Merge pull request #273 from rosenbjerg/master

V.4.6.0

Former-commit-id: c618bcb1eb

FFMpegCore.Test/ArgumentBuilderTest.cs

@@ -341,7 +341,22 @@ public void Builder_BuildString_SubtitleHardBurnFilter()
                                 .WithParameter("PrimaryColour", "&HAA00FF00")))))
                 .Arguments;
 
-            Assert.AreEqual("-i \"input.mp4\" -vf \"subtitles=sample.srt:charenc=UTF-8:original_size=1366x768:stream_index=0:force_style='FontName=DejaVu Serif\\,PrimaryColour=&HAA00FF00'\" \"output.mp4\"",
+            Assert.AreEqual("-i \"input.mp4\" -vf \"subtitles='sample.srt':charenc=UTF-8:original_size=1366x768:stream_index=0:force_style='FontName=DejaVu Serif\\,PrimaryColour=&HAA00FF00'\" \"output.mp4\"",
+                str);
+        }
+
+        [TestMethod]
+        public void Builder_BuildString_SubtitleHardBurnFilterFixedPaths()
+        {
+            var str = FFMpegArguments
+                .FromFileInput("input.mp4")
+                .OutputToFile("output.mp4", false, opt => opt
+                    .WithVideoFilters(filterOptions => filterOptions
+                        .HardBurnSubtitle(SubtitleHardBurnOptions
+                            .Create(subtitlePath: @"sample( \ : [ ] , ' ).srt"))))
+                .Arguments;
+
+            Assert.AreEqual(@"-i ""input.mp4"" -vf ""subtitles='sample( \\ \: \[ \] \, '\\\'' ).srt'"" ""output.mp4""",
                 str);
         }
 
@@ -414,5 +429,60 @@ public void Builder_BuildString_ForcePixelFormat()
                 .OutputToFile("output.mp4", false, opt => opt.ForcePixelFormat("yuv444p")).Arguments;
             Assert.AreEqual("-i \"input.mp4\" -pix_fmt yuv444p \"output.mp4\"", str);
         }
+
+        [TestMethod]
+        public void Builder_BuildString_PanAudioFilterChannelNumber()
+        {
+            var str = FFMpegArguments.FromFileInput("input.mp4")
+                .OutputToFile("output.mp4", false,
+                    opt => opt.WithAudioFilters(filterOptions => filterOptions.Pan(2, "c0=c1", "c1=c1")))
+                .Arguments;
+
+            Assert.AreEqual("-i \"input.mp4\" -af \"pan=2c|c0=c1|c1=c1\" \"output.mp4\"", str);
+        }
+
+        [TestMethod]
+        public void Builder_BuildString_PanAudioFilterChannelLayout()
+        {
+            var str = FFMpegArguments.FromFileInput("input.mp4")
+                .OutputToFile("output.mp4", false,
+                    opt => opt.WithAudioFilters(filterOptions => filterOptions.Pan("stereo", "c0=c0", "c1=c1")))
+                .Arguments;
+
+            Assert.AreEqual("-i \"input.mp4\" -af \"pan=stereo|c0=c0|c1=c1\" \"output.mp4\"", str);
+        }
+
+        [TestMethod]
+        public void Builder_BuildString_PanAudioFilterChannelNoOutputDefinition()
+        {
+            var str = FFMpegArguments.FromFileInput("input.mp4")
+                .OutputToFile("output.mp4", false,
+                    opt => opt.WithAudioFilters(filterOptions => filterOptions.Pan("stereo")))
+                .Arguments;
+
+            Assert.AreEqual("-i \"input.mp4\" -af \"pan=stereo\" \"output.mp4\"", str);
+        }
+
+        [TestMethod]
+        public void Builder_BuildString_DynamicAudioNormalizerDefaultFormat()
+        {
+            var str = FFMpegArguments.FromFileInput("input.mp4")
+                .OutputToFile("output.mp4", false,
+                    opt => opt.WithAudioFilters(filterOptions => filterOptions.DynamicNormalizer()))
+                .Arguments;
+
+            Assert.AreEqual("-i \"input.mp4\" -af \"dynaudnorm=f=500:g=31:p=0.95:m=10.0:r=0.0:n=1:c=0:b=0:s=0.0\" \"output.mp4\"", str);
+        }
+
+        [TestMethod]
+        public void Builder_BuildString_DynamicAudioNormalizerWithValuesFormat()
+        {
+            var str = FFMpegArguments.FromFileInput("input.mp4")
+                .OutputToFile("output.mp4", false,
+                    opt => opt.WithAudioFilters(filterOptions => filterOptions.DynamicNormalizer(125, 13, 0.9215, 5.124, 0.5458,false,true,true, 0.3333333)))
+                .Arguments;
+
+            Assert.AreEqual("-i \"input.mp4\" -af \"dynaudnorm=f=125:g=13:p=0.92:m=5.1:r=0.5:n=0:c=1:b=1:s=0.3\" \"output.mp4\"", str);
+        }
     }
 }

FFMpegCore.Test/AudioTest.cs

@@ -1,5 +1,6 @@
 using FFMpegCore.Enums;
 using FFMpegCore.Exceptions;
+using FFMpegCore.Extend;
 using FFMpegCore.Pipes;
 using FFMpegCore.Test.Resources;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
@@ -8,7 +9,6 @@
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
-using FFMpegCore.Extend;
 
