Fixed local Dash webm video casting

app/src/main/java/com/futo/platformplayer/api/http/server/handlers/HttpFileHandler.kt

@@ -46,7 +46,8 @@ class HttpFileHandler(method: String, path: String, private val contentType: Str
         }
 
         var totalBytesSent = 0
-        val contentLength = end - start + 1
+        val byteReadOffset = if (contentType == "video/webm" && end == 8192L) 0 else 1;
+        val contentLength = end - start + byteReadOffset
         responseHeaders["Content-Length"] = contentLength.toString()
         Logger.i(TAG, "Sending $contentLength bytes (start: $start, end: $end)")
 
@@ -59,7 +60,7 @@ class HttpFileHandler(method: String, path: String, private val contentType: Str
 
                     val outputStream = responseStream
                     while (true) {
-                        val expectedBytesRead = (end - current + 1).coerceAtMost(buffer.size.toLong());
+                        val expectedBytesRead = (end - current + byteReadOffset).coerceAtMost(buffer.size.toLong());
                         val bytesRead = inputStream.read(buffer);
                         if (bytesRead < 0) {
                             Logger.i(TAG, "End of file reached")

app/src/main/java/com/futo/platformplayer/casting/StateCasting.kt

@@ -501,14 +501,15 @@ class StateCasting {
         val id = UUID.randomUUID();
         val videoPath = "/video-${id}"
         val videoUrl = url + videoPath;
+        val videoContainer = if (videoSource.container == "application/vnd.apple.mpegurl") "video/mp4" else videoSource.container;
 
         _castServer.addHandlerWithAllowAllOptions(
-            HttpFileHandler("GET", videoPath, videoSource.container, videoSource.filePath)
+            HttpFileHandler("GET", videoPath, videoContainer, videoSource.filePath)
                 .withHeader("Access-Control-Allow-Origin", "*"), true
         ).withTag("cast");
 
         Logger.i(TAG, "Casting local video (videoUrl: $videoUrl).");
-        ad.loadVideo("BUFFERED", videoSource.container, videoUrl, resumePosition, video.duration.toDouble(), speed);
+        ad.loadVideo("BUFFERED", videoContainer, videoUrl, resumePosition, video.duration.toDouble(), speed);
 
         return listOf(videoUrl);
     }