diff --git a/CMakeLists.txt b/CMakeLists.txt
index a9414df4..f2b74bd1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -309,7 +309,7 @@ target_link_libraries(lovr
 if(LOVR_ENABLE_AUDIO)
   target_sources(lovr PRIVATE
     src/modules/audio/audio.c
-    src/modules/audio/spatializers/simple_spatializer.c
+    src/modules/audio/spatializers/spatializer_simple.c
     src/api/l_audio.c
     src/api/l_audio_source.c
     src/lib/miniaudio/miniaudio.c
@@ -341,7 +341,7 @@ if(LOVR_ENABLE_AUDIO)
 
     set(LOVR_OCULUS_AUDIO OculusAudio)
     add_definitions(-DLOVR_ENABLE_OCULUS_AUDIO)
-    target_sources(lovr PRIVATE src/modules/audio/spatializers/oculus_spatializer.c)
+    target_sources(lovr PRIVATE src/modules/audio/spatializers/spatializer_oculus.c)
     target_link_libraries(lovr ${LOVR_OCULUS_AUDIO}) # TODO: Reorder?
   endif()
 else()
@@ -649,10 +649,6 @@ elseif(ANDROID)
       set(ANDROID_APKSIGNER_KEYSTORE_PASS --ks-pass)
     endif()
 
-    if (ANDROID_EXTRAPACKAGES) # Only pass --extra-packages if var is set
-      set(ANDROID_EXTRAPACKAGES --extra-packages ${ANDROID_EXTRAPACKAGES})
-    endif()
-
     # Make an apk
     add_custom_target(
       buildAPK ALL
@@ -669,7 +665,6 @@ elseif(ANDROID)
         -M AndroidManifest.xml
         -I ${ANDROID_JAR}
         -F lovr.unaligned.apk
-        ${ANDROID_EXTRAPACKAGES}
         ${ANDROID_ASSETS}
         raw
       COMMAND ${ANDROID_TOOLS}/zipalign -f -p 4 lovr.unaligned.apk lovr.unsigned.apk
diff --git a/Tupfile b/Tupfile
index 848fbcf5..fa9b206f 100644
--- a/Tupfile
+++ b/Tupfile
@@ -16,7 +16,7 @@ SRC += src/core/util.c
 SRC += src/core/zip.c
 
 # modules
-SRC_@(AUDIO) += src/modules/audio/audio.c src/modules/audio/spatializers/simple_spatializer.c
+SRC_@(AUDIO) += src/modules/audio/*.c src/modules/audio/spatializers/spatializer_simple.c
 SRC_@(DATA) += src/modules/data/*.c
 SRC_@(EVENT) += src/modules/event/*.c
 SRC_@(FILESYSTEM) += src/modules/filesystem/*.c
diff --git a/src/api/api.h b/src/api/api.h
index 1c8bf95c..8b08993e 100644
--- a/src/api/api.h
+++ b/src/api/api.h
@@ -96,13 +96,14 @@ extern StringEntry lovrJointType[];
 extern StringEntry lovrMaterialColor[];
 extern StringEntry lovrMaterialScalar[];
 extern StringEntry lovrMaterialTexture[];
+extern StringEntry lovrPermission[];
+extern StringEntry lovrSampleFormat[];
 extern StringEntry lovrShaderType[];
 extern StringEntry lovrShapeType[];
 extern StringEntry lovrStencilAction[];
 extern StringEntry lovrTextureFormat[];
 extern StringEntry lovrTextureType[];
 extern StringEntry lovrTimeUnit[];
-extern StringEntry lovrSampleFormat[];
 extern StringEntry lovrUniformAccess[];
 extern StringEntry lovrVerticalAlign[];
 extern StringEntry lovrWinding[];
diff --git a/src/api/l_audio.c b/src/api/l_audio.c
index 58d277f9..39772713 100644
--- a/src/api/l_audio.c
+++ b/src/api/l_audio.c
@@ -118,9 +118,16 @@ static int l_lovrAudioGetCaptureStream(lua_State* L) {
 }
 
 static int l_lovrAudioNewSource(lua_State* L) {
-  Source* source = NULL;
   SoundData* soundData = luax_totype(L, 1, SoundData);
 
