@@ -72,7 +72,7 @@ struct algo {

   enum { FDCT, IDCT } is_idct;

   void (* func) (DCTELEM *block);

   void (* ref)  (DCTELEM *block);

-  enum formattag { NO_PERM,MMX_PERM, MMX_SIMPLE_PERM, SCALE_PERM } format;

+  enum formattag { NO_PERM,MMX_PERM, MMX_SIMPLE_PERM, SCALE_PERM, SSE2_PERM } format;

   int  mm_support;

 };

@@ -105,6 +105,7 @@ struct algo algos[] = {

   {"SIMPLE-MMX",      1, ff_simple_idct_mmx, idct, MMX_SIMPLE_PERM, MM_MMX},

   {"XVID-MMX",        1, ff_idct_xvid_mmx,   idct, NO_PERM, MM_MMX},

   {"XVID-MMX2",       1, ff_idct_xvid_mmx2,  idct, NO_PERM, MM_MMXEXT},

+  {"XVID-SSE2",       1, ff_idct_xvid_sse2,  idct, SSE2_PERM, MM_SSE2},

 #endif

 #ifdef HAVE_ALTIVEC

@@ -157,6 +158,8 @@ static short idct_simple_mmx_perm[64]={

         0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,

 };

+static const uint8_t idct_sse2_row_perm[8] = {0, 4, 1, 5, 2, 6, 3, 7};

+

 void idct_mmx_init(void)

 {

     int i;

@@ -232,6 +235,9 @@ void dct_error(const char *name, int is_idct,

             for(i=0;i<64;i++)

                 block[idct_simple_mmx_perm[i]] = block1[i];

+        } else if (form == SSE2_PERM) {

+            for(i=0; i<64; i++)

+                block[(i&0x38) | idct_sse2_row_perm[i&7]] = block1[i];

         } else {

             for(i=0; i<64; i++)

                 block[i]= block1[i];