 namespace FFMpegCore.Test
 {
@@ -223,5 +223,111 @@ public void Audio_ToAAC_Args_Pipe_InvalidSampleRate()
                     .WithAudioCodec(AudioCodec.Aac))
                 .ProcessSynchronously());
         }
+
+        [TestMethod, Timeout(10000)]
+        public void Audio_Pan_ToMono()
+        {
+            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
+
+            var success = FFMpegArguments.FromFileInput(TestResources.Mp3Audio)
+                .OutputToFile(outputFile, true,
+                    argumentOptions => argumentOptions
+                        .WithAudioFilters(filter => filter.Pan(1, "c0 < 0.9 * c0 + 0.1 * c1")))
+                .ProcessSynchronously();
+
+            var mediaAnalysis = FFProbe.Analyse(outputFile);
+
+            Assert.IsTrue(success);
+            Assert.AreEqual(1, mediaAnalysis.AudioStreams.Count);
+            Assert.AreEqual("mono", mediaAnalysis.PrimaryAudioStream.ChannelLayout);
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Audio_Pan_ToMonoNoDefinitions()
+        {
+            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
+
+            var success = FFMpegArguments.FromFileInput(TestResources.Mp3Audio)
+                .OutputToFile(outputFile, true,
+                    argumentOptions => argumentOptions
+                        .WithAudioFilters(filter => filter.Pan(1)))
+                .ProcessSynchronously();
+
+            var mediaAnalysis = FFProbe.Analyse(outputFile);
+
+            Assert.IsTrue(success);
+            Assert.AreEqual(1, mediaAnalysis.AudioStreams.Count);
+            Assert.AreEqual("mono", mediaAnalysis.PrimaryAudioStream.ChannelLayout);
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Audio_Pan_ToMonoChannelsToOutputDefinitionsMismatch()
+        {
+            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
+
+            var ex = Assert.ThrowsException<ArgumentException>(() => FFMpegArguments.FromFileInput(TestResources.Mp3Audio)
+                .OutputToFile(outputFile, true,
+                    argumentOptions => argumentOptions
+                        .WithAudioFilters(filter => filter.Pan(1, "c0=c0", "c1=c1")))
+                .ProcessSynchronously());
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Audio_Pan_ToMonoChannelsLayoutToOutputDefinitionsMismatch()
+        {
+            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
+
+            var ex = Assert.ThrowsException<FFMpegException>(() => FFMpegArguments.FromFileInput(TestResources.Mp3Audio)
+                .OutputToFile(outputFile, true,
+                    argumentOptions => argumentOptions
+                        .WithAudioFilters(filter => filter.Pan("mono", "c0=c0", "c1=c1")))
+                .ProcessSynchronously());
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Audio_DynamicNormalizer_WithDefaultValues()
+        {
+            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
+
+            var success = FFMpegArguments.FromFileInput(TestResources.Mp3Audio)
+                .OutputToFile(outputFile, true,
+                    argumentOptions => argumentOptions
+                        .WithAudioFilters(filter => filter.DynamicNormalizer()))
+                .ProcessSynchronously();
+
+            Assert.IsTrue(success);
+        }
+
+        [TestMethod, Timeout(10000)]
+        public void Audio_DynamicNormalizer_WithNonDefaultValues()
+        {
+            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
+
+            var success = FFMpegArguments.FromFileInput(TestResources.Mp3Audio)
+                .OutputToFile(outputFile, true,
+                    argumentOptions => argumentOptions
+                        .WithAudioFilters(
+                            filter => filter.DynamicNormalizer(250, 7, 0.9, 2, 1, false, true, true, 0.5)))
+                .ProcessSynchronously();
+
+            Assert.IsTrue(success);
+        }
+
+        [DataTestMethod, Timeout(10000)]
+        [DataRow(2)]
+        [DataRow(32)]
+        [DataRow(8)]
+        public void Audio_DynamicNormalizer_FilterWindow(int filterWindow)
+        {
+            using var outputFile = new TemporaryFile($"out{VideoType.Mp4.Extension}");
+
+            var ex = Assert.ThrowsException<ArgumentOutOfRangeException>(() => FFMpegArguments
+                .FromFileInput(TestResources.Mp3Audio)
+                .OutputToFile(outputFile, true,
+                    argumentOptions => argumentOptions
+                        .WithAudioFilters(
+                            filter => filter.DynamicNormalizer(filterWindow: filterWindow)))
+                .ProcessSynchronously());
+        }
     }
 }

FFMpegCore.Test/FFMpegCore.Test.csproj

@@ -40,9 +40,9 @@
 
   <ItemGroup>
     <PackageReference Include="GitHubActionsTestLogger" Version="1.2.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.7" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.7" />
   </ItemGroup>
 
   <ItemGroup>

FFMpegCore.Test/FFProbeTests.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Linq;
 using System.Threading.Tasks;
 using FFMpegCore.Test.Resources;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
@@ -25,6 +26,30 @@ public async Task Audio_FromStream_Duration()
             Assert.IsTrue(fileAnalysis.Duration == streamAnalysis.Duration);
         }
 
+        [TestMethod]
+        public void FrameAnalysis_Sync()
+        {
+            var frameAnalysis = FFProbe.GetFrames(TestResources.WebmVideo);
+            
+            Assert.AreEqual(90, frameAnalysis.Frames.Count);
+            Assert.IsTrue(frameAnalysis.Frames.All(f => f.PixelFormat == "yuv420p"));
+            Assert.IsTrue(frameAnalysis.Frames.All(f => f.Height == 360));
+            Assert.IsTrue(frameAnalysis.Frames.All(f => f.Width == 640));
+            Assert.IsTrue(frameAnalysis.Frames.All(f => f.MediaType == "video"));
+        }
+
+        [TestMethod]
+        public async Task FrameAnalysis_Async()
+        {
+            var frameAnalysis = await FFProbe.GetFramesAsync(TestResources.WebmVideo);
+            
+            Assert.AreEqual(90, frameAnalysis.Frames.Count);
+            Assert.IsTrue(frameAnalysis.Frames.All(f => f.PixelFormat == "yuv420p"));
+            Assert.IsTrue(frameAnalysis.Frames.All(f => f.Height == 360));
+            Assert.IsTrue(frameAnalysis.Frames.All(f => f.Width == 640));
+            Assert.IsTrue(frameAnalysis.Frames.All(f => f.MediaType == "video"));
+        }
+
         [DataTestMethod]
         [DataRow("0:00:03.008000", 0, 0, 0, 3, 8)]
         [DataRow("05:12:59.177", 0, 5, 12, 59, 177)]
@@ -114,5 +139,15 @@ public async Task Probe_Success_Subtitle_Async()
             Assert.AreEqual(0, info.AudioStreams.Count);
             Assert.AreEqual(0, info.VideoStreams.Count);
         }
+
+        [TestMethod, Timeout(10000)]
+        public async Task Probe_Success_Disposition_Async()
+        {
+            var info = await FFProbe.AnalyseAsync(TestResources.Mp4Video);
+            Assert.IsNotNull(info.PrimaryAudioStream);
+            Assert.IsNotNull(info.PrimaryAudioStream.Disposition);
+            Assert.AreEqual(true, info.PrimaryAudioStream.Disposition["default"]);
+            Assert.AreEqual(false, info.PrimaryAudioStream.Disposition["forced"]);
+        }
     }
 }

FFMpegCore/Extend/BitmapVideoFrameWrapper.cs

@@ -49,7 +49,7 @@ public async Task SerializeAsync(Stream stream, CancellationToken token)
             {
                 var buffer = new byte[data.Stride * data.Height];
                 Marshal.Copy(data.Scan0, buffer, 0, buffer.Length);
-                await stream.WriteAsync(buffer, 0, buffer.Length, token);
+                await stream.WriteAsync(buffer, 0, buffer.Length, token).ConfigureAwait(false);
             }
             finally
             {

FFMpegCore/Extend/KeyValuePairExtensions.cs

@@ -16,7 +16,7 @@ internal static class KeyValuePairExtensions
         public static string FormatArgumentPair(this KeyValuePair<string, string> pair, bool enclose)
         {
             var key = pair.Key;
-            var value = enclose ? pair.Value.EncloseIfContainsSpace() : pair.Value;
+            var value = enclose ? StringExtensions.EncloseIfContainsSpace(pair.Value) : pair.Value;
 
             return $"{key}={value}";
         }

FFMpegCore/Extend/PcmAudioSampleWrapper.cs

@@ -24,7 +24,7 @@ public void Serialize(Stream stream)
 
         public async Task SerializeAsync(Stream stream, CancellationToken token)
         {
-            await stream.WriteAsync(_sample, 0, _sample.Length, token);
+            await stream.WriteAsync(_sample, 0, _sample.Length, token).ConfigureAwait(false);
         }
     }
 }

