com.google.android.exoplayer2.util.Util.toLowerInvariant()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中com.google.android.exoplayer2.util.Util.toLowerInvariant()方法的一些代码示例，展示了Util.toLowerInvariant()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.toLowerInvariant()方法的具体详情如下：
包路径：com.google.android.exoplayer2.util.Util
类名称：Util
方法名：toLowerInvariant

Util.toLowerInvariant介绍

[英]Converts text to lower case using Locale#US.
[中]使用Locale#US将文本转换为小写。

代码示例

代码示例来源：origin: google/ExoPlayer

  1. public WebvttCssStyle setFontFamily(String fontFamily) {
  2.  this.fontFamily = Util.toLowerInvariant(fontFamily);
  3.  return this;
  4. }

代码示例来源：origin: google/ExoPlayer

  1. /**
  2.  * Parses the number of channels from the value attribute of an AudioElementConfiguration with
  3.  * schemeIdUri "tag:dolby.com,2014:dash:audio_channel_configuration:2011", as defined by table E.5
  4.  * in ETSI TS 102 366.
  5.  *
  6.  * @param xpp The parser from which to read.
  7.  * @return The parsed number of channels, or {@link Format#NO_VALUE} if the channel count could
  8.  *     not be parsed.
  9.  */
  10. protected static int parseDolbyChannelConfiguration(XmlPullParser xpp) {
  11.  String value = Util.toLowerInvariant(xpp.getAttributeValue(null, "value"));
  12.  if (value == null) {
  13.   return Format.NO_VALUE;
  14.  }
  15.  switch (value) {
  16.   case "4000":
  17.    return 1;
  18.   case "a000":
  19.    return 2;
  20.   case "f801":
  21.    return 6;
  22.   case "fa01":
  23.    return 8;
  24.   default:
  25.    return Format.NO_VALUE;
  26.  }
  27. }

代码示例来源：origin: google/ExoPlayer

  1. /**
  2.  * Derives a DRM {@link UUID} from {@code drmScheme}.
  3.  *
  4.  * @param drmScheme A UUID string, or {@code "widevine"}, {@code "playready"} or {@code
  5.  *     "clearkey"}.
  6.  * @return The derived {@link UUID}, or {@code null} if one could not be derived.
  7.  */
  8. public static @Nullable UUID getDrmUuid(String drmScheme) {
  9.  switch (Util.toLowerInvariant(drmScheme)) {
  10.   case "widevine":
  11.    return C.WIDEVINE_UUID;
  12.   case "playready":
  13.    return C.PLAYREADY_UUID;
  14.   case "clearkey":
  15.    return C.CLEARKEY_UUID;
  16.   default:
  17.    try {
  18.     return UUID.fromString(drmScheme);
  19.    } catch (RuntimeException e) {
  20.     return null;
  21.    }
  22.  }
  23. }

代码示例来源：origin: google/ExoPlayer

  1. /** Returns a fixed SmoothStreaming client manifest {@link Uri}. */
  2. public static Uri fixManifestUri(Uri manifestUri) {
  3.  if (Util.toLowerInvariant(manifestUri.getLastPathSegment()).matches("manifest(\\(.+\\))?")) {
  4.   return manifestUri;
  5.  }
  6.  return Uri.withAppendedPath(manifestUri, "Manifest");
  7. }

代码示例来源：origin: google/ExoPlayer

  1. /**
  2.  * Makes a best guess to infer the type from a file name.
  3.  *
  4.  * @param fileName Name of the file. It can include the path of the file.
  5.  * @return The content type.
  6.  */
  7. @C.ContentType
  8. public static int inferContentType(String fileName) {
  9.  fileName = Util.toLowerInvariant(fileName);
  10.  if (fileName.endsWith(".mpd")) {
  11.   return C.TYPE_DASH;
  12.  } else if (fileName.endsWith(".m3u8")) {
  13.   return C.TYPE_HLS;
  14.  } else if (fileName.matches(".*\\.ism(l)?(/manifest(\\(.+\\))?)?")) {
  15.   return C.TYPE_SS;
  16.  } else {
  17.   return C.TYPE_OTHER;
  18.  }
  19. }

