Alex/FFMpegCore
1
0
Fork 0
mirror of https://github.com/rosenbjerg/FFMpegCore.git synced 2024-09-20 05:22:23 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge branch 'master' into fix/dynamic_argumentText

Browse source
This commit is contained in:
Malte Rosenbjerg 2022-03-24 20:57:12 +01:00 committed by GitHub
commit b0578e3ae7
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
10 changed files with 177 additions and 159 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
FFMpegCore.Test/FFProbeTests.cs
View file

@ -11,13 +11,6 @@ namespace FFMpegCore.Test
[TestClass]
public class FFProbeTests
{
[TestMethod]
public void Probe_TooLongOutput()
{
Assert.ThrowsException<System.Text.Json.JsonException>(() => FFProbe.Analyse(TestResources.Mp4Video, 5));
}
[TestMethod]
public async Task Audio_FromStream_Duration()
{

2
FFMpegCore.Test/VideoTest.cs
View file

@ -544,7 +544,7 @@ public void Video_OutputsData()
.WithVerbosityLevel(VerbosityLevel.Info))
.OutputToFile(outputFile, false, opt => opt
.WithDuration(TimeSpan.FromSeconds(2)))
.NotifyOnOutput((_, _) => dataReceived = true)
.NotifyOnError(_ => dataReceived = true)
.ProcessSynchronously();
Assert.IsTrue(dataReceived);

32
FFMpegCore/FFMpeg/FFMpeg.cs
View file

@ -8,6 +8,7 @@
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Instances;
namespace FFMpegCore
{
@ -417,15 +418,16 @@ internal static IReadOnlyList<PixelFormat> GetPixelFormatsInternal()
FFMpegHelper.RootExceptionCheck();
var list = new List<PixelFormat>();
using var instance = new Instances.Instance(GlobalFFOptions.GetFFMpegBinaryPath(), "-pix_fmts");
instance.DataReceived += (e, args) =>
var processArguments = new ProcessArguments(GlobalFFOptions.GetFFMpegBinaryPath(), "-pix_fmts");
processArguments.OutputDataReceived += (e, data) =>
{
if (PixelFormat.TryParse(args.Data, out var format))
if (PixelFormat.TryParse(data, out var format))
list.Add(format);
};
var exitCode = instance.BlockUntilFinished();
if (exitCode != 0) throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", instance.OutputData));
var result = processArguments.StartAndWaitForExit();
if (result.ExitCode != 0)
throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", result.OutputData));
return list.AsReadOnly();
}
@ -462,10 +464,10 @@ private static void ParsePartOfCodecs(Dictionary<string, Codec> codecs, string a
{
FFMpegHelper.RootExceptionCheck();
using var instance = new Instances.Instance(GlobalFFOptions.GetFFMpegBinaryPath(), arguments);
instance.DataReceived += (e, args) =>
var processArguments = new ProcessArguments(GlobalFFOptions.GetFFMpegBinaryPath(), arguments);
processArguments.OutputDataReceived += (e, data) =>
{
var codec = parser(args.Data);
var codec = parser(data);
if(codec != null)
if (codecs.TryGetValue(codec.Name, out var parentCodec))
parentCodec.Merge(codec);
@ -473,8 +475,8 @@ private static void ParsePartOfCodecs(Dictionary<string, Codec> codecs, string a
codecs.Add(codec.Name, codec);
};
var exitCode = instance.BlockUntilFinished();
if (exitCode != 0) throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", instance.OutputData));
var result = processArguments.StartAndWaitForExit();
if (result.ExitCode != 0) throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", result.OutputData));
}
internal static Dictionary<string, Codec> GetCodecsInternal()
@ -546,15 +548,15 @@ internal static IReadOnlyList<ContainerFormat> GetContainersFormatsInternal()
FFMpegHelper.RootExceptionCheck();
var list = new List<ContainerFormat>();
using var instance = new Instances.Instance(GlobalFFOptions.GetFFMpegBinaryPath(), "-formats");
instance.DataReceived += (e, args) =>
var instance = new ProcessArguments(GlobalFFOptions.GetFFMpegBinaryPath(), "-formats");
instance.OutputDataReceived += (e, data) =>
{
if (ContainerFormat.TryParse(args.Data, out var fmt))
if (ContainerFormat.TryParse(data, out var fmt))
list.Add(fmt);
};
var exitCode = instance.BlockUntilFinished();
if (exitCode != 0) throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", instance.OutputData));
var result = instance.StartAndWaitForExit();
if (result.ExitCode != 0) throw new FFMpegException(FFMpegExceptionType.Process, string.Join("\r\n", result.OutputData));
return list.AsReadOnly();
}

