upload sdk

git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/ffmpeg/libavcodec/x86/hpeldsp_mmx.c

@@ -0,0 +1,52 @@
+/*
+ * MMX-optimized avg/put pixel routines
+ *
+ * Copyright (c) 2001 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "config.h"
+#include "dsputil_x86.h"
+
+#if HAVE_MMX_INLINE
+
+void ff_avg_pixels8_x2_mmx(uint8_t *block, const uint8_t *pixels,
+                           ptrdiff_t line_size, int h)
+{
+    MOVQ_BFE(mm6);
+    JUMPALIGN();
+    do {
+        __asm__ volatile(
+            "movq  %1, %%mm0            \n\t"
+            "movq  1%1, %%mm1           \n\t"
+            "movq  %0, %%mm3            \n\t"
+            PAVGB_MMX(%%mm0, %%mm1, %%mm2, %%mm6)
+            PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6)
+            "movq  %%mm0, %0            \n\t"
+            :"+m"(*block)
+            :"m"(*pixels)
+            :"memory");
+        pixels += line_size;
+        block += line_size;
+    } while (--h);
+}
+
+#endif /* HAVE_MMX_INLINE */