Java Code Examples for com.google.android.exoplayer2.util.XmlPullParserUtil#isEndTag()

protected List<SegmentTimelineElement> parseSegmentTimeline(XmlPullParser xpp)
    throws XmlPullParserException, IOException {
  List<SegmentTimelineElement> segmentTimeline = new ArrayList<>();
  long elapsedTime = 0;
  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "S")) {
      elapsedTime = parseLong(xpp, "t", elapsedTime);
      long duration = parseLong(xpp, "d", C.TIME_UNSET);
      int count = 1 + parseInt(xpp, "r", 0);
      for (int i = 0; i < count; i++) {
        segmentTimeline.add(buildSegmentTimelineElement(elapsedTime, duration));
        elapsedTime += duration;
      }
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "SegmentTimeline"));
  return segmentTimeline;
}
 

protected SingleSegmentBase parseSegmentBase(XmlPullParser xpp, SingleSegmentBase parent)
    throws XmlPullParserException, IOException {

  long timescale = parseLong(xpp, "timescale", parent != null ? parent.timescale : 1);
  long presentationTimeOffset = parseLong(xpp, "presentationTimeOffset",
      parent != null ? parent.presentationTimeOffset : 0);

  long indexStart = parent != null ? parent.indexStart : 0;
  long indexLength = parent != null ? parent.indexLength : 0;
  String indexRangeText = xpp.getAttributeValue(null, "indexRange");
  if (indexRangeText != null) {
    String[] indexRange = indexRangeText.split("-");
    indexStart = Long.parseLong(indexRange[0]);
    indexLength = Long.parseLong(indexRange[1]) - indexStart + 1;
  }

  RangedUri initialization = parent != null ? parent.initialization : null;
  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "Initialization")) {
      initialization = parseInitialization(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "SegmentBase"));

  return buildSingleSegmentBase(initialization, timescale, presentationTimeOffset, indexStart,
      indexLength);
}
 

protected Pair<Period, Long> parsePeriod(XmlPullParser xpp, String baseUrl, long defaultStartMs)
    throws XmlPullParserException, IOException {
  String id = xpp.getAttributeValue(null, "id");
  long startMs = parseDuration(xpp, "start", defaultStartMs);
  long durationMs = parseDuration(xpp, "duration", C.TIME_UNSET);
  SegmentBase segmentBase = null;
  List<AdaptationSet> adaptationSets = new ArrayList<>();
  List<EventStream> eventStreams = new ArrayList<>();
  boolean seenFirstBaseUrl = false;
  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "BaseURL")) {
      if (!seenFirstBaseUrl) {
        baseUrl = parseBaseUrl(xpp, baseUrl);
        seenFirstBaseUrl = true;
      }
    } else if (XmlPullParserUtil.isStartTag(xpp, "AdaptationSet")) {
      adaptationSets.add(parseAdaptationSet(xpp, baseUrl, segmentBase));
    } else if (XmlPullParserUtil.isStartTag(xpp, "EventStream")) {
      eventStreams.add(parseEventStream(xpp));
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentBase")) {
      segmentBase = parseSegmentBase(xpp, null);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentList")) {
      segmentBase = parseSegmentList(xpp, null);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) {
      segmentBase = parseSegmentTemplate(xpp, null);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "Period"));

  return Pair.create(buildPeriod(id, startMs, adaptationSets, eventStreams), durationMs);
}
 

