Revert SDL audio buffer size on macOS to v4.3.1 value

Fixes #1071

app/streaming/audio/renderers/sdlaud.cpp

@@ -31,7 +31,14 @@ bool SdlAudioRenderer::prepareForPlayback(const OPUS_MULTISTREAM_CONFIGURATION*
     // to mitigate this issue. Otherwise, we will buffer up to 3 frames of audio which
     // is 15 ms at regular 5 ms frames and 30 ms at 10 ms frames for slow connections.
     // The buffering helps avoid audio underruns due to network jitter.
+#ifndef Q_OS_DARWIN
     want.samples = SDL_max(480, opusConfig->samplesPerFrame * 3);
+#else
+    // HACK: Changing the buffer size can lead to Bluetooth HFP
+    // audio issues on macOS, so we're leaving this alone.
+    // https://github.com/moonlight-stream/moonlight-qt/issues/1071
+    want.samples = SDL_max(480, opusConfig->samplesPerFrame);
+#endif
 
     m_FrameSize = opusConfig->samplesPerFrame * sizeof(short) * opusConfig->channelCount;