diff --git a/Attorney_Online.pro b/Attorney_Online.pro
index 6061cd9..ab61a55 100644
--- a/Attorney_Online.pro
+++ b/Attorney_Online.pro
@@ -13,7 +13,6 @@ MOC_DIR = $$PWD/build
 SOURCES += $$files($$PWD/src/*.cpp)
 HEADERS += $$files($$PWD/include/*.h)
 
-
 LIBS += -L$$PWD/lib
 
 DEFINES += DISCORD
@@ -26,6 +25,7 @@ DEFINES += BASSAUDIO
 
 contains(DEFINES, BASSAUDIO) {
 LIBS += -lbass
+LIBS += -lbassopus
 }
 
 #DEFINES += QTAUDIO
diff --git a/include/aoblipplayer.h b/include/aoblipplayer.h
index 9a42837..a848e80 100644
--- a/include/aoblipplayer.h
+++ b/include/aoblipplayer.h
@@ -3,6 +3,7 @@
 
 #if defined(BASSAUDIO)
 #include "bass.h"
+#include "bassopus.h"
 #elif defined(QTAUDIO)
 #include <QSoundEffect>
 #endif
diff --git a/include/aomusicplayer.h b/include/aomusicplayer.h
index 52c97c3..1a53582 100644
--- a/include/aomusicplayer.h
+++ b/include/aomusicplayer.h
@@ -4,6 +4,7 @@
 
 #if defined(BASSAUDIO)
 #include "bass.h"
+#include "bassopus.h"
 #elif defined(QTAUDIO)
 #include <QMediaPlayer>
 #endif
diff --git a/include/aosfxplayer.h b/include/aosfxplayer.h
index 112e3ec..3ae8bdf 100644
--- a/include/aosfxplayer.h
+++ b/include/aosfxplayer.h
@@ -3,6 +3,7 @@
 
 #if defined(BASSAUDIO)
 #include "bass.h"
+#include "bassopus.h"
 #elif defined(QTAUDIO)
 #include <QSoundEffect>
 #endif
diff --git a/include/bassopus.h b/include/bassopus.h
new file mode 100644
index 0000000..4e48124
--- /dev/null
+++ b/include/bassopus.h
@@ -0,0 +1,52 @@
+/*
+	BASSOPUS 2.4 C/C++ header file
+	Copyright (c) 2012-2015 Un4seen Developments Ltd.
+
+	See the BASSOPUS.CHM file for more detailed documentation
+*/
+
+#ifndef BASSOPUS_H
+#define BASSOPUS_H
+
+#include "bass.h"
+
+#if BASSVERSION!=0x204
+#error conflicting BASS and BASSOPUS versions
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef BASSOPUSDEF
+#define BASSOPUSDEF(f) WINAPI f
+#endif
+
+// BASS_CHANNELINFO type
+#define BASS_CTYPE_STREAM_OPUS		0x11200
+
+// Additional attributes
+#define BASS_ATTRIB_OPUS_ORIGFREQ	0x13000
+#define BASS_ATTRIB_OPUS_GAIN		0x13001
+
+HSTREAM BASSOPUSDEF(BASS_OPUS_StreamCreateFile)(BOOL mem, const void *file, QWORD offset, QWORD length, DWORD flags);
+HSTREAM BASSOPUSDEF(BASS_OPUS_StreamCreateURL)(const char *url, DWORD offset, DWORD flags, DOWNLOADPROC *proc, void *user);
+HSTREAM BASSOPUSDEF(BASS_OPUS_StreamCreateFileUser)(DWORD system, DWORD flags, const BASS_FILEPROCS *procs, void *user);
+
+#ifdef __cplusplus
+}
+
+#if defined(_WIN32) && !defined(NOBASSOVERLOADS)
+static inline HSTREAM BASS_OPUS_StreamCreateFile(BOOL mem, const WCHAR *file, QWORD offset, QWORD length, DWORD flags)
+{
+	return BASS_OPUS_StreamCreateFile(mem, (const void*)file, offset, length, flags|BASS_UNICODE);
+}
+
+static inline HSTREAM BASS_OPUS_StreamCreateURL(const WCHAR *url, DWORD offset, DWORD flags, DOWNLOADPROC *proc, void *user)
+{
+	return BASS_OPUS_StreamCreateURL((const char*)url, offset, flags|BASS_UNICODE, proc, user);
+}
+#endif
+#endif
+
+#endif
diff --git a/src/aoblipplayer.cpp b/src/aoblipplayer.cpp
index 5f4dc6c..4c7bf7b 100644
--- a/src/aoblipplayer.cpp
+++ b/src/aoblipplayer.cpp
@@ -15,7 +15,10 @@ void AOBlipPlayer::set_blips(QString p_sfx)
   {
     BASS_StreamFree(m_stream_list[n_stream]);
 
-    m_stream_list[n_stream] = BASS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, BASS_UNICODE | BASS_ASYNCFILE);
+    if (f_path.endsWith(".opus"))
+      m_stream_list[n_stream] = BASS_OPUS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, BASS_UNICODE | BASS_ASYNCFILE);
+    else
+      m_stream_list[n_stream] = BASS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, BASS_UNICODE | BASS_ASYNCFILE);
   }
 
   set_volume_internal(m_volume);
@@ -46,7 +49,7 @@ void AOBlipPlayer::set_volume(qreal p_value)
 
 void AOBlipPlayer::set_volume_internal(qreal p_value)
 {
-  float volume = p_value;
+  float volume = static_cast<float>(p_value);
 
   for (int n_stream = 0 ; n_stream < 5 ; ++n_stream)
   {
diff --git a/src/aomusicplayer.cpp b/src/aomusicplayer.cpp
index 49cf089..9a96b3e 100644
--- a/src/aomusicplayer.cpp
+++ b/src/aomusicplayer.cpp
@@ -26,7 +26,11 @@ void AOMusicPlayer::play(QString p_song, int channel, bool loop, int effect_flag
   if (loop)
     flags |= BASS_SAMPLE_LOOP;
 
-  DWORD newstream = BASS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, flags);
+  DWORD newstream;
+  if (f_path.endsWith(".opus"))
+    newstream = BASS_OPUS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, flags);
+  else
+    newstream = BASS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, flags);
 
   if (ao_app->get_audio_output_device() != "default")
     BASS_ChannelSetDevice(m_stream_list[channel], BASS_GetDevice());
diff --git a/src/aosfxplayer.cpp b/src/aosfxplayer.cpp
index cc01972..98496ea 100644
--- a/src/aosfxplayer.cpp
+++ b/src/aosfxplayer.cpp
@@ -59,7 +59,10 @@ void AOSfxPlayer::play(QString p_sfx, QString p_char, QString shout, int channel
   if (!file_exists(f_path))
     f_path = ao_app->get_sfx_suffix(f_path); //If we're not given a sound file with .wav/.ogg/.opus already there, let's do this thing
 
-  m_stream_list[channel] = BASS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, BASS_STREAM_AUTOFREE | BASS_UNICODE | BASS_ASYNCFILE);
+  if (f_path.endsWith(".opus"))
+    m_stream_list[channel] = BASS_OPUS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, BASS_STREAM_AUTOFREE | BASS_UNICODE | BASS_ASYNCFILE);
+  else
+    m_stream_list[channel] = BASS_StreamCreateFile(FALSE, f_path.utf16(), 0, 0, BASS_STREAM_AUTOFREE | BASS_UNICODE | BASS_ASYNCFILE);
 
   set_volume_internal(m_volume);