Merge branch 'main' into bugfix/ensure-ffmpeg-not-found-throws-ffmpegexception

This commit is contained in:
Malte Rosenbjerg 2024-12-04 20:55:04 +01:00 committed by GitHub
commit d43ea98e0e
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36 changed files with 568 additions and 76 deletions

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@ -22,23 +22,23 @@ jobs:
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: [windows-latest, ubuntu-latest, macos-latest]
os: [windows-latest, ubuntu-latest, macos-13]
timeout-minutes: 7
steps:
- name: Checkout
uses: actions/checkout@v3
uses: actions/checkout@v4
- name: Prepare .NET
uses: actions/setup-dotnet@v3
uses: actions/setup-dotnet@v4
with:
dotnet-version: '7.0.x'
dotnet-version: '8.0.x'
- name: Lint with dotnet
run: dotnet format FFMpegCore.sln --severity warn --verify-no-changes
- name: Prepare FFMpeg
uses: FedericoCarboni/setup-ffmpeg@v2
uses: FedericoCarboni/setup-ffmpeg@v3
with:
token: ${{ secrets.GITHUB_TOKEN }}
@ -47,7 +47,8 @@ jobs:
- if: matrix.os == 'windows-latest'
name: Upload coverage reports to Codecov
uses: codecov/codecov-action@v3
uses: codecov/codecov-action@v5
with:
directory: FFMpegCore.Test/TestResults
fail_ci_if_error: true
directory: FFMpegCore.Test/TestResults
token: ${{ secrets.CODECOV_TOKEN }}

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@ -8,12 +8,12 @@ jobs:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v3
uses: actions/checkout@v4
- name: Prepare .NET
uses: actions/setup-dotnet@v3
uses: actions/setup-dotnet@v4
with:
dotnet-version: '7.0.x'
dotnet-version: '8.0.x'
- name: Build solution
run: dotnet pack FFMpegCore.sln -c Release

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@ -2,7 +2,7 @@
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net8.0</TargetFramework>
<IsPackable>false</IsPackable>
</PropertyGroup>

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@ -9,11 +9,12 @@
</PackageReleaseNotes>
<PackageTags>ffmpeg ffprobe convert video audio mediafile resize analyze muxing skiasharp</PackageTags>
<Authors>Malte Rosenbjerg, Vlad Jerca, Max Bagryantsev, Dimitri Vranken</Authors>
<ProduceReferenceAssembly>true</ProduceReferenceAssembly>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="SkiaSharp" Version="2.88.3" />
<PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="2.88.3" />
<PackageReference Include="SkiaSharp" Version="2.88.6" />
<PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="2.88.6" />
</ItemGroup>
<ItemGroup>

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@ -9,6 +9,7 @@
</PackageReleaseNotes>
<PackageTags>ffmpeg ffprobe convert video audio mediafile resize analyze muxing</PackageTags>
<Authors>Malte Rosenbjerg, Vlad Jerca, Max Bagryantsev</Authors>
<ProduceReferenceAssembly>true</ProduceReferenceAssembly>
</PropertyGroup>
<ItemGroup>

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@ -1,4 +1,5 @@
using FFMpegCore.Arguments;
using System.Drawing;
using FFMpegCore.Arguments;
using FFMpegCore.Enums;
using Microsoft.VisualStudio.TestTools.UnitTesting;
@ -537,5 +538,78 @@ public void Builder_BuildString_PadFilter_Alt()
"-i \"input.mp4\" -vf \"pad=aspect=4/3:x=(ow-iw)/2:y=(oh-ih)/2:color=violet:eval=frame\" \"output.mp4\"",
str);
}
[TestMethod]
public void Builder_BuildString_GifPalette()
{
var streamIndex = 0;
var size = new Size(640, 480);
var str = FFMpegArguments
.FromFileInput("input.mp4")
.OutputToFile("output.gif", false, opt => opt
.WithGifPaletteArgument(streamIndex, size))
.Arguments;
Assert.AreEqual($"""
-i "input.mp4" -filter_complex "[0:v] fps=12,scale=w={size.Width}:h={size.Height},split [a][b];[a] palettegen=max_colors=32 [p];[b][p] paletteuse=dither=bayer" "output.gif"
""", str);
}
[TestMethod]
public void Builder_BuildString_GifPalette_NullSize_FpsSupplied()
{
var streamIndex = 1;
var str = FFMpegArguments
.FromFileInput("input.mp4")
.OutputToFile("output.gif", false, opt => opt
.WithGifPaletteArgument(streamIndex, null, 10))
.Arguments;
Assert.AreEqual($"""
-i "input.mp4" -filter_complex "[{streamIndex}:v] fps=10,split [a][b];[a] palettegen=max_colors=32 [p];[b][p] paletteuse=dither=bayer" "output.gif"
""", str);
}
[TestMethod]
public void Builder_BuildString_MultiOutput()
{
var str = FFMpegArguments.FromFileInput("input.mp4")
.MultiOutput(args => args
.OutputToFile("output.mp4", overwrite: true, args => args.CopyChannel())
.OutputToFile("output.ts", overwrite: false, args => args.CopyChannel().ForceFormat("mpegts"))
.OutputToUrl("http://server/path", options => options.ForceFormat("webm")))
.Arguments;
Assert.AreEqual($"""
-i "input.mp4" -c:a copy -c:v copy "output.mp4" -y -c:a copy -c:v copy -f mpegts "output.ts" -f webm http://server/path
""", str);
}
[TestMethod]
public void Builder_BuildString_MBROutput()
{
var str = FFMpegArguments.FromFileInput("input.mp4")
.MultiOutput(args => args
.OutputToFile("sd.mp4", overwrite: true, args => args.Resize(1200, 720))
.OutputToFile("hd.mp4", overwrite: false, args => args.Resize(1920, 1080)))
.Arguments;
Assert.AreEqual($"""
-i "input.mp4" -s 1200x720 "sd.mp4" -y -s 1920x1080 "hd.mp4"
""", str);
}
[TestMethod]
public void Builder_BuildString_TeeOutput()
{
var str = FFMpegArguments.FromFileInput("input.mp4")
.OutputToTee(args => args
.OutputToFile("output.mp4", overwrite: false, args => args.WithFastStart())
.OutputToUrl("http://server/path", options => options.ForceFormat("mpegts").SelectStream(0, channel: Channel.Video)))
.Arguments;
Assert.AreEqual($"""
-i "input.mp4" -f tee "[movflags=faststart]output.mp4|[f=mpegts:select=\'0:v:0\']http://server/path"
""", str);
}
}
}

