X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fdsputil.c;h=6c734e570e23d2c2a65474986517632691a202d5;hb=d29ee34ce31668703913f9e9c5dc3b8df969addd;hp=cfe3666b5c25fa1d5687a95974af35abd06a2d43;hpb=288a44fb7a4fb21f9c1e92fc009ad06797ef78d3;p=ffmpeg

diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index cfe3666b5c2..6c734e570e2 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -29,7 +29,6 @@
 
 #include "avcodec.h"
 #include "dsputil.h"
-#include "mpegvideo.h"
 #include "simple_idct.h"
 #include "faandct.h"
 #include "faanidct.h"
@@ -152,6 +151,8 @@ static const uint8_t simple_mmx_permutation[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 ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
     int i;
     int end;
@@ -4477,6 +4478,10 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
         for(i=0; i<64; i++)
             c->idct_permutation[i]= (i&0x24) | ((i&3)<<3) | ((i>>3)&3);
         break;
+    case FF_SSE2_IDCT_PERM:
+        for(i=0; i<64; i++)
+            c->idct_permutation[i]= (i&0x38) | idct_sse2_row_perm[i&7];
+        break;
     default:
         av_log(avctx, AV_LOG_ERROR, "Internal error, IDCT permutation not set\n");
     }