Move frontend-common to util/core

src/util/audio_stream.h

@@ -7,6 +7,8 @@
 #include <atomic>
 #include <memory>
 #include <optional>
+#include <string>
+#include <vector>
 
 #ifdef _MSC_VER
 #pragma warning(push)
@@ -77,6 +79,17 @@ public:
 
   static std::unique_ptr<AudioStream> CreateNullStream(u32 sample_rate, u32 channels, u32 buffer_ms);
 
+#ifdef WITH_CUBEB
+  static std::unique_ptr<AudioStream> CreateCubebAudioStream(u32 sample_rate, u32 channels, u32 buffer_ms,
+                                                             u32 latency_ms, AudioStretchMode stretch);
+  static std::vector<std::string> GetCubebDriverNames();
+  static std::vector<std::pair<std::string, std::string>> GetCubebOutputDevices(const char* driver);
+#endif
+#ifdef _WIN32
+  static std::unique_ptr<AudioStream> CreateXAudio2Stream(u32 sample_rate, u32 channels, u32 buffer_ms, u32 latency_ms,
+                                                          AudioStretchMode stretch);
+#endif
+
 protected:
   AudioStream(u32 sample_rate, u32 channels, u32 buffer_ms, AudioStretchMode stretch);
   void BaseInitialize();