Added an option that dumps single BBFrames to files.

skyscraper8.sln.DotSettings.user

@@ -1,6 +1,7 @@
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skyscraper8/GS/POC/Pts2Bbf2.cs

@@ -0,0 +1,52 @@
+using skyscraper5.Mpeg2;
+using skyscraper5.Skyscraper.IO;
+using skyscraper5.Skyscraper.Scraper;
+using skyscraper5.Skyscraper.Scraper.Storage.InMemory;
+using skyscraper8.Skyscraper.Scraper.Storage;
+
+namespace skyscraper8.GSE;
+
+public class Pts2Bbf2 : IBbframeDeencapsulator
+{
+    private readonly FileInfo _fi;
+    private readonly DirectoryInfo outputDir;
+
+    public Pts2Bbf2(FileInfo fi)
+    {
+        _fi = fi;
+        string outputPath = Path.Combine(_fi.Directory.FullName, Path.GetFileNameWithoutExtension(_fi.Name) + "_frames");
+        outputDir = new DirectoryInfo(outputPath);
+        outputDir.EnsureExists();
+    }
+
+    public void Run()
+    {
+        TsContext mpeg2 = new TsContext();
+        Stid135BbFrameReader bbFrameReader = new Stid135BbFrameReader(null, null, this);
+        mpeg2.RegisterPacketProcessor(0x010e, bbFrameReader);
+        
+        SkyscraperContext context = new SkyscraperContext(mpeg2, new InMemoryScraperStorage(), new NullObjectStorage());
+        context.InitalizeFilterChain();
+
+        FileStream fileStream = _fi.OpenRead();
+        context.IngestFromStream(fileStream);
+    }
+
+    private int frameNo;
+    public void PushPacket(byte[] bbframe)
+    {
+        if (bbframe[0] != 0xb8)
+        {
+            return;
+        }
+        
+        BBHeader bbHeader = new BBHeader(bbframe, 1);
+        if (!bbHeader.Valid)
+            return;
+
+        string fname = String.Format("Frame{0:D8}_TSGS{1}_MIS{2:D3}_SYNC{3:D3}.ts", ++frameNo,bbHeader.TsGs,bbHeader.SisMis ? bbHeader.Matype2 : 0,bbHeader.SyncByte);
+        fname = Path.Combine(outputDir.FullName, fname);
+        ReadOnlySpan<byte> readOnlySpan = new ReadOnlySpan<byte>(bbframe, 11, bbframe.Length - 11);
+        File.WriteAllBytes(fname, readOnlySpan.ToArray());
+    }
+}

skyscraper8/Program.cs

@@ -336,6 +336,14 @@ namespace skyscraper5
                     }
                 }
 
+                if (args[0].ToLowerInvariant().Equals("pts2bbf2"))
+                {
+                    FileInfo fi = new FileInfo(args[1]);
+                    Pts2Bbf2 pts2Bbf2 = new Pts2Bbf2(fi);
+                    pts2Bbf2.Run();
+                    return;
+                }
+
                 if (args[0].ToLowerInvariant().Equals("stid135test"))
                 {
                     FileInfo fi = new FileInfo(args[1]);