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15 changed files with 383 additions and 3 deletions
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9
FFMpegCore.Extensions.Downloader/Enums/FFMpegBinaries.cs Normal file
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namespace FFMpegCore.Extensions.Downloader.Enums;
[Flags]
public enum FFMpegBinaries : ushort
{
FFMpeg,
FFProbe,
FFPlay
}

39
FFMpegCore.Extensions.Downloader/Enums/FFMpegVersions.cs Normal file
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using System.ComponentModel;
namespace FFMpegCore.Extensions.Downloader.Enums;
public enum FFMpegVersions : ushort
{
[Description("https://ffbinaries.com/api/v1/version/latest")]
Latest,
[Description("https://ffbinaries.com/api/v1/version/6.1")]
V6_1,
[Description("https://ffbinaries.com/api/v1/version/5.1")]
V5_1,
[Description("https://ffbinaries.com/api/v1/version/4.4.1")]
V4_4_1,
[Description("https://ffbinaries.com/api/v1/version/4.2.1")]
V4_2_1,
[Description("https://ffbinaries.com/api/v1/version/4.2")]
V4_2,
[Description("https://ffbinaries.com/api/v1/version/4.1")]
V4_1,
[Description("https://ffbinaries.com/api/v1/version/4.0")]
V4_0,
[Description("https://ffbinaries.com/api/v1/version/3.4")]
V3_4,
[Description("https://ffbinaries.com/api/v1/version/3.3")]
V3_3,
[Description("https://ffbinaries.com/api/v1/version/3.2")]
V3_2
}

13
FFMpegCore.Extensions.Downloader/Enums/SupportedPlatforms.cs Normal file
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namespace FFMpegCore.Extensions.Downloader.Enums;
public enum SupportedPlatforms : ushort
{
Windows64,
Windows32,
Linux64,
Linux32,
LinuxArmhf,
LinuxArmel,
LinuxArm64,
Osx64
}

18
FFMpegCore.Extensions.Downloader/Exceptions/FFMpegDownloaderException.cs Normal file
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namespace FFMpegCore.Extensions.Downloader.Exceptions;
/// <summary>
/// Custom exception for FFMpegDownloader
/// </summary>
public class FFMpegDownloaderException : Exception
{
public string Detail { get; set; } = "";
public FFMpegDownloaderException(string message) : base(message)
{
}
public FFMpegDownloaderException(string message, string detail) : base(message)
{
Detail = detail;
}
}

22
FFMpegCore.Extensions.Downloader/Extensions/EnumExtensions.cs Normal file
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@ -0,0 +1,22 @@
using System.ComponentModel;
namespace FFMpegCore.Extensions.Downloader.Extensions;
internal static class EnumExtensions
{
public static string GetDescription(this Enum enumValue)
{
var field = enumValue.GetType().GetField(enumValue.ToString());
if (field == null)
{
return enumValue.ToString();
}
if (Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute)) is DescriptionAttribute attribute)
{
return attribute.Description;
}
return enumValue.ToString();
}
}

23
FFMpegCore.Extensions.Downloader/FFMpegCore.Extensions.Downloader.csproj Normal file
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@ -0,0 +1,23 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.1</TargetFramework>
<Nullable>enable</Nullable>
</PropertyGroup>
<PropertyGroup>
<IsPackable>true</IsPackable>
<Description>FFMpeg downloader extension for FFMpegCore</Description>
<PackageVersion>5.0.0</PackageVersion>
<PackageOutputPath>../nupkg</PackageOutputPath>
<PackageReleaseNotes>
</PackageReleaseNotes>
<PackageTags>ffmpeg ffprobe convert video audio mediafile resize analyze download</PackageTags>
<Authors>Malte Rosenbjerg, Vlad Jerca, Max Bagryantsev, Kerry Cao</Authors>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\FFMpegCore\FFMpegCore.csproj"/>
</ItemGroup>
</Project>