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@ -1,26 +1,26 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net8.0</TargetFramework>
<IsPackable>false</IsPackable>
<Nullable>disable</Nullable>
<LangVersion>default</LangVersion>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="coverlet.collector" Version="3.2.0">
<PackageReference Include="coverlet.collector" Version="6.0.2">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="FluentAssertions" Version="6.10.0" />
<PackageReference Include="GitHubActionsTestLogger" Version="2.0.1">
<PackageReference Include="FluentAssertions" Version="7.0.0" />
<PackageReference Include="GitHubActionsTestLogger" Version="2.4.1">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
<PackageReference Include="MSTest.TestAdapter" Version="3.0.2" />
<PackageReference Include="MSTest.TestFramework" Version="3.0.2" />
<PackageReference Include="SkiaSharp" Version="2.88.3" />
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
<PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
<PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
<PackageReference Include="SkiaSharp" Version="2.88.6" />
</ItemGroup>
<ItemGroup>
@ -51,9 +51,15 @@
<None Update="Resources\input_3sec_rotation_90deg.mp4">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<None Update="Resources\input_3sec_rotation_negative_90deg.mp4">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<None Update="Resources\input_audio_only_10sec.mp4">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<None Update="Resources\input_hdr.mov">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<None Update="Resources\input_video_only_3sec.mp4">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>

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@ -46,7 +46,7 @@ public async Task PacketAnalysis_Async()
var packets = packetAnalysis.Packets;
Assert.AreEqual(96, packets.Count);
Assert.IsTrue(packets.All(f => f.CodecType == "video"));
Assert.AreEqual("K_", packets[0].Flags);
Assert.IsTrue(packets[0].Flags.StartsWith("K_"));
Assert.AreEqual(1362, packets.Last().Size);
}
@ -57,7 +57,7 @@ public void PacketAnalysis_Sync()
Assert.AreEqual(96, packets.Count);
Assert.IsTrue(packets.All(f => f.CodecType == "video"));
Assert.AreEqual("K_", packets[0].Flags);
Assert.IsTrue(packets[0].Flags.StartsWith("K_"));
Assert.AreEqual(1362, packets.Last().Size);
}
@ -70,7 +70,7 @@ public void PacketAnalysisAudioVideo_Sync()
var actual = packets.Select(f => f.CodecType).Distinct().ToList();
var expected = new List<string> { "audio", "video" };
CollectionAssert.AreEquivalent(expected, actual);
Assert.IsTrue(packets.Where(t => t.CodecType == "audio").All(f => f.Flags == "K_"));
Assert.IsTrue(packets.Where(t => t.CodecType == "audio").All(f => f.Flags.StartsWith("K_")));
Assert.AreEqual(75, packets.Count(t => t.CodecType == "video"));
Assert.AreEqual(141, packets.Count(t => t.CodecType == "audio"));
}
@ -105,6 +105,7 @@ public void Probe_Success()
{
var info = FFProbe.Analyse(TestResources.Mp4Video);
Assert.AreEqual(3, info.Duration.Seconds);
Assert.AreEqual(0, info.Chapters.Count);
Assert.AreEqual("5.1", info.PrimaryAudioStream!.ChannelLayout);
Assert.AreEqual(6, info.PrimaryAudioStream.Channels);
@ -122,6 +123,7 @@ public void Probe_Success()
Assert.AreEqual(1, info.PrimaryVideoStream.SampleAspectRatio.Width);
Assert.AreEqual(1, info.PrimaryVideoStream.SampleAspectRatio.Height);
Assert.AreEqual("yuv420p", info.PrimaryVideoStream.PixelFormat);
Assert.AreEqual(31, info.PrimaryVideoStream.Level);
Assert.AreEqual(1280, info.PrimaryVideoStream.Width);
Assert.AreEqual(720, info.PrimaryVideoStream.Height);
Assert.AreEqual(25, info.PrimaryVideoStream.AvgFrameRate);
@ -144,6 +146,13 @@ public void Probe_Rotation()
Assert.AreEqual(90, info.PrimaryVideoStream.Rotation);
}
[TestMethod]
public void Probe_Rotation_Negative_Value()
{
var info = FFProbe.Analyse(TestResources.Mp4VideoRotationNegative);
Assert.AreEqual(-90, info.PrimaryVideoStream.Rotation);
}
[TestMethod, Timeout(10000)]
public async Task Probe_Async_Success()
{
@ -172,6 +181,18 @@ public async Task Probe_Success_FromStream_Async()
Assert.AreEqual(3, info.Duration.Seconds);
}
[TestMethod, Timeout(10000)]
public void Probe_HDR()
{
var info = FFProbe.Analyse(TestResources.HdrVideo);
Assert.IsNotNull(info.PrimaryVideoStream);
Assert.AreEqual("tv", info.PrimaryVideoStream.ColorRange);
Assert.AreEqual("bt2020nc", info.PrimaryVideoStream.ColorSpace);
Assert.AreEqual("arib-std-b67", info.PrimaryVideoStream.ColorTransfer);
Assert.AreEqual("bt2020", info.PrimaryVideoStream.ColorPrimaries);
}
[TestMethod, Timeout(10000)]
public async Task Probe_Success_Subtitle_Async()
{
@ -235,5 +256,12 @@ public async Task Probe_Success_32BitWavBitDepth_Async()
Assert.IsNotNull(info.PrimaryAudioStream);
Assert.AreEqual(32, info.PrimaryAudioStream.BitDepth);
}
[TestMethod]
public void Probe_Success_Custom_Arguments()
{
var info = FFProbe.Analyse(TestResources.Mp4Video, customArguments: "-headers \"Hello: World\"");
Assert.AreEqual(3, info.Duration.Seconds);
}
}
}

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@ -4,7 +4,9 @@ public static class TestResources
{
public static readonly string Mp4Video = "./Resources/input_3sec.mp4";
public static readonly string Mp4VideoRotation = "./Resources/input_3sec_rotation_90deg.mp4";
public static readonly string Mp4VideoRotationNegative = "./Resources/input_3sec_rotation_negative_90deg.mp4";
public static readonly string WebmVideo = "./Resources/input_3sec.webm";
public static readonly string HdrVideo = "./Resources/input_hdr.mov";
public static readonly string Mp4WithoutVideo = "./Resources/input_audio_only_10sec.mp4";
public static readonly string Mp4WithoutAudio = "./Resources/input_video_only_3sec.mp4";
public static readonly string RawAudio = "./Resources/audio.raw";

Binary file not shown.

