public static void Run()
{
//set up ffmpeg command configuration with locations of default output folders, ffmpeg, and ffprobe.
ResourceManagement.CommandConfiguration = CommandConfiguration.Create(
@"c:\source\ffmpeg\bin\temp",
@"c:\source\ffmpeg\bin\ffmpeg.exe",
@"c:\source\ffmpeg\bin\ffprobe.exe");
//create a factory
var factory = CommandFactory.Create();
//set up the output and input settings
var inputSettings = SettingsCollection.ForInput(new SeekPositionInput(1d));
var outputSettings = SettingsCollection.ForOutput(
new BitRateVideo(3000),
new DurationOutput(10d));
//create a command adding a two audio files
var command = factory.CreateOutputCommand();
var output = command.WithInput <VideoStream>(Utilities.GetVideoFile(), inputSettings)
.To <Mp4>(@"c:\source\ffmpeg\bin\temp\foo.mp4", outputSettings)
.First();
//use the metadata helper calculation engine to determine a snapshot of what the output duration should be.
var metadataInfo = MetadataHelpers.GetMetadataInfo(command, output.GetStreamIdentifier());
System.Console.ForegroundColor = ConsoleColor.DarkMagenta;
Console.WriteLine("Metadata snapshot:");
Console.WriteLine(string.Format("Duration: {0}", metadataInfo.VideoStream.VideoMetadata.Duration));
Console.WriteLine(string.Format("Has Video: {0}", metadataInfo.HasVideo));
Console.WriteLine(string.Format("Has Audio: {0}", metadataInfo.HasAudio));
System.Console.ForegroundColor = ConsoleColor.White;
}
public void InputToFilterToOutput_Verify()
{
var baseline = Resource.From(Utilities.GetVideoFile())
.LoadMetadata()
.Streams
.OfType <VideoStream>()
.First();
var calculatedSeconds = (baseline.Info.VideoMetadata.Duration.TotalSeconds * 3d) - 2d;
var calculatedDuration = TimeSpan.FromSeconds(calculatedSeconds);
var filterchain = Filterchain.FilterTo <VideoStream>(new Split(3));
var split = CommandFactory.Create()
.CreateOutputCommand()
.WithInput <VideoStream>(Utilities.GetVideoFile())
.Filter(filterchain);
var concat1 = split.Command
.Select(split.StreamIdentifiers[1])
.Select(split.StreamIdentifiers[1])
.Filter(new Dissolve(1d));
var concat2 = concat1.Select(split.StreamIdentifiers[2])
.Filter(new Dissolve(1d));
var output = concat2.MapTo <Mp4>().First();
var metadataInfo1 = MetadataHelpers.GetMetadataInfo(concat2.Command, concat2.StreamIdentifiers.FirstOrDefault());
var metadataInfo2 = MetadataHelpers.GetMetadataInfo(output.Owner, output.GetStreamIdentifier());
Assert.True(metadataInfo1.VideoStream.VideoMetadata.Duration == calculatedDuration);
Assert.True(metadataInfo2.VideoStream.VideoMetadata.Duration == calculatedDuration);
}
public override List <StreamIdentifier> SetupTemplate(FFmpegCommand command, List <StreamIdentifier> streamIdList)
{
if (streamIdList.Count != 2)
{
throw new InvalidOperationException("Crossfade Concatenate requires two input video streams.");
}
var streamTo = streamIdList[1];
var streamFrom = streamIdList[0];
//grab the current length of the streamId specified
var streamFromMetadata = MetadataHelpers.GetMetadataInfo(command, streamFrom);
//from ==
// - split
// - 1: start -> (end - durationOf)
// - 2: (end - durationOf) -> end
//to ==
// - split
// - 1: start -> (start + durationOf)
// - 2: (start + durationOf) -> end
//blend ==
// - from:2 / to:1
//output ==
// - (from:1, blend, to:2)
var endMinusDuration = streamFromMetadata.VideoStream.Duration - Duration;
var fromSplit = command.Select(streamFrom)
.Filter(Filterchain.FilterTo <VideoStream>(new Split(2)));
var fromMain = fromSplit.Take(0)
.Filter(new TrimVideo(null, endMinusDuration.TotalSeconds, VideoUnitType.Seconds));
var fromBlend = fromSplit.Take(1)
.Filter(new TrimVideo(endMinusDuration.TotalSeconds, null, VideoUnitType.Seconds));
var toSplit = command.Select(streamTo)
.Filter(Filterchain.FilterTo <VideoStream>(new Split(2)));
var toBlend = toSplit.Take(0)
.Filter(new TrimVideo(null, Duration.TotalSeconds, VideoUnitType.Seconds));
var toMain = toSplit.Take(1)
.Filter(new TrimVideo(Duration.TotalSeconds, null, VideoUnitType.Seconds));
var blendOut = command.Select(toBlend.StreamIdentifiers)
.Select(fromBlend.StreamIdentifiers)
