Try to work around mastering problems,

where a playlist can reference multiple stream files with different stream types for same ID

part of #17

Author: UniqProject

BDInfo/BDROM/TSPlaylistFile.cs

@@ -367,6 +367,7 @@ public void Scan(
                     streamClip.Length = streamClip.TimeOut - streamClip.TimeIn;
                     streamClip.RelativeTimeIn = TotalLength;
                     streamClip.RelativeTimeOut = streamClip.RelativeTimeIn + streamClip.Length;
+                    streamClip.RelativeLength = streamClip.Length / TotalLength;
                     StreamClips.Add(streamClip);
                     chapterClips.Add(streamClip);
 
@@ -443,33 +444,59 @@ public void Scan(
                     for (int i = 0; i < streamCountVideo; i++)
                     {
                         TSStream stream = CreatePlaylistStream(data, ref pos);
-                        if (stream != null) PlaylistStreams[stream.PID] = stream;
+                        if (stream != null)
+                        {
+                            if (!PlaylistStreams.ContainsKey(stream.PID) || streamClip.RelativeLength > 0.01)
+                                PlaylistStreams[stream.PID] = stream;
+                        }
                     }
                     for (int i = 0; i < streamCountAudio; i++)
                     {
                         TSStream stream = CreatePlaylistStream(data, ref pos);
-                        if (stream != null) PlaylistStreams[stream.PID] = stream;
+                        if (stream != null)
+                        {
+                            if (!PlaylistStreams.ContainsKey(stream.PID) || streamClip.RelativeLength > 0.01)
+                                PlaylistStreams[stream.PID] = stream;
+                        }
                     }
                     for (int i = 0; i < streamCountPG; i++)
                     {
                         TSStream stream = CreatePlaylistStream(data, ref pos);
-                        if (stream != null) PlaylistStreams[stream.PID] = stream;
+                        if (stream != null)
+                        {
+                            if (!PlaylistStreams.ContainsKey(stream.PID) || streamClip.RelativeLength > 0.01)
+                                PlaylistStreams[stream.PID] = stream;
+                        }
                     }
                     for (int i = 0; i < streamCountIG; i++)
                     {
                         TSStream stream = CreatePlaylistStream(data, ref pos);
-                        if (stream != null) PlaylistStreams[stream.PID] = stream;
+                        if (stream != null)
+                        {
+                            if (!PlaylistStreams.ContainsKey(stream.PID) || streamClip.RelativeLength > 0.01)
+                                PlaylistStreams[stream.PID] = stream;
+                        }
                     }
                     for (int i = 0; i < streamCountSecondaryAudio; i++)
                     {
                         TSStream stream = CreatePlaylistStream(data, ref pos);
-                        if (stream != null) PlaylistStreams[stream.PID] = stream;
+                        if (stream != null)
+                        {
+                            if (!PlaylistStreams.ContainsKey(stream.PID) || streamClip.RelativeLength > 0.01)
+                                PlaylistStreams[stream.PID] = stream;
+                        }
+
                         pos += 2;
                     }
                     for (int i = 0; i < streamCountSecondaryVideo; i++)
                     {
                         TSStream stream = CreatePlaylistStream(data, ref pos);
-                        if (stream != null) PlaylistStreams[stream.PID] = stream;
+                        if (stream != null)
+                        {
+                            if (!PlaylistStreams.ContainsKey(stream.PID) || streamClip.RelativeLength > 0.01)
+                                PlaylistStreams[stream.PID] = stream;
+                        }
+
                         pos += 6;
                     }
                     /*
@@ -767,7 +794,7 @@ private void LoadStreamClips()
             }
             foreach (TSStreamClip clip in StreamClips)
             {
-                if (clip.StreamClipFile.Streams.Count > referenceClip.StreamClipFile.Streams.Count)
+                if (clip.StreamClipFile.Streams.Count > referenceClip.StreamClipFile.Streams.Count && clip.RelativeLength > 0.01)
                 {
                     referenceClip = clip;
                 }
@@ -791,6 +818,8 @@ private void LoadStreamClips()
                 }
             }
 
+            if (referenceClip == null) return;
+
             foreach (TSStream clipStream
                 in referenceClip.StreamClipFile.Streams.Values)
             {

BDInfo/BDROM/TSStreamClip.cs

@@ -32,6 +32,7 @@ public class TSStreamClip
         public double RelativeTimeIn;
         public double RelativeTimeOut;
         public double Length;
+        public double RelativeLength;
 
         public ulong FileSize = 0;
         public ulong InterleavedFileSize = 0;