Parse SupplementalProperty elements in DASH adaptation sets

This will be used to merge adaptation sets that are marked for
seamless switching into single TrackGroups in DashMediaSource.

Issue: #2431

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=157209358

library/dash/src/androidTest/java/com/google/android/exoplayer2/source/dash/DashUtilTest.java

@@ -62,7 +62,7 @@ public final class DashUtilTest extends TestCase {
   }
 
   private static AdaptationSet newAdaptationSets(Representation... representations) {
-    return new AdaptationSet(0, C.TRACK_TYPE_VIDEO, Arrays.asList(representations), null);
+    return new AdaptationSet(0, C.TRACK_TYPE_VIDEO, Arrays.asList(representations), null, null);
   }
 
   private static Representation newRepresentations(DrmInitData drmInitData) {

library/dash/src/androidTest/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParserTest.java

@@ -115,12 +115,12 @@ public class DashManifestParserTest extends InstrumentationTestCase {
             buildCea708AccessibilityDescriptors("Wrong format")));
   }
 
-  private static List<SchemeValuePair> buildCea608AccessibilityDescriptors(String value) {
+  private static List<Descriptor> buildCea608AccessibilityDescriptors(String value) {
-    return Collections.singletonList(new SchemeValuePair("urn:scte:dash:cc:cea-608:2015", value));
+    return Collections.singletonList(new Descriptor("urn:scte:dash:cc:cea-608:2015", value, null));
   }
 
-  private static List<SchemeValuePair> buildCea708AccessibilityDescriptors(String value) {
+  private static List<Descriptor> buildCea708AccessibilityDescriptors(String value) {
-    return Collections.singletonList(new SchemeValuePair("urn:scte:dash:cc:cea-708:2015", value));
+    return Collections.singletonList(new Descriptor("urn:scte:dash:cc:cea-708:2015", value, null));
   }
 
 }

library/dash/src/androidTest/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestTest.java

@@ -30,8 +30,6 @@ import junit.framework.TestCase;
 public class DashManifestTest extends TestCase {
 
   private static final UtcTimingElement DUMMY_UTC_TIMING = new UtcTimingElement("", "");
-  private static final List<SchemeValuePair> DUMMY_ACCESSIBILITY_DESCRIPTORS =
-      Collections.emptyList();
   private static final SingleSegmentBase DUMMY_SEGMENT_BASE = new SingleSegmentBase();
   private static final Format DUMMY_FORMAT = Format.createSampleFormat("", "", 0);
 
@@ -190,8 +188,7 @@ public class DashManifestTest extends TestCase {
   }
 
   private static AdaptationSet newAdaptationSet(int seed, Representation... representations) {
-    return new AdaptationSet(++seed, ++seed, Arrays.asList(representations),
+    return new AdaptationSet(++seed, ++seed, Arrays.asList(representations), null, null);
-        DUMMY_ACCESSIBILITY_DESCRIPTORS);
   }
 
 }

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/DashMediaPeriod.java

@@ -30,8 +30,8 @@ import com.google.android.exoplayer2.source.chunk.ChunkSampleStream;
 import com.google.android.exoplayer2.source.chunk.ChunkSampleStream.EmbeddedSampleStream;
 import com.google.android.exoplayer2.source.dash.manifest.AdaptationSet;
 import com.google.android.exoplayer2.source.dash.manifest.DashManifest;
+import com.google.android.exoplayer2.source.dash.manifest.Descriptor;
 import com.google.android.exoplayer2.source.dash.manifest.Representation;
-import com.google.android.exoplayer2.source.dash.manifest.SchemeValuePair;
 import com.google.android.exoplayer2.trackselection.TrackSelection;
 import com.google.android.exoplayer2.upstream.Allocator;
 import com.google.android.exoplayer2.upstream.LoaderErrorThrower;
@@ -319,9 +319,9 @@ import java.util.List;
   }
 
   private static boolean hasCea608Track(AdaptationSet adaptationSet) {
-    List<SchemeValuePair> descriptors = adaptationSet.accessibilityDescriptors;
+    List<Descriptor> descriptors = adaptationSet.accessibilityDescriptors;
     for (int i = 0; i < descriptors.size(); i++) {
-      SchemeValuePair descriptor = descriptors.get(i);
+      Descriptor descriptor = descriptors.get(i);
       if ("urn:scte:dash:cc:cea-608:2015".equals(descriptor.schemeIdUri)) {
         return true;
       }