.Filter(Filterchain.FilterTo <VideoStream>(new Blend(string.Format(CrossfadeAlgorithm, Duration.TotalSeconds))));
var result = command.Select(fromMain.StreamIdentifiers)
.Select(blendOut.StreamIdentifiers)
.Select(toMain.StreamIdentifiers)
.Filter(Filterchain.FilterTo <VideoStream>(new Concat()));
return(result.StreamIdentifiers);
}
public void InputSettingsToOutput_Verify()
{
var inputSettings = SettingsCollection.ForInput(
new StartAt(1d),
new DurationInput(3d));
var output = CommandFactory.Create()
.CreateOutputCommand()
.WithInput <VideoStream>(Utilities.GetVideoFile(), inputSettings)
.To <Mp4>()
.First();
var metadataInfo = MetadataHelpers.GetMetadataInfo(output.Owner, output.GetStreamIdentifier());
Assert.True(metadataInfo.VideoStream.VideoMetadata.Duration == TimeSpan.FromSeconds(3));
}
public void InputSettingsToOutputSettingsOverDuration_Verify()
{
var inputSettings = SettingsCollection.ForInput(new StartAt(1d));
var outputSettings = SettingsCollection.ForOutput(
new BitRateVideo(3000),
new DurationOutput(10d));
var output = CommandFactory.Create()
.CreateOutputCommand()
.WithInput <VideoStream>(Utilities.GetVideoFile(), inputSettings)
.To <Mp4>(outputSettings)
.First();
var metadataInfo = MetadataHelpers.GetMetadataInfo(output.Owner, output.GetStreamIdentifier());
Assert.True(metadataInfo.VideoStream.VideoMetadata.Duration == TimeSpan.FromSeconds(9)); // we have a 10 second video, and start 1 second in, this should only be 9
Assert.True(metadataInfo.VideoStream.VideoMetadata.BitRate == 3000000L);
}
public void InputToOutput_Verify()
{
var baseline = Resource.From(Utilities.GetVideoFile())
.LoadMetadata()
.Streams
.OfType <VideoStream>()
.First();
var output = CommandFactory.Create()
.CreateOutputCommand()
.WithInput <VideoStream>(Utilities.GetVideoFile())
.To <Mp4>()
.First();
var metadataInfo = MetadataHelpers.GetMetadataInfo(output.Owner, output.GetStreamIdentifier());
Assert.True(metadataInfo.VideoStream.VideoMetadata.Duration == baseline.Info.VideoMetadata.Duration);
}
public void InputSettingsToOutputSettings_Verify()
{
var inputSettings = SettingsCollection.ForInput(new StartAt(1d));
var outputSettings = SettingsCollection.ForOutput(
new BitRateVideo(3000),
new DurationOutput(5d));
var output = CommandFactory.Create()
.CreateOutputCommand()
.WithInput <VideoStream>(Utilities.GetVideoFile(), inputSettings)
.To <Mp4>(outputSettings)
.First();
var metadataInfo = MetadataHelpers.GetMetadataInfo(output.Owner, output.GetStreamIdentifier());
Assert.True(metadataInfo.VideoStream.Duration == TimeSpan.FromSeconds(3)); // this is because the input is only 4 seconds, we start at 1
Assert.True(metadataInfo.VideoStream.BitRate == 3000000L);
}
public void InputSettingsToFilterToOutputSettings_Verify()
{
var baseline = Resource.From(Utilities.GetVideoFile())
.LoadMetadata()
.Streams
.OfType <VideoStream>()
.First();
var calculatedSeconds = ((baseline.Info.Duration.TotalSeconds - 1) * 3d) - 2d;
var calculatedDuration = TimeSpan.FromSeconds(calculatedSeconds);
var inputSettings = SettingsCollection.ForInput(new StartAt(1d));
var outputSettings = SettingsCollection.ForOutput(
new BitRateVideo(3000),
new DurationOutput(5d));
var filterchain = Filterchain.FilterTo <VideoStream>(new Split(3));
var split = CommandFactory.Create()
.CreateOutputCommand()
.WithInput <VideoStream>(Utilities.GetVideoFile(), inputSettings)
.Filter(filterchain);
var concat1 = split.Command
.Select(split.StreamIdentifiers[0])
.Select(split.StreamIdentifiers[1])
.Filter(new CrossfadeConcatenate(1d));
var concat2 = concat1.Select(split.StreamIdentifiers[2])
.Filter(new CrossfadeConcatenate(1d));
var output = concat2.MapTo <Mp4>(outputSettings).First();
var metadataInfo1 = MetadataHelpers.GetMetadataInfo(concat2.Command, concat2.StreamIdentifiers.FirstOrDefault());
var metadataInfo2 = MetadataHelpers.GetMetadataInfo(output.Owner, output.GetStreamIdentifier());
Assert.True(metadataInfo1.VideoStream.Duration == calculatedDuration);
Assert.True(metadataInfo2.VideoStream.Duration == TimeSpan.FromSeconds(5));
Assert.True(metadataInfo2.VideoStream.BitRate == 3000000L);
}