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@ -1,4 +1,5 @@
using System.Drawing.Imaging;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.Versioning;
using System.Text;
using FFMpegCore.Arguments;
@ -479,6 +480,79 @@ public void Video_Snapshot_PersistSnapshot()
Assert.AreEqual("png", analysis.PrimaryVideoStream!.CodecName);
}
[TestMethod, Timeout(BaseTimeoutMilliseconds)]
public void Video_Snapshot_Rotated_PersistSnapshot()
{
using var outputPath = new TemporaryFile("out.png");
var size = new Size(360, 0); // half the size of original video, keeping height 0 for keeping aspect ratio
FFMpeg.Snapshot(TestResources.Mp4VideoRotationNegative, outputPath, size);
var analysis = FFProbe.Analyse(outputPath);
Assert.AreEqual(size.Width, analysis.PrimaryVideoStream!.Width);
Assert.AreEqual(1280 / 2, analysis.PrimaryVideoStream!.Height);
Assert.AreEqual(0, analysis.PrimaryVideoStream!.Rotation);
Assert.AreEqual("png", analysis.PrimaryVideoStream!.CodecName);
}
[TestMethod, Timeout(BaseTimeoutMilliseconds)]
public void Video_GifSnapshot_PersistSnapshot()
{
using var outputPath = new TemporaryFile("out.gif");
var input = FFProbe.Analyse(TestResources.Mp4Video);
FFMpeg.GifSnapshot(TestResources.Mp4Video, outputPath, captureTime: TimeSpan.FromSeconds(0));
var analysis = FFProbe.Analyse(outputPath);
Assert.AreNotEqual(input.PrimaryVideoStream!.Width, analysis.PrimaryVideoStream!.Width);
Assert.AreNotEqual(input.PrimaryVideoStream.Height, analysis.PrimaryVideoStream!.Height);
Assert.AreEqual("gif", analysis.PrimaryVideoStream!.CodecName);
}
[TestMethod, Timeout(BaseTimeoutMilliseconds)]
public void Video_GifSnapshot_PersistSnapshot_SizeSupplied()
{
using var outputPath = new TemporaryFile("out.gif");
var input = FFProbe.Analyse(TestResources.Mp4Video);
var desiredGifSize = new Size(320, 240);
FFMpeg.GifSnapshot(TestResources.Mp4Video, outputPath, desiredGifSize, captureTime: TimeSpan.FromSeconds(0));
var analysis = FFProbe.Analyse(outputPath);
Assert.AreNotEqual(input.PrimaryVideoStream!.Width, desiredGifSize.Width);
Assert.AreNotEqual(input.PrimaryVideoStream.Height, desiredGifSize.Height);
Assert.AreEqual("gif", analysis.PrimaryVideoStream!.CodecName);
}
[TestMethod, Timeout(BaseTimeoutMilliseconds)]
public async Task Video_GifSnapshot_PersistSnapshotAsync()
{
using var outputPath = new TemporaryFile("out.gif");
var input = FFProbe.Analyse(TestResources.Mp4Video);
await FFMpeg.GifSnapshotAsync(TestResources.Mp4Video, outputPath, captureTime: TimeSpan.FromSeconds(0));
var analysis = FFProbe.Analyse(outputPath);
Assert.AreNotEqual(input.PrimaryVideoStream!.Width, analysis.PrimaryVideoStream!.Width);
Assert.AreNotEqual(input.PrimaryVideoStream.Height, analysis.PrimaryVideoStream!.Height);
Assert.AreEqual("gif", analysis.PrimaryVideoStream!.CodecName);
}
[TestMethod, Timeout(BaseTimeoutMilliseconds)]
public async Task Video_GifSnapshot_PersistSnapshotAsync_SizeSupplied()
{
using var outputPath = new TemporaryFile("out.gif");
var input = FFProbe.Analyse(TestResources.Mp4Video);
var desiredGifSize = new Size(320, 240);
await FFMpeg.GifSnapshotAsync(TestResources.Mp4Video, outputPath, desiredGifSize, captureTime: TimeSpan.FromSeconds(0));
var analysis = FFProbe.Analyse(outputPath);
Assert.AreNotEqual(input.PrimaryVideoStream!.Width, desiredGifSize.Width);
Assert.AreNotEqual(input.PrimaryVideoStream.Height, desiredGifSize.Height);
Assert.AreEqual("gif", analysis.PrimaryVideoStream!.CodecName);
}
[TestMethod, Timeout(BaseTimeoutMilliseconds)]
public void Video_Join()
{

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@ -0,0 +1,10 @@
namespace FFMpegCore.Arguments
{
/// <summary>
/// Represents a copy codec parameter
/// </summary>
public class CopyCodecArgument : IArgument
{
public string Text => $"-codec copy";
}
}

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@ -0,0 +1,24 @@
using System.Drawing;
namespace FFMpegCore.Arguments
{
public class GifPaletteArgument : IArgument
{
private readonly int _streamIndex;
private readonly int _fps;
private readonly Size? _size;
public GifPaletteArgument(int streamIndex, int fps, Size? size)
{
_streamIndex = streamIndex;
_fps = fps;
_size = size;
}
private string ScaleText => _size.HasValue ? $"scale=w={_size.Value.Width}:h={_size.Value.Height}," : string.Empty;
public string Text => $"-filter_complex \"[{_streamIndex}:v] fps={_fps},{ScaleText}split [a][b];[a] palettegen=max_colors=32 [p];[b][p] paletteuse=dither=bayer\"";
}
}