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/AdaptationSet.java

@@ -41,31 +41,40 @@ public class AdaptationSet {
   public final int type;
 
   /**
-   * The {@link Representation}s in the adaptation set.
+   * {@link Representation}s in the adaptation set.
    */
   public final List<Representation> representations;
 
   /**
-   * The accessibility descriptors in the adaptation set.
+   * Accessibility descriptors in the adaptation set.
    */
-  public final List<SchemeValuePair> accessibilityDescriptors;
+  public final List<Descriptor> accessibilityDescriptors;
+
+  /**
+   * Supplemental properties in the adaptation set.
+   */
+  public final List<Descriptor> supplementalProperties;
 
   /**
    * @param id A non-negative identifier for the adaptation set that's unique in the scope of its
    *     containing period, or {@link #ID_UNSET} if not specified.
    * @param type The type of the adaptation set. One of the {@link com.google.android.exoplayer2.C}
    *     {@code TRACK_TYPE_*} constants.
-   * @param representations The {@link Representation}s in the adaptation set.
+   * @param representations {@link Representation}s in the adaptation set.
-   * @param accessibilityDescriptors The accessibility descriptors in the adaptation set.
+   * @param accessibilityDescriptors Accessibility descriptors in the adaptation set.
+   * @param supplementalProperties Supplemental properties in the adaptation set.
    */
   public AdaptationSet(int id, int type, List<Representation> representations,
-      List<SchemeValuePair> accessibilityDescriptors) {
+      List<Descriptor> accessibilityDescriptors, List<Descriptor> supplementalProperties) {
     this.id = id;
     this.type = type;
     this.representations = Collections.unmodifiableList(representations);
     this.accessibilityDescriptors = accessibilityDescriptors == null
-        ? Collections.<SchemeValuePair>emptyList()
+        ? Collections.<Descriptor>emptyList()
         : Collections.unmodifiableList(accessibilityDescriptors);
+    this.supplementalProperties = supplementalProperties == null
+        ? Collections.<Descriptor>emptyList()
+        : Collections.unmodifiableList(supplementalProperties);
   }
 
 }

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifest.java

@@ -134,7 +134,8 @@ public class DashManifest {
       } while(key.periodIndex == periodIndex && key.adaptationSetIndex == adaptationSetIndex);
 
       copyAdaptationSets.add(new AdaptationSet(adaptationSet.id, adaptationSet.type,
-          copyRepresentations, adaptationSet.accessibilityDescriptors));
+          copyRepresentations, adaptationSet.accessibilityDescriptors,
+          adaptationSet.supplementalProperties));
     } while(key.periodIndex == periodIndex);
     // Add back the last key which doesn't belong to the period being processed
     keys.addFirst(key);

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java

@@ -239,8 +239,9 @@ public class DashManifestParser extends DefaultHandler
     int audioSamplingRate = parseInt(xpp, "audioSamplingRate", Format.NO_VALUE);
     String language = xpp.getAttributeValue(null, "lang");
     ArrayList<SchemeData> drmSchemeDatas = new ArrayList<>();
-    ArrayList<SchemeValuePair> inbandEventStreams = new ArrayList<>();
+    ArrayList<Descriptor> inbandEventStreams = new ArrayList<>();
-    ArrayList<SchemeValuePair> accessibilityDescriptors = new ArrayList<>();
+    ArrayList<Descriptor> accessibilityDescriptors = new ArrayList<>();
+    ArrayList<Descriptor> supplementalProperties = new ArrayList<>();
     List<RepresentationInfo> representationInfos = new ArrayList<>();
     @C.SelectionFlags int selectionFlags = 0;
 
