(360 Libxenon) Initial xenon 360 audio driver

Makefile.xenon

@@ -5,7 +5,7 @@
 ###
 ##
 
-DEBUG = 0
+DEBUG = 1
 
 CC = xenon-gcc
 CXX = xenon-g++

config.def.h

@@ -184,7 +184,7 @@ static const float refresh_rate = 59.95;
 ////////////////
 
 // Will enable audio or not.
-static const bool audio_enable = true;
+static const bool audio_enable = false;
 
 // Output samplerate
 static const unsigned out_rate = 48000; 

xenon/xenon360_audio.c

@@ -0,0 +1,96 @@
+/*  SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES 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 Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES 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 SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../driver.h"
+#include <stdlib.h>
+#include "../general.h"
+
+#include <xenon_sound/sound.h>
+
+#define SOUND_FREQUENCY 48000
+#define SOUND_SAMPLES_SIZE 2048
+
+typedef struct
+{
+   bool nonblock;
+} xenon360_audio_t;
+
+static void *xenon360_init(const char *device, unsigned rate, unsigned latency)
+{
+   xenon_sound_init();
+}
+
+static ssize_t xenon360_write(void *data, const void *buf, size_t size)
+{
+   xenon360_audio_t *xa = data;
+   #if 0
+   if (xa->nonblock)
+   {
+      size_t avail = xaudio2_write_avail(xa->xa);
+      if (avail == 0)
+         return 0;
+      if (avail < size)
+         size = avail;
+   }
+   #endif
+
+   xenon_sound_submit(buf, size);
+   return 0;
+}
+
+static bool xenon360_stop(void *data)
+{
+   (void)data;
+   return true;
+}
+
+static void xenon360_set_nonblock_state(void *data, bool state)
+{
+   xenon360_audio_t *xa = data;
+   xa->nonblock = state;
+}
+
+static bool xenon360_start(void *data)
+{
+   (void)data;
+   return true;
+}
+
+static bool xenon360_use_float(void *data)
+{
+   (void)data;
+   return true;
+}
+
+static void xenon360_free(void *data)
+{
+   xenon360_audio_t *xa = data;
+   if (xa)
+      free(xa);
+}
+
+const audio_driver_t audio_xa = {
+   .init = xenon360_init,
+   .write = xenon360_write,
+   .stop = xenon360_stop,
+   .start = xenon360_start,
+   .set_nonblock_state = xenon360_set_nonblock_state,
+   .use_float = xenon360_use_float,
+   .free = xenon360_free,
+   .ident = "xenon360"
+};
+