119
FFMpegCore/FFMpeg/FFMpegArgumentProcessor.cs
View file

@ -18,7 +18,8 @@ public class FFMpegArgumentProcessor
private readonly FFMpegArguments _ffMpegArguments;
private Action<double>? _onPercentageProgress;
private Action<TimeSpan>? _onTimeProgress;
private Action<string, DataType>? _onOutput;
private Action<string>? _onOutput;
private Action<string>? _onError;
private TimeSpan? _totalTimespan;
internal FFMpegArgumentProcessor(FFMpegArguments ffMpegArguments)
@ -57,11 +58,16 @@ public FFMpegArgumentProcessor NotifyOnProgress(Action<TimeSpan> onTimeProgress)
/// Register action that will be invoked during the ffmpeg processing, when a line is output
/// </summary>
/// <param name="onOutput"></param>
public FFMpegArgumentProcessor NotifyOnOutput(Action<string, DataType> onOutput)
public FFMpegArgumentProcessor NotifyOnOutput(Action<string> onOutput)
{
_onOutput = onOutput;
return this;
}
public FFMpegArgumentProcessor NotifyOnError(Action<string> onError)
{
_onError = onError;
return this;
}
public FFMpegArgumentProcessor CancellableThrough(out Action cancel, int timeout = 0)
{
cancel = () => CancelEvent?.Invoke(this, timeout);
@ -80,43 +86,47 @@ public FFMpegArgumentProcessor Configure(Action<FFOptions> configureOptions)
public bool ProcessSynchronously(bool throwOnError = true, FFOptions? ffMpegOptions = null)
{
var options = GetConfiguredOptions(ffMpegOptions);
using var instance = PrepareInstance(options, out var cancellationTokenSource);
var processArguments = PrepareProcessArguments(options, out var cancellationTokenSource);
processArguments.Exited += delegate { cancellationTokenSource.Cancel(); };
void OnCancelEvent(object sender, int timeout)
{
instance.SendInput("q");
if (!cancellationTokenSource.Token.WaitHandle.WaitOne(timeout, true))
{
cancellationTokenSource.Cancel();
instance.Started = false;
}
}
CancelEvent += OnCancelEvent;
instance.Exited += delegate { cancellationTokenSource.Cancel(); };
var errorCode = -1;
IProcessResult? processResult = null;
try
{
errorCode = Process(instance, cancellationTokenSource).ConfigureAwait(false).GetAwaiter().GetResult();
processResult = Process(processArguments, cancellationTokenSource).ConfigureAwait(false).GetAwaiter().GetResult();
}
catch (Exception e)
{
if (!HandleException(throwOnError, e, instance.ErrorData)) return false;
}
finally
{
CancelEvent -= OnCancelEvent;
if (!HandleException(throwOnError, e, processResult?.ErrorData ?? Array.Empty<string>())) return false;
}
return HandleCompletion(throwOnError, errorCode, instance.ErrorData);
return HandleCompletion(throwOnError, processResult?.ExitCode ?? -1, processResult?.ErrorData ?? Array.Empty<string>());
}
public async Task<bool> ProcessAsynchronously(bool throwOnError = true, FFOptions? ffMpegOptions = null)
{
var options = GetConfiguredOptions(ffMpegOptions);
using var instance = PrepareInstance(options, out var cancellationTokenSource);
var processArguments = PrepareProcessArguments(options, out var cancellationTokenSource);
IProcessResult? processResult = null;
try
{
processResult = await Process(processArguments, cancellationTokenSource).ConfigureAwait(false);
}
catch (Exception e)
{
if (!HandleException(throwOnError, e, processResult?.ErrorData ?? Array.Empty<string>())) return false;