53
FFMpegCore.Extensions.Downloader/FFMpegDownloader.cs Normal file
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using FFMpegCore.Extensions.Downloader.Enums;
using FFMpegCore.Extensions.Downloader.Exceptions;
using FFMpegCore.Extensions.Downloader.Services;
namespace FFMpegCore.Extensions.Downloader;
public class FFMpegDownloader
{
/// <summary>
/// Download the latest FFMpeg suite binaries for current platform
/// </summary>
/// <param name="version">used to explicitly state the version of binary you want to download</param>
/// <param name="binaries">used to explicitly state the binaries you want to download (ffmpeg, ffprobe, ffplay)</param>
/// <param name="platformOverride">used to explicitly state the os and architecture you want to download</param>
/// <returns>a list of the binaries that have been successfully downloaded</returns>
public static async Task<List<string>> DownloadFFMpegSuite(
FFMpegVersions version = FFMpegVersions.Latest,
FFMpegBinaries binaries = FFMpegBinaries.FFMpeg | FFMpegBinaries.FFProbe,
SupportedPlatforms? platformOverride = null)
{
// get all available versions
var versionInfo = await FFbinariesService.GetVersionInfo(version);
// get the download info for the current platform
var downloadInfo = versionInfo.BinaryInfo?.GetCompatibleDownloadInfo(platformOverride) ??
throw new FFMpegDownloaderException("Failed to get compatible download info");
var successList = new List<string>();
// download ffmpeg if selected
if (binaries.HasFlag(FFMpegBinaries.FFMpeg) && downloadInfo.FFMpeg is not null)
{
await using var zipStream = await FFbinariesService.DownloadFileAsSteam(new Uri(downloadInfo.FFMpeg));
successList.AddRange(FFbinariesService.ExtractZipAndSave(zipStream));
}
// download ffprobe if selected
if (binaries.HasFlag(FFMpegBinaries.FFProbe) && downloadInfo.FFProbe is not null)
{
await using var zipStream = await FFbinariesService.DownloadFileAsSteam(new Uri(downloadInfo.FFProbe));
successList.AddRange(FFbinariesService.ExtractZipAndSave(zipStream));
}
// download ffplay if selected
if (binaries.HasFlag(FFMpegBinaries.FFPlay) && downloadInfo.FFPlay is not null)
{
await using var zipStream = await FFbinariesService.DownloadFileAsSteam(new Uri(downloadInfo.FFPlay));
successList.AddRange(FFbinariesService.ExtractZipAndSave(zipStream));
}
return successList;
}
}

74
FFMpegCore.Extensions.Downloader/Models/BinaryInfo.cs Normal file
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using System.Runtime.InteropServices;
using System.Text.Json.Serialization;
using FFMpegCore.Extensions.Downloader.Enums;
namespace FFMpegCore.Extensions.Downloader.Models;
internal record BinaryInfo
{
[JsonPropertyName("windows-64")] public DownloadInfo? Windows64 { get; set; }
[JsonPropertyName("windows-32")] public DownloadInfo? Windows32 { get; set; }
[JsonPropertyName("linux-32")] public DownloadInfo? Linux32 { get; set; }
[JsonPropertyName("linux-64")] public DownloadInfo? Linux64 { get; set; }
[JsonPropertyName("linux-armhf")] public DownloadInfo? LinuxArmhf { get; set; }
[JsonPropertyName("linux-armel")] public DownloadInfo? LinuxArmel { get; set; }
[JsonPropertyName("linux-arm64")] public DownloadInfo? LinuxArm64 { get; set; }
[JsonPropertyName("osx-64")] public DownloadInfo? Osx64 { get; set; }
/// <summary>
/// Automatically get the compatible download info for current os and architecture
/// </summary>
/// <param name="platformOverride"></param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <exception cref="PlatformNotSupportedException"></exception>
public DownloadInfo? GetCompatibleDownloadInfo(SupportedPlatforms? platformOverride = null)
{
if (platformOverride is not null)
{
return platformOverride switch
{
SupportedPlatforms.Windows64 => Windows64,
SupportedPlatforms.Windows32 => Windows32,
SupportedPlatforms.Linux64 => Linux64,
SupportedPlatforms.Linux32 => Linux32,
SupportedPlatforms.LinuxArmhf => LinuxArmhf,
SupportedPlatforms.LinuxArmel => LinuxArmel,
SupportedPlatforms.LinuxArm64 => LinuxArm64,
SupportedPlatforms.Osx64 => Osx64,
_ => throw new ArgumentOutOfRangeException(nameof(platformOverride), platformOverride, null)
};
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
return RuntimeInformation.OSArchitecture == Architecture.X64 ? Windows64 : Windows32;
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
return RuntimeInformation.OSArchitecture switch
{
Architecture.X86 => Linux32,
Architecture.X64 => Linux64,
Architecture.Arm => LinuxArmhf,
Architecture.Arm64 => LinuxArm64,
_ => LinuxArmel
};
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return Osx64;
}
throw new PlatformNotSupportedException("Unsupported OS or Architecture");
}
}

