diff --git a/cmake/FlacToOpus.cmake b/cmake/FlacToOpus.cmake
index 426be98..3f66e69 100644
--- a/cmake/FlacToOpus.cmake
+++ b/cmake/FlacToOpus.cmake
@@ -2,7 +2,7 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
 include(AssetCache)
 
 find_program(OPUSENC NAMES opusenc NO_CMAKE_FIND_ROOT_PATH)
-if(OPUSENC)
+if(OPUSENC AND DATADIR)
   file(GLOB_RECURSE FLAC_FILES RELATIVE ${DATADIR} ${DATADIR}/*.flac)
   message(STATUS "FlacToOpus engaging... (using ${OPUSENC})")
   foreach(file IN LISTS FLAC_FILES)
@@ -23,6 +23,10 @@ if(OPUSENC)
       endif()
     endif()
   endforeach(file)
-else(OPUSENC)
-  message(WARNING "FlacToOpus: can't find opusenc!")
-endif(OPUSENC)
+else(OPUSENC AND DATADIR)
+  if(NOT OPUSENC)
+    message(WARNING "FlacToOpus: can't find opusenc!")
+  else()
+    message(WARNING "FlacToOpus: no DATADIR specified!")
+  endif()
+endif(OPUSENC AND DATADIR)
diff --git a/cmake/FlacToOgg.cmake b/cmake/FlacToVorbis.cmake
similarity index 78%
rename from cmake/FlacToOgg.cmake
rename to cmake/FlacToVorbis.cmake
index 593d476..157eddc 100644
--- a/cmake/FlacToOgg.cmake
+++ b/cmake/FlacToVorbis.cmake
@@ -2,9 +2,9 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
 include(AssetCache)
 
 find_program(OGGENC NAMES oggenc NO_CMAKE_FIND_ROOT_PATH)
-if(OGGENC)
+if(OGGENC AND DATADIR)
   file(GLOB_RECURSE FLAC_FILES RELATIVE ${DATADIR} ${DATADIR}/*.flac)
-  message(STATUS "FlacToOgg engaging... (using ${OGGENC})")
+  message(STATUS "FlacToVorbis engaging... (using ${OGGENC})")
   foreach(file IN LISTS FLAC_FILES)
     message(STATUS ${file})
     string(REGEX REPLACE "^(.+)(\\.[^.]+)$" "\\1" filename ${file})
@@ -23,6 +23,10 @@ if(OGGENC)
       endif()
     endif()
   endforeach(file)
-else(OGGENC)
-  message(WARNING "FlacToOgg: can't find oggenc!")
-endif(OGGENC)
+else(OGGENC AND DATADIR)
+  if(NOT OGGENC)
+    message(WARNING "FlacToVorbis: can't find oggenc!")
+  else()
+    message(WARNING "FlacToVorbis: no DATADIR specified!")
+  endif()
+endif(OGGENC AND DATADIR)
diff --git a/cmake/ImgToWebp.cmake b/cmake/ImgToWebp.cmake
index 289043e..8d76ea1 100644
--- a/cmake/ImgToWebp.cmake
+++ b/cmake/ImgToWebp.cmake
@@ -2,7 +2,7 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
 include(AssetCache)
 
