-#define SND_CTRL_NONE (0)
-#define SND_CTRL_MUSIC (1 << 0)
-#define SND_CTRL_LOOP (1 << 1)
-#define SND_CTRL_FADE (1 << 2)
-#define SND_CTRL_STOP (1 << 3)
-#define SND_CTRL_ALL_SOUNDS (1 << 4)
-#define SND_CTRL_RELOAD_SOUNDS (1 << 5)
-#define SND_CTRL_RELOAD_MUSIC (1 << 6)
-
-#define SND_CTRL_PLAY_SOUND (SND_CTRL_NONE)
-#define SND_CTRL_PLAY_LOOP (SND_CTRL_LOOP)
-#define SND_CTRL_PLAY_MUSIC (SND_CTRL_LOOP | SND_CTRL_MUSIC)
-
-#define SND_CTRL_FADE_SOUND (SND_CTRL_FADE)
-#define SND_CTRL_FADE_MUSIC (SND_CTRL_FADE | SND_CTRL_MUSIC)
-#define SND_CTRL_FADE_ALL (SND_CTRL_FADE | SND_CTRL_ALL_SOUNDS)
-
-#define SND_CTRL_STOP_SOUND (SND_CTRL_STOP)
-#define SND_CTRL_STOP_MUSIC (SND_CTRL_STOP | SND_CTRL_MUSIC)
-#define SND_CTRL_STOP_ALL (SND_CTRL_STOP | SND_CTRL_ALL_SOUNDS)
-
-#define IS_MUSIC(x) ((x).state & SND_CTRL_MUSIC)
-#define IS_LOOP(x) ((x).state & SND_CTRL_LOOP)
-#define IS_FADING(x) ((x).state & SND_CTRL_FADE)
-#define IS_STOPPING(x) ((x).state & SND_CTRL_STOP)
-#define IS_RELOADING(x) ((x).state & (SND_CTRL_RELOAD_SOUNDS | \
- SND_CTRL_RELOAD_MUSIC))
-#define ALL_SOUNDS(x) ((x).state & SND_CTRL_ALL_SOUNDS)
-
-
-#if !defined(TARGET_ALLEGRO)
-
-#define PSND_SILENCE 0
-#define PSND_MAX_VOLUME_BITS 15
-#define PSND_MIN_VOLUME 0
-#define PSND_MAX_VOLUME (1 << PSND_MAX_VOLUME_BITS)
-#define PSND_MIDDLE 0
-#define PSND_MAX_STEREO_BITS 7
-#define PSND_MAX_STEREO (1 << PSND_MAX_STEREO_BITS)
-#define PSND_MAX_LEFT (-PSND_MAX_STEREO)
-#define PSND_MAX_RIGHT (+PSND_MAX_STEREO)
-#define PSND_MAX_LEFT2RIGHT_BITS (PSND_MAX_STEREO_BITS+1)
-#define PSND_MAX_LEFT2RIGHT (1 << PSND_MAX_LEFT2RIGHT_BITS)
-
-#else /* TARGET_ALLEGRO */
-
-#define PSND_SILENCE 0
-#define PSND_MIN_VOLUME 0
-#define PSND_MAX_VOLUME 255
-#define PSND_MAX_LEFT 0
-#define PSND_MAX_RIGHT 255
-#define PSND_MIDDLE 128
-
-#endif
-
-/* value for undefined sound effect filename */
-#define SND_FILE_UNDEFINED "NONE"
-
-
-struct SoundEffectInfo
-{
- char *text;
- char *default_filename;
- char *filename;
-};
+#define SND_CTRL_NONE (0)
+#define SND_CTRL_MUSIC (1 << 0)
+#define SND_CTRL_LOOP (1 << 1)
+#define SND_CTRL_FADE (1 << 2)
+#define SND_CTRL_STOP (1 << 3)
+#define SND_CTRL_ALL_SOUNDS (1 << 4)
+#define SND_CTRL_RELOAD_SOUNDS (1 << 5)
+#define SND_CTRL_RELOAD_MUSIC (1 << 6)
+#define SND_CTRL_EXPIRE_LOOPS (1 << 7)
+
+#define SND_CTRL_PLAY_SOUND (SND_CTRL_NONE)
+#define SND_CTRL_PLAY_LOOP (SND_CTRL_LOOP)
+#define SND_CTRL_PLAY_MUSIC (SND_CTRL_LOOP | SND_CTRL_MUSIC)
+
+#define SND_CTRL_FADE_SOUND (SND_CTRL_FADE)
+#define SND_CTRL_FADE_MUSIC (SND_CTRL_FADE | SND_CTRL_MUSIC)
+#define SND_CTRL_FADE_ALL (SND_CTRL_FADE | SND_CTRL_ALL_SOUNDS)
+
+#define SND_CTRL_STOP_SOUND (SND_CTRL_STOP)
+#define SND_CTRL_STOP_MUSIC (SND_CTRL_STOP | SND_CTRL_MUSIC)
+#define SND_CTRL_STOP_ALL (SND_CTRL_STOP | SND_CTRL_ALL_SOUNDS)
+
+#define IS_MUSIC(x) ((x).state & SND_CTRL_MUSIC)
+#define IS_LOOP(x) ((x).state & SND_CTRL_LOOP)
+#define IS_FADING(x) ((x).state & SND_CTRL_FADE)
+#define IS_STOPPING(x) ((x).state & SND_CTRL_STOP)
+#define IS_RELOADING(x) ((x).state & (SND_CTRL_RELOAD_SOUNDS |\
+ SND_CTRL_RELOAD_MUSIC))
+#define ALL_SOUNDS(x) ((x).state & SND_CTRL_ALL_SOUNDS)
+#define SET_EXPIRE_LOOPS(x) ((x).state & SND_CTRL_EXPIRE_LOOPS)
+
+#define MAP_NOCONF_MUSIC(x) (-((x) + 1))
+#define UNMAP_NOCONF_MUSIC(x) MAP_NOCONF_MUSIC(x)
+
+
+#define SOUND_MIN_VOLUME 0
+#define SOUND_MAX_VOLUME SDL_MIX_MAXVOLUME
+
+#define SOUND_MAX_LEFT 0
+#define SOUND_MAX_RIGHT 255
+#define SOUND_MAX_LEFT2RIGHT 255
+#define SOUND_MIDDLE (SOUND_MAX_LEFT2RIGHT / 2)