FFMpegCore/Extend/StringExtensions.cs

@@ -1,15 +1,70 @@
-namespace FFMpegCore.Extend
+using System.Collections.Generic;
+using System.Text;
+
+namespace FFMpegCore.Extend
 {
     internal static class StringExtensions
     {
+        private static Dictionary<char, string> CharactersSubstitution { get; } = new Dictionary<char, string>
+        {
+            { '\\', @"\\" },
+            { ':', @"\:" },
+            { '[', @"\[" },
+            { ']', @"\]" },
+            { '\'', @"'\\\''" }
+        };
+
         /// <summary>
         ///     Enclose string between quotes if contains an space character
         /// </summary>
         /// <param name="input">The input</param>
         /// <returns>The enclosed string</returns>
-        public static string EncloseIfContainsSpace(this string input)
+        public static string EncloseIfContainsSpace(string input)
         {
             return input.Contains(" ") ? $"'{input}'" : input;
         }
+
+        /// <summary>
+        /// Enclose an string in quotes
+        /// </summary>
+        /// <param name="input"></param>
+        /// <returns></returns>
+        public static string EncloseInQuotes(string input)
+        {
+            return $"'{input}'";
+        }
+
+        /// <summary>
+        ///     Scape several characters in subtitle path used by FFmpeg
+        /// </summary>
+        /// <remarks>
+        ///     This is needed because internally FFmpeg use Libav Filters
+        ///     and the info send to it must be in an specific format
+        /// </remarks>
+        /// <param name="source"></param>
+        /// <returns>Scaped path</returns>
+        public static string ToFFmpegLibavfilterPath(string source)
+        {
+            return source.Replace(CharactersSubstitution);
+        }
+
+        public static string Replace(this string str, Dictionary<char, string> replaceList)
+        {
+            var parsedString = new StringBuilder();
+
+            foreach (var l in str)
+            {
+                if (replaceList.ContainsKey(l))
+                {
+                    parsedString.Append(replaceList[l]);
+                }
+                else
+                {
+                    parsedString.Append(l);
+                }
+            }
+
+            return parsedString.ToString();
+        }
     }
 }

FFMpegCore/FFMpeg/Arguments/AudioFiltersArgument.cs

@@ -0,0 +1,60 @@
+using System.Collections.Generic;
+using System.Linq;
+using FFMpegCore.Exceptions;
+
+namespace FFMpegCore.Arguments
+{
+    public class AudioFiltersArgument : IArgument
+    {
+        public readonly AudioFilterOptions Options;
+
+        public AudioFiltersArgument(AudioFilterOptions options)
+        {
+            Options = options;
+        }
+
+        public string Text => GetText();
+
+        private string GetText()
+        {
+            if (!Options.Arguments.Any())
+                throw new FFMpegArgumentException("No audio-filter arguments provided");
+
+            var arguments = Options.Arguments
+                .Where(arg => !string.IsNullOrEmpty(arg.Value))
+                .Select(arg =>
+                {
+                    var escapedValue = arg.Value.Replace(",", "\\,");
+                    return string.IsNullOrEmpty(arg.Key) ? escapedValue : $"{arg.Key}={escapedValue}";
+                });
+
+            return $"-af \"{string.Join(", ", arguments)}\"";
+        }
+    }
+
+    public interface IAudioFilterArgument
+    {
+        public string Key { get; }
+        public string Value { get; }
+    }
+
+    public class AudioFilterOptions
+    {
+        public List<IAudioFilterArgument> Arguments { get; } = new List<IAudioFilterArgument>();
+
+        public AudioFilterOptions Pan(string channelLayout, params string[] outputDefinitions) => WithArgument(new PanArgument(channelLayout, outputDefinitions));
+        public AudioFilterOptions Pan(int channels, params string[] outputDefinitions) => WithArgument(new PanArgument(channels, outputDefinitions));
+        public AudioFilterOptions DynamicNormalizer(int frameLength = 500, int filterWindow = 31, double targetPeak = 0.95,
+            double gainFactor = 10.0, double targetRms = 0.0, bool channelCoupling = true,
+            bool enableDcBiasCorrection = false, bool enableAlternativeBoundary = false,
+            double compressorFactor = 0.0) => WithArgument(new DynamicNormalizerArgument(frameLength, filterWindow,
+            targetPeak, gainFactor, targetRms, channelCoupling, enableDcBiasCorrection, enableAlternativeBoundary,
+            compressorFactor));
+
+        private AudioFilterOptions WithArgument(IAudioFilterArgument argument)
+        {
+            Arguments.Add(argument);
+            return this;
+        }
+    }
+}