/**
 * 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 Descriptor}.
 */
protected static Descriptor parseDescriptor(XmlPullParser xpp, String tag)
    throws XmlPullParserException, IOException {
  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 Descriptor(schemeIdUri, value, id);
}
 

protected Pair<Period, Long> parsePeriod(XmlPullParser xpp, String baseUrl, long defaultStartMs)
    throws XmlPullParserException, IOException {
  String id = xpp.getAttributeValue(null, "id");
  long startMs = parseDuration(xpp, "start", defaultStartMs);
  long durationMs = parseDuration(xpp, "duration", C.TIME_UNSET);
  SegmentBase segmentBase = null;
  List<AdaptationSet> adaptationSets = new ArrayList<>();
  List<EventStream> eventStreams = new ArrayList<>();
  boolean seenFirstBaseUrl = false;
  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "BaseURL")) {
      if (!seenFirstBaseUrl) {
        baseUrl = parseBaseUrl(xpp, baseUrl);
        seenFirstBaseUrl = true;
      }
    } else if (XmlPullParserUtil.isStartTag(xpp, "AdaptationSet")) {
      adaptationSets.add(parseAdaptationSet(xpp, baseUrl, segmentBase));
    } else if (XmlPullParserUtil.isStartTag(xpp, "EventStream")) {
      eventStreams.add(parseEventStream(xpp));
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentBase")) {
      segmentBase = parseSegmentBase(xpp, null);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentList")) {
      segmentBase = parseSegmentList(xpp, null);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) {
      segmentBase = parseSegmentTemplate(xpp, null, Collections.emptyList());
    } else {
      maybeSkipTag(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "Period"));

  return Pair.create(buildPeriod(id, startMs, adaptationSets, eventStreams), durationMs);
}
 

/**
 * 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 Descriptor}.
 */
protected static Descriptor parseDescriptor(XmlPullParser xpp, String tag)
    throws XmlPullParserException, IOException {
  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 Descriptor(schemeIdUri, value, id);
}
 

/**
 * If the provided {@link XmlPullParser} is currently positioned at the start of a tag, skips
 * forward to the end of that tag.
 *
 * @param xpp The {@link XmlPullParser}.
 * @throws XmlPullParserException If an error occurs parsing the stream.
 * @throws IOException If an error occurs reading the stream.
 */
public static void maybeSkipTag(XmlPullParser xpp) throws IOException, XmlPullParserException {
  if (!XmlPullParserUtil.isStartTag(xpp)) {
    return;
  }
  int depth = 1;
  while (depth != 0) {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp)) {
      depth++;
    } else if (XmlPullParserUtil.isEndTag(xpp)) {
      depth--;
    }
  }
}
 

private void parseMetadata(XmlPullParser xmlParser, Map<String, String> imageMap)
    throws IOException, XmlPullParserException {
  do {
    xmlParser.next();
    if (XmlPullParserUtil.isStartTag(xmlParser, TtmlNode.TAG_IMAGE)) {
      String id = XmlPullParserUtil.getAttributeValue(xmlParser, "id");
      if (id != null) {
        String encodedBitmapData = xmlParser.nextText();
        imageMap.put(id, encodedBitmapData);
      }
    }
  } while (!XmlPullParserUtil.isEndTag(xmlParser, TtmlNode.TAG_METADATA));
}
 

/**
 * Parses a Role 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 {@link C.SelectionFlags} parsed from the element.
 */
protected int parseRole(XmlPullParser xpp) throws XmlPullParserException, IOException {
  String schemeIdUri = parseString(xpp, "schemeIdUri", null);
  String value = parseString(xpp, "value", null);
  do {
    xpp.next();
  } while (!XmlPullParserUtil.isEndTag(xpp, "Role"));
  return "urn:mpeg:dash:role:2011".equals(schemeIdUri) && "main".equals(value)
      ? C.SELECTION_FLAG_DEFAULT : 0;
}
 