@@ -265,7 +266,9 @@ public class DashManifestParser extends DefaultHandler
       } else if (XmlPullParserUtil.isStartTag(xpp, "AudioChannelConfiguration")) {
         audioChannels = parseAudioChannelConfiguration(xpp);
       } else if (XmlPullParserUtil.isStartTag(xpp, "Accessibility")) {
-        accessibilityDescriptors.add(parseAccessibility(xpp));
+        accessibilityDescriptors.add(parseDescriptor(xpp, "Accessibility"));
+      } else if (XmlPullParserUtil.isStartTag(xpp, "SupplementalProperty")) {
+        supplementalProperties.add(parseDescriptor(xpp, "SupplementalProperty"));
       } else if (XmlPullParserUtil.isStartTag(xpp, "Representation")) {
         RepresentationInfo representationInfo = parseRepresentation(xpp, baseUrl, mimeType, codecs,
             width, height, frameRate, audioChannels, audioSamplingRate, language,
@@ -280,7 +283,7 @@ public class DashManifestParser extends DefaultHandler
       } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) {
         segmentBase = parseSegmentTemplate(xpp, (SegmentTemplate) segmentBase);
       } else if (XmlPullParserUtil.isStartTag(xpp, "InbandEventStream")) {
-        inbandEventStreams.add(parseInbandEventStream(xpp));
+        inbandEventStreams.add(parseDescriptor(xpp, "InbandEventStream"));
       } else if (XmlPullParserUtil.isStartTag(xpp)) {
         parseAdaptationSetChild(xpp);
       }
@@ -293,12 +296,15 @@ public class DashManifestParser extends DefaultHandler
           drmSchemeDatas, inbandEventStreams));
     }
 
-    return buildAdaptationSet(id, contentType, representations, accessibilityDescriptors);
+    return buildAdaptationSet(id, contentType, representations, accessibilityDescriptors,
+        supplementalProperties);
   }
 
   protected AdaptationSet buildAdaptationSet(int id, int contentType,
-      List<Representation> representations, List<SchemeValuePair> accessibilityDescriptors) {
+      List<Representation> representations, List<Descriptor> accessibilityDescriptors,
-    return new AdaptationSet(id, contentType, representations, accessibilityDescriptors);
+      List<Descriptor> supplementalProperties) {
+    return new AdaptationSet(id, contentType, representations, accessibilityDescriptors,
+        supplementalProperties);
   }
 
   protected int parseContentType(XmlPullParser xpp) {
@@ -366,32 +372,6 @@ public class DashManifestParser extends DefaultHandler
         : null;
   }
 
-  /**
-   * Parses an InbandEventStream element.
-   *
-   * @param xpp The parser from which to read.
-   * @throws XmlPullParserException If an error occurs parsing the element.
-   * @throws IOException If an error occurs reading the element.
-   * @return A {@link SchemeValuePair} parsed from the element.
-   */
-  protected SchemeValuePair parseInbandEventStream(XmlPullParser xpp)
-      throws XmlPullParserException, IOException {
-    return parseSchemeValuePair(xpp, "InbandEventStream");
-  }
-
-  /**
-   * Parses an Accessibility element.
-   *
-   * @param xpp The parser from which to read.
-   * @throws XmlPullParserException If an error occurs parsing the element.
-   * @throws IOException If an error occurs reading the element.
-   * @return A {@link SchemeValuePair} parsed from the element.
-   */
-  protected SchemeValuePair parseAccessibility(XmlPullParser xpp)
-      throws XmlPullParserException, IOException {
-    return parseSchemeValuePair(xpp, "Accessibility");
-  }
-
   /**
    * Parses a Role element.
    *
@@ -429,7 +409,7 @@ public class DashManifestParser extends DefaultHandler
       int adaptationSetHeight, float adaptationSetFrameRate, int adaptationSetAudioChannels,
       int adaptationSetAudioSamplingRate, String adaptationSetLanguage,
       @C.SelectionFlags int adaptationSetSelectionFlags,
-      List<SchemeValuePair> adaptationSetAccessibilityDescriptors, SegmentBase segmentBase)
+      List<Descriptor> adaptationSetAccessibilityDescriptors, SegmentBase segmentBase)
       throws XmlPullParserException, IOException {
     String id = xpp.getAttributeValue(null, "id");
     int bandwidth = parseInt(xpp, "bandwidth", Format.NO_VALUE);
@@ -442,7 +422,7 @@ public class DashManifestParser extends DefaultHandler
     int audioChannels = adaptationSetAudioChannels;
     int audioSamplingRate = parseInt(xpp, "audioSamplingRate", adaptationSetAudioSamplingRate);
     ArrayList<SchemeData> drmSchemeDatas = new ArrayList<>();
-    ArrayList<SchemeValuePair> inbandEventStreams = new ArrayList<>();
+    ArrayList<Descriptor> inbandEventStreams = new ArrayList<>();
 
