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avcodec/vc1dec: vc1_pred_b_mv() is not used for fields, simplify code

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-04 20:11:46 +01:00
parent c93e691369
commit 41f9742053
1 changed files with 2 additions and 2 deletions
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4
libavcodec/vc1dec.c
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@ -2113,6 +2113,8 @@ static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
int r_x, r_y;
const uint8_t *is_intra = v->mb_type[0];
av_assert0(!v->field_mode);
r_x = v->range_x;
r_y = v->range_y;
/* scale MV difference to be quad-pel */
@ -2131,7 +2133,6 @@ static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
s->current_picture.motion_val[1][xy + v->blocks_off][1] = 0;
return;
}
if (!v->field_mode) {
if (direct && s->next_picture_ptr->field_picture)
av_log(s->avctx, AV_LOG_WARNING, "Mixed frame/field direct mode not supported\n");
@ -2145,7 +2146,6 @@ static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
s->mv[0][0][1] = av_clip(s->mv[0][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6));
s->mv[1][0][0] = av_clip(s->mv[1][0][0], -60 - (s->mb_x << 6), (s->mb_width << 6) - 4 - (s->mb_x << 6));
s->mv[1][0][1] = av_clip(s->mv[1][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6));
}
if (direct) {
s->current_picture.motion_val[0][xy + v->blocks_off][0] = s->mv[0][0][0];
s->current_picture.motion_val[0][xy + v->blocks_off][1] = s->mv[0][0][1];