 find_program(CONVERT NAMES convert NO_CMAKE_FIND_ROOT_PATH)
-if(CONVERT)
+if(CONVERT AND DATADIR)
   file(GLOB_RECURSE IMAGE_FILES RELATIVE ${DATADIR} ${DATADIR}/*.png ${DATADIR}/*.jpg ${DATADIR}/*.JPG ${DATADIR}/*.webp)
   message(STATUS "ImgToWebp engaging... (using ${CONVERT})")
   foreach(file IN LISTS IMAGE_FILES)
@@ -37,6 +37,10 @@ if(CONVERT)
       endif()
     endif()
   endforeach(file)
-else(CONVERT)
-  message(WARNING "ImgToWebp: can't find convert!")
-endif(CONVERT)
+else(CONVERT AND DATADIR)
+  if(NOT CONVERT)
+    message(WARNING "ImgToWebp: can't find convert!")
+  else()
+    message(WARNING "ImgToWebp: no DATADIR specified!")
+  endif()
+endif(CONVERT AND DATADIR)
diff --git a/cmake/libsuperderpy.cmake b/cmake/libsuperderpy.cmake
index 335ee07..da31633 100644
--- a/cmake/libsuperderpy.cmake
+++ b/cmake/libsuperderpy.cmake
@@ -323,22 +323,55 @@ if (NOT LIBSUPERDERPY_CONFIG_INCLUDED)
 		set(LIBSUPERDERPY_APPID "net.dosowisko.${LIBSUPERDERPY_GAMENAME}")
 	endif(NOT DEFINED LIBSUPERDERPY_APPID)
 
+	if (ANDROID)
+		set(ASSET_PIPELINE_DATADIR "${CMAKE_BINARY_DIR}/android/app/src/main/assets/data")
+		set(ASSET_PIPELINE_DEPEND "")
+	else (EMSCRIPTEN)
+		set(ASSET_PIPELINE_DATADIR "${CMAKE_INSTALL_PREFIX}/share/${LIBSUPERDERPY_GAMENAME}/data")
+		set(ASSET_PIPELINE_DEPEND ${LIBSUPERDERPY_GAMENAME}_install)
+	endif()
+
+	set(FLACTOLOSSY_DEFAULT OFF)
+	set(FLACTOLOSSY_FORMAT_DEFAULT "Opus")
+	set(IMGTOWEBP_DEFAULT OFF)
+
 	if (ANDROID OR EMSCRIPTEN)
-		if (ANDROID)
-			set(ASSET_PIPELINE_DATADIR "${CMAKE_BINARY_DIR}/android/app/src/main/assets/data")
-			set(ASSET_PIPELINE_DEPEND "")
-		else (EMSCRIPTEN)
-			set(ASSET_PIPELINE_DATADIR "${CMAKE_INSTALL_PREFIX}/share/${LIBSUPERDERPY_GAMENAME}/data")
-			set(ASSET_PIPELINE_DEPEND ${LIBSUPERDERPY_GAMENAME}_install)
-		endif()
+		set(FLACTOLOSSY_DEFAULT ON)
+		set(IMGTOWEBP_DEFAULT ON)
+	endif()
 
-		set(FLACTOOPUS_BITRATE "192" CACHE STRING "Bitrate of resulting Opus files (kbps)")
+	if (MAEMO5)
+		set(FLACTOLOSSY_DEFAULT ON)
+		set(FLACTOLOSSY_FORMAT_DEFAULT "Vorbis")
+	endif()
 
-		add_custom_target(${LIBSUPERDERPY_GAMENAME}_flac_to_opus
-			DEPENDS ${ASSET_PIPELINE_DEPEND}
-			COMMAND ${CMAKE_COMMAND} -DDATADIR=${ASSET_PIPELINE_DATADIR} -DCACHE="${CMAKE_SOURCE_DIR}/.assetcache" -DBITRATE=${FLACTOOPUS_BITRATE} -P ${LIBSUPERDERPY_DIR}/cmake/FlacToOpus.cmake
-			USES_TERMINAL)
+	if (ANDROID OR EMSCRIPTEN)
+		# restrict to Android or Emscripten for now, because only those platforms have ASSET_PIPELINE_DATADIR at this moment
 
