private int EncodePgs(DocumentClipDescriptor clip, EsTrackDescriptor track, Stream output, Spp2PgsNet.IProgressReporter reporter)
{
int maxFrameCount = 1;
using (var tCtx = s2pEncoder.CreateSubPicProviderContext())
using (var tOutput = s2pEncoder.CreatePgsEncoder(output, clip.Format, clip.Rate))
{
tOutput.RegistAnchor(0);
foreach (var iEsEntry in track)
{
if (iEsEntry == null)
{
continue;
}
using (var tSpp = s2pEncoder.CreateSubPicProvider(tCtx, iEsEntry.Source))
{
var tOffset = (int)FrameCountFromTime(iEsEntry.SyncOffset, clip.Rate);
using (var tAdv =
s2pEncoder.CreateSppFrameStreamAdvisor(
tSpp, clip.Format, clip.Rate, -1, -1,
tOffset, null)
)
{
maxFrameCount = Math.Max(tAdv.LastPossibleImage, tOffset + 1);
using (var tInput = s2pEncoder.CreateFrameStream(tSpp, tAdv))
{
s2pEncoder.Encode(tInput, tOutput, reporter);
}
}
}
}
tOutput.FlushAnchor();
}
return(maxFrameCount);
}
private PgsEntryDescriptor CompileTrack(CompilingProgressManager reporter, DocumentClipDescriptor clip, EsTrackDescriptor track, DirectoryInfo pesDir, ushort pid)
{
const string PesFileNameFmt = "{0:00000}.{1:x4}.pes";
using (var tPgsStreamServer = new AnonymousPipeServerStream(PipeDirection.Out))
using (var tPgsStream = new AnonymousPipeClientStream(PipeDirection.In, tPgsStreamServer.ClientSafePipeHandle))
using (var tReporter = reporter.CreatePgsProgressReporter())
{
Func <int> tEncodeTaskAction = () =>
{
using (tPgsStreamServer)
{
return(EncodePgs(clip, track, tPgsStreamServer, tReporter));
}
};
var tEncodeTask = Task.Run(tEncodeTaskAction);
var tPesFileName = string.Format(PesFileNameFmt, clip.ClipId, pid);
FileInfo tPesFile = pesDir.PickFile(tPesFileName);
Pgs2Pes(tPgsStream, tPesFile);
return(new PgsEntryDescriptor(
pid,
tPesFile.FullName,
TimeFromFrameCount(tEncodeTask.Result, clip.Rate),
track.Track.Lang
));
}
}