     boolean seenFirstBaseUrl = false;
     do {
@@ -466,7 +446,7 @@ public class DashManifestParser extends DefaultHandler
           drmSchemeDatas.add(contentProtection);
         }
       } else if (XmlPullParserUtil.isStartTag(xpp, "InbandEventStream")) {
-        inbandEventStreams.add(parseInbandEventStream(xpp));
+        inbandEventStreams.add(parseDescriptor(xpp, "InbandEventStream"));
       }
     } while (!XmlPullParserUtil.isEndTag(xpp, "Representation"));
 
@@ -480,7 +460,7 @@ public class DashManifestParser extends DefaultHandler
 
   protected Format buildFormat(String id, String containerMimeType, int width, int height,
       float frameRate, int audioChannels, int audioSamplingRate, int bitrate, String language,
-      @C.SelectionFlags int selectionFlags, List<SchemeValuePair> accessibilityDescriptors,
+      @C.SelectionFlags int selectionFlags, List<Descriptor> accessibilityDescriptors,
       String codecs) {
     String sampleMimeType = getSampleMimeType(containerMimeType, codecs);
     if (sampleMimeType != null) {
@@ -509,14 +489,14 @@ public class DashManifestParser extends DefaultHandler
 
   protected Representation buildRepresentation(RepresentationInfo representationInfo,
       String contentId, ArrayList<SchemeData> extraDrmSchemeDatas,
-      ArrayList<SchemeValuePair> extraInbandEventStreams) {
+      ArrayList<Descriptor> extraInbandEventStreams) {
     Format format = representationInfo.format;
     ArrayList<SchemeData> drmSchemeDatas = representationInfo.drmSchemeDatas;
     drmSchemeDatas.addAll(extraDrmSchemeDatas);
     if (!drmSchemeDatas.isEmpty()) {
       format = format.copyWithDrmInitData(new DrmInitData(drmSchemeDatas));
     }
-    ArrayList<SchemeValuePair> inbandEventStremas = representationInfo.inbandEventStreams;
+    ArrayList<Descriptor> inbandEventStremas = representationInfo.inbandEventStreams;
     inbandEventStremas.addAll(extraInbandEventStreams);
     return Representation.newInstance(contentId, Representation.REVISION_ID_DEFAULT, format,
         representationInfo.baseUrl, representationInfo.segmentBase, inbandEventStremas);
@@ -809,28 +789,29 @@ public class DashManifestParser extends DefaultHandler
   }
 
   /**
-   * Parses a {@link SchemeValuePair} from an element.
+   * Parses a {@link Descriptor} from an element.
    *
    * @param xpp The parser from which to read.
    * @param tag The tag of the element being parsed.
    * @throws XmlPullParserException If an error occurs parsing the element.
    * @throws IOException If an error occurs reading the element.
-   * @return The parsed {@link SchemeValuePair}.
+   * @return The parsed {@link Descriptor}.
    */
-  protected static SchemeValuePair parseSchemeValuePair(XmlPullParser xpp, String tag)
+  protected static Descriptor parseDescriptor(XmlPullParser xpp, String tag)
       throws XmlPullParserException, IOException {
-    String schemeIdUri = parseString(xpp, "schemeIdUri", null);
+    String schemeIdUri = parseString(xpp, "schemeIdUri", "");
     String value = parseString(xpp, "value", null);
+    String id = parseString(xpp, "id", null);
     do {
       xpp.next();
     } while (!XmlPullParserUtil.isEndTag(xpp, tag));
-    return new SchemeValuePair(schemeIdUri, value);
+    return new Descriptor(schemeIdUri, value, id);
   }
 
