Init

FFMpegCore.Examples/FFMpegCore.Examples.csproj

@@ -6,6 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
+      <ProjectReference Include="..\FFMpegCore.Extensions.System.Drawing.Common\FFMpegCore.Extensions.System.Drawing.Common.csproj" />
       <ProjectReference Include="..\FFMpegCore\FFMpegCore.csproj" />
     </ItemGroup>
 

FFMpegCore.Examples/Program.cs

@@ -5,7 +5,7 @@
 using FFMpegCore;
 using FFMpegCore.Enums;
 using FFMpegCore.Pipes;
-using FFMpegCore.Extend;
+using FFMpegCore.Extensions.System.Drawing.Common;
 
 var inputPath = "/path/to/input";
 var outputPath = "/path/to/output";
@@ -34,7 +34,7 @@
 
 {
     // process the snapshot in-memory and use the Bitmap directly
-    var bitmap = FFMpeg.Snapshot(inputPath, new Size(200, 400), TimeSpan.FromMinutes(1));
+    var bitmap = FFMpegImage.Snapshot(inputPath, new Size(200, 400), TimeSpan.FromMinutes(1));
 
     // or persists the image on the drive
     FFMpeg.Snapshot(inputPath, outputPath, new Size(200, 400), TimeSpan.FromMinutes(1));
@@ -61,7 +61,7 @@ await FFMpegArguments
 }
 
 {
-    FFMpeg.JoinImageSequence(@"..\joined_video.mp4", frameRate: 1,
+    FFMpegImage.JoinImageSequence(@"..\joined_video.mp4", frameRate: 1,
         ImageInfo.FromPath(@"..\1.png"),
         ImageInfo.FromPath(@"..\2.png"),
         ImageInfo.FromPath(@"..\3.png")
@@ -83,7 +83,7 @@ await FFMpegArguments
 
 var inputImagePath = "/path/to/input/image";
 {
-    FFMpeg.PosterWithAudio(inputPath, inputAudioPath, outputPath);
+    FFMpegImage.PosterWithAudio(inputPath, inputAudioPath, outputPath);
     // or
     var image = Image.FromFile(inputImagePath);
     image.AddAudio(inputAudioPath, outputPath);

FFMpegCore.Extensions.System.Drawing.Common/BitmapExtensions.cs

@@ -2,7 +2,7 @@
 using System.Drawing;
 using System.IO;
 
-namespace FFMpegCore.Extend
+namespace FFMpegCore.Extensions.System.Drawing.Common
 {
     public static class BitmapExtensions
     {

FFMpegCore.Extensions.System.Drawing.Common/BitmapVideoFrameWrapper.cs

@@ -7,7 +7,7 @@
 using System.Threading.Tasks;
 using FFMpegCore.Pipes;
 
-namespace FFMpegCore.Extend
+namespace FFMpegCore.Extensions.System.Drawing.Common
 {
     public class BitmapVideoFrameWrapper : IVideoFrame, IDisposable
     {

FFMpegCore.Extensions.System.Drawing.Common/FFMpegCore.Extensions.System.Drawing.Common.csproj

@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <NeutralLanguage>en</NeutralLanguage>
+        <RepositoryUrl>https://github.com/rosenbjerg/FFMpegCore</RepositoryUrl>
+        <PackageProjectUrl>https://github.com/rosenbjerg/FFMpegCore</PackageProjectUrl>
+        <Copyright></Copyright>
+        <Description>Image extension for FFMpegCore, using System.Common.Drawing</Description>
+        <PackageReleaseNotes>
+        </PackageReleaseNotes>
+        <LangVersion>8</LangVersion>
+        <AssemblyVersion>4.0.0.0</AssemblyVersion>
+        <PackageVersion>4.0.0</PackageVersion>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+        <Authors>Malte Rosenbjerg, Vlad Jerca, Max Bagryantsev</Authors>
+        <PackageTags>ffmpeg ffprobe convert video audio mediafile resize analyze muxing</PackageTags>
+        <RepositoryType>GitHub</RepositoryType>
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+        <Nullable>enable</Nullable>
+        <TargetFramework>netstandard2.0</TargetFramework>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="FFMpegCore" Version="4.7.0" />
+      <PackageReference Include="System.Drawing.Common" Version="6.0.0" />
+    </ItemGroup>
+
+</Project>