+  if (!soundData) {
+    Blob* blob = luax_readblob(L, 1, "Source");
+    soundData = lovrSoundDataCreateFromFile(blob, false);
+    lovrRelease(Blob, blob);
+  } else {
+    lovrRetain(soundData);
+  }
+
   bool spatial = true;
   if (lua_istable(L, 2)) {
     lua_getfield(L, 2, "spatial");
@@ -128,18 +135,9 @@ static int l_lovrAudioNewSource(lua_State* L) {
     lua_pop(L, 1);
   }
 
-  if (soundData) {
-    source = lovrSourceCreate(soundData, spatial);
-  } else {
-    Blob* blob = luax_readblob(L, 1, "Source");
-    soundData = lovrSoundDataCreateFromFile(blob, false);
-    lovrRelease(Blob, blob);
-
-    source = lovrSourceCreate(soundData, spatial);
-    lovrRelease(SoundData, soundData);
-  }
-
+  Source* source = lovrSourceCreate(soundData, spatial);
   luax_pushtype(L, Source, source);
+  lovrRelease(SoundData, soundData);
   lovrRelease(Source, source);
   return 1;
 }
diff --git a/src/api/l_event.c b/src/api/l_event.c
index 86ecc2fc..d559f498 100644
--- a/src/api/l_event.c
+++ b/src/api/l_event.c
@@ -116,7 +116,6 @@ StringEntry lovrPermission[] = {
   { 0 }
 };
 
-
 static LOVR_THREAD_LOCAL int pollRef;
 
 void luax_checkvariant(lua_State* L, int index, Variant* variant) {
diff --git a/src/core/os.h b/src/core/os.h
index eaf3b86a..7884bec7 100644
--- a/src/core/os.h
+++ b/src/core/os.h
@@ -130,7 +130,7 @@ typedef enum {
 } ButtonAction;
 
 typedef enum {
-  AUDIO_CAPTURE_PERMISSION,
+  AUDIO_CAPTURE_PERMISSION
 } Permission;
 
 typedef void (*quitCallback)(void);
@@ -139,7 +139,7 @@ typedef void (*windowResizeCallback)(int width, int height);
 typedef void (*mouseButtonCallback)(MouseButton button, ButtonAction action);
 typedef void (*keyboardCallback)(ButtonAction action, KeyboardKey key, uint32_t scancode, bool repeat);
 typedef void (*textCallback)(uint32_t codepoint);
-typedef void (*permissionsCallback)(Permission permission, bool granted);
+typedef void (*permissionCallback)(Permission permission, bool granted);
 
 bool lovrPlatformInit(void);
 void lovrPlatformDestroy(void);
@@ -172,4 +172,4 @@ void lovrPlatformSetMouseMode(MouseMode mode);
 bool lovrPlatformIsMouseDown(MouseButton button);
 bool lovrPlatformIsKeyDown(KeyboardKey key);
 void lovrPlatformRequestPermission(Permission permission);
-void lovrPlatformOnPermissionEvent(permissionsCallback callback);
+void lovrPlatformOnPermissionEvent(permissionCallback callback);
diff --git a/src/core/os_android.c b/src/core/os_android.c
index 5280388d..e37c0159 100644
--- a/src/core/os_android.c
+++ b/src/core/os_android.c
@@ -22,7 +22,7 @@ static struct {
   quitCallback onQuit;
   keyboardCallback onKeyboardEvent;
   textCallback onTextEvent;
-  permissionsCallback onPermissionEvent;
+  permissionCallback onPermissionEvent;
 } state;
 
 static void onAppCmd(struct android_app* app, int32_t cmd) {
@@ -471,7 +471,7 @@ bool lovrPlatformIsKeyDown(KeyboardKey key) {
   return false;
 }
 
-// permissions
+// Permissions
 
 void lovrPlatformRequestPermission(Permission permission) {
   if (permission == AUDIO_CAPTURE_PERMISSION) {
@@ -480,7 +480,7 @@ void lovrPlatformRequestPermission(Permission permission) {
     jmethodID requestAudioCapturePermission = (*state.jni)->GetMethodID(state.jni, class, "requestAudioCapturePermission", "()V");
     if (!requestAudioCapturePermission) {
       (*state.jni)->DeleteLocalRef(state.jni, class);
-      if(state.onPermissionEvent) state.onPermissionEvent(AUDIO_CAPTURE_PERMISSION, false);
+      if (state.onPermissionEvent) state.onPermissionEvent(AUDIO_CAPTURE_PERMISSION, false);
       return;
     }
 
@@ -488,7 +488,7 @@ void lovrPlatformRequestPermission(Permission permission) {
   }
 }
 
