Don't resample audio if not needed, submit correct rate to LibRetro

src/audio_core/libretro_sink.cpp

@@ -9,6 +9,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/settings.h"
+#include "audio_types.h"
 
 namespace AudioCore {
 
@@ -22,7 +23,7 @@ LibRetroSink::LibRetroSink() : impl(std::make_unique<Impl>()) {}
 LibRetroSink::~LibRetroSink() {}
 
 unsigned int LibRetroSink::GetNativeSampleRate() const {
-    return 41000; // We specify this.
+    return native_sample_rate; // We specify this.
 }
 
 std::vector<std::string> LibRetroSink::GetDeviceList() const {

src/citra_libretro/emu_window/libretro_window.cpp

@@ -180,7 +180,7 @@ void EmuWindow_LibRetro::Prepare(bool hasOGL) {
     // Update Libretro with our status
     struct retro_system_av_info info {};
     info.timing.fps = 60.0;
-    info.timing.sample_rate = 41000;
+    info.timing.sample_rate = 32728;
     info.geometry.aspect_ratio = (float)baseX / (float)baseY;
     info.geometry.base_width = baseX;
     info.geometry.base_height = baseY;

src/citra_libretro/environment.cpp

@@ -145,7 +145,7 @@ void retro_set_input_state(retro_input_state_t cb) {
 void retro_get_system_av_info(struct retro_system_av_info* info) {
     // These are placeholders until we get control.
     info->timing.fps = 60.0;
-    info->timing.sample_rate = 41000;
+    info->timing.sample_rate = 32728;
     info->geometry.base_width = 400;
     info->geometry.base_height = 480;
     info->geometry.max_width = 400 * 10;