diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index fe0e1d028d..03d75541c7 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -29,6 +29,13 @@ ASM_OBJS += armv4l/jrevdct_arm.o
 OBJS += armv4l/dsputil_arm.o
 endif
 
+# sun mediaLib specific stuff
+# currently only works when libavcodec is used in mplayer
+ifeq ($(HAVE_MLIB),yes)
+OBJS += mlib/dsputil_mlib.o
+CFLAGS += $(MLIB_INC)
+endif
+
 SRCS = $(OBJS:.o=.c) $(ASM_OBJS:.o=.s)
 
 LIB= libavcodec.a
@@ -58,8 +65,8 @@ depend:
 clean: 
 	rm -f *.o *~ *.a i386/*.o i386/*~ \
 	   armv4l/*.o armv4l/*~ \
+	   mlib/*.o mlib/*~ \
            libac3/*.o libac3/*~ \
-           mpglib/*.o mpglib/*~ \
            apiexample $(TESTS)
 
 distclean: clean
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index abbca19daa..b0cea56bda 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -413,6 +413,7 @@ void block_permute(INT16 *block)
 void dsputil_init(void)
 {
     int i, j;
+    int use_permuted_idct;
 
     for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;
     for(i=0;i<MAX_NEG_CROP;i++) {
@@ -435,17 +436,7 @@ void dsputil_init(void)
     pix_abs16x16_xy2 = pix_abs16x16_xy2_c;
     av_fdct = jpeg_fdct_ifast;
 
-    /* permute for IDCT */
-    for(i=0;i<64;i++) {
-        j = zigzag_direct[i];
-        zigzag_direct[i] = block_permute_op(j);
-        j = ff_alternate_horizontal_scan[i];
-        ff_alternate_horizontal_scan[i] = block_permute_op(j);
-        j = ff_alternate_vertical_scan[i];
-        ff_alternate_vertical_scan[i] = block_permute_op(j);
-    }
-    block_permute(default_intra_matrix);
-    block_permute(default_non_intra_matrix);
+    use_permuted_idct = 1;
 
 #ifdef HAVE_MMX
     dsputil_init_mmx();
@@ -453,4 +444,22 @@ void dsputil_init(void)
 #ifdef ARCH_ARMV4L
     dsputil_init_armv4l();
 #endif
+#ifdef HAVE_MLIB
+    dsputil_init_mlib();
+    use_permuted_idct = 0;
+#endif
+
+    if (use_permuted_idct) {
+        /* permute for IDCT */
+        for(i=0;i<64;i++) {
+            j = zigzag_direct[i];
+            zigzag_direct[i] = block_permute_op(j);
+            j = ff_alternate_horizontal_scan[i];
+            ff_alternate_horizontal_scan[i] = block_permute_op(j);
+            j = ff_alternate_vertical_scan[i];
+            ff_alternate_vertical_scan[i] = block_permute_op(j);
+        }
+        block_permute(default_intra_matrix);
+        block_permute(default_non_intra_matrix);
+    }
 }
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index 80a934ccdb..dd2cc945ce 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -111,6 +111,15 @@ void dsputil_init_mmx(void);
 
 void dsputil_init_armv4l(void);   
 
+#elif defined(HAVE_MLIB)
+ 
+#define emms_c()
+
+/* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
+#define __align8 __attribute__ ((aligned (8)))
+
+void dsputil_init_mlib(void);   
+
 #else
 
