMpeg.GetPixelFormat(PixelFormat);
     }
 }