private Map<String, TtmlStyle> parseHeader(
    XmlPullParser xmlParser,
    Map<String, TtmlStyle> globalStyles,
    Map<String, TtmlRegion> globalRegions,
    CellResolution cellResolution)
    throws IOException, XmlPullParserException {
  do {
    xmlParser.next();
    if (XmlPullParserUtil.isStartTag(xmlParser, TtmlNode.TAG_STYLE)) {
      String parentStyleId = XmlPullParserUtil.getAttributeValue(xmlParser, ATTR_STYLE);
      TtmlStyle style = parseStyleAttributes(xmlParser, new TtmlStyle());
      if (parentStyleId != null) {
        for (String id : parseStyleIds(parentStyleId)) {
          style.chain(globalStyles.get(id));
        }
      }
      if (style.getId() != null) {
        globalStyles.put(style.getId(), style);
      }
    } else if (XmlPullParserUtil.isStartTag(xmlParser, TtmlNode.TAG_REGION)) {
      TtmlRegion ttmlRegion = parseRegionAttributes(xmlParser, cellResolution);
      if (ttmlRegion != null) {
        globalRegions.put(ttmlRegion.id, ttmlRegion);
      }
    }
  } while (!XmlPullParserUtil.isEndTag(xmlParser, TtmlNode.TAG_HEAD));
  return globalStyles;
}
 

/**
 * 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 Descriptor}.
 */
protected static Descriptor parseDescriptor(XmlPullParser xpp, String tag)
    throws XmlPullParserException, IOException {
  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 Descriptor(schemeIdUri, value, id);
}
 

/**
 * Parses a {@link SchemeValuePair} 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}.
 */
protected static SchemeValuePair parseSchemeValuePair(XmlPullParser xpp, String tag)
    throws XmlPullParserException, IOException {
  String schemeIdUri = parseString(xpp, "schemeIdUri", null);
  String value = parseString(xpp, "value", null);
  do {
    xpp.next();
  } while (!XmlPullParserUtil.isEndTag(xpp, tag));
  return new SchemeValuePair(schemeIdUri, value);
}
 

protected SegmentList parseSegmentList(XmlPullParser xpp, SegmentList parent)
    throws XmlPullParserException, IOException {

  long timescale = parseLong(xpp, "timescale", parent != null ? parent.timescale : 1);
  long presentationTimeOffset = parseLong(xpp, "presentationTimeOffset",
      parent != null ? parent.presentationTimeOffset : 0);
  long duration = parseLong(xpp, "duration", parent != null ? parent.duration : C.TIME_UNSET);
  long startNumber = parseLong(xpp, "startNumber", parent != null ? parent.startNumber : 1);

  RangedUri initialization = null;
  List<SegmentTimelineElement> timeline = null;
  List<RangedUri> segments = null;

  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "Initialization")) {
      initialization = parseInitialization(xpp);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTimeline")) {
      timeline = parseSegmentTimeline(xpp);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentURL")) {
      if (segments == null) {
        segments = new ArrayList<>();
      }
      segments.add(parseSegmentUrl(xpp));
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "SegmentList"));

  if (parent != null) {
    initialization = initialization != null ? initialization : parent.initialization;
    timeline = timeline != null ? timeline : parent.segmentTimeline;
    segments = segments != null ? segments : parent.mediaSegments;
  }

  return buildSegmentList(initialization, timescale, presentationTimeOffset,
      startNumber, duration, timeline, segments);
}
 

protected int parseAudioChannelConfiguration(XmlPullParser xpp)
    throws XmlPullParserException, IOException {
  String schemeIdUri = parseString(xpp, "schemeIdUri", null);
  int audioChannels = "urn:mpeg:dash:23003:3:audio_channel_configuration:2011".equals(schemeIdUri)
      ? parseInt(xpp, "value", Format.NO_VALUE)
      : ("tag:dolby.com,2014:dash:audio_channel_configuration:2011".equals(schemeIdUri)
      ? parseDolbyChannelConfiguration(xpp) : Format.NO_VALUE);
  do {
    xpp.next();
  } while (!XmlPullParserUtil.isEndTag(xpp, "AudioChannelConfiguration"));
  return audioChannels;
}
 