FFMpegCore.Extensions.System.Drawing.Common/FFMpegImage.cs

@@ -0,0 +1,134 @@
+using System;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using FFMpegCore.Enums;
+using FFMpegCore.Helpers;
+using FFMpegCore.Pipes;
+
+namespace FFMpegCore.Extensions.System.Drawing.Common
+{
+    public static class FFMpegImage
+    {
+        public static void ConversionSizeExceptionCheck(Image image)
+            => FFMpegHelper.ConversionSizeExceptionCheck(image.Size.Width, image.Size.Height);
+
+        /// <summary>
+        /// Converts an image sequence to a video.
+        /// </summary>
+        /// <param name="output">Output video file.</param>
+        /// <param name="frameRate">FPS</param>
+        /// <param name="images">Image sequence collection</param>
+        /// <returns>Output video information.</returns>
+        public 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((imageInfo, index) =>
+            {
+                using var image = Image.FromFile(imageInfo.FullName);
+                FFMpegHelper.ConversionSizeExceptionCheck(image);
+                var destinationPath = Path.Combine(tempFolderName, $"{index.ToString().PadLeft(9, '0')}{imageInfo.Extension}");
+                Directory.CreateDirectory(tempFolderName);
+                File.Copy(imageInfo.FullName, destinationPath);
+                return destinationPath;
+            }).ToArray();
+
+            var firstImage = images.First();
+            try
+            {
+                return FFMpegArguments
+                    .FromFileInput(Path.Combine(tempFolderName, "%09d.png"), false)
+                    .OutputToFile(output, true, options => options
+                        .Resize(firstImage.Width, firstImage.Height)
+                        .WithFramerate(frameRate))
+                    .ProcessSynchronously();
+            }
+            finally
+            {
+                Cleanup(temporaryImageFiles);
+                Directory.Delete(tempFolderName);
+            }
+        }
+        /// <summary>
+        ///     Adds a poster image to an audio file.
+        /// </summary>
+        /// <param name="image">Source image file.</param>
+        /// <param name="audio">Source audio file.</param>
+        /// <param name="output">Output video file.</param>
+        /// <returns></returns>
+        public static bool PosterWithAudio(string image, string audio, string output)
+        {
+            FFMpegHelper.ExtensionExceptionCheck(output, FileExtension.Mp4);
+            using (var img = Image.FromFile(image))
+                FFMpegHelper.ConversionSizeExceptionCheck(img);
+
+            return FFMpegArguments
+                .FromFileInput(image, false, options => options
+                    .Loop(1))
+                .AddFileInput(audio)
+                .OutputToFile(output, true, options => options
+                    .WithVideoCodec(VideoCodec.LibX264)
+                    .CopyChannel()
+                    .WithConstantRateFactor(21)
+                    .WithAudioBitrate(AudioQuality.Normal)
+                    .UsingShortest())
+                .ProcessSynchronously();
+        }
+        /// <summary>
+        ///     Saves a 'png' thumbnail to an in-memory bitmap
+        /// </summary>
+        /// <param name="input">Source video file.</param>
+        /// <param name="captureTime">Seek position where the thumbnail should be taken.</param>
+        /// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
+        /// <param name="streamIndex">Selected video stream index.</param>
+        /// <param name="inputFileIndex">Input file index</param>
+        /// <returns>Bitmap with the requested snapshot.</returns>
+        public static Bitmap Snapshot(string input, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null, int inputFileIndex = 0)
+        {
+            var source = FFProbe.Analyse(input);
+            var (arguments, outputOptions) = BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
+            using var ms = new MemoryStream();
+
+            arguments
+                .OutputToPipe(new StreamPipeSink(ms), options => outputOptions(options
+                    .ForceFormat("rawvideo")))
+                .ProcessSynchronously();
+
+            ms.Position = 0;
+            using var bitmap = new Bitmap(ms);
+            return bitmap.Clone(new Rectangle(0, 0, bitmap.Width, bitmap.Height), bitmap.PixelFormat);
+        }
+        /// <summary>
+        ///     Saves a 'png' thumbnail to an in-memory bitmap
+        /// </summary>
+        /// <param name="input">Source video file.</param>
+        /// <param name="captureTime">Seek position where the thumbnail should be taken.</param>
+        /// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
+        /// <param name="streamIndex">Selected video stream index.</param>
+        /// <param name="inputFileIndex">Input file index</param>
+        /// <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).ConfigureAwait(false);
+            var (arguments, outputOptions) = BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
+            using var ms = new MemoryStream();
+
+            await arguments
+                .OutputToPipe(new StreamPipeSink(ms), options => outputOptions(options
+                    .ForceFormat("rawvideo")))
+                .ProcessAsynchronously();
+
+            ms.Position = 0;
+            return new Bitmap(ms);
+        }
+        private static void Cleanup(IEnumerable<string> pathList)
+        {
+            foreach (var path in pathList)
+            {
+                if (File.Exists(path))
+                    File.Delete(path);
+            }
+        }
+    }
+}