-void lovrPlatformOnPermissionEvent(permissionsCallback callback) {
+void lovrPlatformOnPermissionEvent(permissionCallback callback) {
   state.onPermissionEvent = callback;
 }
 
diff --git a/src/core/os_linux.c b/src/core/os_linux.c
index b786c7e8..56a88e57 100644
--- a/src/core/os_linux.c
+++ b/src/core/os_linux.c
@@ -119,6 +119,6 @@ void lovrPlatformRequestPermission(Permission permission) {
   //
 }
 
-void lovrPlatformOnPermissionEvent(permissionsCallback callback) {
+void lovrPlatformOnPermissionEvent(permissionCallback callback) {
   //
 }
diff --git a/src/core/os_macos.c b/src/core/os_macos.c
index 62f500d7..49153044 100644
--- a/src/core/os_macos.c
+++ b/src/core/os_macos.c
@@ -126,6 +126,6 @@ void lovrPlatformRequestPermission(Permission permission) {
   //
 }
 
-void lovrPlatformOnPermissionEvent(permissionsCallback callback) {
+void lovrPlatformOnPermissionEvent(permissionCallback callback) {
   //
 }
diff --git a/src/core/os_web.c b/src/core/os_web.c
index 6ec398e2..412bde43 100644
--- a/src/core/os_web.c
+++ b/src/core/os_web.c
@@ -375,6 +375,6 @@ void lovrPlatformRequestPermission(Permission permission) {
   //
 }
 
-void lovrPlatformOnPermissionEvent(permissionsCallback callback) {
+void lovrPlatformOnPermissionEvent(permissionCallback callback) {
   //
 }
diff --git a/src/core/os_win32.c b/src/core/os_win32.c
index e94d616a..1fe23a9b 100644
--- a/src/core/os_win32.c
+++ b/src/core/os_win32.c
@@ -105,6 +105,6 @@ void lovrPlatformRequestPermission(Permission permission) {
   //
 }
 
-void lovrPlatformOnPermissionEvent(permissionsCallback callback) {
+void lovrPlatformOnPermissionEvent(permissionCallback callback) {
   //
 }
diff --git a/src/modules/audio/audio.c b/src/modules/audio/audio.c
index d0c4b41b..53cf51ef 100644
--- a/src/modules/audio/audio.c
+++ b/src/modules/audio/audio.c
@@ -187,7 +187,7 @@ bool lovrAudioInit(const char* spatializer) {
 
   SpatializerConfig spatializerConfig = {
     .maxSourcesHint = MAX_SOURCES,
-    .fixedBuffer = BUFFER_SIZE,
+    .fixedBufferSize = BUFFER_SIZE,
     .sampleRate = PLAYBACK_SAMPLE_RATE
   };
 
diff --git a/src/modules/audio/spatializer.h b/src/modules/audio/spatializer.h
index fa3c0700..d58bf74c 100644
--- a/src/modules/audio/spatializer.h
+++ b/src/modules/audio/spatializer.h
@@ -1,17 +1,15 @@
 #include "audio.h"
-#include "core/maf.h"
 
 typedef struct {
-  int maxSourcesHint;
-  int fixedBuffer;
-  int sampleRate;
+  uint32_t maxSourcesHint;
+  uint32_t fixedBufferSize;
+  uint32_t sampleRate;
 } SpatializerConfig;
 
 typedef struct {
   // return true on success
   bool (*init)(SpatializerConfig config);
   void (*destroy)(void);
-
   // input is mono, output is interleaved stereo, framesIn is mono frames, framesOut is stereo frames.
   // Safe to assume framesIn == framesOut unless spatializer requests needFixedBuffer.
   // Return value is number of samples written into output.
@@ -20,13 +18,9 @@ typedef struct {
   // output is stereo, frames is stereo frames, scratch is a buffer the length of output (in case that helps)
   // return value is number of stereo frames written.
   uint32_t (*tail)(float* scratch, float* output, uint32_t frames);
-
   void (*setListenerPose)(float position[4], float orientation[4]);
-
   void (*sourceCreate)(Source* source);
   void (*sourceDestroy)(Source* source);
-
-  bool buffered;
   const char* name;
 } Spatializer;
 
