From 22ca6060fa5dac9f5743fa63f2a25dd439b87abf Mon Sep 17 00:00:00 2001
From: yohannd1 <mitonanan12@gmail.com>
Date: Sun, 29 Dec 2024 20:25:33 -0300
Subject: [PATCH] ffmpeg export: don't error on windows

the feature is still not implemented, but at least now it compiles with
a message saying it's not yet supported
---
 src/engine/wavOps.cpp     | 11 ++++++++++-
 src/gui/exportOptions.cpp | 11 +++++++++++
 src/subprocess.cpp        |  6 ++++--
 src/subprocess.h          |  2 ++
 4 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/engine/wavOps.cpp b/src/engine/wavOps.cpp
index 11d1162a5b..1325f6761f 100644
--- a/src/engine/wavOps.cpp
+++ b/src/engine/wavOps.cpp
@@ -19,10 +19,13 @@
 
 #include "engine.h"
 #include "../ta-log.h"
-#include "../subprocess.h"
 #include "../stringutils.h"
+#include "../subprocess.h"
+
+#ifndef _WIN32
 #include <fcntl.h>
 #include <unistd.h>
+#endif
 
 #ifdef HAVE_SNDFILE
 #include "sfWrapper.h"
@@ -132,6 +135,7 @@ class SndfileWavWriter {
     }
 };
 
+#ifndef _WIN32
 class ProcWriter {
   private:
     Subprocess* proc;
@@ -192,6 +196,7 @@ class ProcWriter {
       }
     }
 };
+#endif
 
 #ifdef HAVE_SNDFILE
 void DivEngine::runExportThread() {
@@ -295,6 +300,9 @@ void DivEngine::runExportThread() {
         }
         doExport(&wr);
       } else {
+#ifdef _WIN32
+        logE("ffmpeg export is not yet supported");
+#else
         String inputFormatArg=(exportFormat==DIV_EXPORT_FORMAT_S16)?"s16le":"f32le";
 
         // build command vector
@@ -342,6 +350,7 @@ void DivEngine::runExportThread() {
 
         // be sure we closed the write pipe to avoid stalling ffmpeg
         proc.closeStdinPipe(false);
+#endif
       }
 
       logI("exporting done!");
diff --git a/src/gui/exportOptions.cpp b/src/gui/exportOptions.cpp
index c11f0150b8..2c3f2aaa46 100644
--- a/src/gui/exportOptions.cpp
+++ b/src/gui/exportOptions.cpp
@@ -26,6 +26,12 @@
 void FurnaceGUI::drawExportAudio(bool onWindow) {
   exitDisabledTimer=1;
 
+#ifdef _WIN32
+  const bool allowNonWav=false;
+#else
+  const bool allowNonWav=true;
+#endif
+
   const auto formatEF = [](const FurnaceGUIExportFormat& ef) {
     return fmt::sprintf("%s (%s)",_(ef.name),ef.fileExt);
   };
@@ -34,13 +40,18 @@ void FurnaceGUI::drawExportAudio(bool onWindow) {
   if (ImGui::BeginCombo(_("file format"),formatEF(currentFormat).c_str())) {
     for (int i=0; i<EXPORT_FORMAT_COUNT; i++) {
       const FurnaceGUIExportFormat& ef=exportFormats[i];
+      if (!allowNonWav && i>0) ImGui::BeginDisabled();
       if (ImGui::Selectable(formatEF(ef).c_str())) {
         curAudioExportFormat=i;
         audioExportOptions.fileExt=ef.fileExt;
       }
+      if (!allowNonWav && i>0) ImGui::EndDisabled();
     }
     ImGui::EndCombo();
   }
+#ifdef _WIN32
+  ImGui::Text("Note: non-wav file formats are not yet supported on windows. Sorry!");
+#endif
 
   if (curAudioExportFormat>0) {
     ImGui::InputText(_("extra ffmpeg flags"),&audioExportOptions.ffmpegFlags,ImGuiInputTextFlags_UndoRedo);
diff --git a/src/subprocess.cpp b/src/subprocess.cpp
index 67dfa53018..a5d59cd1b7 100644
--- a/src/subprocess.cpp
+++ b/src/subprocess.cpp
@@ -17,11 +17,12 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include <unistd.h>
-#include <sys/wait.h>
 #include "subprocess.h"
 #include "ta-log.h"
 
+#ifndef _WIN32
+#include <unistd.h>
+#include <sys/wait.h>
 #include <poll.h>
 #include <signal.h>
 
@@ -204,3 +205,4 @@ bool Subprocess::waitStdinOrExit() {
     }
   }
 }
+#endif
diff --git a/src/subprocess.h b/src/subprocess.h
index efc50da896..584470a4cb 100644
--- a/src/subprocess.h
+++ b/src/subprocess.h
@@ -22,6 +22,7 @@
 
 #include "ta-utils.h"
 
+#ifndef _WIN32 // TODO: windows impl
 class Subprocess {
   public:
     struct Pipe {
@@ -78,5 +79,6 @@ class Subprocess {
     bool waitForExitCode(int *outCode);
     bool getExitCodeNoWait(int *outCode);
 };
+#endif
 
 #endif