12
FFMpegCore.Extensions.Downloader/Models/DownloadInfo.cs Normal file
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using System.Text.Json.Serialization;
namespace FFMpegCore.Extensions.Downloader.Models;
internal record DownloadInfo
{
[JsonPropertyName("ffmpeg")] public string? FFMpeg { get; set; }
[JsonPropertyName("ffprobe")] public string? FFProbe { get; set; }
[JsonPropertyName("ffplay")] public string? FFPlay { get; set; }
}

12
FFMpegCore.Extensions.Downloader/Models/VersionInfo.cs Normal file
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using System.Text.Json.Serialization;
namespace FFMpegCore.Extensions.Downloader.Models;
internal record VersionInfo
{
[JsonPropertyName("version")] public string? Version { get; set; }
[JsonPropertyName("permalink")] public string? Permalink { get; set; }
[JsonPropertyName("bin")] public BinaryInfo? BinaryInfo { get; set; }
}

71
FFMpegCore.Extensions.Downloader/Services/FFbinariesService.cs Normal file
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using System.IO.Compression;
using System.Text.Json;
using FFMpegCore.Extensions.Downloader.Enums;
using FFMpegCore.Extensions.Downloader.Exceptions;
using FFMpegCore.Extensions.Downloader.Extensions;
using FFMpegCore.Extensions.Downloader.Models;
namespace FFMpegCore.Extensions.Downloader.Services;
/// <summary>
/// Service to interact with ffbinaries.com API
/// </summary>
internal class FFbinariesService
{
/// <summary>
/// Get version info from ffbinaries.com
/// </summary>
/// <param name="version">use to explicitly state the version of ffmpeg you want</param>
/// <returns></returns>
/// <exception cref="FFMpegDownloaderException"></exception>
internal static async Task<VersionInfo> GetVersionInfo(FFMpegVersions version)
{
var versionUri = version.GetDescription();
HttpClient client = new();
var response = await client.GetAsync(versionUri);
if (!response.IsSuccessStatusCode)
{
throw new FFMpegDownloaderException($"Failed to get version info from {versionUri}", "network error");
}
var jsonString = await response.Content.ReadAsStringAsync();
var versionInfo = JsonSerializer.Deserialize<VersionInfo>(jsonString);
return versionInfo ??
throw new FFMpegDownloaderException($"Failed to deserialize version info from {versionUri}", jsonString);
}
/// <summary>
/// Download file from uri
/// </summary>
/// <param name="address">uri of the file</param>
/// <returns></returns>
internal static async Task<Stream> DownloadFileAsSteam(Uri address)
{
var client = new HttpClient();
return await client.GetStreamAsync(address);
}
/// <summary>
/// Extracts the binaries from the zip stream and saves them to the current binary folder
/// </summary>
/// <param name="zipStream">steam of the zip file</param>
/// <returns></returns>
internal static IEnumerable<string> ExtractZipAndSave(Stream zipStream)
{
using var archive = new ZipArchive(zipStream, ZipArchiveMode.Read);
List<string> files = new();
foreach (var entry in archive.Entries)
{
if (entry.Name is "ffmpeg" or "ffmpeg.exe" or "ffprobe.exe" or "ffprobe" or "ffplay.exe" or "ffplay")
{
entry.ExtractToFile(Path.Combine(GlobalFFOptions.Current.BinaryFolder, entry.Name), true);
files.Add(Path.Combine(GlobalFFOptions.Current.BinaryFolder, entry.Name));
}
}
return files;
}
}