代码示例来源：origin: google/ExoPlayer

  1. private void setEncryptionData(Uri keyUri, String iv, byte[] secretKey) {
  2.  String trimmedIv;
  3.  if (Util.toLowerInvariant(iv).startsWith("0x")) {
  4.   trimmedIv = iv.substring(2);
  5.  } else {
  6.   trimmedIv = iv;
  7.  }
  8.  byte[] ivData = new BigInteger(trimmedIv, 16).toByteArray();
  9.  byte[] ivDataWithPadding = new byte[16];
  10.  int offset = ivData.length > 16 ? ivData.length - 16 : 0;
  11.  System.arraycopy(ivData, offset, ivDataWithPadding, ivDataWithPadding.length - ivData.length
  12.    + offset, ivData.length - offset);
  13.  encryptionKeyUri = keyUri;
  14.  encryptionKey = secretKey;
  15.  encryptionIvString = iv;
  16.  encryptionIv = ivDataWithPadding;
  17. }

代码示例来源：origin: CarGuo/GSYVideoPlayer

  1. @SuppressLint("WrongConstant")
  2. @C.ContentType
  3. public static int inferContentType(String fileName, @Nullable String overrideExtension) {
  4.   fileName = Util.toLowerInvariant(fileName);
  5.   if (fileName.startsWith("rtmp:")) {
  6.     return TYPE_RTMP;
  7.   } else {
  8.     return inferContentType(Uri.parse(fileName), overrideExtension);
  9.   }
  10. }

代码示例来源：origin: google/ExoPlayer

  1. /**
  2.  * Returns a normalized RFC 639-2/T code for {@code language}.
  3.  *
  4.  * @param language A case-insensitive ISO 639 alpha-2 or alpha-3 language code.
  5.  * @return The all-lowercase normalized code, or null if the input was null, or {@code
  6.  *     language.toLowerCase()} if the language could not be normalized.
  7.  */
  8. public static @Nullable String normalizeLanguageCode(@Nullable String language) {
  9.  try {
  10.   return language == null ? null : new Locale(language).getISO3Language();
  11.  } catch (MissingResourceException e) {
  12.   return toLowerInvariant(language);
  13.  }
  14. }

代码示例来源：origin: google/ExoPlayer

  1. formatTextIndex = C.INDEX_UNSET;
  2. for (int i = 0; i < formatKeyCount; i++) {
  3.  String key = Util.toLowerInvariant(values[i].trim());
  4.  switch (key) {
  5.   case "start":

代码示例来源：origin: google/ExoPlayer

  1. Integer color = COLOR_MAP.get(Util.toLowerInvariant(colorExpression));
  2. if (color != null) {
  3.  return color;

代码示例来源：origin: google/ExoPlayer

  1. return null;
  2. codec = Util.toLowerInvariant(codec.trim());
  3. if (codec.startsWith("avc1") || codec.startsWith("avc3")) {
  4.  return MimeTypes.VIDEO_H264;

代码示例来源：origin: google/ExoPlayer

  1. return new Point(3840, 2160);
  2. } else if (("NVIDIA".equals(Util.MANUFACTURER) && Util.MODEL.contains("SHIELD"))
  3.   || ("philips".equals(Util.toLowerInvariant(Util.MANUFACTURER))
  4.     && (Util.MODEL.startsWith("QM1")
  5.       || Util.MODEL.equals("QV151E")