diff --git a/src/modules/audio/spatializers/oculus_spatializer_math_shim.h b/src/modules/audio/spatializers/oculus_spatializer_math_shim.h
deleted file mode 100644
index 09fe3946..00000000
--- a/src/modules/audio/spatializers/oculus_spatializer_math_shim.h
+++ /dev/null
@@ -1,70 +0,0 @@
-#ifndef OVR_CAPI_h
-#define OVR_CAPI_h
-
-// Just the definition of a pose from OVR_CAPI.h. Lets OVR_Audio work right.
-
-#if !defined(OVR_UNUSED_STRUCT_PAD)
-    #define OVR_UNUSED_STRUCT_PAD(padName, size) char padName[size];
-#endif
-
-#if !defined(OVR_ALIGNAS)
-    #if defined(__GNUC__) || defined(__clang__)
-        #define OVR_ALIGNAS(n) __attribute__((aligned(n)))
-    #elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
-        #define OVR_ALIGNAS(n) __declspec(align(n))
-    #elif defined(__CC_ARM)
-        #define OVR_ALIGNAS(n) __align(n)
-    #else
-        #error Need to define OVR_ALIGNAS
-    #endif
-#endif
-
-/// A quaternion rotation.
-typedef struct OVR_ALIGNAS(4) ovrQuatf_
-{
-    float x, y, z, w;
-} ovrQuatf;
-
-/// A 2D vector with float components.
-typedef struct OVR_ALIGNAS(4) ovrVector2f_
-{
-    float x, y;
-} ovrVector2f;
-
-/// A 3D vector with float components.
-typedef struct OVR_ALIGNAS(4) ovrVector3f_
-{
-    float x, y, z;
-} ovrVector3f;
-
-/// A 4x4 matrix with float elements.
-typedef struct OVR_ALIGNAS(4) ovrMatrix4f_
-{
-    float M[4][4];
-} ovrMatrix4f;
-
-
-/// Position and orientation together.
-typedef struct OVR_ALIGNAS(4) ovrPosef_
-{
-    ovrQuatf     Orientation;
-    ovrVector3f  Position;
-} ovrPosef;
-
-/// A full pose (rigid body) configuration with first and second derivatives.
-///
-/// Body refers to any object for which ovrPoseStatef is providing data.
-/// It can be the HMD, Touch controller, sensor or something else. The context
-/// depends on the usage of the struct.
-typedef struct OVR_ALIGNAS(8) ovrPoseStatef_
-{
-    ovrPosef     ThePose;               ///< Position and orientation.
-    ovrVector3f  AngularVelocity;       ///< Angular velocity in radians per second.
-    ovrVector3f  LinearVelocity;        ///< Velocity in meters per second.
-    ovrVector3f  AngularAcceleration;   ///< Angular acceleration in radians per second per second.
-    ovrVector3f  LinearAcceleration;    ///< Acceleration in meters per second per second.
-    OVR_UNUSED_STRUCT_PAD(pad0, 4)      ///< \internal struct pad.
-    double       TimeInSeconds;         ///< Absolute time that this pose refers to. \see ovr_GetTimeInSeconds
-} ovrPoseStatef;
-
-#endif
\ No newline at end of file
diff --git a/src/modules/audio/spatializers/oculus_spatializer.c b/src/modules/audio/spatializers/spatializer_oculus.c
similarity index 76%
rename from src/modules/audio/spatializers/oculus_spatializer.c
rename to src/modules/audio/spatializers/spatializer_oculus.c
index c7410196..b2b21ad5 100644
--- a/src/modules/audio/spatializers/oculus_spatializer.c
+++ b/src/modules/audio/spatializers/spatializer_oculus.c
@@ -1,10 +1,77 @@
 #include "audio/audio.h"
 #include "audio/spatializer.h"
 #include "lib/miniaudio/miniaudio.h"
-#include "oculus_spatializer_math_shim.h"
-#include "OVR_Audio.h"
 #include <stdlib.h>
 