}
return HandleCompletion(throwOnError, processResult?.ExitCode ?? -1, processResult?.ErrorData ?? Array.Empty<string>());
}
private async Task<IProcessResult> Process(ProcessArguments processArguments, CancellationTokenSource cancellationTokenSource)
{
IProcessResult processResult = null!;
_ffMpegArguments.Pre();
using var instance = processArguments.Start();
void OnCancelEvent(object sender, int timeout)
{
instance.SendInput("q");
@ -124,41 +134,26 @@ void OnCancelEvent(object sender, int timeout)
if (!cancellationTokenSource.Token.WaitHandle.WaitOne(timeout, true))
{
cancellationTokenSource.Cancel();
instance.Started = false;
instance.Kill();
}
}
CancelEvent += OnCancelEvent;
var errorCode = -1;
try
{
errorCode = await Process(instance, cancellationTokenSource).ConfigureAwait(false);
}
catch (Exception e)
{
if (!HandleException(throwOnError, e, instance.ErrorData)) return false;
await Task.WhenAll(instance.WaitForExitAsync().ContinueWith(t =>
{
processResult = t.Result;
cancellationTokenSource.Cancel();
_ffMpegArguments.Post();
}), _ffMpegArguments.During(cancellationTokenSource.Token)).ConfigureAwait(false);
return processResult;
}
finally
{
CancelEvent -= OnCancelEvent;
}
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)
@ -184,7 +179,7 @@ internal FFOptions GetConfiguredOptions(FFOptions? ffOptions)
return options;
}
private Instance PrepareInstance(FFOptions ffOptions,
private ProcessArguments PrepareProcessArguments(FFOptions ffOptions,
out CancellationTokenSource cancellationTokenSource)
{
FFMpegHelper.RootExceptionCheck();
@ -197,17 +192,25 @@ private Instance PrepareInstance(FFOptions ffOptions,
StandardErrorEncoding = ffOptions.Encoding,
WorkingDirectory = ffOptions.WorkingDirectory
};
var instance = new Instance(startInfo);
var processArguments = new ProcessArguments(startInfo);
cancellationTokenSource = new CancellationTokenSource();
if (_onOutput != null || _onTimeProgress != null || (_onPercentageProgress != null && _totalTimespan != null))
instance.DataReceived += OutputData;
processArguments.OutputDataReceived += OutputData;
if (_onError != null)
processArguments.ErrorDataReceived += ErrorData;
return instance;
return processArguments;
}
private void ErrorData(object sender, string msg)
{
_onError?.Invoke(msg);
}
private static bool HandleException(bool throwOnError, Exception e, IReadOnlyList<string> errorData)
private static bool HandleException(bool throwOnError, Exception e, IEnumerable<string> errorData)
{
if (!throwOnError)
return false;
@ -215,12 +218,12 @@ private static bool HandleException(bool throwOnError, Exception e, IReadOnlyLis
throw new FFMpegException(FFMpegExceptionType.Process, "Exception thrown during processing", e, string.Join("\n", errorData));
}
private void OutputData(object sender, (DataType Type, string Data) msg)
private void OutputData(object sender, string msg)
{
Debug.WriteLine(msg.Data);
_onOutput?.Invoke(msg.Data, msg.Type);
Debug.WriteLine(msg);
_onOutput?.Invoke(msg);
var match = ProgressRegex.Match(msg.Data);
var match = ProgressRegex.Match(msg);
if (!match.Success) return;
var processed = TimeSpan.Parse(match.Groups[1].Value, CultureInfo.InvariantCulture);