private Map<String, TtmlStyle> parseHeader(
    XmlPullParser xmlParser,
    Map<String, TtmlStyle> globalStyles,
    CellResolution cellResolution,
    TtsExtent ttsExtent,
    Map<String, TtmlRegion> globalRegions,
    Map<String, String> imageMap)
    throws IOException, XmlPullParserException {
  do {
    xmlParser.next();
    if (XmlPullParserUtil.isStartTag(xmlParser, TtmlNode.TAG_STYLE)) {
      String parentStyleId = XmlPullParserUtil.getAttributeValue(xmlParser, ATTR_STYLE);
      TtmlStyle style = parseStyleAttributes(xmlParser, new TtmlStyle());
      if (parentStyleId != null) {
        for (String id : parseStyleIds(parentStyleId)) {
          style.chain(globalStyles.get(id));
        }
      }
      if (style.getId() != null) {
        globalStyles.put(style.getId(), style);
      }
    } else if (XmlPullParserUtil.isStartTag(xmlParser, TtmlNode.TAG_REGION)) {
      TtmlRegion ttmlRegion = parseRegionAttributes(xmlParser, cellResolution, ttsExtent);
      if (ttmlRegion != null) {
        globalRegions.put(ttmlRegion.id, ttmlRegion);
      }
    } else if (XmlPullParserUtil.isStartTag(xmlParser, TtmlNode.TAG_METADATA)) {
      parseMetadata(xmlParser, imageMap);
    }
  } while (!XmlPullParserUtil.isEndTag(xmlParser, TtmlNode.TAG_HEAD));
  return globalStyles;
}
 

/**
 * Parses an event object.
 *
 * @param xpp The current xml parser.
 * @param scratchOutputStream A {@link ByteArrayOutputStream} that's used when parsing the object.
 * @return The serialized byte array.
 * @throws XmlPullParserException If there is any error parsing this node.
 * @throws IOException If there is any error reading from the underlying input stream.
 */
protected byte[] parseEventObject(XmlPullParser xpp, ByteArrayOutputStream scratchOutputStream)
    throws XmlPullParserException, IOException {
  scratchOutputStream.reset();
  XmlSerializer xmlSerializer = Xml.newSerializer();
  xmlSerializer.setOutput(scratchOutputStream, C.UTF8_NAME);
  // Start reading everything between <Event> and </Event>, and serialize them into an Xml
  // byte array.
  xpp.nextToken();
  while (!XmlPullParserUtil.isEndTag(xpp, "Event")) {
    switch (xpp.getEventType()) {
      case (XmlPullParser.START_DOCUMENT):
        xmlSerializer.startDocument(null, false);
        break;
      case (XmlPullParser.END_DOCUMENT):
        xmlSerializer.endDocument();
        break;
      case (XmlPullParser.START_TAG):
        xmlSerializer.startTag(xpp.getNamespace(), xpp.getName());
        for (int i = 0; i < xpp.getAttributeCount(); i++) {
          xmlSerializer.attribute(xpp.getAttributeNamespace(i), xpp.getAttributeName(i),
              xpp.getAttributeValue(i));
        }
        break;
      case (XmlPullParser.END_TAG):
        xmlSerializer.endTag(xpp.getNamespace(), xpp.getName());
        break;
      case (XmlPullParser.TEXT):
        xmlSerializer.text(xpp.getText());
        break;
      case (XmlPullParser.CDSECT):
        xmlSerializer.cdsect(xpp.getText());
        break;
      case (XmlPullParser.ENTITY_REF):
        xmlSerializer.entityRef(xpp.getText());
        break;
      case (XmlPullParser.IGNORABLE_WHITESPACE):
        xmlSerializer.ignorableWhitespace(xpp.getText());
        break;
      case (XmlPullParser.PROCESSING_INSTRUCTION):
        xmlSerializer.processingInstruction(xpp.getText());
        break;
      case (XmlPullParser.COMMENT):
        xmlSerializer.comment(xpp.getText());
        break;
      case (XmlPullParser.DOCDECL):
        xmlSerializer.docdecl(xpp.getText());
        break;
      default: // fall out
    }
    xpp.nextToken();
  }
  xmlSerializer.flush();
  return scratchOutputStream.toByteArray();
}
 