   protected static int parseCea608AccessibilityChannel(
-      List<SchemeValuePair> accessibilityDescriptors) {
+      List<Descriptor> accessibilityDescriptors) {
     for (int i = 0; i < accessibilityDescriptors.size(); i++) {
-      SchemeValuePair descriptor = accessibilityDescriptors.get(i);
+      Descriptor descriptor = accessibilityDescriptors.get(i);
       if ("urn:scte:dash:cc:cea-608:2015".equals(descriptor.schemeIdUri)
           && descriptor.value != null) {
         Matcher accessibilityValueMatcher = CEA_608_ACCESSIBILITY_PATTERN.matcher(descriptor.value);
@@ -845,9 +826,9 @@ public class DashManifestParser extends DefaultHandler
   }
 
   protected static int parseCea708AccessibilityChannel(
-      List<SchemeValuePair> accessibilityDescriptors) {
+      List<Descriptor> accessibilityDescriptors) {
     for (int i = 0; i < accessibilityDescriptors.size(); i++) {
-      SchemeValuePair descriptor = accessibilityDescriptors.get(i);
+      Descriptor descriptor = accessibilityDescriptors.get(i);
       if ("urn:scte:dash:cc:cea-708:2015".equals(descriptor.schemeIdUri)
           && descriptor.value != null) {
         Matcher accessibilityValueMatcher = CEA_708_ACCESSIBILITY_PATTERN.matcher(descriptor.value);
@@ -925,10 +906,10 @@ public class DashManifestParser extends DefaultHandler
     public final String baseUrl;
     public final SegmentBase segmentBase;
     public final ArrayList<SchemeData> drmSchemeDatas;
-    public final ArrayList<SchemeValuePair> inbandEventStreams;
+    public final ArrayList<Descriptor> inbandEventStreams;
 
     public RepresentationInfo(Format format, String baseUrl, SegmentBase segmentBase,
-        ArrayList<SchemeData> drmSchemeDatas, ArrayList<SchemeValuePair> inbandEventStreams) {
+        ArrayList<SchemeData> drmSchemeDatas, ArrayList<Descriptor> inbandEventStreams) {
       this.format = format;
       this.baseUrl = baseUrl;
       this.segmentBase = segmentBase;

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/Descriptor.java

@@ -15,19 +15,37 @@
  */
 package com.google.android.exoplayer2.source.dash.manifest;
 
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import com.google.android.exoplayer2.util.Util;
 
 /**
- * A pair consisting of a scheme ID and value.
+ * A descriptor, as defined by ISO 23009-1, 2nd edition, 5.8.2.
  */
-public class SchemeValuePair {
+public final class Descriptor {
 
-  public final String schemeIdUri;
+  /**
-  public final String value;
+   * The scheme URI.
+   */
+  @NonNull public final String schemeIdUri;
+  /**
+   * The value, or null.
+   */
+  @Nullable public final String value;
+  /**
+   * The identifier, or null.
+   */
+  @Nullable public final String id;
 
-  public SchemeValuePair(String schemeIdUri, String value) {
+  /**
+   * @param schemeIdUri The scheme URI.
+   * @param value The value, or null.
+   * @param id The identifier, or null.
+   */
+  public Descriptor(@NonNull String schemeIdUri, @Nullable String value, @Nullable String id) {
     this.schemeIdUri = schemeIdUri;
     this.value = value;
+    this.id = id;
   }
 
   @Override
@@ -38,14 +56,17 @@ public class SchemeValuePair {
     if (obj == null || getClass() != obj.getClass()) {
       return false;
     }
-    SchemeValuePair other = (SchemeValuePair) obj;
+    Descriptor other = (Descriptor) obj;
-    return Util.areEqual(schemeIdUri, other.schemeIdUri) && Util.areEqual(value, other.value);
+    return Util.areEqual(schemeIdUri, other.schemeIdUri) && Util.areEqual(value, other.value)
+        && Util.areEqual(id, other.id);
   }
 
   @Override
   public int hashCode() {
-    return 31 * (schemeIdUri != null ? schemeIdUri.hashCode() : 0)
+    int result = (schemeIdUri != null ? schemeIdUri.hashCode() : 0);
-        + (value != null ? value.hashCode() : 0);
+    result = 31 * result + (value != null ? value.hashCode() : 0);
+    result = 31 * result + (id != null ? id.hashCode() : 0);
+    return result;
   }
 
