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

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Example 1
Source File: DashManifestParser.java    From MediaSDK with Apache License 2.0 4 votes vote down vote up 
/**
 * Parses a ContentProtection 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 The scheme type and/or {@link SchemeData} parsed from the ContentProtection element.
 *     Either or both may be null, depending on the ContentProtection element being parsed.
 */
protected Pair<@NullableType String, @NullableType SchemeData> parseContentProtection(
    XmlPullParser xpp) throws XmlPullParserException, IOException {
  String schemeType = null;
  String licenseServerUrl = null;
  byte[] data = null;
  UUID uuid = null;

  String schemeIdUri = xpp.getAttributeValue(null, "schemeIdUri");
  if (schemeIdUri != null) {
    switch (Util.toLowerInvariant(schemeIdUri)) {
      case "urn:mpeg:dash:mp4protection:2011":
        schemeType = xpp.getAttributeValue(null, "value");
        String defaultKid = XmlPullParserUtil.getAttributeValueIgnorePrefix(xpp, "default_KID");
        if (!TextUtils.isEmpty(defaultKid)
            && !"00000000-0000-0000-0000-000000000000".equals(defaultKid)) {
          String[] defaultKidStrings = defaultKid.split("\\s+");
          UUID[] defaultKids = new UUID[defaultKidStrings.length];
          for (int i = 0; i < defaultKidStrings.length; i++) {
            defaultKids[i] = UUID.fromString(defaultKidStrings[i]);
          }
          data = PsshAtomUtil.buildPsshAtom(C.COMMON_PSSH_UUID, defaultKids, null);
          uuid = C.COMMON_PSSH_UUID;
        }
        break;
      case "urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95":
        uuid = C.PLAYREADY_UUID;
        break;
      case "urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed":
        uuid = C.WIDEVINE_UUID;
        break;
      default:
        break;
    }
  }

  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "ms:laurl")) {
      licenseServerUrl = xpp.getAttributeValue(null, "licenseUrl");
    } else if (data == null
        && XmlPullParserUtil.isStartTagIgnorePrefix(xpp, "pssh")
        && xpp.next() == XmlPullParser.TEXT) {
      // The cenc:pssh element is defined in 23001-7:2015.
      data = Base64.decode(xpp.getText(), Base64.DEFAULT);
      uuid = PsshAtomUtil.parseUuid(data);
      if (uuid == null) {
        Log.w(TAG, "Skipping malformed cenc:pssh data");
        data = null;
      }
    } else if (data == null
        && C.PLAYREADY_UUID.equals(uuid)
        && XmlPullParserUtil.isStartTag(xpp, "mspr:pro")
        && xpp.next() == XmlPullParser.TEXT) {
      // The mspr:pro element is defined in DASH Content Protection using Microsoft PlayReady.
      data =
          PsshAtomUtil.buildPsshAtom(
              C.PLAYREADY_UUID, Base64.decode(xpp.getText(), Base64.DEFAULT));
    } else {
      maybeSkipTag(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "ContentProtection"));
  SchemeData schemeData =
      uuid != null ? new SchemeData(uuid, licenseServerUrl, MimeTypes.VIDEO_MP4, data) : null;
  return Pair.create(schemeType, schemeData);
}
Example 2
Source File: DashManifestParser.java    From Telegram-FOSS with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Parses a ContentProtection 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 The scheme type and/or {@link SchemeData} parsed from the ContentProtection element.
 *     Either or both may be null, depending on the ContentProtection element being parsed.
 */
protected Pair<String, SchemeData> parseContentProtection(XmlPullParser xpp)
    throws XmlPullParserException, IOException {
  String schemeType = null;
  String licenseServerUrl = null;
  byte[] data = null;
  UUID uuid = null;
  boolean requiresSecureDecoder = false;

  String schemeIdUri = xpp.getAttributeValue(null, "schemeIdUri");
  if (schemeIdUri != null) {
    switch (Util.toLowerInvariant(schemeIdUri)) {
      case "urn:mpeg:dash:mp4protection:2011":
        schemeType = xpp.getAttributeValue(null, "value");
        String defaultKid = XmlPullParserUtil.getAttributeValueIgnorePrefix(xpp, "default_KID");
        if (!TextUtils.isEmpty(defaultKid)
            && !"00000000-0000-0000-0000-000000000000".equals(defaultKid)) {
          String[] defaultKidStrings = defaultKid.split("\\s+");
          UUID[] defaultKids = new UUID[defaultKidStrings.length];
          for (int i = 0; i < defaultKidStrings.length; i++) {
            defaultKids[i] = UUID.fromString(defaultKidStrings[i]);
          }
          data = PsshAtomUtil.buildPsshAtom(C.COMMON_PSSH_UUID, defaultKids, null);
          uuid = C.COMMON_PSSH_UUID;
        }
        break;
      case "urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95":
        uuid = C.PLAYREADY_UUID;
        break;
      case "urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed":
        uuid = C.WIDEVINE_UUID;
        break;
      default:
        break;
    }
  }