protected SegmentTemplate parseSegmentTemplate(
    XmlPullParser xpp,
    @Nullable SegmentTemplate parent,
    List<Descriptor> adaptationSetSupplementalProperties,
    long periodDurationMs)
    throws XmlPullParserException, IOException {
  long timescale = parseLong(xpp, "timescale", parent != null ? parent.timescale : 1);
  long presentationTimeOffset = parseLong(xpp, "presentationTimeOffset",
      parent != null ? parent.presentationTimeOffset : 0);
  long duration = parseLong(xpp, "duration", parent != null ? parent.duration : C.TIME_UNSET);
  long startNumber = parseLong(xpp, "startNumber", parent != null ? parent.startNumber : 1);
  long endNumber =
      parseLastSegmentNumberSupplementalProperty(adaptationSetSupplementalProperties);

  UrlTemplate mediaTemplate = parseUrlTemplate(xpp, "media",
      parent != null ? parent.mediaTemplate : null);
  UrlTemplate initializationTemplate = parseUrlTemplate(xpp, "initialization",
      parent != null ? parent.initializationTemplate : null);

  RangedUri initialization = null;
  List<SegmentTimelineElement> timeline = null;

  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "Initialization")) {
      initialization = parseInitialization(xpp);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTimeline")) {
      timeline = parseSegmentTimeline(xpp, timescale, periodDurationMs);
    } else {
      maybeSkipTag(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "SegmentTemplate"));

  if (parent != null) {
    initialization = initialization != null ? initialization : parent.initialization;
    timeline = timeline != null ? timeline : parent.segmentTimeline;
  }

  return buildSegmentTemplate(
      initialization,
      timescale,
      presentationTimeOffset,
      startNumber,
      endNumber,
      duration,
      timeline,
      initializationTemplate,
      mediaTemplate);
}
 

protected SegmentTemplate parseSegmentTemplate(
    XmlPullParser xpp,
    SegmentTemplate parent,
    List<Descriptor> adaptationSetSupplementalProperties)
    throws XmlPullParserException, IOException {
  long timescale = parseLong(xpp, "timescale", parent != null ? parent.timescale : 1);
  long presentationTimeOffset = parseLong(xpp, "presentationTimeOffset",
      parent != null ? parent.presentationTimeOffset : 0);
  long duration = parseLong(xpp, "duration", parent != null ? parent.duration : C.TIME_UNSET);
  long startNumber = parseLong(xpp, "startNumber", parent != null ? parent.startNumber : 1);
  long endNumber =
      parseLastSegmentNumberSupplementalProperty(adaptationSetSupplementalProperties);

  UrlTemplate mediaTemplate = parseUrlTemplate(xpp, "media",
      parent != null ? parent.mediaTemplate : null);
  UrlTemplate initializationTemplate = parseUrlTemplate(xpp, "initialization",
      parent != null ? parent.initializationTemplate : null);

  RangedUri initialization = null;
  List<SegmentTimelineElement> timeline = null;

  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "Initialization")) {
      initialization = parseInitialization(xpp);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTimeline")) {
      timeline = parseSegmentTimeline(xpp);
    } else {
      maybeSkipTag(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "SegmentTemplate"));

  if (parent != null) {
    initialization = initialization != null ? initialization : parent.initialization;
    timeline = timeline != null ? timeline : parent.segmentTimeline;
  }

  return buildSegmentTemplate(
      initialization,
      timescale,
      presentationTimeOffset,
      startNumber,
      endNumber,
      duration,
      timeline,
      initializationTemplate,
      mediaTemplate);
}
 

protected AdaptationSet parseAdaptationSet(XmlPullParser xpp, String baseUrl,
    SegmentBase segmentBase) throws XmlPullParserException, IOException {
  int id = parseInt(xpp, "id", AdaptationSet.ID_UNSET);
  int contentType = parseContentType(xpp);