FFMpegCore/FFMpeg/Arguments/DynamicNormalizerArgument.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+
+namespace FFMpegCore.Arguments
+{
+    public class DynamicNormalizerArgument : IAudioFilterArgument
+    {
+        private readonly Dictionary<string, string> _arguments = new Dictionary<string, string>();
+
+        /// <summary>
+        ///     Dynamic Audio Normalizer. <see href="https://ffmpeg.org/ffmpeg-filters.html#dynaudnorm"/>
+        /// </summary>
+        /// <param name="frameLength">Set the frame length in milliseconds. Must be between 10 to 8000. The default value is 500</param>
+        /// <param name="filterWindow">Set the Gaussian filter window size. In range from 3 to 301, must be odd number. The default value is 31</param>
+        /// <param name="targetPeak">Set the target peak value. The default value is 0.95</param>
+        /// <param name="gainFactor">Set the maximum gain factor. In range from 1.0 to 100.0. Default is 10.0.</param>
+        /// <param name="targetRms">Set the target RMS. In range from 0.0 to 1.0. Default to 0.0 (disabled)</param>
+        /// <param name="channelCoupling">Enable channels coupling. By default is enabled.</param>
+        /// <param name="enableDcBiasCorrection">Enable DC bias correction. By default is disabled.</param>
+        /// <param name="enableAlternativeBoundary">Enable alternative boundary mode. By default is disabled.</param>
+        /// <param name="compressorFactor">Set the compress factor. In range from 0.0 to 30.0. Default is 0.0 (disabled).</param>
+        public DynamicNormalizerArgument(int frameLength = 500, int filterWindow = 31, double targetPeak = 0.95, double gainFactor = 10.0, double targetRms = 0.0, bool channelCoupling = true, bool enableDcBiasCorrection = false, bool enableAlternativeBoundary = false, double compressorFactor = 0.0)
+        {
+            if (frameLength < 10 || frameLength > 8000) throw new ArgumentOutOfRangeException(nameof(frameLength),"Frame length must be between 10 to 8000");
+            if (filterWindow < 3 || filterWindow > 31) throw new ArgumentOutOfRangeException(nameof(filterWindow), "Gaussian filter window size must be between 3 to 31");
+            if (filterWindow % 2 == 0) throw new ArgumentOutOfRangeException(nameof(filterWindow), "Gaussian filter window size must be an odd number");
+            if (targetPeak <= 0 || targetPeak > 1) throw new ArgumentOutOfRangeException(nameof(targetPeak));
+            if (gainFactor < 1 || gainFactor > 100) throw new ArgumentOutOfRangeException(nameof(gainFactor), "Gain factor must be between 1.0 to 100.0");
+            if (targetRms < 0 || targetRms > 1) throw new ArgumentOutOfRangeException(nameof(targetRms), "Target RMS must be between 0.0 and 1.0");
+            if (compressorFactor < 0 || compressorFactor > 30) throw new ArgumentOutOfRangeException(nameof(compressorFactor), "Compressor factor must be between 0.0 and 30.0");
+
+            _arguments.Add("f", frameLength.ToString());
+            _arguments.Add("g", filterWindow.ToString());
+            _arguments.Add("p", targetPeak.ToString("0.00", CultureInfo.InvariantCulture));
+            _arguments.Add("m", gainFactor.ToString("0.0", CultureInfo.InvariantCulture));
+            _arguments.Add("r", targetRms.ToString("0.0", CultureInfo.InvariantCulture));
+            _arguments.Add("n", (channelCoupling ? 1 : 0).ToString());
+            _arguments.Add("c", (enableDcBiasCorrection ? 1 : 0).ToString());
+            _arguments.Add("b", (enableAlternativeBoundary ? 1 : 0).ToString());
+            _arguments.Add("s", compressorFactor.ToString("0.0", CultureInfo.InvariantCulture));
+        }
+
+        public string Key { get; } = "dynaudnorm";
+
+        public string Value => string.Join(":", _arguments.Select(pair => $"{pair.Key}={pair.Value}"));
+    }
+}

FFMpegCore/FFMpeg/Arguments/PanArgument.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Linq;
+
+namespace FFMpegCore.Arguments
+{
+    /// <summary>
+    ///     Mix channels with specific gain levels.
+    /// </summary>
+    public class PanArgument : IAudioFilterArgument
+    {
+        public readonly string ChannelLayout;
+        private readonly string[] _outputDefinitions;
+
+        /// <summary>
+        ///     Mix channels with specific gain levels <see href="https://ffmpeg.org/ffmpeg-filters.html#toc-pan-1"/>
+        /// </summary>
+        /// <param name="channelLayout">
+        ///     Represent the output channel layout. Like "stereo", "mono", "2.1", "5.1"
+        /// </param>
+        /// <param name="outputDefinitions">
+        ///     Output channel specification, of the form: "out_name=[gain*]in_name[(+-)[gain*]in_name...]"
+        /// </param>
+        public PanArgument(string channelLayout, params string[] outputDefinitions)
+        {
+            if (string.IsNullOrWhiteSpace(channelLayout))
+            {
+                throw new ArgumentException("The channel layout must be set" ,nameof(channelLayout));
+            }
+
+            ChannelLayout = channelLayout;
+            
+            _outputDefinitions = outputDefinitions;
+        }
+
+        /// <summary>
+        ///     Mix channels with specific gain levels <see href="https://ffmpeg.org/ffmpeg-filters.html#toc-pan-1"/>
+        /// </summary>
+        /// <param name="channels">Number of channels in output file</param>
+        /// <param name="outputDefinitions">
+        ///     Output channel specification, of the form: "out_name=[gain*]in_name[(+-)[gain*]in_name...]"
+        /// </param>
+        public PanArgument(int channels, params string[] outputDefinitions)
+        {
+            if (channels <= 0) throw new ArgumentOutOfRangeException(nameof(channels));
+            
+            if (outputDefinitions.Length > channels)
+                throw new ArgumentException("The number of output definitions must be equal or lower than number of channels", nameof(outputDefinitions));
+            
+            ChannelLayout = $"{channels}c";
+
+            _outputDefinitions = outputDefinitions;
+        }
+
+        public string Key { get; } = "pan";
+
+        public string Value =>
+            string.Join("|", Enumerable.Empty<string>().Append(ChannelLayout).Concat(_outputDefinitions));
+    }
+}

FFMpegCore/FFMpeg/Arguments/PipeArgument.cs

@@ -40,7 +40,7 @@ public async Task During(CancellationToken cancellationToken = default)
         {
             try
             {
-                await ProcessDataAsync(cancellationToken);           
+                await ProcessDataAsync(cancellationToken).ConfigureAwait(false);           
             }
             catch (TaskCanceledException)
             {

FFMpegCore/FFMpeg/Arguments/SubtitleHardBurnArgument.cs

@@ -103,7 +103,9 @@ public SubtitleHardBurnOptions WithParameter(string key, string value)
             return this;
         }
 
-        internal string TextInternal => string.Join(":", new[] { _subtitle.EncloseIfContainsSpace() }.Concat(Parameters.Select(parameter => parameter.FormatArgumentPair(enclose: true))));
+        internal string TextInternal => string
+            .Join(":", new[] { StringExtensions.EncloseInQuotes(StringExtensions.ToFFmpegLibavfilterPath(_subtitle)) }
+            .Concat(Parameters.Select(parameter => parameter.FormatArgumentPair(enclose: true))));
     }
 
     public class StyleOptions

FFMpegCore/FFMpeg/FFMpeg.cs

@@ -50,7 +50,7 @@ public static async Task<bool> SnapshotAsync(string input, string output, Size?
             if (Path.GetExtension(output) != FileExtension.Png)
                 output = Path.GetFileNameWithoutExtension(output) + FileExtension.Png;
 
-            var source = await FFProbe.AnalyseAsync(input);
+            var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
             var (arguments, outputOptions) = BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
 
             return await arguments
@@ -93,7 +93,7 @@ public static Bitmap Snapshot(string input, Size? size = null, TimeSpan? capture
         /// <returns>Bitmap with the requested snapshot.</returns>
         public static async Task<Bitmap> SnapshotAsync(string input, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null, int inputFileIndex = 0)
         {
-            var source = await FFProbe.AnalyseAsync(input);
+            var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
             var (arguments, outputOptions) = BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
             using var ms = new MemoryStream();
 
