Source release 19.3.0

util/include/string_conversions.h

@@ -56,6 +56,18 @@ inline int64_t ntohll64(int64_t x) { return htonll64(x); }
 // Encode unsigned integer into a big endian formatted string.
 std::string EncodeUint32(uint32_t u);
 
+// Converts a byte string representing an ID into a log-friendly form.
+//
+// Conversion rules:
+// 1) empty - returns <empty>
+// 2) printable ASCII only - original content, surrounded by double
+//                           quotes; double quotes and backslashes
+//                           are escaped, like C/C++ string literals.
+// 3) otherwise - Unquoted, hexadecimal encoded string.
+//
+// Intended to be used on ID strings which are provided/generated
+// from sources outside of the CDM.
+std::string SafeByteIdToString(const std::string& id);
+std::string SafeByteIdToString(const std::vector<uint8_t>& id);
 }  // namespace wvutil
-
 #endif  // WVCDM_UTIL_STRING_CONVERSIONS_H_