+		option(FLACTOLOSSY "Compress FLAC audio assets to lossy format" ${FLACTOLOSSY_DEFAULT})
+		set(FLACTOLOSSY_BITRATE "192" CACHE STRING "Bitrate of resulting Vorbis/Opus files (kbps)")
+		set(FLACTOLOSSY_SAMPLERATE "48000" CACHE STRING "Sample rate of resulting Vorbis files (does not apply to Opus) (Hz)")
+		set(FLACTOLOSSY_FORMAT ${FLACTOLOSSY_FORMAT_DEFAULT} CACHE STRING "Lossy codec to use when encoding audio files")
+		set_property(CACHE FLACTOLOSSY_FORMAT PROPERTY STRINGS "Opus;Vorbis")
+
+		if (FLACTOLOSSY)
+			if (${FLACTOLOSSY_FORMAT} STREQUAL "Vorbis")
+				add_definitions(-DLIBSUPERDERPY_FLACTOLOSSY_EXT="ogg")
+			else()
+				add_definitions(-DLIBSUPERDERPY_FLACTOLOSSY_EXT="opus")
+			endif()
+
+			add_custom_target(${LIBSUPERDERPY_GAMENAME}_flac_to_lossy
+				DEPENDS ${ASSET_PIPELINE_DEPEND}
+				COMMAND ${CMAKE_COMMAND} -DDATADIR=${ASSET_PIPELINE_DATADIR} -DCACHE="${CMAKE_SOURCE_DIR}/.assetcache" -DBITRATE=${FLACTOLOSSY_BITRATE} -DSAMPLERATE=${FLACTOLOSSY_SAMPLERATE} -P ${LIBSUPERDERPY_DIR}/cmake/FlacTo${FLACTOLOSSY_FORMAT}.cmake
+				USES_TERMINAL)
+
+		else(FLACTOLOSSY)
+			add_custom_target(${LIBSUPERDERPY_GAMENAME}_flac_to_lossy
+				DEPENDS ${ASSET_PIPELINE_DEPEND})
+		endif(FLACTOLOSSY)
+
+		option(IMGTOWEBP "Compress image assets to WebP format" ${IMGTOWEBP_DEFAULT})
 		option(IMGTOWEBP_LOSSLESS "Use lossless WebP compression" OFF)
 		if(IMGTOWEBP_LOSSLESS)
 			set(IMGTOWEBP_QUALITY "100" CACHE STRING "Quality of resulting WebP files")
@@ -348,12 +381,18 @@ if (NOT LIBSUPERDERPY_CONFIG_INCLUDED)
 		set(IMGTOWEBP_RESIZE "" CACHE STRING "Value passed as -resize to ImageMagick (no resizing when empty)")
 		set(IMGTOWEBP_PARAMS "" CACHE STRING "Additional ImageMagick parameters")
 
-		add_custom_target(${LIBSUPERDERPY_GAMENAME}_img_to_webp
-			DEPENDS ${ASSET_PIPELINE_DEPEND}
-			COMMAND ${CMAKE_COMMAND} -DQUALITY="${IMGTOWEBP_QUALITY}" -DRESIZE="${IMGTOWEBP_RESIZE}" -DPARAMS="${IMGTOWEBP_PARAMS}" -DCACHE="${CMAKE_SOURCE_DIR}/.assetcache" -DLOSSLESS="${IMGTOWEBP_LOSSLESS}" -DDATADIR=${ASSET_PIPELINE_DATADIR} -P ${LIBSUPERDERPY_DIR}/cmake/ImgToWebp.cmake
-			USES_TERMINAL)
+		if(IMGTOWEBP)
+			add_custom_target(${LIBSUPERDERPY_GAMENAME}_img_to_webp
+				DEPENDS ${ASSET_PIPELINE_DEPEND}
+				COMMAND ${CMAKE_COMMAND} -DQUALITY="${IMGTOWEBP_QUALITY}" -DRESIZE="${IMGTOWEBP_RESIZE}" -DPARAMS="${IMGTOWEBP_PARAMS}" -DCACHE="${CMAKE_SOURCE_DIR}/.assetcache" -DLOSSLESS="${IMGTOWEBP_LOSSLESS}" -DDATADIR=${ASSET_PIPELINE_DATADIR} -P ${LIBSUPERDERPY_DIR}/cmake/ImgToWebp.cmake
+				USES_TERMINAL)
+			add_definitions(-DLIBSUPERDERPY_IMGTOWEBP)
+		else(IMGTOWEBP)
+			add_custom_target(${LIBSUPERDERPY_GAMENAME}_img_to_webp
+				DEPENDS ${ASSET_PIPELINE_DEPEND})
+		endif(IMGTOWEBP)
 
