增加视频加水印方法

liusuyi

2023-07-01 61d0cb34e8d5feba1961fef81f62eab37a256152

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exports.encrypt = function (self, block) {
  return self._cipher.encryptBlock(block)
}
 
exports.decrypt = function (self, block) {
  return self._cipher.decryptBlock(block)
}