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@ -0,0 +1,57 @@

namespace FFMpegCore.Arguments
{
internal class OutputTeeArgument : IOutputArgument
{
private readonly FFMpegMultiOutputOptions _options;
public OutputTeeArgument(FFMpegMultiOutputOptions options)
{
if (options.Outputs.Count == 0)
{
throw new ArgumentException("Atleast one output must be specified.", nameof(options));
}
_options = options;
}
public string Text => $"-f tee \"{string.Join("|", _options.Outputs.Select(MapOptions))}\"";
public Task During(CancellationToken cancellationToken = default) => Task.CompletedTask;
public void Post()
{
}
public void Pre()
{
}
private static string MapOptions(FFMpegArgumentOptions option)
{
var optionPrefix = string.Empty;
if (option.Arguments.Count > 1)
{
var options = option.Arguments.Take(option.Arguments.Count - 1);
optionPrefix = $"[{string.Join(":", options.Select(MapArgument))}]";
}
var output = option.Arguments.OfType<IOutputArgument>().Single();
return $"{optionPrefix}{output.Text.Trim('"')}";
}
private static string MapArgument(IArgument argument)
{
if (argument is MapStreamArgument map)
{
return map.Text.Replace("-map ", "select=\\'") + "\\'";
}
else if (argument is BitStreamFilterArgument bitstreamFilter)
{
return bitstreamFilter.Text.Replace("-bsf:", "bsfs/").Replace(' ', '=');
}
return argument.Text.TrimStart('-').Replace(' ', '=');
}
}
}

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@ -6,6 +6,8 @@ public class ChapterData
public TimeSpan Start { get; private set; }
public TimeSpan End { get; private set; }
public TimeSpan Duration => End - Start;
public ChapterData(string title, TimeSpan start, TimeSpan end)
{
Title = title;

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@ -17,6 +17,7 @@ public static class VideoCodec
public static Codec LibTheora => FFMpeg.GetCodec("libtheora");
public static Codec Png => FFMpeg.GetCodec("png");
public static Codec MpegTs => FFMpeg.GetCodec("mpegts");
public static Codec LibaomAv1 => FFMpeg.GetCodec("libaom-av1");
}
public static class AudioCodec

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@ -20,5 +20,6 @@ public static string Extension(this Codec type)
public static readonly string WebM = VideoType.WebM.Extension;
public static readonly string Png = ".png";
public static readonly string Mp3 = ".mp3";
public static readonly string Gif = ".gif";
}
}

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@ -57,6 +57,36 @@ public static async Task<bool> SnapshotAsync(string input, string output, Size?
.ProcessAsynchronously();
}
public static bool GifSnapshot(string input, string output, Size? size = null, TimeSpan? captureTime = null, TimeSpan? duration = null, int? streamIndex = null)
{
if (Path.GetExtension(output)?.ToLower() != FileExtension.Gif)
{
output = Path.Combine(Path.GetDirectoryName(output), Path.GetFileNameWithoutExtension(output) + FileExtension.Gif);
}
var source = FFProbe.Analyse(input);
var (arguments, outputOptions) = SnapshotArgumentBuilder.BuildGifSnapshotArguments(input, source, size, captureTime, duration, streamIndex);
return arguments
.OutputToFile(output, true, outputOptions)
.ProcessSynchronously();
}
public static async Task<bool> GifSnapshotAsync(string input, string output, Size? size = null, TimeSpan? captureTime = null, TimeSpan? duration = null, int? streamIndex = null)
{
if (Path.GetExtension(output)?.ToLower() != FileExtension.Gif)
{
output = Path.Combine(Path.GetDirectoryName(output), Path.GetFileNameWithoutExtension(output) + FileExtension.Gif);
}
var source = await FFProbe.AnalyseAsync(input).ConfigureAwait(false);
var (arguments, outputOptions) = SnapshotArgumentBuilder.BuildGifSnapshotArguments(input, source, size, captureTime, duration, streamIndex);
return await arguments
.OutputToFile(output, true, outputOptions)
.ProcessAsynchronously();
}
/// <summary>
/// Converts an image sequence to a video.
/// </summary>
@ -303,7 +333,10 @@ public static bool SaveM3U8Stream(Uri uri, string output)
}
return FFMpegArguments
.FromUrlInput(uri)
.FromUrlInput(uri, options =>
{
options.WithCopyCodec();
})
.OutputToFile(output)
.ProcessSynchronously();
}

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@ -76,6 +76,8 @@ public FFMpegArgumentOptions DeselectStreams(IEnumerable<int> streamIndices, int
public FFMpegArgumentOptions WithAudibleEncryptionKeys(string key, string iv) => WithArgument(new AudibleEncryptionKeyArgument(key, iv));
public FFMpegArgumentOptions WithAudibleActivationBytes(string activationBytes) => WithArgument(new AudibleEncryptionKeyArgument(activationBytes));
public FFMpegArgumentOptions WithTagVersion(int id3v2Version = 3) => WithArgument(new ID3V2VersionArgument(id3v2Version));
public FFMpegArgumentOptions WithGifPaletteArgument(int streamIndex, Size? size, int fps = 12) => WithArgument(new GifPaletteArgument(streamIndex, fps, size));
public FFMpegArgumentOptions WithCopyCodec() => WithArgument(new CopyCodecArgument());
public FFMpegArgumentOptions WithArgument(IArgument argument)
{

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@ -1,5 +1,4 @@
using System.Diagnostics;
using System.Globalization;
using System.Text.RegularExpressions;
using FFMpegCore.Enums;
using FFMpegCore.Exceptions;
@ -263,7 +262,7 @@ private void ErrorData(object sender, string msg)
return;
}
var processed = TimeSpan.Parse(match.Groups[1].Value, CultureInfo.InvariantCulture);
var processed = MediaAnalysisUtils.ParseDuration(match.Groups[1].Value);
_onTimeProgress?.Invoke(processed);
if (_onPercentageProgress == null || _totalTimespan == null)