代码示例来源：origin: google/ExoPlayer

  1. private static ApicFrame decodeApicFrame(ParsableByteArray id3Data, int frameSize,
  2.   int majorVersion) throws UnsupportedEncodingException {
  3.  int encoding = id3Data.readUnsignedByte();
  4.  String charset = getCharsetName(encoding);
  5.  byte[] data = new byte[frameSize - 1];
  6.  id3Data.readBytes(data, 0, frameSize - 1);
  7.  String mimeType;
  8.  int mimeTypeEndIndex;
  9.  if (majorVersion == 2) {
  10.   mimeTypeEndIndex = 2;
  11.   mimeType = "image/" + Util.toLowerInvariant(new String(data, 0, 3, "ISO-8859-1"));
  12.   if ("image/jpg".equals(mimeType)) {
  13.    mimeType = "image/jpeg";
  14.   }
  15.  } else {
  16.   mimeTypeEndIndex = indexOfZeroByte(data, 0);
  17.   mimeType = Util.toLowerInvariant(new String(data, 0, mimeTypeEndIndex, "ISO-8859-1"));
  18.   if (mimeType.indexOf('/') == -1) {
  19.    mimeType = "image/" + mimeType;
  20.   }
  21.  }
  22.  int pictureType = data[mimeTypeEndIndex + 1] & 0xFF;
  23.  int descriptionStartIndex = mimeTypeEndIndex + 2;
  24.  int descriptionEndIndex = indexOfEos(data, descriptionStartIndex, encoding);
  25.  String description = new String(data, descriptionStartIndex,
  26.    descriptionEndIndex - descriptionStartIndex, charset);
  27.  int pictureDataStartIndex = descriptionEndIndex + delimiterLength(encoding);
  28.  byte[] pictureData = copyOfRangeIfValid(data, pictureDataStartIndex, data.length);
  29.  return new ApicFrame(mimeType, description, pictureType, pictureData);
  30. }

代码示例来源：origin: google/ExoPlayer

  1. TtmlNode.ATTR_TTS_DISPLAY_ALIGN);
  2. if (displayAlign != null) {
  3.  switch (Util.toLowerInvariant(displayAlign)) {
  4.   case "center":
  5.    lineAnchor = Cue.ANCHOR_TYPE_MIDDLE;

代码示例来源：origin: google/ExoPlayer

  1. switch (Util.toLowerInvariant(schemeIdUri)) {
  2.  case "urn:mpeg:dash:mp4protection:2011":
  3.   schemeType = xpp.getAttributeValue(null, "value");

代码示例来源：origin: google/ExoPlayer

  1. break;
  2. case TtmlNode.ATTR_TTS_TEXT_ALIGN:
  3.  switch (Util.toLowerInvariant(attributeValue)) {
  4.   case TtmlNode.LEFT:
  5.    style = createIfNull(style).setTextAlign(Layout.Alignment.ALIGN_NORMAL);
  6.  switch (Util.toLowerInvariant(attributeValue)) {
  7.   case TtmlNode.LINETHROUGH:
  8.    style = createIfNull(style).setLinethrough(true);

代码示例来源：origin: maiwenchang/ArtPlayer

  1. public static int inferContentType(String fileName) {
  2.   fileName = Util.toLowerInvariant(fileName);
  3.   if (fileName.endsWith(".mpd")) {
  4.     return C.TYPE_DASH;
  5.   } else if (fileName.endsWith(".m3u8")) {
  6.     return C.TYPE_HLS;
  7.   } else if (fileName.endsWith(".ism") || fileName.endsWith(".isml")
  8.       || fileName.endsWith(".ism/manifest") || fileName.endsWith(".isml/manifest")) {
  9.     return C.TYPE_SS;
  10.   } else if (fileName.startsWith("rtmp:")) {
  11.     return TYPE_RTMP;
  12.   } else {
  13.     return C.TYPE_OTHER;
  14.   }
  15. }

代码示例来源：origin: novoda/no-player

  1. Integer color = COLOR_MAP.get(Util.toLowerInvariant(colorExpression));
  2. if (color != null) {
  3.  return color;

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