what is going on

scripts/release-win32.sh

@@ -15,7 +15,7 @@ fi
 cd win32build
 
 # TODO: potential Arch-ism?
-i686-w64-mingw32-cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_C_FLAGS="-O2" -DCMAKE_CXX_FLAGS="-O2 -Wall -Wextra -Wno-unused-parameter -Wno-cast-function-type" -DBUILD_SHARED_LIBS=OFF -DSUPPORT_XP=OFF -DWITH_RENDER_DX11=ON .. || exit 1
+i686-w64-mingw32-cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_C_FLAGS="-O2 -march=i686" -DCMAKE_CXX_FLAGS="-O2 -Wall -Wextra -Wno-unused-parameter -Wno-cast-function-type -march=i686" -DBUILD_SHARED_LIBS=OFF -DSUPPORT_XP=OFF -DWITH_RENDER_DX11=ON .. || exit 1
 make -j8 || exit 1
 
 cd ..

src/audio/sdlAudio.cpp

@@ -127,6 +127,7 @@ bool TAAudioSDL::init(TAAudioDesc& request, TAAudioDesc& response) {
   ac.callback=taSDLProcess;
   ac.userdata=this;
 
+  logV("opening audio device...");
   ai=SDL_OpenAudioDevice(request.deviceName.empty()?NULL:request.deviceName.c_str(),0,&ac,&ar,0);
   if (ai==0) {
     logE("could not open audio device: %s",SDL_GetError());
@@ -147,6 +148,8 @@ bool TAAudioSDL::init(TAAudioDesc& request, TAAudioDesc& response) {
   desc.bufsize=ar.samples;
   desc.fragments=1;
 
+  logV("got info: %d channels, %d bufsize",desc.outChans,desc.bufsize);
+
   if (desc.outChans>0) {
     outBufs=new float*[desc.outChans];
     for (int i=0; i<desc.outChans; i++) {

src/engine/engine.cpp

@@ -3216,6 +3216,7 @@ void DivEngine::rescanAudioDevices() {
 
 void DivEngine::initDispatch(bool isRender) {
   BUSY_BEGIN;
+  logV("initializing dispatch...");
   if (isRender) logI("render cores set");
   for (int i=0; i<song.systemLen; i++) {
     disCont[i].init(song.system[i],this,getChannelCount(song.system[i]),got.rate,song.systemFlags[i],isRender);
@@ -3233,6 +3234,7 @@ void DivEngine::initDispatch(bool isRender) {
 
 void DivEngine::quitDispatch() {
   BUSY_BEGIN;
+  logV("terminating dispatch...");
   for (int i=0; i<song.systemLen; i++) {
     disCont[i].quit();
   }
@@ -3338,6 +3340,7 @@ bool DivEngine::initAudioBackend() {
       return false;
   }
 
+  logV("listing audio devices");
   audioDevs=output->listAudioDevices();
 
   want.deviceName=getConfString("audioDevice","");
@@ -3352,8 +3355,10 @@ bool DivEngine::initAudioBackend() {
   if (want.outChans<1) want.outChans=1;
   if (want.outChans>16) want.outChans=16;
 
+  logV("setting callback");
   output->setCallback(process,this);
 
+  logV("calling init");
   if (!output->init(want,got)) {
     logE("error while initializing audio!");
     delete output;
@@ -3362,6 +3367,7 @@ bool DivEngine::initAudioBackend() {
     return false;
   }
 
+  logV("allocating oscBuf...");
   for (int i=0; i<got.outChans; i++) {
     if (oscBuf[i]==NULL) {
       oscBuf[i]=new float[32768];
@@ -3369,6 +3375,7 @@ bool DivEngine::initAudioBackend() {
     memset(oscBuf[i],0,32768*sizeof(float));
   }
 
+  logI("initializing MIDI.");
   if (output->initMidi(false)) {
     midiIns=output->midiIn->listDevices();
     midiOuts=output->midiOut->listDevices();
@@ -3400,6 +3407,7 @@ bool DivEngine::initAudioBackend() {
     }
   }
 
+  logV("initAudioBackend done");
   return true;
 }
 
@@ -3443,6 +3451,13 @@ void DivEngine::preInit() {
   logI("Furnace version " DIV_VERSION ".");
   
   loadConf();
+
+#ifdef HAVE_SDL2
+  String audioDriver=getConfString("sdlAudioDriver","");
+  if (!audioDriver.empty()) {
+    SDL_SetHint("SDL_HINT_AUDIODRIVER",audioDriver.c_str());
+  }
+#endif
 }
 
 bool DivEngine::init() {
@@ -3480,6 +3495,8 @@ bool DivEngine::init() {
     haveAudio=true;
   }
 
+  logV("creating blip_buf");
+
   samp_bb=blip_new(32768);
   if (samp_bb==NULL) {
     logE("not enough memory!");
@@ -3494,6 +3511,8 @@ bool DivEngine::init() {
   metroBuf=new float[8192];
   metroBufLen=8192;
 
+  logV("setting blip rate of samp_bb (%f)",got.rate);
+  
   blip_set_rates(samp_bb,44100,got.rate);
 
   for (int i=0; i<64; i++) {