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[fceu.git] / drivers / gp2x / sdl-sound.c

diff --git a/drivers/gp2x/sdl-sound.c b/drivers/gp2x/sdl-sound.c
new file mode 100644 (file)
index 0000000..6693222
--- /dev/null
+++ b/drivers/gp2x/sdl-sound.c
@@ -0,0 +1,140 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2002 Xodnizel
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <linux/soundcard.h>
+
+#include "sdl.h"
+#include "minimal.h"
+
+#define GP2X_SOUND 1
+
+extern void pthread_yield(void);
+extern void FCEUI_FrameSkip(int x);
+
+//extern int dosound;
+extern int soundvol;
+
+// always have this call
+INLINE void gp2x_sound_frame(void *blah, void *buff, int samples)
+ {
+}
+
+
+
+
+
+//static int sexy_in_function=0;
+#define NumSexyBufferBuffers 2
+struct timespec gp2x_sleep_ts;
+int firstentry=1;
+//int firstprint=1;
+struct timeval sleeptimer;
+
+
+
+pthread_t       gp2x_sexy_sound_thread=0;
+int**  SexyBufferBuffers=NULL;
+int    SexyBufferBufferCounts[NumSexyBufferBuffers];
+int  gp2x_sound_inited=0;
+int gp2x_in_sound_thread=0;
+extern unsigned long   gp2x_dev[8];
+
+pthread_cond_t gp2x_sound_cond=PTHREAD_COND_INITIALIZER;
+pthread_mutex_t gp2x_sound_mutex = PTHREAD_MUTEX_INITIALIZER;
+int zzdebug01_entry=0;
+int zzdebug01_wait=0;
+int hasSound=0;
+extern unsigned long fps;
+extern unsigned long avg_fps;
+extern unsigned long ticks;
+
+int throttlecount=0;
+
+void WriteSound(int32 *Buffer, int Count)
+  {
+  write(gp2x_dev[3], Buffer, Count<<1);
+  pthread_yield();
+  SpeedThrottle();
+  }
+
+void* gp2x_write_sound(void* blah)
+  {
+  gp2x_in_sound_thread=1;
+  {
+    if (hasSound)
+  {
+      hasSound=0;
+  }
+    else
+  {
+  }
+
+ }
+  gp2x_in_sound_thread=0;
+  return NULL;
+}
+
+void SilenceSound(int n)
+{
+  soundvol=0;
+}
+
+int InitSound(FCEUGI *gi)
+{
+  Settings.sound=22050;
+  FCEUI_Sound(Settings.sound);
+  gp2x_sound_volume(soundvol, soundvol);
+  printf("InitSound() sound_rate: %d\n", Settings.sound);
+  if(firstentry)
+  {
+      firstentry=0;
+      gp2x_sound_inited=1;
+  }
+  return 1 ;
+}
+
+uint32 GetMaxSound(void)
+{
+ return(4096);
+}
+
+uint32 GetWriteSound(void)
+        {
+ return 1024;
+}
+
+int KillSound(void)
+{
+  FCEUI_Sound(0);
+  gp2x_sound_inited=0;
+
+  return 1;
+}
+
+
+
+