1 files changed, 77 insertions, 0 deletions
diff --git a/video/memcpy_pic.h b/video/memcpy_pic.h
new file mode 100644
index 0000000000..c2cd79314f
--- /dev/null
+++ b/video/memcpy_pic.h
@@ -0,0 +1,77 @@
+/*
+ * 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 "config.h"
+#include <inttypes.h>
+#include <string.h>
+#include <stddef.h>
+
+#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 = (uint8_t*)src + (height-1)*srcStride;
+	    		dst = (uint8_t*)dst + (height-1)*dstStride;
+	    		srcStride = -srcStride;
+		}
+
+		memcpy(dst, src, srcStride*height);
+	}
+	else
+	{
+		for(i=0; i<height; i++)
+		{
+			memcpy(dst, src, bytesPerLine);
+			src = (uint8_t*)src + srcStride;
+			dst = (uint8_t*)dst + dstStride;
+		}
+	}
+
+	return retval;
+}
+
+static inline void memset_pic(void *dst, int fill, int bytesPerLine, int height,
+                              int stride)
+{
+    if (bytesPerLine == stride) {
+        memset(dst, fill, stride * height);
+    } else {
+        for (int i = 0; i < height; i++) {
+            memset(dst, fill, bytesPerLine);
+            dst = (uint8_t *)dst + stride;
+        }
+    }
+}
+
+#endif /* MPLAYER_FASTMEMCPY_H */