@@ -116,7 +116,9 @@ private static (FFMpegArguments, Action<FFMpegArgumentOptions> outputOptions) Bu
         {
             captureTime ??= TimeSpan.FromSeconds(source.Duration.TotalSeconds / 3);
             size = PrepareSnapshotSize(source, size);
-            streamIndex = streamIndex == null ? 0 : source.VideoStreams.FirstOrDefault(videoStream => videoStream.Index == streamIndex).Index;
+            streamIndex ??= source.PrimaryVideoStream?.Index
+                            ?? source.VideoStreams.FirstOrDefault()?.Index
+                            ?? 0;
 
             return (FFMpegArguments
                 .FromFileInput(input, false, options => options
@@ -301,12 +303,13 @@ public static bool Join(string output, params string[] videos)
         public static bool JoinImageSequence(string output, double frameRate = 30, params ImageInfo[] images)
         {
             var tempFolderName = Path.Combine(GlobalFFOptions.Current.TemporaryFilesFolder, Guid.NewGuid().ToString());
-            var temporaryImageFiles = images.Select((image, index) =>
+            var temporaryImageFiles = images.Select((imageInfo, index) =>
             {
-                FFMpegHelper.ConversionSizeExceptionCheck(Image.FromFile(image.FullName));
+                using var image = Image.FromFile(imageInfo.FullName);
-                var destinationPath = Path.Combine(tempFolderName, $"{index.ToString().PadLeft(9, '0')}{image.Extension}");
+                FFMpegHelper.ConversionSizeExceptionCheck(image);
+                var destinationPath = Path.Combine(tempFolderName, $"{index.ToString().PadLeft(9, '0')}{imageInfo.Extension}");
                 Directory.CreateDirectory(tempFolderName);
-                File.Copy(image.FullName, destinationPath);
+                File.Copy(imageInfo.FullName, destinationPath);
                 return destinationPath;
             }).ToArray();
 

FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs

@@ -43,6 +43,13 @@ public FFMpegArgumentOptions WithVideoFilters(Action<VideoFilterOptions> videoFi
             return WithArgument(new VideoFiltersArgument(videoFilterOptionsObj));
         }
 
+        public FFMpegArgumentOptions WithAudioFilters(Action<AudioFilterOptions> audioFilterOptions)
+        {
+            var audioFilterOptionsObj = new AudioFilterOptions();
+            audioFilterOptions(audioFilterOptionsObj);
+            return WithArgument(new AudioFiltersArgument(audioFilterOptionsObj));
+        }
+
         public FFMpegArgumentOptions WithFramerate(double framerate) => WithArgument(new FrameRateArgument(framerate));
         public FFMpegArgumentOptions WithoutMetadata() => WithArgument(new RemoveMetadataArgument());
         public FFMpegArgumentOptions WithSpeedPreset(Speed speed) => WithArgument(new SpeedPresetArgument(speed));

FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs

@@ -75,13 +75,7 @@ void OnCancelEvent(object sender, int timeout)
             
             try
             {
-                _ffMpegArguments.Pre();
+                errorCode = Process(instance, cancellationTokenSource).ConfigureAwait(false).GetAwaiter().GetResult();
-                Task.WaitAll(instance.FinishedRunning().ContinueWith(t =>
-                {
-                    errorCode = t.Result;
-                    cancellationTokenSource.Cancel();
-                    _ffMpegArguments.Post();
-                }), _ffMpegArguments.During(cancellationTokenSource.Token));
             }
             catch (Exception e)
             {
@@ -114,13 +108,7 @@ void OnCancelEvent(object sender, int timeout)
             
             try
             {
-                _ffMpegArguments.Pre();
+                errorCode = await Process(instance, cancellationTokenSource).ConfigureAwait(false);
-                await Task.WhenAll(instance.FinishedRunning().ContinueWith(t =>
-                {
-                    errorCode = t.Result;
-                    cancellationTokenSource.Cancel();
-                    _ffMpegArguments.Post();
-                }), _ffMpegArguments.During(cancellationTokenSource.Token)).ConfigureAwait(false);
             }
             catch (Exception e)
             {
@@ -134,6 +122,21 @@ await Task.WhenAll(instance.FinishedRunning().ContinueWith(t =>
             return HandleCompletion(throwOnError, errorCode, instance.ErrorData);
         }
 
+        private async Task<int> Process(Instance instance, CancellationTokenSource cancellationTokenSource)
+        {
+            var errorCode = -1;
+
+            _ffMpegArguments.Pre();
+            await Task.WhenAll(instance.FinishedRunning().ContinueWith(t =>
+            {
+                errorCode = t.Result;
+                cancellationTokenSource.Cancel();
+                _ffMpegArguments.Post();
+            }), _ffMpegArguments.During(cancellationTokenSource.Token)).ConfigureAwait(false);
+
+            return errorCode;
+        }
+
         private bool HandleCompletion(bool throwOnError, int exitCode, IReadOnlyList<string> errorData)
         {
             if (throwOnError && exitCode != 0)
@@ -145,17 +148,18 @@ private bool HandleCompletion(bool throwOnError, int exitCode, IReadOnlyList<str
             return exitCode == 0;
         }
 
-        private Instance PrepareInstance(FFOptions ffMpegOptions,
+        private Instance PrepareInstance(FFOptions ffOptions,
             out CancellationTokenSource cancellationTokenSource)
         {
             FFMpegHelper.RootExceptionCheck();
-            FFMpegHelper.VerifyFFMpegExists(ffMpegOptions);
+            FFMpegHelper.VerifyFFMpegExists(ffOptions);
             var startInfo = new ProcessStartInfo
             {
-                FileName = GlobalFFOptions.GetFFMpegBinaryPath(ffMpegOptions),
+                FileName = GlobalFFOptions.GetFFMpegBinaryPath(ffOptions),
                 Arguments = _ffMpegArguments.Text,
-                StandardOutputEncoding = ffMpegOptions.Encoding,
+                StandardOutputEncoding = ffOptions.Encoding,
-                StandardErrorEncoding = ffMpegOptions.Encoding,
+                StandardErrorEncoding = ffOptions.Encoding,
+                WorkingDirectory = ffOptions.WorkingDirectory
             };
             var instance = new Instance(startInfo);
             cancellationTokenSource = new CancellationTokenSource();

FFMpegCore/FFMpeg/Pipes/StreamPipeSink.cs

@@ -20,8 +20,8 @@ public StreamPipeSink(Stream destination)
             Writer = (inputStream, cancellationToken) => inputStream.CopyToAsync(destination, BlockSize, cancellationToken);
         }
 
