X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpegvideo.c;h=49bc70c28be12c423c96cfa329964f618da3e70a;hb=bd71c300f9ba7f9875bb5df17ce522e9128bae10;hp=4ec339ed248fb36370d7b5d17253447be3d58223;hpb=a871ef0cc936612bdb0e643196be72efcf0c8986;p=ffmpeg

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 4ec339ed248..49bc70c28be 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -40,6 +40,7 @@
 #include "mpegvideo.h"
 #include "mjpegenc.h"
 #include "msmpeg4.h"
+#include "qpeldsp.h"
 #include "xvmc_internal.h"
 #include "thread.h"
 #include <limits.h>
@@ -105,6 +106,28 @@ const uint8_t *const ff_mpeg2_dc_scale_table[4] = {
     mpeg2_dc_scale_table3,
 };
 
+const uint8_t ff_alternate_horizontal_scan[64] = {
+     0,  1,  2,  3,  8,  9, 16, 17,
+    10, 11,  4,  5,  6,  7, 15, 14,
+    13, 12, 19, 18, 24, 25, 32, 33,
+    26, 27, 20, 21, 22, 23, 28, 29,
+    30, 31, 34, 35, 40, 41, 48, 49,
+    42, 43, 36, 37, 38, 39, 44, 45,
+    46, 47, 50, 51, 56, 57, 58, 59,
+    52, 53, 54, 55, 60, 61, 62, 63,
+};
+
+const uint8_t ff_alternate_vertical_scan[64] = {
+     0,  8, 16, 24,  1,  9,  2, 10,
+    17, 25, 32, 40, 48, 56, 57, 49,
+    41, 33, 26, 18,  3, 11,  4, 12,
+    19, 27, 34, 42, 50, 58, 35, 43,
+    51, 59, 20, 28,  5, 13,  6, 14,
+    21, 29, 36, 44, 52, 60, 37, 45,
+    53, 61, 22, 30,  7, 15, 23, 31,
+    38, 46, 54, 62, 39, 47, 55, 63,
+};
+
 static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s,
                                    int16_t *block, int n, int qscale)
 {