1 files changed, 73 insertions, 0 deletions
diff --git a/mpeglib/lib/util/mmx/mmx.c b/mpeglib/lib/util/mmx/mmx.c
new file mode 100644
index 00000000..4ac3d6b8
--- /dev/null
+++ b/mpeglib/lib/util/mmx/mmx.c
@@ -0,0 +1,73 @@
+/*
+  wrapper for MMX calls
+  Copyright (C) 2000  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+#include "mmx.h"
+
+static int mmSupport=-1;
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if defined(MMX_SUPPORT) || defined(INTEL)
+#define HAVE_ACCEL
+#endif
+
+
+#ifndef HAVE_ACCEL
+int emms() {
+  printf("urgs! emms() never should happen\n");
+  exit(0);
+}
+  
+int mm_support() {
+  return 0;
+}
+
+#endif
+
+
+#ifdef HAVE_ACCEL
+#include <inttypes.h>
+#include "mm_accel.h"
+
+
+
+
+int emms() {
+  __asm__  ("emms");
+  return 1;
+}
+
+
+int mm_support() {
+
+  int val;
+
+  if (mmSupport == -1) {
+
+    val=mm_accel();
+    if (val & MM_ACCEL_X86_MMX) {
+      mmSupport=1;
+    } else {
+      mmSupport=0;
+    }
+    
+  }
+  /* Return */
+  return(mmSupport);
+}
+
+
+#endif