FFMpegCore.Test/AudioTest.cs

@@ -9,6 +9,7 @@
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
+using FFMpegCore.Extensions.System.Drawing.Common;
 
 namespace FFMpegCore.Test
 {
@@ -68,7 +69,7 @@ public void Audio_Add()
         public void Image_AddAudio()
         {
             using var outputFile = new TemporaryFile("out.mp4");
-            FFMpeg.PosterWithAudio(TestResources.PngImage, TestResources.Mp3Audio, outputFile);
+            FFMpegImage.PosterWithAudio(TestResources.PngImage, TestResources.Mp3Audio, outputFile);
             var analysis = FFProbe.Analyse(TestResources.Mp3Audio);
             Assert.IsTrue(analysis.Duration.TotalSeconds > 0);
             Assert.IsTrue(File.Exists(outputFile));

FFMpegCore.Test/FFMpegCore.Test.csproj

@@ -50,6 +50,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\FFMpegCore.Extensions.System.Drawing.Common\FFMpegCore.Extensions.System.Drawing.Common.csproj" />
     <ProjectReference Include="..\FFMpegCore\FFMpegCore.csproj" />
   </ItemGroup>
 

FFMpegCore.Test/Utilities/BitmapSources.cs

@@ -1,9 +1,9 @@
-using FFMpegCore.Extend;
+using System;
-using System;
 using System.Collections.Generic;
 using System.Drawing;
 using System.Drawing.Imaging;
 using System.Numerics;
+using FFMpegCore.Extensions.System.Drawing.Common;
 using FFMpegCore.Pipes;
 
 namespace FFMpegCore.Test

FFMpegCore.Test/VideoTest.cs

@@ -13,6 +13,7 @@
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using FFMpegCore.Extensions.System.Drawing.Common;
 
 namespace FFMpegCore.Test
 {
@@ -402,7 +403,7 @@ public void Video_ToMP4_Resize_Args_Pipe(System.Drawing.Imaging.PixelFormat pixe
         public void Video_Snapshot_InMemory()
         {
             var input = FFProbe.Analyse(TestResources.Mp4Video);
-            using var bitmap = FFMpeg.Snapshot(TestResources.Mp4Video);
+            using var bitmap = FFMpegImage.Snapshot(TestResources.Mp4Video);
             
             Assert.AreEqual(input.PrimaryVideoStream!.Width, bitmap.Width);
             Assert.AreEqual(input.PrimaryVideoStream.Height, bitmap.Height);
@@ -460,8 +461,8 @@ public void Video_Join_Image_Sequence()
                     }
                 });
 
-            using var outputFile = new TemporaryFile("out.mp4");
+            var outputFile = new TemporaryFile("out.mp4");
-            var success = FFMpeg.JoinImageSequence(outputFile, images: imageSet.ToArray());
+            var success = FFMpegImage.JoinImageSequence(outputFile, images: imageSet.ToArray());
             Assert.IsTrue(success);
             var result = FFProbe.Analyse(outputFile);
             Assert.AreEqual(3, result.Duration.Seconds);

