Initial checkin of veejay 1.4

git-svn-id: svn://code.dyne.org/veejay/trunk@1172 eb8d1916-c9e9-0310-b8de-cf0c9472ead5

veejay-current/veejay-server/libyuv/mmx_macros.h

@@ -0,0 +1,46 @@
+#include <stdlib.h> /* size_t */
+#include <config.h>
+
+/* MMX memcpy stuff taken from MPlayer (http://www.mplayerhq.hu) */
+
+#define BLOCK_SIZE 4096
+#define CONFUSION_FACTOR 0
+//Feel free to fine-tune the above 2, it might be possible to get some speedup with them :)
+
+#undef HAVE_MMX1
+#ifndef MMXEXT
+/*  means: mmx v.1. Note: Since we added alignment of destinition it speedups
+    of memory copying on PentMMX, Celeron-1 and P2 upto 12% versus
+    standard (non MMX-optimized) version.
+    Note: on K6-2+ it speedups memory copying upto 25% and
+          on K7 and P3 about 500% (5 times). */
+#define HAVE_MMX1
+#endif
+
+#undef MMREG_SIZE
+#define MMREG_SIZE 64 //8
+
+#undef PREFETCH
+#undef EMMS
+
+#ifdef MMXEXT
+#define PREFETCH "prefetchnta"
+#else
+#define PREFETCH "/nop"
+#endif
+
+#define EMMS     "emms"
+
+#undef MOVNTQ
+#ifdef MMXEXT
+#define MOVNTQ "movntq"
+#else
+#define MOVNTQ "movq"
+#endif
+
+#undef MIN_LEN
+#ifdef HAVE_MMX1
+#define MIN_LEN 0x800  /* 2K blocks */
+#else
+#define MIN_LEN 0x40  /* 64-byte blocks */
+#endif