1 files changed, 99 insertions, 0 deletions
diff --git a/libavfilter/libmpcodecs/libvo/fastmemcpy.h b/libavfilter/libmpcodecs/libvo/fastmemcpy.h
new file mode 100644
index 0000000000..5a17d0192a
--- /dev/null
+++ b/libavfilter/libmpcodecs/libvo/fastmemcpy.h
@@ -0,0 +1,99 @@
+/*
+ * This file is part of MPlayer.
+ *
+ * MPlayer 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.
+ *
+ * MPlayer 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 MPlayer; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef MPLAYER_FASTMEMCPY_H
+#define MPLAYER_FASTMEMCPY_H
+
+#include <inttypes.h>
+#include <string.h>
+#include <stddef.h>
+
+void * fast_memcpy(void * to, const void * from, size_t len);
+void * mem2agpcpy(void * to, const void * from, size_t len);
+
+#if ! defined(CONFIG_FASTMEMCPY) || ! (HAVE_MMX || HAVE_MMX2 || HAVE_AMD3DNOW /* || HAVE_SSE || HAVE_SSE2 */)
+#define mem2agpcpy(a,b,c) memcpy(a,b,c)
+#define fast_memcpy(a,b,c) memcpy(a,b,c)
+#endif
+
+static inline void * mem2agpcpy_pic(void * dst, const void * src, int bytesPerLine, int height, int dstStride, int srcStride)
+{
+    int i;
+    void *retval=dst;
+
+    if(dstStride == srcStride)
+    {
+        if (srcStride < 0) {
+                src = (const uint8_t*)src + (height-1)*srcStride;
+                dst = (uint8_t*)dst + (height-1)*dstStride;
+                srcStride = -srcStride;
+        }
+
+        mem2agpcpy(dst, src, srcStride*height);
+    }
+    else
+    {
+        for(i=0; i<height; i++)
+        {
+            mem2agpcpy(dst, src, bytesPerLine);
+            src = (const uint8_t*)src + srcStride;
+            dst = (uint8_t*)dst + dstStride;
+        }
+    }
+
+    return retval;
+}
+
+#define memcpy_pic(d, s, b, h, ds, ss) memcpy_pic2(d, s, b, h, ds, ss, 0)
+#define my_memcpy_pic(d, s, b, h, ds, ss) memcpy_pic2(d, s, b, h, ds, ss, 1)
+
+/**
+ * \param limit2width always skip data between end of line and start of next
+ *                    instead of copying the full block when strides are the same
+ */
+static inline void * memcpy_pic2(void * dst, const void * src,
+                                 int bytesPerLine, int height,
+                                 int dstStride, int srcStride, int limit2width)
+{
+    int i;
+    void *retval=dst;
+
+    if(!limit2width && dstStride == srcStride)
+    {
+        if (srcStride < 0) {
+                src = (const uint8_t*)src + (height-1)*srcStride;
+                dst = (uint8_t*)dst + (height-1)*dstStride;
+                srcStride = -srcStride;
+        }
+
+        fast_memcpy(dst, src, srcStride*height);
+    }
+    else
+    {
+        for(i=0; i<height; i++)
+        {
+            fast_memcpy(dst, src, bytesPerLine);
+            src = (const uint8_t*)src + srcStride;
+            dst = (uint8_t*)dst + dstStride;
+        }
+    }
+
+    return retval;
+}
+
+#endif /* MPLAYER_FASTMEMCPY_H */