FFMpegCore.sln

@@ -9,6 +9,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FFMpegCore.Test", "FFMpegCo
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FFMpegCore.Examples", "FFMpegCore.Examples\FFMpegCore.Examples.csproj", "{3125CF91-FFBD-4E4E-8930-247116AFE772}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FFMpegCore.Extensions.System.Drawing.Common", "FFMpegCore.Extensions.System.Drawing.Common\FFMpegCore.Extensions.System.Drawing.Common.csproj", "{9C1A4930-9369-4A18-AD98-929A2A510D80}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{3125CF91-FFBD-4E4E-8930-247116AFE772}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3125CF91-FFBD-4E4E-8930-247116AFE772}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3125CF91-FFBD-4E4E-8930-247116AFE772}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9C1A4930-9369-4A18-AD98-929A2A510D80}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9C1A4930-9369-4A18-AD98-929A2A510D80}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9C1A4930-9369-4A18-AD98-929A2A510D80}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9C1A4930-9369-4A18-AD98-929A2A510D80}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

FFMpegCore/FFMpeg/FFMpeg.cs

@@ -59,54 +59,6 @@ public static async Task<bool> SnapshotAsync(string input, string output, Size?
                 .ProcessAsynchronously();
         }
 
-        /// <summary>
-        ///     Saves a 'png' thumbnail to an in-memory bitmap
-        /// </summary>
-        /// <param name="input">Source video file.</param>
-        /// <param name="captureTime">Seek position where the thumbnail should be taken.</param>
-        /// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
-        /// <param name="streamIndex">Selected video stream index.</param>
-        /// <param name="inputFileIndex">Input file index</param>
-        /// <returns>Bitmap with the requested snapshot.</returns>
-        public static Bitmap Snapshot(string input, Size? size = null, TimeSpan? captureTime = null, int? streamIndex = null, int inputFileIndex = 0)
-        {
-            var source = FFProbe.Analyse(input);
-            var (arguments, outputOptions) = BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
-            using var ms = new MemoryStream();
-
-            arguments
-                .OutputToPipe(new StreamPipeSink(ms), options => outputOptions(options
-                    .ForceFormat("rawvideo")))
-                .ProcessSynchronously();
-
-            ms.Position = 0;
-            using var bitmap = new Bitmap(ms);
-            return bitmap.Clone(new Rectangle(0, 0, bitmap.Width, bitmap.Height), bitmap.PixelFormat);
-        }
-        /// <summary>
-        ///     Saves a 'png' thumbnail to an in-memory bitmap
-        /// </summary>
-        /// <param name="input">Source video file.</param>
-        /// <param name="captureTime">Seek position where the thumbnail should be taken.</param>
-        /// <param name="size">Thumbnail size. If width or height equal 0, the other will be computed automatically.</param>
-        /// <param name="streamIndex">Selected video stream index.</param>
-        /// <param name="inputFileIndex">Input file index</param>
-        /// <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).ConfigureAwait(false);
-            var (arguments, outputOptions) = BuildSnapshotArguments(input, source, size, captureTime, streamIndex, inputFileIndex);
-            using var ms = new MemoryStream();
-
-            await arguments
-                .OutputToPipe(new StreamPipeSink(ms), options => outputOptions(options
-                    .ForceFormat("rawvideo")))
-                .ProcessAsynchronously();
-
-            ms.Position = 0;
-            return new Bitmap(ms);
-        }
-
         private static (FFMpegArguments, Action<FFMpegArgumentOptions> outputOptions) BuildSnapshotArguments(
             string input,
             IMediaAnalysis source,

FFMpegCore/FFMpegCore.csproj

@@ -38,7 +38,6 @@
 
   <ItemGroup>
     <PackageReference Include="Instances" Version="3.0.0" />
-    <PackageReference Include="System.Drawing.Common" Version="7.0.0" />
     <PackageReference Include="System.Text.Json" Version="7.0.1" />
   </ItemGroup>
 

FFMpegCore/Helpers/FFMpegHelper.cs

@@ -10,13 +10,10 @@ public static class FFMpegHelper
     {
         private static bool _ffmpegVerified;
 
-        public static void ConversionSizeExceptionCheck(Image image)
-            => ConversionSizeExceptionCheck(image.Size.Width, image.Size.Height);
-
         public static void ConversionSizeExceptionCheck(IMediaAnalysis info)
             => ConversionSizeExceptionCheck(info.PrimaryVideoStream!.Width, info.PrimaryVideoStream.Height);
 
-        private static void ConversionSizeExceptionCheck(int width, int height)
+        public static void ConversionSizeExceptionCheck(int width, int height)
         {
             if (height % 2 != 0 || width % 2 != 0 )
                 throw new ArgumentException("FFMpeg yuv420p encoding requires the width and height to be a multiple of 2!");