Upgrade sound engine to support 44100hz sample rate (#20200)

* Upgrade sound engine to support 44100hz.
* Increase audio output buffer size to 4096.

distribution/changelog.txt

@@ -1,5 +1,6 @@
 0.4.6 (in development)
 ------------------------------------------------------------------------
+- Improved: [#20200] Allow audio files to play to up to 44100hz sample rate (from 22050hz).
 - Change: [#20110] Fix a few RCT1 build height parity discrepancies.
 - Fix: [#19823] Parkobj, disallow overriding objects of different object types.
 

src/openrct2-ui/audio/AudioMixer.cpp

@@ -27,10 +27,10 @@ void AudioMixer::Init(const char* device)
     Close();
 
     SDL_AudioSpec want = {};
-    want.freq = 22050;
+    want.freq = 44100;
     want.format = AUDIO_S16SYS;
     want.channels = 2;
-    want.samples = 2048;
+    want.samples = 4096;
     want.callback = [](void* arg, uint8_t* dst, int32_t length) -> void {
         auto* mixer = static_cast<AudioMixer*>(arg);
         mixer->GetNextAudioChunk(dst, static_cast<size_t>(length));