 #define emms_c()
diff --git a/libavcodec/mlib/dsputil_mlib.c b/libavcodec/mlib/dsputil_mlib.c
new file mode 100644
index 0000000000..c008b221d9
--- /dev/null
+++ b/libavcodec/mlib/dsputil_mlib.c
@@ -0,0 +1,144 @@
+/*
+ * Sun mediaLib optimized DSP utils
+ * Copyright (c) 2001 Juergen Keil.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "../dsputil.h"
+
+#include <mlib_types.h>
+#include <mlib_status.h>
+#include <mlib_sys.h>
+#include <mlib_video.h>
+
+
+static void put_pixels_mlib (uint8_t * dest, const uint8_t * ref,
+			     int stride, int height)
+{
+    assert(height == 16 || height == 8);
+    if (height == 16)
+	mlib_VideoCopyRef_U8_U8_8x16(dest, (uint8_t *)ref, stride);
+    else
+	mlib_VideoCopyRef_U8_U8_8x8 (dest, (uint8_t *)ref, stride);
+}
+
+static void put_pixels_x2_mlib (uint8_t * dest, const uint8_t * ref,
+				int stride, int height)
+{
+    assert(height == 16 || height == 8);
+    if (height == 16)
+	mlib_VideoInterpX_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
+    else
+	mlib_VideoInterpX_U8_U8_8x8 (dest, (uint8_t *)ref, stride, stride);
+}
+
+static void put_pixels_y2_mlib (uint8_t * dest, const uint8_t * ref,
+				int stride, int height)
+{
+    assert(height == 16 || height == 8);
+    if (height == 16)
+	mlib_VideoInterpY_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
+    else
+	mlib_VideoInterpY_U8_U8_8x8 (dest, (uint8_t *)ref, stride, stride);
+}
+
+static void put_pixels_xy2_mlib(uint8_t * dest, const uint8_t * ref,
+				int stride, int height)
+{
+    assert(height == 16 || height == 8);
+    if (height == 16) 
+	mlib_VideoInterpXY_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
+    else
+	mlib_VideoInterpXY_U8_U8_8x8 (dest, (uint8_t *)ref, stride, stride);
+}
+
+static void avg_pixels_mlib (uint8_t * dest, const uint8_t * ref,
+			     int stride, int height)
+{
+    assert(height == 16 || height == 8);
+    if (height == 16)
+	mlib_VideoCopyRefAve_U8_U8_8x16(dest, (uint8_t *)ref, stride);
+    else
+	mlib_VideoCopyRefAve_U8_U8_8x8 (dest, (uint8_t *)ref, stride);
+}
+
+static void avg_pixels_x2_mlib (uint8_t * dest, const uint8_t * ref,
+				int stride, int height)
+{
+    assert(height == 16 || height == 8);
+    if (height == 16)
+	mlib_VideoInterpAveX_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
+    else
+	mlib_VideoInterpAveX_U8_U8_8x8 (dest, (uint8_t *)ref, stride, stride);
+}
+
+static void avg_pixels_y2_mlib (uint8_t * dest, const uint8_t * ref,
+				int stride, int height)
+{
+    assert(height == 16 || height == 8);
+    if (height == 16)
+	mlib_VideoInterpAveY_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
+    else
+	mlib_VideoInterpAveY_U8_U8_8x8 (dest, (uint8_t *)ref, stride, stride);
+}
+
+static void avg_pixels_xy2_mlib (uint8_t * dest, const uint8_t * ref,
+				 int stride, int height)
+{
+    assert(height == 16 || height == 8);
+    if (height == 16)
+	mlib_VideoInterpAveXY_U8_U8_8x16(dest, (uint8_t *)ref, stride, stride);
+    else
+	mlib_VideoInterpAveXY_U8_U8_8x8 (dest, (uint8_t *)ref, stride, stride);
+}
+
+
+static void add_pixels_clamped_mlib(const DCTELEM *block, UINT8 *pixels, int line_size)
+{
+    mlib_VideoAddBlock_U8_S16(pixels, (mlib_s16 *)block, line_size);
+}
+
+
+void ff_idct_mlib(DCTELEM *data)
+{
+    mlib_VideoIDCT8x8_S16_S16 (data, data);
+}
+
+
+void ff_fdct_mlib(DCTELEM *data)
+{
+    mlib_VideoDCT8x8_S16_S16 (data, data);
+}
+
+void dsputil_init_mlib(void)
+{
+    av_fdct = ff_fdct_mlib;
+    ff_idct = ff_idct_mlib;
+
+    put_pixels_tab[0] = put_pixels_mlib;
+    put_pixels_tab[1] = put_pixels_x2_mlib;
+    put_pixels_tab[2] = put_pixels_y2_mlib;
+    put_pixels_tab[3] = put_pixels_xy2_mlib;
+
+    avg_pixels_tab[0] = avg_pixels_mlib;
+    avg_pixels_tab[1] = avg_pixels_x2_mlib;
+    avg_pixels_tab[2] = avg_pixels_y2_mlib;
+    avg_pixels_tab[3] = avg_pixels_xy2_mlib;
+    
+    put_no_rnd_pixels_tab[0] = put_pixels_mlib;
+    
+    add_pixels_clamped = add_pixels_clamped_mlib;
+}