  String mimeType = xpp.getAttributeValue(null, "mimeType");
  String codecs = xpp.getAttributeValue(null, "codecs");
  int width = parseInt(xpp, "width", Format.NO_VALUE);
  int height = parseInt(xpp, "height", Format.NO_VALUE);
  float frameRate = parseFrameRate(xpp, Format.NO_VALUE);
  int audioChannels = Format.NO_VALUE;
  int audioSamplingRate = parseInt(xpp, "audioSamplingRate", Format.NO_VALUE);
  String language = xpp.getAttributeValue(null, "lang");
  String label = xpp.getAttributeValue(null, "label");
  String drmSchemeType = null;
  ArrayList<SchemeData> drmSchemeDatas = new ArrayList<>();
  ArrayList<Descriptor> inbandEventStreams = new ArrayList<>();
  ArrayList<Descriptor> accessibilityDescriptors = new ArrayList<>();
  ArrayList<Descriptor> roleDescriptors = new ArrayList<>();
  ArrayList<Descriptor> supplementalProperties = new ArrayList<>();
  List<RepresentationInfo> representationInfos = new ArrayList<>();

  boolean seenFirstBaseUrl = false;
  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "BaseURL")) {
      if (!seenFirstBaseUrl) {
        baseUrl = parseBaseUrl(xpp, baseUrl);
        seenFirstBaseUrl = true;
      }
    } else if (XmlPullParserUtil.isStartTag(xpp, "ContentProtection")) {
      Pair<String, SchemeData> contentProtection = parseContentProtection(xpp);
      if (contentProtection.first != null) {
        drmSchemeType = contentProtection.first;
      }
      if (contentProtection.second != null) {
        drmSchemeDatas.add(contentProtection.second);
      }
    } else if (XmlPullParserUtil.isStartTag(xpp, "ContentComponent")) {
      language = checkLanguageConsistency(language, xpp.getAttributeValue(null, "lang"));
      contentType = checkContentTypeConsistency(contentType, parseContentType(xpp));
    } else if (XmlPullParserUtil.isStartTag(xpp, "Role")) {
      roleDescriptors.add(parseDescriptor(xpp, "Role"));
    } else if (XmlPullParserUtil.isStartTag(xpp, "AudioChannelConfiguration")) {
      audioChannels = parseAudioChannelConfiguration(xpp);
    } else if (XmlPullParserUtil.isStartTag(xpp, "Accessibility")) {
      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,
              roleDescriptors,
              accessibilityDescriptors,
              supplementalProperties,
              segmentBase);
      contentType = checkContentTypeConsistency(contentType,
          getContentType(representationInfo.format));
      representationInfos.add(representationInfo);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentBase")) {
      segmentBase = parseSegmentBase(xpp, (SingleSegmentBase) segmentBase);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentList")) {
      segmentBase = parseSegmentList(xpp, (SegmentList) segmentBase);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) {
      segmentBase =
          parseSegmentTemplate(xpp, (SegmentTemplate) segmentBase, supplementalProperties);
    } else if (XmlPullParserUtil.isStartTag(xpp, "InbandEventStream")) {
      inbandEventStreams.add(parseDescriptor(xpp, "InbandEventStream"));
    } else if (XmlPullParserUtil.isStartTag(xpp, "Label")) {
      label = parseLabel(xpp);
    } else if (XmlPullParserUtil.isStartTag(xpp)) {
      parseAdaptationSetChild(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "AdaptationSet"));

  // Build the representations.
  List<Representation> representations = new ArrayList<>(representationInfos.size());
  for (int i = 0; i < representationInfos.size(); i++) {
    representations.add(
        buildRepresentation(
            representationInfos.get(i),
            label,
            drmSchemeType,
            drmSchemeDatas,
            inbandEventStreams));
  }

  return buildAdaptationSet(id, contentType, representations, accessibilityDescriptors,
      supplementalProperties);
}
 

protected AdaptationSet parseAdaptationSet(XmlPullParser xpp, String baseUrl,
    SegmentBase segmentBase) throws XmlPullParserException, IOException {
  int id = parseInt(xpp, "id", AdaptationSet.ID_UNSET);
  int contentType = parseContentType(xpp);

