avcodec/h263: Move setting mbskip_table to decoder/encoders

This removes a branch from H.263 based decoders.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/h263.c

@@ -56,9 +56,6 @@ void ff_h263_update_motion_val(MpegEncContext * s){
     const int wrap = s->b8_stride;
     const int xy = s->block_index[0];
 
-    if (s->current_picture.mbskip_table)
-        s->current_picture.mbskip_table[mb_xy] = s->mb_skipped;
-
     if(s->mv_type != MV_TYPE_8X8){
         int motion_x, motion_y;
         if (s->mb_intra) {

libavcodec/ituh263enc.c

@@ -692,6 +692,9 @@ void ff_h263_update_mb(MpegEncContext *s)
 {
     const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
 
+    if (s->current_picture.mbskip_table)
+        s->current_picture.mbskip_table[mb_xy] = s->mb_skipped;
+
     if (s->mv_type == MV_TYPE_8X8)
         s->current_picture.mb_type[mb_xy] = MB_TYPE_L0 | MB_TYPE_8x8;
     else if(s->mb_intra)

libavcodec/mpeg4videodec.c

@@ -1594,9 +1594,11 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, int16_t block[6][64])
                 && ctx->vol_sprite_usage == GMC_SPRITE) {
                 s->mcsel      = 1;
                 s->mb_skipped = 0;
+                s->current_picture.mbskip_table[xy] = 0;
             } else {
                 s->mcsel      = 0;
                 s->mb_skipped = 1;
+                s->current_picture.mbskip_table[xy] = 1;
             }
         } else if (s->mb_intra) {
             s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
@@ -1678,6 +1680,7 @@ static int mpeg4_decode_mb(MpegEncContext *s, int16_t block[6][64])
                     s->mcsel       = 1;
                     s->mv[0][0][0] = get_amv(ctx, 0);
                     s->mv[0][0][1] = get_amv(ctx, 1);
+                    s->current_picture.mbskip_table[xy] = 0;
                     s->mb_skipped  = 0;
                 } else {
                     s->current_picture.mb_type[xy] = MB_TYPE_SKIP  |
@@ -1686,6 +1689,7 @@ static int mpeg4_decode_mb(MpegEncContext *s, int16_t block[6][64])
                     s->mcsel       = 0;
                     s->mv[0][0][0] = 0;
                     s->mv[0][0][1] = 0;
+                    s->current_picture.mbskip_table[xy] = 1;
                     s->mb_skipped  = 1;
                 }
                 goto end;