 }

library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/Representation.java

@@ -65,7 +65,7 @@ public abstract class Representation {
   /**
    * The in-band event streams in the representation. Never null, but may be empty.
    */
-  public final List<SchemeValuePair> inbandEventStreams;
+  public final List<Descriptor> inbandEventStreams;
 
   private final RangedUri initializationUri;
 
@@ -96,7 +96,7 @@ public abstract class Representation {
    * @return The constructed instance.
    */
   public static Representation newInstance(String contentId, long revisionId, Format format,
-      String baseUrl, SegmentBase segmentBase, List<SchemeValuePair> inbandEventStreams) {
+      String baseUrl, SegmentBase segmentBase, List<Descriptor> inbandEventStreams) {
     return newInstance(contentId, revisionId, format, baseUrl, segmentBase, inbandEventStreams,
         null);
   }
@@ -115,7 +115,7 @@ public abstract class Representation {
    * @return The constructed instance.
    */
   public static Representation newInstance(String contentId, long revisionId, Format format,
-      String baseUrl, SegmentBase segmentBase, List<SchemeValuePair> inbandEventStreams,
+      String baseUrl, SegmentBase segmentBase, List<Descriptor> inbandEventStreams,
       String customCacheKey) {
     if (segmentBase instanceof SingleSegmentBase) {
       return new SingleSegmentRepresentation(contentId, revisionId, format, baseUrl,
@@ -130,13 +130,12 @@ public abstract class Representation {
   }
 
   private Representation(String contentId, long revisionId, Format format, String baseUrl,
-      SegmentBase segmentBase, List<SchemeValuePair> inbandEventStreams) {
+      SegmentBase segmentBase, List<Descriptor> inbandEventStreams) {
     this.contentId = contentId;
     this.revisionId = revisionId;
     this.format = format;
     this.baseUrl = baseUrl;
-    this.inbandEventStreams = inbandEventStreams == null
+    this.inbandEventStreams = inbandEventStreams == null ? Collections.<Descriptor>emptyList()
-        ? Collections.<SchemeValuePair>emptyList()
         : Collections.unmodifiableList(inbandEventStreams);
     initializationUri = segmentBase.getInitialization(this);
     presentationTimeOffsetUs = segmentBase.getPresentationTimeOffsetUs();
@@ -201,8 +200,8 @@ public abstract class Representation {
      */
     public static SingleSegmentRepresentation newInstance(String contentId, long revisionId,
         Format format, String uri, long initializationStart, long initializationEnd,
-        long indexStart, long indexEnd, List<SchemeValuePair> inbandEventStreams,
+        long indexStart, long indexEnd, List<Descriptor> inbandEventStreams, String customCacheKey,
-        String customCacheKey, long contentLength) {
+        long contentLength) {
       RangedUri rangedUri = new RangedUri(null, initializationStart,
           initializationEnd - initializationStart + 1);
       SingleSegmentBase segmentBase = new SingleSegmentBase(rangedUri, 1, 0, indexStart,
@@ -222,7 +221,7 @@ public abstract class Representation {
      * @param contentLength The content length, or {@link C#LENGTH_UNSET} if unknown.
      */
     public SingleSegmentRepresentation(String contentId, long revisionId, Format format,
-        String baseUrl, SingleSegmentBase segmentBase, List<SchemeValuePair> inbandEventStreams,
+        String baseUrl, SingleSegmentBase segmentBase, List<Descriptor> inbandEventStreams,
         String customCacheKey, long contentLength) {
       super(contentId, revisionId, format, baseUrl, segmentBase, inbandEventStreams);
       this.uri = Uri.parse(baseUrl);
@@ -270,7 +269,7 @@ public abstract class Representation {
      * @param inbandEventStreams The in-band event streams in the representation. May be null.
      */
     public MultiSegmentRepresentation(String contentId, long revisionId, Format format,
-        String baseUrl, MultiSegmentBase segmentBase, List<SchemeValuePair> inbandEventStreams) {
+        String baseUrl, MultiSegmentBase segmentBase, List<Descriptor> inbandEventStreams) {
       super(contentId, revisionId, format, baseUrl, segmentBase, inbandEventStreams);
       this.segmentBase = segmentBase;
     }