  String mimeType = xpp.getAttributeValue(null, "mimeType");
  String codecs = xpp.getAttributeValue(null, "codecs");
  int width = parseInt(xpp, "width", Format.NO_VALUE);
  int height = parseInt(xpp, "height", Format.NO_VALUE);
  float frameRate = parseFrameRate(xpp, Format.NO_VALUE);
  int audioChannels = Format.NO_VALUE;
  int audioSamplingRate = parseInt(xpp, "audioSamplingRate", Format.NO_VALUE);
  String language = xpp.getAttributeValue(null, "lang");
  String label = xpp.getAttributeValue(null, "label");
  String drmSchemeType = null;
  ArrayList<SchemeData> drmSchemeDatas = new ArrayList<>();
  ArrayList<Descriptor> inbandEventStreams = new ArrayList<>();
  ArrayList<Descriptor> accessibilityDescriptors = new ArrayList<>();
  ArrayList<Descriptor> supplementalProperties = new ArrayList<>();
  List<RepresentationInfo> representationInfos = new ArrayList<>();
  @C.SelectionFlags int selectionFlags = 0;

  boolean seenFirstBaseUrl = false;
  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "BaseURL")) {
      if (!seenFirstBaseUrl) {
        baseUrl = parseBaseUrl(xpp, baseUrl);
        seenFirstBaseUrl = true;
      }
    } else if (XmlPullParserUtil.isStartTag(xpp, "ContentProtection")) {
      Pair<String, SchemeData> contentProtection = parseContentProtection(xpp);
      if (contentProtection.first != null) {
        drmSchemeType = contentProtection.first;
      }
      if (contentProtection.second != null) {
        drmSchemeDatas.add(contentProtection.second);
      }
    } else if (XmlPullParserUtil.isStartTag(xpp, "ContentComponent")) {
      language = checkLanguageConsistency(language, xpp.getAttributeValue(null, "lang"));
      contentType = checkContentTypeConsistency(contentType, parseContentType(xpp));
    } else if (XmlPullParserUtil.isStartTag(xpp, "Role")) {
      selectionFlags |= parseRole(xpp);
    } else if (XmlPullParserUtil.isStartTag(xpp, "AudioChannelConfiguration")) {
      audioChannels = parseAudioChannelConfiguration(xpp);
    } else if (XmlPullParserUtil.isStartTag(xpp, "Accessibility")) {
      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,
              label,
              mimeType,
              codecs,
              width,
              height,
              frameRate,
              audioChannels,
              audioSamplingRate,
              language,
              selectionFlags,
              accessibilityDescriptors,
              segmentBase);
      contentType = checkContentTypeConsistency(contentType,
          getContentType(representationInfo.format));
      representationInfos.add(representationInfo);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentBase")) {
      segmentBase = parseSegmentBase(xpp, (SingleSegmentBase) segmentBase);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentList")) {
      segmentBase = parseSegmentList(xpp, (SegmentList) segmentBase);
    } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) {
      segmentBase = parseSegmentTemplate(xpp, (SegmentTemplate) segmentBase);
    } else if (XmlPullParserUtil.isStartTag(xpp, "InbandEventStream")) {
      inbandEventStreams.add(parseDescriptor(xpp, "InbandEventStream"));
    } else if (XmlPullParserUtil.isStartTag(xpp)) {
      parseAdaptationSetChild(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "AdaptationSet"));

  // Build the representations.
  List<Representation> representations = new ArrayList<>(representationInfos.size());
  for (int i = 0; i < representationInfos.size(); i++) {
    representations.add(buildRepresentation(representationInfos.get(i), contentId,
        drmSchemeType, drmSchemeDatas, inbandEventStreams));
  }

  return buildAdaptationSet(id, contentType, representations, accessibilityDescriptors,
      supplementalProperties);
}