Program: 47214
Project: 47214
Buggy source:
/** 
 * Returns the DisplayName that is shown to the Renderer. Extra info might be appended depending on the settings, like item duration. This is based on   {@link #getName()}.
 * @param mediaRenderer Media Renderer for which to show information.
 * @param withSuffix Whether to include additional media info
 * @return String representing the item.
 */
private String getDisplayName(RendererConfiguration mediaRenderer,boolean withSuffix){
  PmsConfiguration configuration=PMS.getConfiguration(mediaRenderer);
  displayName=getName();
  String subtitleFormat;
  String subtitleLanguage;
  boolean isNamedNoEncoding=false;
  boolean subsAreValidForStreaming=media_subtitle != null && media_subtitle.isStreamable() && player == null;
  if (this instanceof RealFile && (configuration.isHideExtensions() || configuration.isPrettifyFilenames()) && !isFolder()) {
    if (configuration.isPrettifyFilenames() && getFormat() != null && getFormat().isVideo()) {
      RealFile rf=(RealFile)this;
      displayName=FileUtil.getFileNameWithRewriting(displayName,rf.getFile());
    }
 else {
      displayName=FileUtil.getFileNameWithoutExtension(displayName);
    }
  }
  if (player != null) {
    if (isNoName()) {
      displayName="String_Node_Str" + player.name() + "String_Node_Str";
    }
 else {
      if (mediaRenderer != null && mediaRenderer.isShowDVDTitleDuration() && media != null && media.getDvdtrack() > 0) {
        nameSuffix+="String_Node_Str" + media.getDurationString();
      }
      if (!configuration.isHideEngineNames()) {
        nameSuffix+="String_Node_Str" + player.name() + "String_Node_Str";
      }
    }
  }
 else {
    if (isNoName()) {
      displayName=Messages.getString("String_Node_Str");
      isNamedNoEncoding=true;
      if (subsAreValidForStreaming) {
        isNamedNoEncoding=false;
      }
    }
 else     if (nametruncate > 0) {
      displayName=displayName.substring(0,nametruncate).trim();
    }
  }
  if (isSubsFile() && !isNamedNoEncoding && media_audio == null && media_subtitle == null && !configuration.hideSubsInfo() && (player == null || player.isExternalSubtitlesSupported())) {
    nameSuffix+=Messages.getString("String_Node_Str");
  }
  if (getMediaAudio() != null) {
    String audioLanguage="String_Node_Str" + getMediaAudio().getLangFullName();
    if ("String_Node_Str".equals(audioLanguage)) {
      audioLanguage="String_Node_Str";
    }
    displayName=player != null ? ("String_Node_Str" + player.name() + "String_Node_Str") : "String_Node_Str";
    nameSuffix="String_Node_Str" + getMediaAudio().getAudioCodec() + audioLanguage+ ((getMediaAudio().getFlavor() != null && mediaRenderer != null && mediaRenderer.isShowAudioMetadata()) ? ("String_Node_Str" + getMediaAudio().getFlavor() + "String_Node_Str") : "String_Node_Str")+ "String_Node_Str";
  }
  if (media_subtitle != null && media_subtitle.getId() != -1 && !configuration.hideSubsInfo()) {
    subtitleFormat=media_subtitle.getType().getDescription();
    if ("String_Node_Str".equals(subtitleFormat)) {
      subtitleFormat="String_Node_Str";
    }
 else     if ("String_Node_Str".equals(subtitleFormat)) {
      subtitleFormat="String_Node_Str";
    }
    subtitleLanguage="String_Node_Str" + media_subtitle.getLangFullName();
    if ("String_Node_Str".equals(subtitleLanguage)) {
      subtitleLanguage="String_Node_Str";
    }
    String subsDescription=Messages.getString("String_Node_Str") + subtitleFormat + subtitleLanguage+ ((media_subtitle.getFlavor() != null && mediaRenderer != null && mediaRenderer.isShowSubMetadata()) ? ("String_Node_Str" + media_subtitle.getFlavor() + "String_Node_Str") : "String_Node_Str");
    if (subsAreValidForStreaming) {
      nameSuffix+="String_Node_Str" + Messages.getString("String_Node_Str") + subsDescription+ "String_Node_Str";
    }
 else {
      nameSuffix+="String_Node_Str" + subsDescription + "String_Node_Str";
    }
  }
  if (isAvisynth()) {
    displayName=(player != null ? ("String_Node_Str" + player.name()) : "String_Node_Str") + "String_Node_Str";
  }
  if (getSplitRange().isEndLimitAvailable()) {
    displayName="String_Node_Str" + convertTimeToString(getSplitRange().getStart(),DURATION_TIME_FORMAT);
  }
  return withSuffix ? (displayName + nameSuffix) : displayName;
}

Fixed version (ground truth):
/** 
 * Returns the DisplayName that is shown to the Renderer. Extra info might be appended depending on the settings, like item duration. This is based on   {@link #getName()}.