4
FFMpegCore/FFMpegCore.csproj
View file

@ -32,9 +32,9 @@
</ItemGroup>
<ItemGroup>
<PackageReference Include="Instances" Version="1.6.1" />
<PackageReference Include="Instances" Version="2.0.0" />
<PackageReference Include="System.Drawing.Common" Version="5.0.2" />
<PackageReference Include="System.Text.Json" Version="5.0.1" />
<PackageReference Include="System.Text.Json" Version="6.0.2" />
</ItemGroup>
</Project>

141
FFMpegCore/FFProbe/FFProbe.cs
View file

@ -13,61 +13,61 @@ namespace FFMpegCore
{
public static class FFProbe
{
public static IMediaAnalysis Analyse(string filePath, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static IMediaAnalysis Analyse(string filePath, FFOptions? ffOptions = null)
{
if (!File.Exists(filePath))
throw new FFMpegException(FFMpegExceptionType.File, $"No file found at '{filePath}'");
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));
var processArguments = PrepareStreamAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var result = processArguments.StartAndWaitForExit();
if (result.ExitCode != 0)
throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({result.ExitCode} - {string.Join("\n", result.ErrorData)})", null, string.Join("\n", result.ErrorData));
return ParseOutput(instance);
return ParseOutput(result);
}
public static FFProbeFrames GetFrames(string filePath, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static FFProbeFrames GetFrames(string filePath, 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));
var instance = PrepareFrameAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var result = instance.StartAndWaitForExit();
if (result.ExitCode != 0)
throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({result.ExitCode} - {string.Join("\n", result.ErrorData)})", null, string.Join("\n", result.ErrorData));
return ParseFramesOutput(instance);
return ParseFramesOutput(result);
}
public static FFProbePackets GetPackets(string filePath, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static FFProbePackets GetPackets(string filePath, FFOptions? ffOptions = null)
{
if (!File.Exists(filePath))
throw new FFMpegException(FFMpegExceptionType.File, $"No file found at '{filePath}'");
using var instance = PreparePacketAnalysisInstance(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));
var instance = PreparePacketAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var result = instance.StartAndWaitForExit();
if (result.ExitCode != 0)
throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({result.ExitCode} - {string.Join("\n", result.ErrorData)})", null, string.Join("\n", result.ErrorData));
return ParsePacketsOutput(instance);
return ParsePacketsOutput(result);
}
public static IMediaAnalysis Analyse(Uri uri, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static IMediaAnalysis Analyse(Uri uri, FFOptions? ffOptions = null)
{
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));
var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current);
var result = instance.StartAndWaitForExit();
if (result.ExitCode != 0)
throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({result.ExitCode} - {string.Join("\n", result.ErrorData)})", null, string.Join("\n", result.ErrorData));
return ParseOutput(instance);
return ParseOutput(result);
}
public static IMediaAnalysis Analyse(Stream stream, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static IMediaAnalysis Analyse(Stream stream, FFOptions? ffOptions = null)
{
var streamPipeSource = new StreamPipeSource(stream);
var pipeArgument = new InputPipeArgument(streamPipeSource);
using var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, ffOptions ?? GlobalFFOptions.Current);
pipeArgument.Pre();
var task = instance.FinishedRunning();
var task = instance.StartAndWaitForExitAsync();
try
{
pipeArgument.During().ConfigureAwait(false).GetAwaiter().GetResult();
@ -77,62 +77,62 @@ public static IMediaAnalysis Analyse(Stream stream, int outputCapacity = int.Max
{
pipeArgument.Post();
}
var exitCode = task.ConfigureAwait(false).GetAwaiter().GetResult();
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));
var result = task.ConfigureAwait(false).GetAwaiter().GetResult();
if (result.ExitCode != 0)
throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({result.ExitCode} - {string.Join("\n", result.ErrorData)})", null, string.Join("\n", result.ErrorData));
return ParseOutput(instance);
return ParseOutput(result);
}
public static async Task<IMediaAnalysis> AnalyseAsync(string filePath, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static async Task<IMediaAnalysis> AnalyseAsync(string filePath, FFOptions? ffOptions = null)
{
if (!File.Exists(filePath))
throw new FFMpegException(FFMpegExceptionType.File, $"No file found at '{filePath}'");
using var instance = PrepareStreamAnalysisInstance(filePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
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));
var instance = PrepareStreamAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var result = await instance.StartAndWaitForExitAsync().ConfigureAwait(false);
if (result.ExitCode != 0)
throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({result.ExitCode} - {string.Join("\n", result.ErrorData)})", null, string.Join("\n", result.ErrorData));
return ParseOutput(instance);
return ParseOutput(result);
}
public static async Task<FFProbeFrames> GetFramesAsync(string filePath, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static async Task<FFProbeFrames> GetFramesAsync(string filePath, 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);
var instance = PrepareFrameAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var result = await instance.StartAndWaitForExitAsync().ConfigureAwait(false);