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@ -71,6 +71,21 @@ private FFMpegArgumentProcessor ToProcessor(IOutputArgument argument, Action<FFM
return new FFMpegArgumentProcessor(this);
}
public FFMpegArgumentProcessor OutputToTee(Action<FFMpegMultiOutputOptions> addOutputs, Action<FFMpegArgumentOptions>? addArguments = null)
{
var outputs = new FFMpegMultiOutputOptions();
addOutputs(outputs);
return ToProcessor(new OutputTeeArgument(outputs), addArguments);
}
public FFMpegArgumentProcessor MultiOutput(Action<FFMpegMultiOutputOptions> addOutputs)
{
var args = new FFMpegMultiOutputOptions();
addOutputs(args);
Arguments.AddRange(args.Arguments);
return new FFMpegArgumentProcessor(this);
}
internal void Pre()
{
foreach (var argument in Arguments.OfType<IInputOutputArgument>())

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@ -0,0 +1,29 @@
using FFMpegCore.Arguments;
using FFMpegCore.Pipes;
namespace FFMpegCore
{
public class FFMpegMultiOutputOptions
{
internal readonly List<FFMpegArgumentOptions> Outputs = new();
public IEnumerable<IArgument> Arguments => Outputs.SelectMany(o => o.Arguments);
public FFMpegMultiOutputOptions OutputToFile(string file, bool overwrite = true, Action<FFMpegArgumentOptions>? addArguments = null) => AddOutput(new OutputArgument(file, overwrite), addArguments);
public FFMpegMultiOutputOptions OutputToUrl(string uri, Action<FFMpegArgumentOptions>? addArguments = null) => AddOutput(new OutputUrlArgument(uri), addArguments);
public FFMpegMultiOutputOptions OutputToUrl(Uri uri, Action<FFMpegArgumentOptions>? addArguments = null) => AddOutput(new OutputUrlArgument(uri.ToString()), addArguments);
public FFMpegMultiOutputOptions OutputToPipe(IPipeSink reader, Action<FFMpegArgumentOptions>? addArguments = null) => AddOutput(new OutputPipeArgument(reader), addArguments);
public FFMpegMultiOutputOptions AddOutput(IOutputArgument argument, Action<FFMpegArgumentOptions>? addArguments)
{
var args = new FFMpegArgumentOptions();
addArguments?.Invoke(args);
args.Arguments.Add(argument);
Outputs.Add(args);
return this;
}
}
}

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@ -27,7 +27,7 @@ public string GetStreamArguments()
public async Task WriteAsync(Stream outputStream, CancellationToken cancellationToken)
{
if (_sampleEnumerator.Current != null)
if (_sampleEnumerator.MoveNext() && _sampleEnumerator.Current != null)
{
await _sampleEnumerator.Current.SerializeAsync(outputStream, cancellationToken).ConfigureAwait(false);
}

View file

@ -31,6 +31,31 @@ public static (FFMpegArguments, Action<FFMpegArgumentOptions> outputOptions) Bui
.Resize(size));
}
public static (FFMpegArguments, Action<FFMpegArgumentOptions> outputOptions) BuildGifSnapshotArguments(
string input,
IMediaAnalysis source,
Size? size = null,
TimeSpan? captureTime = null,
TimeSpan? duration = null,
int? streamIndex = null,
int fps = 12)
{
var defaultGifOutputSize = new Size(480, -1);
captureTime ??= TimeSpan.FromSeconds(source.Duration.TotalSeconds / 3);
size = PrepareSnapshotSize(source, size) ?? defaultGifOutputSize;
streamIndex ??= source.PrimaryVideoStream?.Index
?? source.VideoStreams.FirstOrDefault()?.Index
?? 0;
return (FFMpegArguments
.FromFileInput(input, false, options => options
.Seek(captureTime)
.WithDuration(duration)),
options => options
.WithGifPaletteArgument((int)streamIndex, size, fps));
}
private static Size? PrepareSnapshotSize(IMediaAnalysis source, Size? wantedSize)
{
if (wantedSize == null || (wantedSize.Value.Height <= 0 && wantedSize.Value.Width <= 0) || source.PrimaryVideoStream == null)
@ -39,7 +64,7 @@ public static (FFMpegArguments, Action<FFMpegArgumentOptions> outputOptions) Bui
}
var currentSize = new Size(source.PrimaryVideoStream.Width, source.PrimaryVideoStream.Height);
if (source.PrimaryVideoStream.Rotation == 90 || source.PrimaryVideoStream.Rotation == 180)
if (IsRotated(source.PrimaryVideoStream.Rotation))
{
currentSize = new Size(source.PrimaryVideoStream.Height, source.PrimaryVideoStream.Width);
}
@ -63,4 +88,10 @@ public static (FFMpegArguments, Action<FFMpegArgumentOptions> outputOptions) Bui
return null;
}
private static bool IsRotated(int rotation)
{
var absRotation = Math.Abs(rotation);
return absRotation == 90 || absRotation == 180;
}
}

View file

@ -3,7 +3,7 @@
<PropertyGroup>
<IsPackable>true</IsPackable>
<Description>A .NET Standard FFMpeg/FFProbe wrapper for easily integrating media analysis and conversion into your .NET applications</Description>
<PackageVersion>5.0.2</PackageVersion>
<PackageVersion>5.1.0</PackageVersion>
<PackageOutputPath>../nupkg</PackageOutputPath>
<PackageReleaseNotes>
</PackageReleaseNotes>
@ -18,7 +18,7 @@
<ItemGroup>
<PackageReference Include="Instances" Version="3.0.0" />
<PackageReference Include="System.Text.Json" Version="7.0.2" />
<PackageReference Include="System.Text.Json" Version="9.0.0" />
</ItemGroup>
</Project>

View file

@ -1,4 +1,5 @@
using System.Text;
using System.Text.Json.Serialization;
using FFMpegCore.Enums;
namespace FFMpegCore
@ -20,10 +21,20 @@ public class FFOptions : ICloneable
/// </summary>
public string TemporaryFilesFolder { get; set; } = Path.GetTempPath();
/// <summary>
/// Encoding web name used to persist encoding <see cref="Encoding"/>
/// </summary>
public string EncodingWebName { get; set; } = Encoding.Default.WebName;
/// <summary>
/// Encoding used for parsing stdout/stderr on ffmpeg and ffprobe processes
/// </summary>
public Encoding Encoding { get; set; } = Encoding.Default;
[JsonIgnore]
public Encoding Encoding
{
get => Encoding.GetEncoding(EncodingWebName);
set => EncodingWebName = value?.WebName ?? Encoding.Default.WebName;
}
/// <summary>
/// The log level to use when calling of the ffmpeg executable.

