Use constant for sample rate and add comment

Author: LAGonauta

include/Config/SettingsManager.hpp

@@ -36,6 +36,8 @@ namespace MetaAudio
 
         XFiWorkaround XfiWorkaround();
     };
+
+    const int SOXR_SAMPLE_RATE = 48000;
 }
 
 #ifndef _METAAUDIO_SETTINGS_MANAGER_

include/Loaders/SoxrDecoder.hpp

@@ -3,6 +3,7 @@
 #include "alure2.h"
 #include "Structures/AudioBuffer.hpp"
 #include "Utilities/SoxrResamplerHelper.hpp"
+#include "Config/SettingsManager.hpp"
 
 namespace MetaAudio
 {
@@ -14,8 +15,8 @@ namespace MetaAudio
     SoxrResamplerHelper m_helper;
 
   public:
-    SoxrDecoder(alure::String file_path, alure::Context context, size_t frequency = 48000);
-    SoxrDecoder(alure::SharedPtr<alure::Decoder> dec, size_t frequency = 48000);
+    SoxrDecoder(alure::String file_path, alure::Context context, size_t frequency = SOXR_SAMPLE_RATE);
+    SoxrDecoder(alure::SharedPtr<alure::Decoder> dec, size_t frequency = SOXR_SAMPLE_RATE);
 
     ALuint getFrequency() const noexcept override;
     alure::ChannelConfig getChannelConfig() const noexcept override;

src/Loaders/LocalAudioDecoder.cpp

@@ -29,9 +29,10 @@ namespace MetaAudio
     info.loopstart = loop_points.first;
     info.loopend = loop_points.second;
 
+    // The decoder `dec` was not created with the resampled audio data, so we need to workaround this
     if (settings.ResampleAll() && info.looping)
     {
-      auto ratio = 48000 / dec->getFrequency();
+      auto ratio = SOXR_SAMPLE_RATE / dec->getFrequency();
       info.loopstart *= ratio;
       info.loopend *= ratio;
     }