-        public Task ReadAsync(Stream inputStream, CancellationToken cancellationToken) 
+        public async Task ReadAsync(Stream inputStream, CancellationToken cancellationToken) 
-            => Writer(inputStream, cancellationToken);
+            => await Writer(inputStream, cancellationToken).ConfigureAwait(false);
 
         public string GetFormat() => Format;
     }

FFMpegCore/FFMpegCore.csproj

@@ -8,13 +8,18 @@
     <Description>A .NET Standard FFMpeg/FFProbe wrapper for easily integrating media analysis and conversion into your .NET applications</Description>
     <AssemblyVersion>4.0.0.0</AssemblyVersion>
     <PackageReadmeFile>README.md</PackageReadmeFile>
-    <PackageReleaseNotes>- Support for PCM audio samples (thanks to Namaneo)
+    <PackageReleaseNotes>- Support for reading Disposition metadata on streams in FFProbe output (thanks alex6dj)
-- Support for subtitle streams in MediaAnalysis (thanks to alex6dj)
+- Fix for stream index in Snapshot(Async) (thanks stasokrosh)
-- Support for subtitle hard burning (thanks to alex6dj)
+- Add support for frame analysis through FFProbe,GetFrames(Async) (thanks andyjmorgan)
-- Additional codec* properties on MediaAnalysis object (thanks to GuyWithDogs)
+- Fix for subtitle burning error, when subtitle path contains special characters (thanks alex6dj)
-- SelectStream method for mapping/specifyíng specific streams from input files (thanks to Feodoros)</PackageReleaseNotes>
+- Support for Audio filters (thanks alex6dj)
+- Fix FFProbe.AnalyseAsync not throwing if non-zero exit-code (thanks samburovkv)
+- Change bit_rate from int to long to support analysis of high bit-rate files (thanks zhuker) 
+- Support for specifying working directory for ffmpeg and ffprobe processes through FFOptions
+- Ensure Image instances in JoinImageSequence are disposed
+- Added ConfigureAwait(false) to prevent hanging with certain frameworks</PackageReleaseNotes>
     <LangVersion>8</LangVersion>
-    <PackageVersion>4.5.0</PackageVersion>
+    <PackageVersion>4.6.0</PackageVersion>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <Authors>Malte Rosenbjerg, Vlad Jerca, Max Bagryantsev</Authors>
     <PackageTags>ffmpeg ffprobe convert video audio mediafile resize analyze muxing</PackageTags>

FFMpegCore/FFOptions.cs

@@ -6,6 +6,11 @@ namespace FFMpegCore
 {
     public class FFOptions
     {
+        /// <summary>
+        /// Working directory for the ffmpeg/ffprobe instance
+        /// </summary>
+        public string WorkingDirectory { get; set; } = string.Empty;
+        
         /// <summary>
         /// Folder container ffmpeg and ffprobe binaries. Leave empty if ffmpeg and ffprobe are present in PATH
         /// </summary>

FFMpegCore/FFProbe/FFProbe.cs

@@ -18,16 +18,28 @@ public static IMediaAnalysis Analyse(string filePath, int outputCapacity = int.M
             if (!File.Exists(filePath)) 
                 throw new FFMpegException(FFMpegExceptionType.File, $"No file found at '{filePath}'");
             
-            using var instance = PrepareInstance(filePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
+            using var instance = PrepareStreamAnalysisInstance(filePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
             var exitCode = instance.BlockUntilFinished();
             if (exitCode != 0)
                 throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({exitCode} - {string.Join("\n", instance.ErrorData)})", null, string.Join("\n", instance.ErrorData));
             
             return ParseOutput(instance);
         }
+        public static FFProbeFrames GetFrames(string filePath, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
+        {
+            if (!File.Exists(filePath))
+                throw new FFMpegException(FFMpegExceptionType.File, $"No file found at '{filePath}'");
+
+            using var instance = PrepareFrameAnalysisInstance(filePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
+            var exitCode = instance.BlockUntilFinished();
+            if (exitCode != 0)
+                throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({exitCode} - {string.Join("\n", instance.ErrorData)})", null, string.Join("\n", instance.ErrorData));
+
+            return ParseFramesOutput(instance);
+        }
         public static IMediaAnalysis Analyse(Uri uri, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
         {
-            using var instance = PrepareInstance(uri.AbsoluteUri, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
+            using var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
             var exitCode = instance.BlockUntilFinished();
             if (exitCode != 0)
                 throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({exitCode} - {string.Join("\n", instance.ErrorData)})", null, string.Join("\n", instance.ErrorData));
@@ -38,7 +50,7 @@ public static IMediaAnalysis Analyse(Stream stream, int outputCapacity = int.Max
         {
             var streamPipeSource = new StreamPipeSource(stream);
             var pipeArgument = new InputPipeArgument(streamPipeSource);
-            using var instance = PrepareInstance(pipeArgument.PipePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
+            using var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
             pipeArgument.Pre();
 
             var task = instance.FinishedRunning();
@@ -62,21 +74,37 @@ public static async Task<IMediaAnalysis> AnalyseAsync(string filePath, int outpu
             if (!File.Exists(filePath)) 
                 throw new FFMpegException(FFMpegExceptionType.File, $"No file found at '{filePath}'");
             
-            using var instance = PrepareInstance(filePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
+            using var instance = PrepareStreamAnalysisInstance(filePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
-            await instance.FinishedRunning().ConfigureAwait(false);
+            var exitCode = await instance.FinishedRunning().ConfigureAwait(false);
+            if (exitCode != 0)
+                throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({exitCode} - {string.Join("\n", instance.ErrorData)})", null, string.Join("\n", instance.ErrorData));
+
             return ParseOutput(instance);
         }
+
+        public static async Task<FFProbeFrames> GetFramesAsync(string filePath, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
+        {
+            if (!File.Exists(filePath))
+                throw new FFMpegException(FFMpegExceptionType.File, $"No file found at '{filePath}'");
+
+            using var instance = PrepareFrameAnalysisInstance(filePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
+            await instance.FinishedRunning().ConfigureAwait(false);
+            return ParseFramesOutput(instance);
+        }
         public static async Task<IMediaAnalysis> AnalyseAsync(Uri uri, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
         {
-            using var instance = PrepareInstance(uri.AbsoluteUri, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
+            using var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
-            await instance.FinishedRunning().ConfigureAwait(false);
+            var exitCode = await instance.FinishedRunning().ConfigureAwait(false);
+            if (exitCode != 0)
+                throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({exitCode} - {string.Join("\n", instance.ErrorData)})", null, string.Join("\n", instance.ErrorData));
+
             return ParseOutput(instance);
         }
         public static async Task<IMediaAnalysis> AnalyseAsync(Stream stream, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
         {
             var streamPipeSource = new StreamPipeSource(stream);
             var pipeArgument = new InputPipeArgument(streamPipeSource);
-            using var instance = PrepareInstance(pipeArgument.PipePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
+            using var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
             pipeArgument.Pre();
 
             var task = instance.FinishedRunning();
@@ -112,16 +140,33 @@ private static IMediaAnalysis ParseOutput(Instance instance)
             
             return new MediaAnalysis(ffprobeAnalysis);
         }
+        private static FFProbeFrames ParseFramesOutput(Instance instance)
+        {
+            var json = string.Join(string.Empty, instance.OutputData);
+            var ffprobeAnalysis = JsonSerializer.Deserialize<FFProbeFrames>(json, new JsonSerializerOptions
+            {
+                PropertyNameCaseInsensitive = true,
+                NumberHandling = System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString | System.Text.Json.Serialization.JsonNumberHandling.WriteAsString
+            }) ;
 