View file

@ -10,52 +10,52 @@ namespace FFMpegCore
{
public static class FFProbe
{
public static IMediaAnalysis Analyse(string filePath, FFOptions? ffOptions = null)
public static IMediaAnalysis Analyse(string filePath, FFOptions? ffOptions = null, string? customArguments = null)
{
ThrowIfInputFileDoesNotExist(filePath);
var processArguments = PrepareStreamAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var processArguments = PrepareStreamAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = processArguments.StartAndWaitForExit();
ThrowIfExitCodeNotZero(result);
return ParseOutput(result);
}
public static FFProbeFrames GetFrames(string filePath, FFOptions? ffOptions = null)
public static FFProbeFrames GetFrames(string filePath, FFOptions? ffOptions = null, string? customArguments = null)
{
ThrowIfInputFileDoesNotExist(filePath);
var instance = PrepareFrameAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareFrameAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = instance.StartAndWaitForExit();
ThrowIfExitCodeNotZero(result);
return ParseFramesOutput(result);
}
public static FFProbePackets GetPackets(string filePath, FFOptions? ffOptions = null)
public static FFProbePackets GetPackets(string filePath, FFOptions? ffOptions = null, string? customArguments = null)
{
ThrowIfInputFileDoesNotExist(filePath);
var instance = PreparePacketAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var instance = PreparePacketAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = instance.StartAndWaitForExit();
ThrowIfExitCodeNotZero(result);
return ParsePacketsOutput(result);
}
public static IMediaAnalysis Analyse(Uri uri, FFOptions? ffOptions = null)
public static IMediaAnalysis Analyse(Uri uri, FFOptions? ffOptions = null, string? customArguments = null)
{
var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = instance.StartAndWaitForExit();
ThrowIfExitCodeNotZero(result);
return ParseOutput(result);
}
public static IMediaAnalysis Analyse(Stream stream, FFOptions? ffOptions = null)
public static IMediaAnalysis Analyse(Stream stream, FFOptions? ffOptions = null, string? customArguments = null)
{
var streamPipeSource = new StreamPipeSource(stream);
var pipeArgument = new InputPipeArgument(streamPipeSource);
var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
pipeArgument.Pre();
var task = instance.StartAndWaitForExitAsync();
@ -75,57 +75,57 @@ public static IMediaAnalysis Analyse(Stream stream, FFOptions? ffOptions = null)
return ParseOutput(result);
}
public static async Task<IMediaAnalysis> AnalyseAsync(string filePath, FFOptions? ffOptions = null, CancellationToken cancellationToken = default)
public static async Task<IMediaAnalysis> AnalyseAsync(string filePath, FFOptions? ffOptions = null, CancellationToken cancellationToken = default, string? customArguments = null)
{
ThrowIfInputFileDoesNotExist(filePath);
var instance = PrepareStreamAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareStreamAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = await instance.StartAndWaitForExitAsync(cancellationToken).ConfigureAwait(false);
ThrowIfExitCodeNotZero(result);
return ParseOutput(result);
}
public static FFProbeFrames GetFrames(Uri uri, FFOptions? ffOptions = null)
public static FFProbeFrames GetFrames(Uri uri, FFOptions? ffOptions = null, string? customArguments = null)
{
var instance = PrepareFrameAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareFrameAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = instance.StartAndWaitForExit();
ThrowIfExitCodeNotZero(result);
return ParseFramesOutput(result);
}
public static async Task<FFProbeFrames> GetFramesAsync(string filePath, FFOptions? ffOptions = null, CancellationToken cancellationToken = default)
public static async Task<FFProbeFrames> GetFramesAsync(string filePath, FFOptions? ffOptions = null, CancellationToken cancellationToken = default, string? customArguments = null)
{
ThrowIfInputFileDoesNotExist(filePath);
var instance = PrepareFrameAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareFrameAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = await instance.StartAndWaitForExitAsync(cancellationToken).ConfigureAwait(false);
return ParseFramesOutput(result);
}
public static async Task<FFProbePackets> GetPacketsAsync(string filePath, FFOptions? ffOptions = null, CancellationToken cancellationToken = default)
public static async Task<FFProbePackets> GetPacketsAsync(string filePath, FFOptions? ffOptions = null, CancellationToken cancellationToken = default, string? customArguments = null)
{
ThrowIfInputFileDoesNotExist(filePath);
var instance = PreparePacketAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var instance = PreparePacketAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = await instance.StartAndWaitForExitAsync(cancellationToken).ConfigureAwait(false);
return ParsePacketsOutput(result);
}
public static async Task<IMediaAnalysis> AnalyseAsync(Uri uri, FFOptions? ffOptions = null, CancellationToken cancellationToken = default)
public static async Task<IMediaAnalysis> AnalyseAsync(Uri uri, FFOptions? ffOptions = null, CancellationToken cancellationToken = default, string? customArguments = null)
{
var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = await instance.StartAndWaitForExitAsync(cancellationToken).ConfigureAwait(false);
ThrowIfExitCodeNotZero(result);
return ParseOutput(result);
}
public static async Task<IMediaAnalysis> AnalyseAsync(Stream stream, FFOptions? ffOptions = null, CancellationToken cancellationToken = default)
public static async Task<IMediaAnalysis> AnalyseAsync(Stream stream, FFOptions? ffOptions = null, CancellationToken cancellationToken = default, string? customArguments = null)
{
var streamPipeSource = new StreamPipeSource(stream);
var pipeArgument = new InputPipeArgument(streamPipeSource);
var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, ffOptions ?? GlobalFFOptions.Current, customArguments);
pipeArgument.Pre();
var task = instance.StartAndWaitForExitAsync(cancellationToken);
@ -148,9 +148,9 @@ public static async Task<IMediaAnalysis> AnalyseAsync(Stream stream, FFOptions?
return ParseOutput(result);
}
public static async Task<FFProbeFrames> GetFramesAsync(Uri uri, FFOptions? ffOptions = null, CancellationToken cancellationToken = default)
public static async Task<FFProbeFrames> GetFramesAsync(Uri uri, FFOptions? ffOptions = null, CancellationToken cancellationToken = default, string? customArguments = null)
{
var instance = PrepareFrameAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareFrameAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current, customArguments);
var result = await instance.StartAndWaitForExitAsync(cancellationToken).ConfigureAwait(false);
return ParseFramesOutput(result);
}
@ -212,18 +212,18 @@ private static void ThrowIfExitCodeNotZero(IProcessResult result)
}
}
private static ProcessArguments PrepareStreamAnalysisInstance(string filePath, FFOptions ffOptions)
=> PrepareInstance($"-loglevel error -print_format json -show_format -sexagesimal -show_streams \"{filePath}\"", ffOptions);
private static ProcessArguments PrepareFrameAnalysisInstance(string filePath, FFOptions ffOptions)
=> PrepareInstance($"-loglevel error -print_format json -show_frames -v quiet -sexagesimal \"{filePath}\"", ffOptions);
private static ProcessArguments PreparePacketAnalysisInstance(string filePath, FFOptions ffOptions)
=> PrepareInstance($"-loglevel error -print_format json -show_packets -v quiet -sexagesimal \"{filePath}\"", ffOptions);
private static ProcessArguments PrepareStreamAnalysisInstance(string filePath, FFOptions ffOptions, string? customArguments)
=> PrepareInstance($"-loglevel error -print_format json -show_format -sexagesimal -show_streams -show_chapters \"{filePath}\"", ffOptions, customArguments);
private static ProcessArguments PrepareFrameAnalysisInstance(string filePath, FFOptions ffOptions, string? customArguments)
=> PrepareInstance($"-loglevel error -print_format json -show_frames -v quiet -sexagesimal \"{filePath}\"", ffOptions, customArguments);
private static ProcessArguments PreparePacketAnalysisInstance(string filePath, FFOptions ffOptions, string? customArguments)
=> PrepareInstance($"-loglevel error -print_format json -show_packets -v quiet -sexagesimal \"{filePath}\"", ffOptions, customArguments);
private static ProcessArguments PrepareInstance(string arguments, FFOptions ffOptions)
private static ProcessArguments PrepareInstance(string arguments, FFOptions ffOptions, string? customArguments)
{
FFProbeHelper.RootExceptionCheck();
FFProbeHelper.VerifyFFProbeExists(ffOptions);
var startInfo = new ProcessStartInfo(GlobalFFOptions.GetFFProbeBinaryPath(ffOptions), arguments)
var startInfo = new ProcessStartInfo(GlobalFFOptions.GetFFProbeBinaryPath(ffOptions), $"{arguments} {customArguments}")
{
StandardOutputEncoding = ffOptions.Encoding,
StandardErrorEncoding = ffOptions.Encoding,