  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "ms:laurl")) {
      licenseServerUrl = xpp.getAttributeValue(null, "licenseUrl");
    } else if (XmlPullParserUtil.isStartTag(xpp, "widevine:license")) {
      String robustnessLevel = xpp.getAttributeValue(null, "robustness_level");
      requiresSecureDecoder = robustnessLevel != null && robustnessLevel.startsWith("HW");
    } else if (data == null
        && XmlPullParserUtil.isStartTagIgnorePrefix(xpp, "pssh")
        && xpp.next() == XmlPullParser.TEXT) {
      // The cenc:pssh element is defined in 23001-7:2015.
      data = Base64.decode(xpp.getText(), Base64.DEFAULT);
      uuid = PsshAtomUtil.parseUuid(data);
      if (uuid == null) {
        Log.w(TAG, "Skipping malformed cenc:pssh data");
        data = null;
      }
    } else if (data == null
        && C.PLAYREADY_UUID.equals(uuid)
        && XmlPullParserUtil.isStartTag(xpp, "mspr:pro")
        && xpp.next() == XmlPullParser.TEXT) {
      // The mspr:pro element is defined in DASH Content Protection using Microsoft PlayReady.
      data =
          PsshAtomUtil.buildPsshAtom(
              C.PLAYREADY_UUID, Base64.decode(xpp.getText(), Base64.DEFAULT));
    } else {
      maybeSkipTag(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "ContentProtection"));
  SchemeData schemeData =
      uuid != null
          ? new SchemeData(
              uuid, licenseServerUrl, MimeTypes.VIDEO_MP4, data, requiresSecureDecoder)
          : null;
  return Pair.create(schemeType, schemeData);
}
Example 3
Source File: DashManifestParser.java    From Telegram with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Parses a ContentProtection 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 The scheme type and/or {@link SchemeData} parsed from the ContentProtection element.
 *     Either or both may be null, depending on the ContentProtection element being parsed.
 */
protected Pair<String, SchemeData> parseContentProtection(XmlPullParser xpp)
    throws XmlPullParserException, IOException {
  String schemeType = null;
  String licenseServerUrl = null;
  byte[] data = null;
  UUID uuid = null;
  boolean requiresSecureDecoder = false;

  String schemeIdUri = xpp.getAttributeValue(null, "schemeIdUri");
  if (schemeIdUri != null) {
    switch (Util.toLowerInvariant(schemeIdUri)) {
      case "urn:mpeg:dash:mp4protection:2011":
        schemeType = xpp.getAttributeValue(null, "value");
        String defaultKid = XmlPullParserUtil.getAttributeValueIgnorePrefix(xpp, "default_KID");
        if (!TextUtils.isEmpty(defaultKid)
            && !"00000000-0000-0000-0000-000000000000".equals(defaultKid)) {
          String[] defaultKidStrings = defaultKid.split("\\s+");
          UUID[] defaultKids = new UUID[defaultKidStrings.length];
          for (int i = 0; i < defaultKidStrings.length; i++) {
            defaultKids[i] = UUID.fromString(defaultKidStrings[i]);
          }
          data = PsshAtomUtil.buildPsshAtom(C.COMMON_PSSH_UUID, defaultKids, null);
          uuid = C.COMMON_PSSH_UUID;
        }
        break;
      case "urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95":
        uuid = C.PLAYREADY_UUID;
        break;
      case "urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed":
        uuid = C.WIDEVINE_UUID;
        break;
      default:
        break;
    }
  }

  do {
    xpp.next();
    if (XmlPullParserUtil.isStartTag(xpp, "ms:laurl")) {
      licenseServerUrl = xpp.getAttributeValue(null, "licenseUrl");
    } else if (XmlPullParserUtil.isStartTag(xpp, "widevine:license")) {
      String robustnessLevel = xpp.getAttributeValue(null, "robustness_level");
      requiresSecureDecoder = robustnessLevel != null && robustnessLevel.startsWith("HW");
    } else if (data == null
        && XmlPullParserUtil.isStartTagIgnorePrefix(xpp, "pssh")
        && xpp.next() == XmlPullParser.TEXT) {
      // The cenc:pssh element is defined in 23001-7:2015.
      data = Base64.decode(xpp.getText(), Base64.DEFAULT);
      uuid = PsshAtomUtil.parseUuid(data);
      if (uuid == null) {
        Log.w(TAG, "Skipping malformed cenc:pssh data");
        data = null;
      }
    } else if (data == null
        && C.PLAYREADY_UUID.equals(uuid)
        && XmlPullParserUtil.isStartTag(xpp, "mspr:pro")
        && xpp.next() == XmlPullParser.TEXT) {
      // The mspr:pro element is defined in DASH Content Protection using Microsoft PlayReady.
      data =
          PsshAtomUtil.buildPsshAtom(
              C.PLAYREADY_UUID, Base64.decode(xpp.getText(), Base64.DEFAULT));
    } else {
      maybeSkipTag(xpp);
    }
  } while (!XmlPullParserUtil.isEndTag(xpp, "ContentProtection"));
  SchemeData schemeData =
      uuid != null
          ? new SchemeData(
              uuid, licenseServerUrl, MimeTypes.VIDEO_MP4, data, requiresSecureDecoder)
          : null;
  return Pair.create(schemeType, schemeData);
}