audio: rewrite IAudioDevice

src/common/string_util.cpp

@@ -38,6 +38,10 @@ std::string StringFromBuffer(std::span<const u8> data) {
     return std::string(data.begin(), std::find(data.begin(), data.end(), '\0'));
 }
 
+std::string StringFromBuffer(std::span<const char> data) {
+    return std::string(data.begin(), std::find(data.begin(), data.end(), '\0'));
+}
+
 // Turns "  hej " into "hej". Also handles tabs.
 std::string StripSpaces(const std::string& str) {
     const std::size_t s = str.find_first_not_of(" \t\r\n");

src/common/string_util.h

@@ -19,6 +19,7 @@ namespace Common {
 [[nodiscard]] std::string ToUpper(std::string str);
 
 [[nodiscard]] std::string StringFromBuffer(std::span<const u8> data);
+[[nodiscard]] std::string StringFromBuffer(std::span<const char> data);
 
 [[nodiscard]] std::string StripSpaces(const std::string& s);
 [[nodiscard]] std::string StripQuotes(const std::string& s);