View file

@ -11,6 +11,9 @@ public class FFProbeAnalysis
[JsonPropertyName("format")]
public Format Format { get; set; } = null!;
[JsonPropertyName("chapters")]
public List<Chapter> Chapters { get; set; } = null!;
[JsonIgnore]
public IReadOnlyList<string> ErrorData { get; set; } = new List<string>();
}
@ -80,6 +83,9 @@ public class FFProbeStream : ITagsContainer, IDispositionContainer
[JsonPropertyName("pix_fmt")]
public string PixelFormat { get; set; } = null!;
[JsonPropertyName("level")]
public int Level { get; set; }
[JsonPropertyName("sample_rate")]
public string SampleRate { get; set; } = null!;
@ -87,10 +93,22 @@ public class FFProbeStream : ITagsContainer, IDispositionContainer
public Dictionary<string, int> Disposition { get; set; } = null!;
[JsonPropertyName("tags")]
public Dictionary<string, string> Tags { get; set; } = null!;
public Dictionary<string, string>? Tags { get; set; }
[JsonPropertyName("side_data_list")]
public List<Dictionary<string, JsonValue>> SideData { get; set; } = null!;
[JsonPropertyName("color_range")]
public string ColorRange { get; set; } = null!;
[JsonPropertyName("color_space")]
public string ColorSpace { get; set; } = null!;
[JsonPropertyName("color_transfer")]
public string ColorTransfer { get; set; } = null!;
[JsonPropertyName("color_primaries")]
public string ColorPrimaries { get; set; } = null!;
}
public class Format : ITagsContainer
@ -126,7 +144,31 @@ public class Format : ITagsContainer
public int ProbeScore { get; set; }
[JsonPropertyName("tags")]
public Dictionary<string, string> Tags { get; set; } = null!;
public Dictionary<string, string>? Tags { get; set; }
}
public class Chapter : ITagsContainer
{
[JsonPropertyName("id")]
public long Id { get; set; }
[JsonPropertyName("time_base")]
public string TimeBase { get; set; } = null!;
[JsonPropertyName("start")]
public long Start { get; set; }
[JsonPropertyName("start_time")]
public string StartTime { get; set; } = null!;
[JsonPropertyName("end")]
public long End { get; set; }
[JsonPropertyName("end_time")]
public string EndTime { get; set; } = null!;
[JsonPropertyName("tags")]
public Dictionary<string, string>? Tags { get; set; }
}
public interface IDispositionContainer
@ -136,7 +178,7 @@ public interface IDispositionContainer
public interface ITagsContainer
{
Dictionary<string, string> Tags { get; set; }
Dictionary<string, string>? Tags { get; set; }
}
public static class TagExtensions

