Java 类com.google.android.exoplayer2.drm.HttpMediaDrmCallback 实例源码

@Override
protected final DefaultDrmSessionManager<FrameworkMediaCrypto> buildDrmSessionManager(
    final String userAgent) {
  DefaultDrmSessionManager<FrameworkMediaCrypto> drmSessionManager = null;
  if (parameters.isWidevineEncrypted) {
    try {
      MediaDrmCallback drmCallback = new HttpMediaDrmCallback(parameters.widevineLicenseUrl,
          new DefaultHttpDataSourceFactory(userAgent));
      drmSessionManager = DefaultDrmSessionManager.newWidevineInstance(drmCallback, null,
          null, null);
      if (!parameters.useL1Widevine) {
        drmSessionManager.setPropertyString(SECURITY_LEVEL_PROPERTY, WIDEVINE_SECURITY_LEVEL_3);
      }
      if (offlineLicenseKeySetId != null) {
        drmSessionManager.setMode(DefaultDrmSessionManager.MODE_PLAYBACK,
            offlineLicenseKeySetId);
      }
    } catch (UnsupportedDrmException e) {
      throw new IllegalStateException(e);
    }
  }
  return drmSessionManager;
}

@Override
protected DefaultDrmSessionManager<FrameworkMediaCrypto> buildDrmSessionManager(
    final String userAgent) {
  if (widevineLicenseUrl == null) {
    return null;
  }
  try {
    MediaDrmCallback drmCallback = new HttpMediaDrmCallback(widevineLicenseUrl,
        new DefaultHttpDataSourceFactory(userAgent));
    DefaultDrmSessionManager<FrameworkMediaCrypto> drmSessionManager =
        DefaultDrmSessionManager.newWidevineInstance(drmCallback, null, null, null);
    if (!useL1Widevine) {
      drmSessionManager.setPropertyString(
          SECURITY_LEVEL_PROPERTY, WIDEVINE_SECURITY_LEVEL_3);
    }
    if (offlineLicenseKeySetId != null) {
      drmSessionManager.setMode(DefaultDrmSessionManager.MODE_PLAYBACK,
          offlineLicenseKeySetId);
    }
    return drmSessionManager;
  } catch (UnsupportedDrmException e) {
    throw new IllegalStateException(e);
  }
}

private DrmSessionManager<FrameworkMediaCrypto> buildDrmSessionManager(UUID uuid,
                                                                       String licenseUrl, Map<String, String> keyRequestProperties) throws UnsupportedDrmException {
    if (Util.SDK_INT < 18) {
        return null;
    }
    HttpMediaDrmCallback drmCallback = new HttpMediaDrmCallback(licenseUrl,
            buildHttpDataSourceFactory(false), keyRequestProperties);
    return new DefaultDrmSessionManager<>(uuid,
            FrameworkMediaDrm.newInstance(uuid), drmCallback, null, mainHandler, eventLogger);
}

private DrmSessionManager<FrameworkMediaCrypto> buildDrmSessionManager(UUID uuid,
                                                                       String licenseUrl, Map<String, String> keyRequestProperties) throws UnsupportedDrmException {
    if (Util.SDK_INT < 18) {
        return null;
    }
    HttpMediaDrmCallback drmCallback = new HttpMediaDrmCallback(licenseUrl,
            buildHttpDataSourceFactory(false), keyRequestProperties);
    return new StreamingDrmSessionManager<>(uuid,
            FrameworkMediaDrm.newInstance(uuid), drmCallback, null, mainHandler, eventLogger);
}

private DrmSessionManager<FrameworkMediaCrypto> buildDrmSessionManager(UUID uuid,
                                                                       String licenseUrl, Map<String, String> keyRequestProperties) throws UnsupportedDrmException {
  if (Util.SDK_INT < 18) {
    return null;
  }
  HttpMediaDrmCallback drmCallback = new HttpMediaDrmCallback(licenseUrl,
      buildHttpDataSourceFactory(false), keyRequestProperties);
  return new StreamingDrmSessionManager<>(uuid,
      FrameworkMediaDrm.newInstance(uuid), drmCallback, null, mainHandler, eventLogger);
}

private DrmSessionManager<FrameworkMediaCrypto> buildDrmSessionManagerV18(UUID uuid,
    String licenseUrl, String[] keyRequestPropertiesArray, boolean multiSession)
    throws UnsupportedDrmException {
  HttpMediaDrmCallback drmCallback = new HttpMediaDrmCallback(licenseUrl,
      buildHttpDataSourceFactory(false));
  if (keyRequestPropertiesArray != null) {
    for (int i = 0; i < keyRequestPropertiesArray.length - 1; i += 2) {
      drmCallback.setKeyRequestProperty(keyRequestPropertiesArray[i],
          keyRequestPropertiesArray[i + 1]);
    }
  }
  return new DefaultDrmSessionManager<>(uuid, FrameworkMediaDrm.newInstance(uuid), drmCallback,
      null, mainHandler, eventLogger, multiSession);
}