22
FFMpegCore.Test/DownloaderTests.cs Normal file
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using FFMpegCore.Extensions.Downloader;
using FFMpegCore.Extensions.Downloader.Enums;
namespace FFMpegCore.Test;
[TestClass]
public class DownloaderTests
{
[TestMethod]
public async Task GetSpecificVersionTest()
{
var binaries = await FFMpegDownloader.DownloadFFMpegSuite(FFMpegVersions.V6_1);
Assert.HasCount(2, binaries);
}
[TestMethod]
public async Task GetAllLatestSuiteTest()
{
var binaries = await FFMpegDownloader.DownloadFFMpegSuite();
Assert.HasCount(2, binaries);
}
}

1
FFMpegCore.Test/FFMpegCore.Test.csproj
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@ -24,6 +24,7 @@
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\FFMpegCore.Extensions.Downloader\FFMpegCore.Extensions.Downloader.csproj" />
<ProjectReference Include="..\FFMpegCore.Extensions.SkiaSharp\FFMpegCore.Extensions.SkiaSharp.csproj"/>
<ProjectReference Include="..\FFMpegCore.Extensions.System.Drawing.Common\FFMpegCore.Extensions.System.Drawing.Common.csproj"/>
<ProjectReference Include="..\FFMpegCore\FFMpegCore.csproj"/>

10
FFMpegCore.sln
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@ -1,7 +1,7 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.0.31005.135
# Visual Studio Version 17
VisualStudioVersion = 17.7.34003.232
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FFMpegCore", "FFMpegCore\FFMpegCore.csproj", "{19DE2EC2-9955-4712-8096-C22EF6713E4F}"
EndProject
@ -13,6 +13,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FFMpegCore.Extensions.Syste
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FFMpegCore.Extensions.SkiaSharp", "FFMpegCore.Extensions.SkiaSharp\FFMpegCore.Extensions.SkiaSharp.csproj", "{5A76F9B7-3681-4551-A9B6-8D3AC5DA1090}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FFMpegCore.Extensions.Downloader", "FFMpegCore.Extensions.Downloader\FFMpegCore.Extensions.Downloader.csproj", "{5FA30158-CAB0-44FD-AD98-C31F5E3D5A56}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -39,6 +41,10 @@ Global
{5A76F9B7-3681-4551-A9B6-8D3AC5DA1090}.Debug|Any CPU.Build.0 = Debug|Any CPU
{5A76F9B7-3681-4551-A9B6-8D3AC5DA1090}.Release|Any CPU.ActiveCfg = Release|Any CPU
{5A76F9B7-3681-4551-A9B6-8D3AC5DA1090}.Release|Any CPU.Build.0 = Release|Any CPU
{5FA30158-CAB0-44FD-AD98-C31F5E3D5A56}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{5FA30158-CAB0-44FD-AD98-C31F5E3D5A56}.Debug|Any CPU.Build.0 = Debug|Any CPU
{5FA30158-CAB0-44FD-AD98-C31F5E3D5A56}.Release|Any CPU.ActiveCfg = Release|Any CPU
{5FA30158-CAB0-44FD-AD98-C31F5E3D5A56}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

7
README.md
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@ -184,7 +184,12 @@ If you want to use `System.Drawing.Bitmap`s as `IVideoFrame`s, a `BitmapVideoFra
# Binaries
## Installation
## Runtime Auto Installation
You can install a version of ffmpeg suite at runtime using `FFMpegDownloader.DownloadFFMpegSuite();`
This feature uses the api from [ffbinaries](https://ffbinaries.com/api).
## Manual Installation
If you prefer to manually download them, visit [ffbinaries](https://ffbinaries.com/downloads)
or [zeranoe Windows builds](https://ffmpeg.zeranoe.com/builds/).