-        private static Instance PrepareInstance(string filePath, int outputCapacity, FFOptions ffOptions)
+            return ffprobeAnalysis;
+        }
+
+
+        private static Instance PrepareStreamAnalysisInstance(string filePath, int outputCapacity, FFOptions ffOptions)
+            => PrepareInstance($"-loglevel error -print_format json -show_format -sexagesimal -show_streams \"{filePath}\"", outputCapacity, ffOptions);
+        private static Instance PrepareFrameAnalysisInstance(string filePath, int outputCapacity, FFOptions ffOptions)
+            => PrepareInstance($"-loglevel error -print_format json -show_frames -v quiet -sexagesimal \"{filePath}\"", outputCapacity, ffOptions);
+        
+        private static Instance PrepareInstance(string arguments, int outputCapacity, FFOptions ffOptions)
         {
             FFProbeHelper.RootExceptionCheck();
             FFProbeHelper.VerifyFFProbeExists(ffOptions);
-            var arguments = $"-loglevel error -print_format json -show_format -sexagesimal -show_streams \"{filePath}\"";
             var startInfo = new ProcessStartInfo(GlobalFFOptions.GetFFProbeBinaryPath(), arguments)
             {
                 StandardOutputEncoding = ffOptions.Encoding,
-                StandardErrorEncoding = ffOptions.Encoding
+                StandardErrorEncoding = ffOptions.Encoding,
+                WorkingDirectory = ffOptions.WorkingDirectory
             };
             var instance = new Instance(startInfo) { DataBufferCapacity = outputCapacity };
             return instance;

FFMpegCore/FFProbe/FFProbeAnalysis.cs

@@ -12,7 +12,7 @@ public class FFProbeAnalysis
         public Format Format { get; set; } = null!;
     }
     
-    public class FFProbeStream : ITagsContainer
+    public class FFProbeStream : ITagsContainer, IDispositionContainer
     {
         [JsonPropertyName("index")]
         public int Index { get; set; }
@@ -71,9 +71,13 @@ public class FFProbeStream : ITagsContainer
         [JsonPropertyName("sample_rate")]
         public string SampleRate { get; set; } = null!;
 
+        [JsonPropertyName("disposition")]
+        public Dictionary<string, int> Disposition { get; set; } = null!;
+
         [JsonPropertyName("tags")]
         public Dictionary<string, string> Tags { get; set; } = null!;
     }
+
     public class Format : ITagsContainer
     {
         [JsonPropertyName("filename")]
@@ -110,10 +114,16 @@ public class Format : ITagsContainer
         public Dictionary<string, string> Tags { get; set; } = null!;
     }
 
+    public interface IDispositionContainer
+    {
+        Dictionary<string, int> Disposition { get; set; }
+    }
+
     public interface ITagsContainer
     {
         Dictionary<string, string> Tags { get; set; }
     }
+
     public static class TagExtensions
     {
         private static string? TryGetTagValue(ITagsContainer tagsContainer, string key)
@@ -127,7 +137,18 @@ public static class TagExtensions
         public static string? GetCreationTime(this ITagsContainer tagsContainer) => TryGetTagValue(tagsContainer, "creation_time ");
         public static string? GetRotate(this ITagsContainer tagsContainer) => TryGetTagValue(tagsContainer, "rotate");
         public static string? GetDuration(this ITagsContainer tagsContainer) => TryGetTagValue(tagsContainer, "duration");
+    }
 
+    public static class DispositionExtensions
+    {
+        private static int? TryGetDispositionValue(IDispositionContainer dispositionContainer, string key)
+        {
+            if (dispositionContainer.Disposition != null && dispositionContainer.Disposition.TryGetValue(key, out var dispositionValue))
+                return dispositionValue;
+            return null;
+        }
 
+        public static int? GetDefault(this IDispositionContainer tagsContainer) => TryGetDispositionValue(tagsContainer, "default");
+        public static int? GetForced(this IDispositionContainer tagsContainer) => TryGetDispositionValue(tagsContainer, "forced");
     }
 }

FFMpegCore/FFProbe/FrameAnalysis.cs

@@ -0,0 +1,83 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace FFMpegCore
+{
+    public class FFProbeFrameAnalysis
+    {
+        [JsonPropertyName("media_type")]
+        public string MediaType { get; set; }
+        
+        [JsonPropertyName("stream_index")]
+        public int StreamIndex { get; set; }
+        
+        [JsonPropertyName("key_frame")]
+        public int KeyFrame { get; set; }
+        
+        [JsonPropertyName("pkt_pts")]
+        public long PacketPts { get; set; }
+        
+        [JsonPropertyName("pkt_pts_time")]
+        public string PacketPtsTime { get; set; }
+        
+        [JsonPropertyName("pkt_dts")]
+        public long PacketDts { get; set; }
+        
+        [JsonPropertyName("pkt_dts_time")]
+        public string PacketDtsTime { get; set; }
+        
+        [JsonPropertyName("best_effort_timestamp")]
+        public long BestEffortTimestamp { get; set; }
+        
+        [JsonPropertyName("best_effort_timestamp_time")]
+        public string BestEffortTimestampTime { get; set; }
+        
+        [JsonPropertyName("pkt_duration")]
+        public int PacketDuration { get; set; }
+        
+        [JsonPropertyName("pkt_duration_time")]
+        public string PacketDurationTime { get; set; }
+        
+        [JsonPropertyName("pkt_pos")]
+        public long PacketPos { get; set; }
+        
+        [JsonPropertyName("pkt_size")]
+        public int PacketSize { get; set; }
+        
+        [JsonPropertyName("width")]
+        public long Width { get; set; }
+        
+        [JsonPropertyName("height")]
+        public long Height { get; set; }
+        
+        [JsonPropertyName("pix_fmt")]
+        public string PixelFormat { get; set; }
+        
+        [JsonPropertyName("pict_type")]
+        public string PictureType { get; set; }
+        
+        [JsonPropertyName("coded_picture_number")]
+        public long CodedPictureNumber { get; set; }
+        
+        [JsonPropertyName("display_picture_number")]
+        public long DisplayPictureNumber { get; set; }
+        
+        [JsonPropertyName("interlaced_frame")]
+        public int InterlacedFrame { get; set; }
+        
+        [JsonPropertyName("top_field_first")]
+        public int TopFieldFirst { get; set; }
+        
+        [JsonPropertyName("repeat_pict")]
+        public int RepeatPicture { get; set; }
+        
+        [JsonPropertyName("chroma_location")]
+        public string ChromaLocation { get; set; }
+    }
+
+    public class FFProbeFrames
+    {
+        [JsonPropertyName("frames")]
+        public List<FFProbeFrameAnalysis> Frames { get; set; }
+    }
+}

