Implement DMA push method for sound.

main.cpp

@@ -30,6 +30,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #include "ppcemu.h"
 #include "debugger/debugger.h"
 #include "machines/machinefactory.h"
+#include "SDL.h"
 
 using namespace std;
 
@@ -71,6 +72,11 @@ int main(int argc, char **argv)
             goto bail;
         }
 
+        if (SDL_Init(SDL_INIT_AUDIO)){
+            LOG_F(ERROR, "SDL_Init error: %s", SDL_GetError());
+            goto bail;
+        }
+
         if ((checker == "1") || (checker == "realtime") || \
             (checker == "-realtime") || (checker == "/realtime")) {
             ppc_exec();