-	endif(ANDROID OR EMSCRIPTEN)
+	endif (ANDROID OR EMSCRIPTEN)
 
 	MACRO(add_libsuperderpy_target EXECUTABLE_SRC_LIST)
 		if(ANDROID)
@@ -363,7 +402,7 @@ if (NOT LIBSUPERDERPY_CONFIG_INCLUDED)
 			set(APK_PATH ${CMAKE_BINARY_DIR}/android/bin/${LIBSUPERDERPY_GAMENAME}-debug.apk)
 
 			add_custom_target(${LIBSUPERDERPY_GAMENAME}_apk ALL
-				DEPENDS ${EXECUTABLE} ${LIBSUPERDERPY_GAMENAME}_flac_to_opus ${LIBSUPERDERPY_GAMENAME}_img_to_webp
+				DEPENDS ${EXECUTABLE} ${LIBSUPERDERPY_GAMENAME}_flac_to_lossy ${LIBSUPERDERPY_GAMENAME}_img_to_webp
 				BYPRODUCTS ${APK_PATH}
 				WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/android"
 				COMMAND ./gradlew assembleDebug
@@ -406,7 +445,7 @@ if (NOT LIBSUPERDERPY_CONFIG_INCLUDED)
 			endif()
 
 			add_custom_target(${LIBSUPERDERPY_GAMENAME}_js
-				DEPENDS ${LIBSUPERDERPY_GAMENAME}_install ${LIBSUPERDERPY_GAMENAME}_flac_to_opus ${LIBSUPERDERPY_GAMENAME}_img_to_webp ${CMAKE_BINARY_DIR}/emscripten-imports.json
+				DEPENDS ${LIBSUPERDERPY_GAMENAME}_install ${LIBSUPERDERPY_GAMENAME}_flac_to_lossy ${LIBSUPERDERPY_GAMENAME}_img_to_webp ${CMAKE_BINARY_DIR}/emscripten-imports.json
 				WORKING_DIRECTORY "${CMAKE_INSTALL_PREFIX}/${LIBSUPERDERPY_GAMENAME}"
 				COMMAND "${CMAKE_C_COMPILER}" ${CFLAGS_LIST} ../bin/${LIBSUPERDERPY_GAMENAME}${CMAKE_EXECUTABLE_SUFFIX} ../lib/libsuperderpy${CMAKE_SHARED_LIBRARY_SUFFIX} ../lib/lib${LIBSUPERDERPY_GAMENAME}${CMAKE_SHARED_LIBRARY_SUFFIX} ${ALLEGRO5_LIBS} ${EMSCRIPTEN_FLAGS} -o ${LIBSUPERDERPY_GAMENAME}.html --pre-js ${LIBSUPERDERPY_DIR}/src/emscripten-pre-js.js --preload-file ../share/${LIBSUPERDERPY_GAMENAME}/data --preload-file gamestates@/
 				USES_TERMINAL
diff --git a/src/utils.c b/src/utils.c
index d70cda1..9975b79 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -404,74 +404,80 @@ SYMBOL_EXPORT const char* FindDataFilePath(struct Game* game, const char* filena
 	}
 #endif
 