FFMpegCore/FFProbe/MediaAnalysis.cs

@@ -52,7 +52,7 @@ private VideoStream ParseVideoStream(FFProbeStream stream)
             {
                 Index = stream.Index,
                 AvgFrameRate = MediaAnalysisUtils.DivideRatio(MediaAnalysisUtils.ParseRatioDouble(stream.AvgFrameRate, '/')),
-                BitRate = !string.IsNullOrEmpty(stream.BitRate) ? MediaAnalysisUtils.ParseIntInvariant(stream.BitRate) : default,
+                BitRate = !string.IsNullOrEmpty(stream.BitRate) ? MediaAnalysisUtils.ParseLongInvariant(stream.BitRate) : default,
                 BitsPerRawSample = !string.IsNullOrEmpty(stream.BitsPerRawSample) ? MediaAnalysisUtils.ParseIntInvariant(stream.BitsPerRawSample) : default,
                 CodecName = stream.CodecName,
                 CodecLongName = stream.CodecLongName,
@@ -67,6 +67,7 @@ private VideoStream ParseVideoStream(FFProbeStream stream)
                 PixelFormat = stream.PixelFormat,
                 Rotation = (int)float.Parse(stream.GetRotate() ?? "0"),
                 Language = stream.GetLanguage(),
+                Disposition = MediaAnalysisUtils.FormatDisposition(stream.Disposition),
                 Tags = stream.Tags,
             };
         }
@@ -76,7 +77,7 @@ private AudioStream ParseAudioStream(FFProbeStream stream)
             return new AudioStream
             {
                 Index = stream.Index,
-                BitRate = !string.IsNullOrEmpty(stream.BitRate) ? MediaAnalysisUtils.ParseIntInvariant(stream.BitRate) : default,
+                BitRate = !string.IsNullOrEmpty(stream.BitRate) ? MediaAnalysisUtils.ParseLongInvariant(stream.BitRate) : default,
                 CodecName = stream.CodecName,
                 CodecLongName = stream.CodecLongName,
                 CodecTag = stream.CodecTag,
@@ -87,6 +88,7 @@ private AudioStream ParseAudioStream(FFProbeStream stream)
                 SampleRateHz = !string.IsNullOrEmpty(stream.SampleRate) ? MediaAnalysisUtils.ParseIntInvariant(stream.SampleRate) : default,
                 Profile = stream.Profile,
                 Language = stream.GetLanguage(),
+                Disposition = MediaAnalysisUtils.FormatDisposition(stream.Disposition),
                 Tags = stream.Tags,
             };
         }
@@ -96,11 +98,12 @@ private SubtitleStream ParseSubtitleStream(FFProbeStream stream)
             return new SubtitleStream
             {
                 Index = stream.Index,
-                BitRate = !string.IsNullOrEmpty(stream.BitRate) ? MediaAnalysisUtils.ParseIntInvariant(stream.BitRate) : default,
+                BitRate = !string.IsNullOrEmpty(stream.BitRate) ? MediaAnalysisUtils.ParseLongInvariant(stream.BitRate) : default,
                 CodecName = stream.CodecName,
                 CodecLongName = stream.CodecLongName,
                 Duration = MediaAnalysisUtils.ParseDuration(stream),
                 Language = stream.GetLanguage(),
+                Disposition = MediaAnalysisUtils.FormatDisposition(stream.Disposition),
                 Tags = stream.Tags,
             };
         }
@@ -132,6 +135,9 @@ public static double ParseDoubleInvariant(string line) =>
         public static int ParseIntInvariant(string line) =>
             int.Parse(line, System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture);
         
+        public static long ParseLongInvariant(string line) =>
+            long.Parse(line, System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture);
+        
         
         public static TimeSpan ParseDuration(string duration)
         {
@@ -169,5 +175,30 @@ public static TimeSpan ParseDuration(FFProbeStream ffProbeStream)
         {
             return ParseDuration(ffProbeStream.Duration);
         }
+
+        public static Dictionary<string, bool>? FormatDisposition(Dictionary<string, int>? disposition)
+        {
+            if (disposition == null)
+            {
+                return null;
+            }
+
+            var result = new Dictionary<string, bool>(disposition.Count);
+
+            foreach (var pair in disposition)
+            {
+                result.Add(pair.Key, ToBool(pair.Value));
+            }
+
+            static bool ToBool(int value) => value switch
+            {
+                0 => false,
+                1 => true,
+                _ => throw new ArgumentOutOfRangeException(nameof(value),
+                    $"Not expected disposition state value: {value}")
+            };
+
+            return result;
+        }
     }
 }

FFMpegCore/FFProbe/MediaStream.cs

@@ -12,9 +12,10 @@ public class MediaStream
         public string CodecLongName { get; internal set; } = null!;
         public string CodecTagString { get; set; } = null!;
         public string CodecTag { get; set; } = null!;
-        public int BitRate { get; internal set; }
+        public long BitRate { get; internal set; }
         public TimeSpan Duration { get; internal set; }
         public string? Language { get; internal set; }
+        public Dictionary<string, bool>? Disposition { get; internal set; }
         public Dictionary<string, string>? Tags { get; internal set; }
         
         public Codec GetCodecInfo() => FFMpeg.GetCodec(CodecName);

README.md

@@ -196,12 +196,12 @@ The root and temp directory for the ffmpeg binaries can be configured via the `f
 ```
 
 ### Supporting both 32 and 64 bit processes
-If you wish to support multiple client processor architectures, you can do so by creating a folder `x64` and `x86` in the `root` directory.
+If you wish to support multiple client processor architectures, you can do so by creating two folders, `x64` and `x86`, in the `BinaryFolder` directory.
-Both folders should contain the binaries (`ffmpeg.exe` and `ffprobe.exe`) for build for the respective architectures. 
+Both folders should contain the binaries (`ffmpeg.exe` and `ffprobe.exe`) built for the respective architectures. 
 
-By doing so, the library will attempt to use either `/root/{ARCH}/(ffmpeg|ffprobe).exe`.
+By doing so, the library will attempt to use either `/{BinaryFolder}/{ARCH}/(ffmpeg|ffprobe).exe`.
 
-If these folders are not defined, it will try to find the binaries in `/root/(ffmpeg|ffprobe.exe)`.
+If these folders are not defined, it will try to find the binaries in `/{BinaryFolder}/(ffmpeg|ffprobe.exe)`.
 
 (`.exe` is only appended on Windows)
 
@@ -215,7 +215,7 @@ Older versions of ffmpeg might not support all ffmpeg arguments available throug
   <img src="https://contrib.rocks/image?repo=rosenbjerg/ffmpegcore" />
 </a>
 
-## Non-code contributors
+## Other contributors
 <a href="https://github.com/tiesont"><img src="https://avatars3.githubusercontent.com/u/420293?v=4" title="tiesont" width="80" height="80"></a>