4 files changed, 15 insertions, 1 deletions
diff --git a/modules/minimp3/SCsub b/modules/minimp3/SCsub
index 20e3165f38..09e84f71e9 100644
--- a/modules/minimp3/SCsub
+++ b/modules/minimp3/SCsub
@@ -13,5 +13,8 @@ if not env.msvc:
 else:
     env_minimp3.Prepend(CPPPATH=[thirdparty_dir])
 
+if not env["minimp3_extra_formats"]:
+    env_minimp3.Append(CPPDEFINES=["MINIMP3_ONLY_MP3"])
+
 # Godot source files
 env_minimp3.add_source_files(env.modules_sources, "*.cpp")
diff --git a/modules/minimp3/audio_stream_mp3.cpp b/modules/minimp3/audio_stream_mp3.cpp
index 6af86a96dc..4efa4d329e 100644
--- a/modules/minimp3/audio_stream_mp3.cpp
+++ b/modules/minimp3/audio_stream_mp3.cpp
@@ -28,7 +28,6 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#define MINIMP3_ONLY_MP3
 #define MINIMP3_FLOAT_OUTPUT
 #define MINIMP3_IMPLEMENTATION
 #define MINIMP3_NO_STDIO
diff --git a/modules/minimp3/config.py b/modules/minimp3/config.py
index e6bdcb2a83..115b376fc8 100644
--- a/modules/minimp3/config.py
+++ b/modules/minimp3/config.py
@@ -2,6 +2,14 @@ def can_build(env, platform):
     return True
 
 
+def get_opts(platform):
+    from SCons.Variables import BoolVariable
+
+    return [
+        BoolVariable("minimp3_extra_formats", "Build minimp3 with MP1/MP2 decoding support", False),
+    ]
+
+
 def configure(env):
     pass
 
diff --git a/modules/minimp3/resource_importer_mp3.cpp b/modules/minimp3/resource_importer_mp3.cpp
index 4e56120ec6..d60b979c3f 100644
--- a/modules/minimp3/resource_importer_mp3.cpp
+++ b/modules/minimp3/resource_importer_mp3.cpp
@@ -47,6 +47,10 @@ String ResourceImporterMP3::get_visible_name() const {
 }
 
 void ResourceImporterMP3::get_recognized_extensions(List<String> *p_extensions) const {
+#ifndef MINIMP3_ONLY_MP3
+	p_extensions->push_back("mp1");
+	p_extensions->push_back("mp2");
+#endif
 	p_extensions->push_back("mp3");
 }