return ParseFramesOutput(result);
}
public static async Task<FFProbePackets> GetPacketsAsync(string filePath, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static async Task<FFProbePackets> GetPacketsAsync(string filePath, FFOptions? ffOptions = null)
{
if (!File.Exists(filePath))
throw new FFMpegException(FFMpegExceptionType.File, $"No file found at '{filePath}'");
using var instance = PreparePacketAnalysisInstance(filePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
await instance.FinishedRunning().ConfigureAwait(false);
return ParsePacketsOutput(instance);
var instance = PreparePacketAnalysisInstance(filePath, ffOptions ?? GlobalFFOptions.Current);
var result = await instance.StartAndWaitForExitAsync().ConfigureAwait(false);
return ParsePacketsOutput(result);
}
public static async Task<IMediaAnalysis> AnalyseAsync(Uri uri, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static async Task<IMediaAnalysis> AnalyseAsync(Uri uri, FFOptions? ffOptions = null)
{
using var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
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));
var instance = PrepareStreamAnalysisInstance(uri.AbsoluteUri, ffOptions ?? GlobalFFOptions.Current);
var result = await instance.StartAndWaitForExitAsync().ConfigureAwait(false);
if (result.ExitCode != 0)
throw new FFMpegException(FFMpegExceptionType.Process, $"ffprobe exited with non-zero exit-code ({result.ExitCode} - {string.Join("\n", result.ErrorData)})", null, string.Join("\n", result.ErrorData));
return ParseOutput(instance);
return ParseOutput(result);
}
public static async Task<IMediaAnalysis> AnalyseAsync(Stream stream, int outputCapacity = int.MaxValue, FFOptions? ffOptions = null)
public static async Task<IMediaAnalysis> AnalyseAsync(Stream stream, FFOptions? ffOptions = null)
{
var streamPipeSource = new StreamPipeSource(stream);
var pipeArgument = new InputPipeArgument(streamPipeSource);
using var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, outputCapacity, ffOptions ?? GlobalFFOptions.Current);
var instance = PrepareStreamAnalysisInstance(pipeArgument.PipePath, ffOptions ?? GlobalFFOptions.Current);
pipeArgument.Pre();
var task = instance.FinishedRunning();
var task = instance.StartAndWaitForExitAsync();
try
{
await pipeArgument.During().ConfigureAwait(false);
@ -144,15 +144,15 @@ public static async Task<IMediaAnalysis> AnalyseAsync(Stream stream, int outputC
{
pipeArgument.Post();
}
var exitCode = await task.ConfigureAwait(false);
if (exitCode != 0)
throw new FFProbeProcessException($"ffprobe exited with non-zero exit-code ({exitCode} - {string.Join("\n", instance.ErrorData)})", instance.ErrorData);
var result = await task.ConfigureAwait(false);
if (result.ExitCode != 0)
throw new FFProbeProcessException($"ffprobe exited with non-zero exit-code ({result.ExitCode} - {string.Join("\n", result.ErrorData)})", result.ErrorData);
pipeArgument.Post();
return ParseOutput(instance);
return ParseOutput(result);
}
private static IMediaAnalysis ParseOutput(Instance instance)
private static IMediaAnalysis ParseOutput(IProcessResult instance)
{
var json = string.Join(string.Empty, instance.OutputData);
var ffprobeAnalysis = JsonSerializer.Deserialize<FFProbeAnalysis>(json, new JsonSerializerOptions
@ -165,7 +165,7 @@ private static IMediaAnalysis ParseOutput(Instance instance)
return new MediaAnalysis(ffprobeAnalysis);
}
private static FFProbeFrames ParseFramesOutput(Instance instance)
private static FFProbeFrames ParseFramesOutput(IProcessResult instance)
{
var json = string.Join(string.Empty, instance.OutputData);
var ffprobeAnalysis = JsonSerializer.Deserialize<FFProbeFrames>(json, new JsonSerializerOptions
@ -177,7 +177,7 @@ private static FFProbeFrames ParseFramesOutput(Instance instance)
return ffprobeAnalysis;
}
private static FFProbePackets ParsePacketsOutput(Instance instance)
private static FFProbePackets ParsePacketsOutput(IProcessResult instance)
{
var json = string.Join(string.Empty, instance.OutputData);
var ffprobeAnalysis = JsonSerializer.Deserialize<FFProbePackets>(json, new JsonSerializerOptions
@ -190,25 +190,24 @@ private static FFProbePackets ParsePacketsOutput(Instance instance)
}
private static Instance PrepareStreamAnalysisInstance(string filePath, int outputCapacity, FFOptions ffOptions)
=> PrepareInstance($"-loglevel error -print_format json -show_format -sexagesimal -show_streams \"{filePath}\"", outputCapacity, ffOptions);
private static Instance PrepareFrameAnalysisInstance(string filePath, int outputCapacity, FFOptions ffOptions)
=> PrepareInstance($"-loglevel error -print_format json -show_frames -v quiet -sexagesimal \"{filePath}\"", outputCapacity, ffOptions);
private static Instance PreparePacketAnalysisInstance(string filePath, int outputCapacity, FFOptions ffOptions)
=> PrepareInstance($"-loglevel error -print_format json -show_packets -v quiet -sexagesimal \"{filePath}\"", outputCapacity, ffOptions);
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 Instance PrepareInstance(string arguments, int outputCapacity, FFOptions ffOptions)
private static ProcessArguments PrepareInstance(string arguments, FFOptions ffOptions)
{
FFProbeHelper.RootExceptionCheck();
FFProbeHelper.VerifyFFProbeExists(ffOptions);
var startInfo = new ProcessStartInfo(GlobalFFOptions.GetFFProbeBinaryPath(), arguments)
var startInfo = new ProcessStartInfo(GlobalFFOptions.GetFFProbeBinaryPath(ffOptions), arguments)
{
StandardOutputEncoding = ffOptions.Encoding,
StandardErrorEncoding = ffOptions.Encoding,
WorkingDirectory = ffOptions.WorkingDirectory
};
var instance = new Instance(startInfo) { DataBufferCapacity = outputCapacity };
return instance;
return new ProcessArguments(startInfo);
}
}
}