View file

@ -1,9 +1,12 @@
namespace FFMpegCore
using FFMpegCore.Builders.MetaData;
namespace FFMpegCore
{
public interface IMediaAnalysis
{
TimeSpan Duration { get; }
MediaFormat Format { get; }
List<ChapterData> Chapters { get; }
AudioStream? PrimaryAudioStream { get; }
VideoStream? PrimaryVideoStream { get; }
SubtitleStream? PrimarySubtitleStream { get; }

View file

@ -1,4 +1,5 @@
using System.Text.RegularExpressions;
using FFMpegCore.Builders.MetaData;
namespace FFMpegCore
{
@ -7,6 +8,7 @@ internal class MediaAnalysis : IMediaAnalysis
internal MediaAnalysis(FFProbeAnalysis analysis)
{
Format = ParseFormat(analysis.Format);
Chapters = analysis.Chapters.Select(c => ParseChapter(c)).ToList();
VideoStreams = analysis.Streams.Where(stream => stream.CodecType == "video").Select(ParseVideoStream).ToList();
AudioStreams = analysis.Streams.Where(stream => stream.CodecType == "audio").Select(ParseAudioStream).ToList();
SubtitleStreams = analysis.Streams.Where(stream => stream.CodecType == "subtitle").Select(ParseSubtitleStream).ToList();
@ -28,6 +30,15 @@ private MediaFormat ParseFormat(Format analysisFormat)
};
}
private ChapterData ParseChapter(Chapter analysisChapter)
{
var title = analysisChapter.Tags.FirstOrDefault(t => t.Key == "title").Value;
var start = MediaAnalysisUtils.ParseDuration(analysisChapter.StartTime);
var end = MediaAnalysisUtils.ParseDuration(analysisChapter.EndTime);
return new ChapterData(title, start, end);
}
public TimeSpan Duration => new[]
{
Format.Duration,
@ -37,6 +48,8 @@ private MediaFormat ParseFormat(Format analysisFormat)
public MediaFormat Format { get; }
public List<ChapterData> Chapters { get; }
public AudioStream? PrimaryAudioStream => AudioStreams.OrderBy(stream => stream.Index).FirstOrDefault();
public VideoStream? PrimaryVideoStream => VideoStreams.OrderBy(stream => stream.Index).FirstOrDefault();
public SubtitleStream? PrimarySubtitleStream => SubtitleStreams.OrderBy(stream => stream.Index).FirstOrDefault();
@ -74,6 +87,11 @@ private VideoStream ParseVideoStream(FFProbeStream stream)
Width = stream.Width ?? 0,
Profile = stream.Profile,
PixelFormat = stream.PixelFormat,
Level = stream.Level,
ColorRange = stream.ColorRange,
ColorSpace = stream.ColorSpace,
ColorTransfer = stream.ColorTransfer,
ColorPrimaries = stream.ColorPrimaries,
Rotation = MediaAnalysisUtils.ParseRotation(stream),
Language = stream.GetLanguage(),
Disposition = MediaAnalysisUtils.FormatDisposition(stream.Disposition),

View file

@ -1,6 +1,6 @@
namespace FFMpegCore
{
public class MediaFormat
public class MediaFormat : ITagsContainer
{
public TimeSpan Duration { get; set; }
public TimeSpan StartTime { get; set; }

View file

@ -2,7 +2,7 @@
namespace FFMpegCore
{
public abstract class MediaStream
public abstract class MediaStream : ITagsContainer
{
public int Index { get; set; }
public string CodecName { get; set; } = null!;

View file

@ -13,8 +13,13 @@ public class VideoStream : MediaStream
public int Height { get; set; }
public double FrameRate { get; set; }
public string PixelFormat { get; set; } = null!;
public int Level { get; set; }
public int Rotation { get; set; }
public double AverageFrameRate { get; set; }
public string ColorRange { get; set; } = null!;
public string ColorSpace { get; set; } = null!;
public string ColorTransfer { get; set; } = null!;
public string ColorPrimaries { get; set; } = null!;
public PixelFormat GetPixelFormatInfo() => FFMpeg.GetPixelFormat(PixelFormat);
}

View file

@ -30,12 +30,23 @@ private static string GetFFBinaryPath(string name, FFOptions ffOptions)
}
var target = Environment.Is64BitProcess ? "x64" : "x86";
if (Directory.Exists(Path.Combine(ffOptions.BinaryFolder, target)))
var possiblePaths = new List<string>()
{
ffName = Path.Combine(target, ffName);
Path.Combine(ffOptions.BinaryFolder, target),
ffOptions.BinaryFolder
};
foreach (var possiblePath in possiblePaths)
{
var possibleFFMpegPath = Path.Combine(possiblePath, ffName);
if (File.Exists(possibleFFMpegPath))
{
return possibleFFMpegPath;
}
}
return Path.Combine(ffOptions.BinaryFolder, ffName);
//Fall back to the assumption this tool exists in the PATH
return ffName;
}
private static FFOptions LoadFFOptions()

View file

@ -63,6 +63,17 @@ var bitmap = FFMpeg.Snapshot(inputPath, new Size(200, 400), TimeSpan.FromMinutes
FFMpeg.Snapshot(inputPath, outputPath, new Size(200, 400), TimeSpan.FromMinutes(1));
```
### You can also capture GIF snapshots from a video file:
```csharp
FFMpeg.GifSnapshot(inputPath, outputPath, new Size(200, 400), TimeSpan.FromSeconds(10));
// or async
await FFMpeg.GifSnapshotAsync(inputPath, outputPath, new Size(200, 400), TimeSpan.FromSeconds(10));
// you can also supply -1 to either one of Width/Height Size properties if you'd like FFMPEG to resize while maintaining the aspect ratio
await FFMpeg.GifSnapshotAsync(inputPath, outputPath, new Size(480, -1), TimeSpan.FromSeconds(10));
```
### Join video parts into one single file:
```csharp
FFMpeg.Join(@"..\joined_video.mp4",
@ -76,7 +87,7 @@ FFMpeg.Join(@"..\joined_video.mp4",
``` csharp
FFMpeg.SubVideo(inputPath,
outputPath,
TimeSpan.FromSeconds(0)
TimeSpan.FromSeconds(0),
TimeSpan.FromSeconds(30)
);
```