 * @param mediaRenderer Media Renderer for which to show information.
 * @param withSuffix Whether to include additional media info
 * @return String representing the item.
 */
private String getDisplayName(RendererConfiguration mediaRenderer,boolean withSuffix){
  PmsConfiguration configuration=PMS.getConfiguration(mediaRenderer);
  displayName=getName();
  nameSuffix="String_Node_Str";
  String subtitleFormat;
  String subtitleLanguage;
  boolean isNamedNoEncoding=false;
  boolean subsAreValidForStreaming=media_subtitle != null && media_subtitle.isStreamable() && player == null;
  if (this instanceof RealFile && (configuration.isHideExtensions() || configuration.isPrettifyFilenames()) && !isFolder()) {
    if (configuration.isPrettifyFilenames() && getFormat() != null && getFormat().isVideo()) {
      RealFile rf=(RealFile)this;
      displayName=FileUtil.getFileNameWithRewriting(displayName,rf.getFile());
    }
 else {
      displayName=FileUtil.getFileNameWithoutExtension(displayName);
    }
  }
  if (player != null) {
    if (isNoName()) {
      displayName="String_Node_Str" + player.name() + "String_Node_Str";
    }
 else {
      if (mediaRenderer != null && mediaRenderer.isShowDVDTitleDuration() && media != null && media.getDvdtrack() > 0) {
        nameSuffix+="String_Node_Str" + media.getDurationString();
      }
      if (!configuration.isHideEngineNames()) {
        nameSuffix+="String_Node_Str" + player.name() + "String_Node_Str";
      }
    }
  }
 else {
    if (isNoName()) {
      displayName=Messages.getString("String_Node_Str");
      isNamedNoEncoding=true;
      if (subsAreValidForStreaming) {
        isNamedNoEncoding=false;
      }
    }
 else     if (nametruncate > 0) {
      displayName=displayName.substring(0,nametruncate).trim();
    }
  }
  if (isSubsFile() && !isNamedNoEncoding && media_audio == null && media_subtitle == null && !configuration.hideSubsInfo() && (player == null || player.isExternalSubtitlesSupported())) {
    nameSuffix+=Messages.getString("String_Node_Str");
  }
  if (getMediaAudio() != null) {
    String audioLanguage="String_Node_Str" + getMediaAudio().getLangFullName();
    if ("String_Node_Str".equals(audioLanguage)) {
      audioLanguage="String_Node_Str";
    }
    displayName=player != null ? ("String_Node_Str" + player.name() + "String_Node_Str") : "String_Node_Str";
    nameSuffix="String_Node_Str" + getMediaAudio().getAudioCodec() + audioLanguage+ ((getMediaAudio().getFlavor() != null && mediaRenderer != null && mediaRenderer.isShowAudioMetadata()) ? ("String_Node_Str" + getMediaAudio().getFlavor() + "String_Node_Str") : "String_Node_Str")+ "String_Node_Str";
  }
  if (media_subtitle != null && media_subtitle.getId() != -1 && !configuration.hideSubsInfo()) {
    subtitleFormat=media_subtitle.getType().getDescription();
    if ("String_Node_Str".equals(subtitleFormat)) {
      subtitleFormat="String_Node_Str";
    }
 else     if ("String_Node_Str".equals(subtitleFormat)) {
      subtitleFormat="String_Node_Str";
    }
    subtitleLanguage="String_Node_Str" + media_subtitle.getLangFullName();
    if ("String_Node_Str".equals(subtitleLanguage)) {
      subtitleLanguage="String_Node_Str";
    }
    String subsDescription=Messages.getString("String_Node_Str") + subtitleFormat + subtitleLanguage+ ((media_subtitle.getFlavor() != null && mediaRenderer != null && mediaRenderer.isShowSubMetadata()) ? ("String_Node_Str" + media_subtitle.getFlavor() + "String_Node_Str") : "String_Node_Str");
    if (subsAreValidForStreaming) {
      nameSuffix+="String_Node_Str" + Messages.getString("String_Node_Str") + subsDescription+ "String_Node_Str";
    }
 else {
      nameSuffix+="String_Node_Str" + subsDescription + "String_Node_Str";
    }
  }
  if (isAvisynth()) {
    displayName=(player != null ? ("String_Node_Str" + player.name()) : "String_Node_Str") + "String_Node_Str";
  }
  if (getSplitRange().isEndLimitAvailable()) {
    displayName="String_Node_Str" + convertTimeToString(getSplitRange().getStart(),DURATION_TIME_FORMAT);
  }
  return withSuffix ? (displayName + nameSuffix) : displayName;
}