cli added for debug

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

diff --git a/drivers/cli/sdl-sound.c b/drivers/cli/sdl-sound.c
new file mode 100644 (file)
index 0000000..f8ab865
--- /dev/null
+++ b/drivers/cli/sdl-sound.c
@@ -0,0 +1,148 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2002 Ben Parnell
+ *
+ * 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 "sdl.h"
+
+#ifndef DSPSOUND
+
+//#define BSIZE (32768-1024)
+
+static int32 BSIZE;
+static volatile int16 AudioBuf[32768];
+static volatile uint32 readoffs,writeoffs;
+void fillaudio(void *udata, uint8 *stream, int len)
+{
+ int16 *dest=(int16 *)stream;
+
+ len>>=1;
+ while(len)
+ {
+  *dest=AudioBuf[readoffs];
+  dest++;
+  readoffs=(readoffs+1)&32767;
+  len--;
+ }
+}
+
+void WriteSound(int16 *Buffer, int Count, int NoWaiting)
+{
+ while(Count)
+ {
+  while(writeoffs==((readoffs-BSIZE)&32767))
+   if(NoWaiting)
+    return;
+  AudioBuf[writeoffs]=*Buffer;
+  writeoffs=(writeoffs+1)&32767;
+  Buffer++;
+  Count--;
+ }
+}
+
+int InitSound(void)
+{
+ if(_sound)
+ {
+  SDL_AudioSpec spec;
+
+  if(_lbufsize<_ebufsize)
+  {
+   puts("Ack, lbufsize must not be smaller than ebufsize!");
+   return(0);
+  }
+  if(_lbufsize<6 || _lbufsize>13)
+  {
+   puts("lbufsize out of range");
+   return(0);
+  }
+  if(_ebufsize<5)
+  {
+   puts("ebufsize out of range");
+   return(0);
+  }
+  memset(&spec,0,sizeof(spec));
+  if(SDL_InitSubSystem(SDL_INIT_AUDIO)<0)
+  {
+   puts(SDL_GetError());
+   return(0);
+  }
+  if(_sound==1) _sound=44100;
+  spec.freq=_sound;
+  spec.format=AUDIO_S16;
+  spec.channels=1;
+  spec.samples=1<<_ebufsize;
+  spec.callback=fillaudio;
+  spec.userdata=0;
+
+  if(SDL_OpenAudio(&spec,0)<0)
+  {
+   puts(SDL_GetError());
+   SDL_QuitSubSystem(SDL_INIT_AUDIO);
+   return(0);
+  }
+  FCEUI_Sound(_sound);
+  BSIZE=32768-(1<<_lbufsize);
+  SDL_PauseAudio(0);
+  return(1);
+ }
+ return(0);
+}
+
+void SilenceSound(int n)
+{
+ SDL_PauseAudio(n);
+
+}
+
+void KillSound(void)
+{
+ SDL_CloseAudio();
+ SDL_QuitSubSystem(SDL_INIT_AUDIO);
+}
+
+#else
+#include "../common/unixdsp.h"
+
+void WriteSound(int32 *Buffer, int Count, int NoWaiting)
+{
+  WriteUNIXDSPSound(Buffer, Count, NoWaiting);
+}
+
+int InitSound(void)
+{
+        if(_sound)
+        {
+         int rate;
+         if(_sound==1)
+          _sound=48000;
+         rate=_sound;
+         if(InitUNIXDSPSound(&rate,_f8bit?0:1,8,8))
+         {
+          FCEUI_Sound(rate);
+          return(1);
+         }
+        }
+        return(0);
+}
+void KillSound(void)
+{
+        KillUNIXDSPSound();
+}
+#endif