+//////// Just the definition of a pose from OVR_CAPI.h. Lets OVR_Audio work right.
+#ifndef OVR_CAPI_h
+#define OVR_CAPI_h
+#if !defined(OVR_UNUSED_STRUCT_PAD)
+    #define OVR_UNUSED_STRUCT_PAD(padName, size) char padName[size];
+#endif
+
+#if !defined(OVR_ALIGNAS)
+    #if defined(__GNUC__) || defined(__clang__)
+        #define OVR_ALIGNAS(n) __attribute__((aligned(n)))
+    #elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
+        #define OVR_ALIGNAS(n) __declspec(align(n))
+    #elif defined(__CC_ARM)
+        #define OVR_ALIGNAS(n) __align(n)
+    #else
+        #error Need to define OVR_ALIGNAS
+    #endif
+#endif
+
+/// A quaternion rotation.
+typedef struct OVR_ALIGNAS(4) ovrQuatf_
+{
+    float x, y, z, w;
+} ovrQuatf;
+
+/// A 2D vector with float components.
+typedef struct OVR_ALIGNAS(4) ovrVector2f_
+{
+    float x, y;
+} ovrVector2f;
+
+/// A 3D vector with float components.
+typedef struct OVR_ALIGNAS(4) ovrVector3f_
+{
+    float x, y, z;
+} ovrVector3f;
+
+/// A 4x4 matrix with float elements.
+typedef struct OVR_ALIGNAS(4) ovrMatrix4f_
+{
+    float M[4][4];
+} ovrMatrix4f;
+
+
+/// Position and orientation together.
+typedef struct OVR_ALIGNAS(4) ovrPosef_
+{
+    ovrQuatf     Orientation;
+    ovrVector3f  Position;
+} ovrPosef;
+
+/// A full pose (rigid body) configuration with first and second derivatives.
+///
+/// Body refers to any object for which ovrPoseStatef is providing data.
+/// It can be the HMD, Touch controller, sensor or something else. The context
+/// depends on the usage of the struct.
+typedef struct OVR_ALIGNAS(8) ovrPoseStatef_
+{
+    ovrPosef     ThePose;               ///< Position and orientation.
+    ovrVector3f  AngularVelocity;       ///< Angular velocity in radians per second.
+    ovrVector3f  LinearVelocity;        ///< Velocity in meters per second.
+    ovrVector3f  AngularAcceleration;   ///< Angular acceleration in radians per second per second.
+    ovrVector3f  LinearAcceleration;    ///< Acceleration in meters per second per second.
+    OVR_UNUSED_STRUCT_PAD(pad0, 4)      ///< \internal struct pad.
+    double       TimeInSeconds;         ///< Absolute time that this pose refers to. \see ovr_GetTimeInSeconds
+} ovrPoseStatef;
+#endif //////// end OVR_CAPI_h
+#include <OVR_Audio.h>
+
 typedef struct {
   Source* source;
   bool usedSourceThisPlayback; // If true source was non-NULL at some point between midPlayback going high and tail()
@@ -232,6 +299,5 @@ Spatializer oculusSpatializer = {
   .setListenerPose = oculus_spatializer_setListenerPose,
   .sourceCreate = oculus_spatializer_source_create,
   .sourceDestroy = oculus_spatializer_source_destroy, // Need noop
-  .buffered = true,
   .name = "oculus"
 };
diff --git a/src/modules/audio/spatializers/simple_spatializer.c b/src/modules/audio/spatializers/spatializer_simple.c
similarity index 99%
rename from src/modules/audio/spatializers/simple_spatializer.c
rename to src/modules/audio/spatializers/spatializer_simple.c
index 7f652db3..c0062bea 100644
--- a/src/modules/audio/spatializers/simple_spatializer.c
+++ b/src/modules/audio/spatializers/spatializer_simple.c
@@ -1,4 +1,5 @@
 #include "../spatializer.h"
+#include "core/maf.h"
 #include "core/util.h"
 
 static struct {
@@ -66,6 +67,5 @@ Spatializer simpleSpatializer = {
   .setListenerPose = simple_spatializer_setListenerPose,
   .sourceCreate = simple_spatializer_source_create,
   .sourceDestroy = simple_spatializer_source_destroy,
-  .buffered = false,
   .name = "simple"
 };
diff --git a/src/modules/headset/headset_pico.c b/src/modules/headset/headset_pico.c
index d9f80e18..70ececca 100644
--- a/src/modules/headset/headset_pico.c
+++ b/src/modules/headset/headset_pico.c
@@ -224,7 +224,7 @@ static struct {
   arr_t(NativeCanvas) canvases;
   void (*renderCallback)(void*);
   void* renderUserdata;
-  permissionsCallback onPermissionEvent;
+  permissionCallback onPermissionEvent;
 } state;
 
 static bool pico_init(float supersample, float offset, uint32_t msaa) {
@@ -419,7 +419,7 @@ void lovrPlatformRequestPermission(Permission permission) {
   // todo
 }
 
-void lovrPlatformOnPermissionEvent(permissionsCallback callback) {
+void lovrPlatformOnPermissionEvent(permissionCallback callback) {
   state.onPermissionEvent = callback;
 }