20
FFMpegCore/FFProbe/ProcessArgumentsExtensions.cs Normal file
View file

@ -0,0 +1,20 @@
using System.Threading;
using System.Threading.Tasks;
using Instances;
namespace FFMpegCore
{
public static class ProcessArgumentsExtensions
{
public static IProcessResult StartAndWaitForExit(this ProcessArguments processArguments)
{
using var instance = processArguments.Start();
return instance.WaitForExit();
}
public static async Task<IProcessResult> StartAndWaitForExitAsync(this ProcessArguments processArguments, CancellationToken cancellationToken = default)
{
using var instance = processArguments.Start();
return await instance.WaitForExitAsync(cancellationToken);
}
}
}

4
FFMpegCore/Helpers/FFMpegHelper.cs
View file

@ -38,8 +38,8 @@ public static void RootExceptionCheck()
public static void VerifyFFMpegExists(FFOptions ffMpegOptions)
{
if (_ffmpegVerified) return;
var (exitCode, _) = Instance.Finish(GlobalFFOptions.GetFFMpegBinaryPath(ffMpegOptions), "-version");
_ffmpegVerified = exitCode == 0;
var result = Instance.Finish(GlobalFFOptions.GetFFMpegBinaryPath(ffMpegOptions), "-version");
_ffmpegVerified = result.ExitCode == 0;
if (!_ffmpegVerified)
throw new FFMpegException(FFMpegExceptionType.Operation, "ffmpeg was not found on your system");
}

4
FFMpegCore/Helpers/FFProbeHelper.cs
View file

@ -27,8 +27,8 @@ public static void RootExceptionCheck()
public static void VerifyFFProbeExists(FFOptions ffMpegOptions)
{
if (_ffprobeVerified) return;
var (exitCode, _) = Instance.Finish(GlobalFFOptions.GetFFProbeBinaryPath(ffMpegOptions), "-version");
_ffprobeVerified = exitCode == 0;
var result = Instance.Finish(GlobalFFOptions.GetFFProbeBinaryPath(ffMpegOptions), "-version");
_ffprobeVerified = result.ExitCode == 0;
if (!_ffprobeVerified)
throw new FFProbeException("ffprobe was not found on your system");
}

3
README.md
View file

@ -3,7 +3,8 @@
[![GitHub issues](https://img.shields.io/github/issues/rosenbjerg/FFMpegCore)](https://github.com/rosenbjerg/FFMpegCore/issues)
[![GitHub stars](https://img.shields.io/github/stars/rosenbjerg/FFMpegCore)](https://github.com/rosenbjerg/FFMpegCore/stargazers)
[![GitHub](https://img.shields.io/github/license/rosenbjerg/FFMpegCore)](https://github.com/rosenbjerg/FFMpegCore/blob/master/LICENSE)
[![CI](https://github.com/rosenbjerg/FFMpegCore/workflows/CI/badge.svg)](https://github.com/rosenbjerg/FFMpegCore/actions?query=workflow%3ACI)
[![CI](https://github.com/rosenbjerg/FFMpegCore/workflows/CI/badge.svg)](https://github.com/rosenbjerg/FFMpegCore/actions/workflows/ci.yml)
[![GitHub code contributors](https://img.shields.io/github/contributors/rosenbjerg/FFMpegCore)](https://github.com/rosenbjerg/FFMpegCore/graphs/contributors)
A .NET Standard FFMpeg/FFProbe wrapper for easily integrating media analysis and conversion into your .NET applications. Supports both synchronous and asynchronous calls