Port of Duke Nukem 3D

This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.

Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9

1 files changed, 53 insertions, 0 deletions

diff --git a/apps/plugins/sdl/src/audio/dsp/SDL_dspaudio.h b/apps/plugins/sdl/src/audio/dsp/SDL_dspaudio.h
new file mode 100644
index 0000000000..382544f967
--- /dev/null
+++ b/apps/plugins/sdl/src/audio/dsp/SDL_dspaudio.h
@@ -0,0 +1,53 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifndef _SDL_dspaudio_h
+#define _SDL_dspaudio_h
+
+#include "../SDL_sysaudio.h"
+
+/* Hidden "this" pointer for the video functions */
+#define _THIS   SDL_AudioDevice *this
+
+struct SDL_PrivateAudioData {
+        /* The file descriptor for the audio device */
+        int audio_fd;
+
+        /* The parent process id, to detect when application quits */
+        pid_t parent;
+
+        /* Raw mixing buffer */
+        Uint8 *mixbuf;
+        int    mixlen;
+};
+#define FUDGE_TICKS     10      /* The scheduler overhead ticks per frame */
+
+/* Old variable names */
+#define audio_fd                (this->hidden->audio_fd)
+#define parent                  (this->hidden->parent)
+#define mixbuf                  (this->hidden->mixbuf)
+#define mixlen                  (this->hidden->mixlen)
+#define frame_ticks             (this->hidden->frame_ticks)
+#define next_frame              (this->hidden->next_frame)
+
+#endif /* _SDL_dspaudio_h */