From af6eb35f2dfdc4f1e28f661b9912a9143b8b1037 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Thu, 23 Oct 2025 19:02:19 -0500
Subject: [PATCH] detect MP3/Ogg support at runtime

---
 src/gui/exportOptions.cpp | 28 ++++++++++++++--------------
 src/gui/gui.cpp           |  4 ++++
 src/gui/gui.h             |  1 +
 3 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/src/gui/exportOptions.cpp b/src/gui/exportOptions.cpp
index bbeba44b2..759111d9c 100644
--- a/src/gui/exportOptions.cpp
+++ b/src/gui/exportOptions.cpp
@@ -50,22 +50,22 @@ void FurnaceGUI::drawExportAudio(bool onWindow) {
     if (ImGui::RadioButton(_("Wave (32-bit float)"),audioExportOptions.format==DIV_EXPORT_FORMAT_F32)) {
       audioExportOptions.format=DIV_EXPORT_FORMAT_F32;
     }
-#ifdef HAVE_OGG
-    if (ImGui::RadioButton(_("Opus (lossy compression)"),audioExportOptions.format==DIV_EXPORT_FORMAT_OPUS)) {
-      audioExportOptions.format=DIV_EXPORT_FORMAT_OPUS;
+    if (supportsOgg) {
+      if (ImGui::RadioButton(_("Opus"),audioExportOptions.format==DIV_EXPORT_FORMAT_OPUS)) {
+        audioExportOptions.format=DIV_EXPORT_FORMAT_OPUS;
+      }
+      if (ImGui::RadioButton(_("FLAC (Free Lossless Audio Codec)"),audioExportOptions.format==DIV_EXPORT_FORMAT_FLAC)) {
+        audioExportOptions.format=DIV_EXPORT_FORMAT_FLAC;
+      }
+      if (ImGui::RadioButton(_("Vorbis"),audioExportOptions.format==DIV_EXPORT_FORMAT_VORBIS)) {
+        audioExportOptions.format=DIV_EXPORT_FORMAT_VORBIS;
+      }
     }
-    if (ImGui::RadioButton(_("FLAC (Free Lossless Audio Codec)"),audioExportOptions.format==DIV_EXPORT_FORMAT_FLAC)) {
-      audioExportOptions.format=DIV_EXPORT_FORMAT_FLAC;
+    if (supportsMP3) {
+      if (ImGui::RadioButton(_("MP3"),audioExportOptions.format==DIV_EXPORT_FORMAT_MPEG_L3)) {
+        audioExportOptions.format=DIV_EXPORT_FORMAT_MPEG_L3;
+      }
     }
-    if (ImGui::RadioButton(_("Vorbis (lossy compression)"),audioExportOptions.format==DIV_EXPORT_FORMAT_VORBIS)) {
-      audioExportOptions.format=DIV_EXPORT_FORMAT_VORBIS;
-    }
-#endif
-#ifdef HAVE_MP3_EXPORT
-    if (ImGui::RadioButton(_("MP3 (lossy compression)"),audioExportOptions.format==DIV_EXPORT_FORMAT_MPEG_L3)) {
-      audioExportOptions.format=DIV_EXPORT_FORMAT_MPEG_L3;
-    }
-#endif
     ImGui::Unindent();
   }
 
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 5f61529c6..a523bb3c8 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -8086,10 +8086,12 @@ bool FurnaceGUI::init() {
 
     // special treatment for Ogg and MPEG
     if (strcmp(f.extension,"oga")==0) {
+      supportsOgg=true;
       audioLoadFormats.push_back(f.name);
       audioLoadFormats.push_back("*.ogg *.oga *.opus");
       compatFormats+="*.ogg *.oga *.opus ";
     } else if (strcmp(f.extension,"m1a")==0) {
+      supportsMP3=true;
       audioLoadFormats.push_back(f.name);
       audioLoadFormats.push_back("*.m1a *.mp1 *.mp2 *.mp3");
       compatFormats+="*.m1a *.mp1 *.mp2 *.mp3 ";
@@ -8846,6 +8848,8 @@ FurnaceGUI::FurnaceGUI():
   queryReplaceInsDo(false),
   queryReplaceVolDo(false),
   queryViewingResults(false),
+  supportsOgg(false),
+  supportsMP3(false),
   wavePreviewOn(false),
   wavePreviewKey((SDL_Scancode)0),
   wavePreviewNote(0),
diff --git a/src/gui/gui.h b/src/gui/gui.h
index 6d2c51fdf..6aaaf741e 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -2494,6 +2494,7 @@ class FurnaceGUI {
   std::vector<FurnaceGUISysCategory> sysCategories;
 
   std::vector<String> audioLoadFormats;
+  bool supportsOgg, supportsMP3;
 
   bool wavePreviewOn;
   SDL_Scancode wavePreviewKey;