Test with a c style array.

Kyoo.Transcoder/src/Stream.h

@@ -17,6 +17,9 @@ extern "C" struct Stream
 	bool isForced;
 	char *path;
 
+	Stream()
+		: title(NULL), language(NULL), codec(NULL), isDefault(NULL), isForced(NULL), path(NULL) {}
+
 	Stream(const char* title, const char* languageCode, const char* codec, bool isDefault, bool isForced, char* path)
 		: title(title), language(languageCode), codec(codec), isDefault(isDefault), isForced(isForced), path(path) { }
 };

Kyoo.Transcoder/src/Transcoder.cpp

@@ -200,14 +200,16 @@ int Transmux(const char *path, const char *outPath)
 }
 
 
-Stream *ExtractSubtitles(const char *path, const char *outPath, int *streamCount)
+Stream *ExtractSubtitles(const char *path, const char *outPath, int *streamCount, int *subtitleCount)
 {
 	AVFormatContext *inputContext = NULL;
 
 	if (open_input_context(&inputContext, path) != 0)
 		return 0;
 
-	std::vector<Stream> *subtitleStreams = new std::vector<Stream>();
+	*streamCount = inputContext->nb_streams;
+	*subtitleCount = 0;
+	Stream *subtitleStreams = new Stream[*streamCount];
 	const unsigned int outputCount = inputContext->nb_streams;
 	AVFormatContext **outputList = new AVFormatContext * [outputCount];
 
@@ -255,7 +257,9 @@ Stream *ExtractSubtitles(const char *path, const char *outPath, int *streamCount
 
 			stream.path = _strdup(outStream.str().c_str());
 
-			subtitleStreams->push_back(stream);
+			subtitleStreams[i] = stream;
+			*subtitleCount += 1;
+			//subtitleStreams->push_back(stream);
 			std::cout << "Stream #" << i << "(" << stream.language << "), stream type: " << inputCodecpar->codec_type << " codec: " << stream.codec << std::endl;
 
 			AVFormatContext *outputContext = NULL;
@@ -337,6 +341,7 @@ Stream *ExtractSubtitles(const char *path, const char *outPath, int *streamCount
 
 	delete[] outputList;
 
-	*streamCount = subtitleStreams->size();
+	return subtitleStreams;
-	return subtitleStreams->data();
+	//*streamCount = subtitleStreams->size();
+	//return subtitleStreams->data();
 }

Kyoo.Transcoder/src/Transcoder.h

@@ -12,6 +12,6 @@
 extern "C" API int Init();
 
 //Take the path of the file and the path of the output directory. It will return the list of subtitle streams in the streams variable. The int returned is the number of subtitles extracted.
-extern "C" API Stream* ExtractSubtitles(const char* path, const char* outPath, int* streamsCount);
+extern "C" API Stream *ExtractSubtitles(const char *path, const char *outPath, int *streamCount, int *subtitleCount);
 
 extern "C" API int Transmux(const char *path, const char *outPath);

Kyoo/InternalAPI/Crawler/Crawler.cs

@@ -166,9 +166,14 @@ namespace Kyoo.InternalAPI
             string path = Path.Combine(Path.GetDirectoryName(episode.Path), "Subtitles");
             if(Directory.Exists(path))
             {
+                bool ret = false;
                 foreach (string sub in Directory.EnumerateFiles(path, "", SearchOption.AllDirectories))
                 {
-                    string language = sub.Substring(Path.GetDirectoryName(sub).Length + Path.GetFileNameWithoutExtension(episode.Path).Length + 2, 3);
+                    string episodeLink = Path.GetFileNameWithoutExtension(episode.Path);
+
+                    if (sub.Contains(episodeLink))
+                    {
+                        string language = sub.Substring(Path.GetDirectoryName(sub).Length + episodeLink.Length + 2, 3);
                         bool isDefault = sub.Contains("default");
                         bool isForced = sub.Contains("forced");
 
@@ -189,9 +194,12 @@ namespace Kyoo.InternalAPI
 
                         Track track = new Track(Models.Watch.StreamType.Subtitle, null, language, isDefault, isForced, codec, false, sub) { episodeID = episode.id };
                         libraryManager.RegisterTrack(track);
+
+                        ret = true;
+                    }
                 }
 
-                return true;
+                return ret;
             }
 
             return false;

Kyoo/InternalAPI/Transcoder/TranscoderAPI.cs

@@ -16,25 +16,33 @@ namespace Kyoo.InternalAPI.TranscoderLink
         public extern static int Transmux(string path, string outPath);
 
         [DllImport(TranscoderPath, CallingConvention = CallingConvention.Cdecl)]
-        private extern static IntPtr ExtractSubtitles(string path, string outPath, out int streams);
+        [return:MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPStruct, SizeParamIndex = 3)]
+        private extern static Stream[] ExtractSubtitles(string path, string outPath, out int arrayLength/*, out int trackCount*/);
 
         public static void ExtractSubtitles(string path, string outPath, out Track[] tracks)
         {
-            int size = Marshal.SizeOf<Stream>();
+            //int size = Marshal.SizeOf<Stream>();
 
-            IntPtr streamsPtr = ExtractSubtitles(path, outPath, out int length);
+            Stream[] streamsPtr = ExtractSubtitles(path, outPath, out int count/*, out int trackCount*/);
-            if (length > 0)
-            {
-                tracks = new Track[length];
-
-                for (int i = 0; i < length; i++)
-                {
-                    tracks[i] = Track.From(Marshal.PtrToStructure<Stream>(streamsPtr), StreamType.Subtitle);
-                    streamsPtr += size;
-                }
-            }
-            else
             tracks = null;
+            //if (trackCount > 0)
+            //{
+            //    tracks = new Track[trackCount];
+
+            //    int j = 0;
+            //    for (int i = 0; i < arrayLength; i++)
+            //    {
+            //        Stream stream = Marshal.PtrToStructure<Stream>(streamsPtr);
+            //        if (stream.Codec != null) //If the codec is null, the stream doesn't represent a subtitle.
+            //        {
+            //            tracks[j] = Track.From(stream, StreamType.Subtitle);
+            //            j++;
+            //        }
+            //        streamsPtr += size;
+            //    }
+            //}
+            //else
+            //    tracks = null;
         }
     }
 }

Kyoo/Kyoo.csproj

@@ -10,6 +10,9 @@
 
     <!-- Set this to true if you enable server-side prerendering -->
     <BuildServerSideRenderer>false</BuildServerSideRenderer>
+    <Company>SDG</Company>
+    <Authors>Anonymus-Raccoon</Authors>
+    <RepositoryUrl>https://github.com/AnonymusRaccoon/Kyoo</RepositoryUrl>
   </PropertyGroup>
 
   <ItemGroup>

Kyoo/Models/Track.cs

@@ -62,11 +62,17 @@ namespace Kyoo.Models
 
         public static Track From(Stream stream)
         {
+            if (stream == null)
+                return null;
+
             return new Track(StreamType.Unknow, stream.Title, stream.Language, stream.IsDefault, stream.IsForced, stream.Codec, false, stream.Path);
         }
 
         public static Track From(Stream stream, StreamType type)
         {
+            if (stream == null)
+                return null;
+
             return new Track(type, stream.Title, stream.Language, stream.IsDefault, stream.IsForced, stream.Codec, false, stream.Path);
         }