AudioStream: Replace buffer queue with ring buffer

Should achieve a decent overall minimum latency reduction.
2020-06-06 14:40:20 +10:00
parent 6acd8b27dd
commit 531c3ad5fa
16 changed files with 205 additions and 253 deletions
--- a/src/frontend-common/sdl_audio_stream.h
+++ b/src/frontend-common/sdl_audio_stream.h
@@ -11,12 +11,14 @@ public:
  static std::unique_ptr<SDLAudioStream> Create();

 protected:
+  ALWAYS_INLINE bool IsOpen() const { return (m_device_id != 0); }
+
  bool OpenDevice() override;
  void PauseDevice(bool paused) override;
  void CloseDevice() override;
-  void BufferAvailable() override;
+  void FramesAvailable() override;

  static void AudioCallback(void* userdata, uint8_t* stream, int len);

-  bool m_is_open = false;
+  u32 m_device_id = 0;
 };