diff --git a/library/src/main/java/com/google/android/exoplayer/Format.java b/library/src/main/java/com/google/android/exoplayer/Format.java
index 14dfe1edce..d474a9af28 100644
--- a/library/src/main/java/com/google/android/exoplayer/Format.java
+++ b/library/src/main/java/com/google/android/exoplayer/Format.java
@@ -226,6 +226,15 @@ public final class Format {
         subsampleOffsetUs, null, false);
   }
 
+  // Image.
+
+  public static Format createImageSampleFormat(String id, String sampleMimeType, int bitrate,
+      List<byte[]> initializationData, String language) {
+    return new Format(id, null, sampleMimeType, bitrate, NO_VALUE, NO_VALUE, NO_VALUE,
+        NO_VALUE, NO_VALUE, NO_VALUE, NO_VALUE, NO_VALUE, NO_VALUE, NO_VALUE, language,
+        OFFSET_SAMPLE_RELATIVE, initializationData, false);
+  }
+
   // Generic.
 
   public static Format createContainerFormat(String id, String containerMimeType,
diff --git a/library/src/main/java/com/google/android/exoplayer/extractor/webm/WebmExtractor.java b/library/src/main/java/com/google/android/exoplayer/extractor/webm/WebmExtractor.java
index f234644e88..3cc6c00299 100644
--- a/library/src/main/java/com/google/android/exoplayer/extractor/webm/WebmExtractor.java
+++ b/library/src/main/java/com/google/android/exoplayer/extractor/webm/WebmExtractor.java
@@ -82,6 +82,8 @@ public final class WebmExtractor implements Extractor {
   private static final String CODEC_ID_DTS_LOSSLESS = "A_DTS/LOSSLESS";
   private static final String CODEC_ID_FLAC = "A_FLAC";
   private static final String CODEC_ID_SUBRIP = "S_TEXT/UTF8";
+  private static final String CODEC_ID_VOBSUB = "S_VOBSUB";
+  private static final String CODEC_ID_PGS = "S_HDMV/PGS";
 
   private static final int VORBIS_MAX_INPUT_SIZE = 8192;
   private static final int OPUS_MAX_INPUT_SIZE = 5760;
@@ -1068,7 +1070,9 @@ public final class WebmExtractor implements Extractor {
         || CODEC_ID_DTS_EXPRESS.equals(codecId)
         || CODEC_ID_DTS_LOSSLESS.equals(codecId)
         || CODEC_ID_FLAC.equals(codecId)
-        || CODEC_ID_SUBRIP.equals(codecId);
+        || CODEC_ID_SUBRIP.equals(codecId)
+        || CODEC_ID_VOBSUB.equals(codecId)
+        || CODEC_ID_PGS.equals(codecId);
   }
 
   /**
@@ -1253,6 +1257,13 @@ public final class WebmExtractor implements Extractor {
         case CODEC_ID_SUBRIP:
           mimeType = MimeTypes.APPLICATION_SUBRIP;
           break;
+        case CODEC_ID_VOBSUB:
+          mimeType = MimeTypes.APPLICATION_VOBSUB;
+          initializationData = Collections.singletonList(codecPrivate);
+          break;
+        case CODEC_ID_PGS:
+          mimeType = MimeTypes.APPLICATION_PGS;
+          break;
         default:
           throw new ParserException("Unrecognized codec identifier.");
       }
@@ -1278,6 +1289,10 @@ public final class WebmExtractor implements Extractor {
       } else if (MimeTypes.APPLICATION_SUBRIP.equals(mimeType)) {
         format = Format.createTextSampleFormat(Integer.toString(trackId), mimeType, Format.NO_VALUE,
             language);
+      } else if (MimeTypes.APPLICATION_VOBSUB.equals(mimeType)
+          || MimeTypes.APPLICATION_PGS.equals(mimeType)) {
+        format = Format.createImageSampleFormat(Integer.toString(trackId), mimeType,
+            Format.NO_VALUE, initializationData, language);
       } else {
         throw new ParserException("Unexpected MIME type.");
       }
diff --git a/library/src/main/java/com/google/android/exoplayer/upstream/UdpDataSource.java b/library/src/main/java/com/google/android/exoplayer/upstream/UdpDataSource.java
index c9a41e3aa3..4c4bd70f5a 100644
--- a/library/src/main/java/com/google/android/exoplayer/upstream/UdpDataSource.java
+++ b/library/src/main/java/com/google/android/exoplayer/upstream/UdpDataSource.java
@@ -82,9 +82,8 @@ public final class UdpDataSource implements UriDataSource {
   @Override
   public long open(DataSpec dataSpec) throws UdpDataSourceException {
     this.dataSpec = dataSpec;
-    String uri = dataSpec.uri.toString();
-    String host = uri.substring(0, uri.indexOf(':'));
-    int port = Integer.parseInt(uri.substring(uri.indexOf(':') + 1));
+    String host = dataSpec.uri.getHost();
+    int port = dataSpec.uri.getPort();
 
     try {
       address = InetAddress.getByName(host);
diff --git a/library/src/main/java/com/google/android/exoplayer/util/MimeTypes.java b/library/src/main/java/com/google/android/exoplayer/util/MimeTypes.java
index 4f13f78e33..5cee668dae 100644
--- a/library/src/main/java/com/google/android/exoplayer/util/MimeTypes.java
+++ b/library/src/main/java/com/google/android/exoplayer/util/MimeTypes.java
@@ -65,6 +65,8 @@ public final class MimeTypes {
   public static final String APPLICATION_M3U8 = BASE_TYPE_APPLICATION + "/x-mpegURL";
   public static final String APPLICATION_TX3G = BASE_TYPE_APPLICATION + "/x-quicktime-tx3g";
   public static final String APPLICATION_MP4VTT = BASE_TYPE_APPLICATION + "/x-mp4vtt";
+  public static final String APPLICATION_VOBSUB = BASE_TYPE_APPLICATION + "/vobsub";
+  public static final String APPLICATION_PGS = BASE_TYPE_APPLICATION + "/pgs";
 
   private MimeTypes() {}