-#if (defined __EMSCRIPTEN__) || (defined ALLEGRO_ANDROID)
-	char* file = AddGarbage(game, strdup(filename));
-	char* sub = strstr(file, ".flac");
-	if (sub) {
-		sub[0] = '.';
-		sub[1] = 'o';
-		sub[2] = 'p';
-		sub[3] = 'u';
-		sub[4] = 's';
-		sub[5] = 0;
-	}
-	result = TestDataFilePath(game, file);
-	if (result) {
-		return AddGarbage(game, result);
+#ifdef LIBSUPERDERPY_FLACTOLOSSY_EXT
+	{
+		char* file = AddGarbage(game, strdup(filename));
+		char* sub = strstr(file, ".flac");
+		if (sub) {
+			sub[0] = '.';
+			sub[1] = LIBSUPERDERPY_FLACTOLOSSY_EXT[0];
+			sub[2] = LIBSUPERDERPY_FLACTOLOSSY_EXT[1];
+			sub[3] = LIBSUPERDERPY_FLACTOLOSSY_EXT[2];
+			sub[4] = LIBSUPERDERPY_FLACTOLOSSY_EXT[3];
+			sub[5] = 0;
+		}
+		result = TestDataFilePath(game, file);
+		if (result) {
+			return AddGarbage(game, result);
+		}
 	}
+#endif
 
-	sub = strstr(file, ".png");
-	if (sub) {
-		sub[0] = '.';
-		sub[1] = 'w';
-		sub[2] = 'b';
-		sub[3] = 'p';
-		sub[4] = 0;
-	}
-	result = TestDataFilePath(game, file);
-	if (result) {
-		return AddGarbage(game, result);
-	}
+#ifdef LIBSUPERDERPY_IMGTOWEBP
+	{
+		char* file = AddGarbage(game, strdup(filename));
+		char* sub = strstr(file, ".png");
+		if (sub) {
+			sub[0] = '.';
+			sub[1] = 'w';
+			sub[2] = 'b';
+			sub[3] = 'p';
+			sub[4] = 0;
+		}
+		result = TestDataFilePath(game, file);
+		if (result) {
+			return AddGarbage(game, result);
+		}
 
-	sub = strstr(file, ".jpg");
-	if (sub) {
-		sub[0] = '.';
-		sub[1] = 'w';
-		sub[2] = 'b';
-		sub[3] = 'p';
-		sub[4] = 0;
-	}
-	result = TestDataFilePath(game, file);
-	if (result) {
-		return AddGarbage(game, result);
-	}
+		sub = strstr(file, ".jpg");
+		if (sub) {
+			sub[0] = '.';
+			sub[1] = 'w';
+			sub[2] = 'b';
+			sub[3] = 'p';
+			sub[4] = 0;
+		}
+		result = TestDataFilePath(game, file);
+		if (result) {
+			return AddGarbage(game, result);
+		}
 
-	sub = strstr(file, ".JPG");
-	if (sub) {
-		sub[0] = '.';
-		sub[1] = 'w';
-		sub[2] = 'b';
-		sub[3] = 'p';
-		sub[4] = 0;
-	}
-	result = TestDataFilePath(game, file);
-	if (result) {
-		return AddGarbage(game, result);
-	}
+		sub = strstr(file, ".JPG");
+		if (sub) {
+			sub[0] = '.';
+			sub[1] = 'w';
+			sub[2] = 'b';
+			sub[3] = 'p';
+			sub[4] = 0;
+		}
+		result = TestDataFilePath(game, file);
+		if (result) {
+			return AddGarbage(game, result);
+		}
 
-	sub = strstr(file, ".webp");
-	if (sub) {
-		sub[0] = '.';
-		sub[1] = 'w';
-		sub[2] = 'b';
-		sub[3] = 'p';
-		sub[4] = 0;
+		sub = strstr(file, ".webp");
+		if (sub) {
+			sub[0] = '.';
+			sub[1] = 'w';
+			sub[2] = 'b';
+			sub[3] = 'p';
+			sub[4] = 0;
+		}
+		result = TestDataFilePath(game, file);
+		if (result) {
+			return AddGarbage(game, result);
+		}
 	}
-	result = TestDataFilePath(game, file);
-	if (result) {
-		return AddGarbage(game, result);
-	}
-
 #endif
 
 	result = TestDataFilePath(game, filename);