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Double motion vector range for HPEL interlaced picture in proper place

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The existing code is not in the right place and it should cover both
interlaced frame and field pictures.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Mashiat Sarker Shakkhar 2012-10-09 19:38:19 +00:00 • committed by Derek Buitenhuis
parent eb657ecefd
commit 35a35d49d2
2 changed files with 5 additions and 4 deletions
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5
libavcodec/vc1.c
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@ -1223,6 +1223,11 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
break;
}
if (v->fcm != PROGRESSIVE && !v->s.quarter_sample) {
v->range_x <<= 1;
v->range_y <<= 1;
}
/* AC Syntax */
v->c_ac_table_index = decode012(gb);
if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) {

4
libavcodec/vc1dec.c
View file

@ -1573,10 +1573,6 @@ static inline void vc1_pred_mv(VC1Context *v, int n, int dmv_x, int dmv_y,
}
}
if (v->field_mode && !s->quarter_sample) {
r_x <<= 1;
r_y <<= 1;
}
if (v->field_mode && v->numref)
r_y >>= 1;
if (v->field_mode && v->cur_field_type && v->ref_field_type[dir] == 0)